Piston Repair Kit

This Piston Repair Kit (PRK-01) is designed to repair damaged piston with deep scratches or pits that cause excessive weeping of oil through the seals. The two part metal filled epoxy is ideal for filling in deep scratches and pits that are too deep to be removal with just light sanding. Using this kit, once properly applied, can prolong a damaged piston and seal life.
This kit is not designed to repair pistons that are undersized due to excess of sanding.
The Kit includes the following:
Piston Repair Epoxy Kit Hardener
Resin
Wooden Paddles Epoxy MSDS
Instruction Sheet Degreaser
80 Grit Emery Cloth 400 Grit Emery Cloth Putty Knife
Mixing Cup

Magnetic Elevator Limit Switches

The Permanent Magnet Switch (MV) is designed primarily for applications requiring trouble free service. This switch provides a cost effective and simple solution for environments where mechanical contact between the actuating vane and switch is not desired.
Switches are available in two configurations, SPDT with one normally open & one normally closed contacts and DPDT with two normally open & two normally closed contacts.

Download Files:

Hoistway Switches Cutsheet

Inductor Limit Switch

The Permanent Magnet Inductor Switch (LDS-3004A) is intended for use on hydraulic and electric elevators with speeds up to 400 feet per minute and one floor run control. The LDS-3004A is made to interface with either relay logic, micro-processor or programmable logic controllers. The horseshoe shaped inductor switch provides noiseless sensing of slowdown and landing positions of the elevator.
The LDS-3004A Inductor Switch features solid metal construction and uses both a normally open and a normally closed contact reed switch as standard.

Download Files:

Hoistway Switches Cutsheet

Isolation Coupling (ISO)

The Isolation Couplings (ISO) are available in three sizes both grooved and threaded. These couplings are designed for electrical isolation with a Dielectric Strength of 42 kV and will also help in the reduction of vibration and noise from being transmitted to the cab. The maximum operating temperature for these Isolation Couplings is 225º F (107º C).

All Isolation Couplings are designed to meet or exceed ASME A17.1/CSA B44.

Download Files:

Oil Line Components Information

Shut Off Valve

The Shut Off Valve (SOV) is used to isolate one section of the system from another. All Shut Off Valves are constructed of ductile iron bodies and use a stainless steel ball. A locking device is standard on all sizes.

(includes Ball Valve & Handles}

Download Files:

Oil Line Components Information

Hydraulic Elevator Muffler

The Muffler (MU) provides superior noise suppression for most standard
power unit installations. The unit working pressure is 1200 psi and it is 11-3/4” long.
Unit diameter for 2” size is 6-5/8” and 8-5/8” for other sizes.

Download Files:

Muffler & Dampener Info

EECO Hydraulic Elevator Dampener

The EECO Hydraulic Dampener (EHDN) is extremely effective in suppressing the sound and pulsation present in hydraulic elevator systems. The EHDN has a minimum burst pressure of 6000 psi with an ASME A17.1/CSA B44 allowable working pressure of 1200 psi. Unit diameter is 8-5/8” and the length for 2", 2.5", and 3" is 11.75". The 4" outlet unit has a diameter of 10.75" and a length of 13.75".

Download Files:

Muffler & Dampener Info

Elevator Jack Units - Elevator Jacks

Hydraulic Elevator Jacks

General Information

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EECO Telescopic Jack

Elevator Equipment Corporation (EECO) has been manufacturing hydraulic elevator equipment since 1946, and is one of the leading suppliers in the industry for elevator jack units, replacement cylinders, and pistons. EECO can provide jack units for any application, from small capacity residential to the largest freight elevators. EECO has over 30 standard size jack units with many piston wall thicknesses available to meet your predetermined specifications or our engineering and sales staff can work with you to determine which EECO Jack Unit is right for your application.

Download our Product Brochure.

All EECO jack units are manufactured with precision equipment, experienced production personnel, and a knowledgeable engineering staff to produce a quality product for our customers. The latest CNC equipment and technology is utilized to assure strict adherence to essential dimensions and tolerances. All EECO products are designed and manufactured in accordance with the Safety Code for Elevators and Escalators, ASME A17.1/CSA B44. With years of testing and field study, EECO has designed jack units that are unparalleled in the industry for performance and reliability. The primary objective of Elevator Equipment Corporation is to provide a quality product that consistently meets or exceeds the contractual demands and expectations of our customers.

Quality Assurance

Quality Control is an essential and integral part of our manufacturing process. Every phase of production is monitored and checked to assure that each jack unit is built and assembled in accordance with engineering and customer specifications to meet the quality standards required by Elevator Equipment Corporation. From the initial process of material as it comes in the door, to the final process of placing the product on the truck, you can be assured that our high quality standards are met and that the finished product meets your requirements.

Jack, Piston, or Cylinder Replacement

EECO specializes in Jack Unit Replacement. We can provide an exact replacement, either piston, cylinder or complete jack units, regardless of original make or manufacturer. Before 1972 many companies installed hydraulic elevators with flat bottom in-ground jack units, many without any corrosion protection at all. Failures on these older designs may cause rupturing of the cylinder and uncontrolled decent of the elevator. Today's ASME A17.1/CSA B44, Section 8.6.5.8 requires single bottom jack units (cylinders) to be replaced with double bottom cylinders.

Delivery Times

It is our goal to deliver a jack unit when needed. If rush delivery is required, EECO can manufacture and ship certain jack units in as little as 48 hours. Contact EECO for current lead times.

Green Compatible

All EECO Products are “Green Compatible” as a standard when used with biodegradable (vegetable) oils that do not contain a high acidic property.

EECO Products are Green Compatible

Material & Welding

All steel parts are fabricated and machined from high strength carbon steel. All welding is in accordance with the requirements of Part 8 of ASME A17.1/CSA B44. EECO welding is AWS and our Richmond facility is CWB certified.
AWS Logo CWB Logo

For more information, Contact Sales or Submit
an Elevator Jack Unit Request for Quote.

Hydraulic Elevator Jack Standard Features

Hydraulic Elevator Jacks

Standard Features

Head, Bearing & Packing Gland

The jack heads are designed for ease of disassembly when repacking. An oil collection groove is provided and arrangement is included to connect an oil drain line to catch and reclaim oil that collects in the groove (it is necessary for the piston to carry a film of oil through the packing in order to provide smooth and quiet operation). The packing gland arrangement consists of a "pressure balanced" "U" type seal, a bearing and a wiper ring. Seals are designed for 150°F (65°C) maximum operating temperature.

We recommend a brand of ISO VG 32 turbine oil with a viscosity of 150 ssu @ 100° F (38° C). A biodegradable (vegetable)oil is acceptable if it meets the same specifications.

Piston Details

The upper end of the piston is fitted with a drilled and tapped plate, to receive a standard bolt for attachment to the platen plate (special mounting arrangements can be provided). The bottom of the piston is closed with a steel plate and is fitted with a stop ring to prevent the piston from leaving the cylinder. The piston is ground and polished to a surface finish of 15 to 20 µin (.38 to .50 μm). Allowable variation in diameter after polishing is ± .015" (.381 mm).

Multi-section pistons are joined with an internally threaded coupling, using Acme type thread for ease of assembly with O-rings for a proper seal. All sections are assembled, sanded, and polished across the joints to ensure a matching surface.

Cylinder Details

Jack units manufactured for in-ground, or partial in-ground installations are furnished with a safety bulkhead and seamless steel pipe cap at the bottom of the cylinder.

Holeless units include a flat steel mounting plate, all in accordance with ASME A17.1/CSA B44. Bleeder plugs are included to purge air from the jack unit. Standard pit supports are welded to the cylinder for mounting to pit channels when required (various designs can be provided to suit any requirement).

A threaded or grooved oil line connection is provided. All cylinders are thoroughly cleaned, inspected, and tested for oil leaks. Then they are painted with a heavy coat of an anti-corrosive material. All in-ground jack units are equipped with inspection ports on the base plate.

For more information, Contact Sales or Submit
an Elevator Jack Unit Request for Quote.

Single Stage Jack Units

Hydraulic Elevator Jacks

Single Stage Jacks

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Pressure Ratings

PJR-275 - PJR-4NET series: 1000 psi (68.9 bar) maximum working pressure PJR-4 - PJR-8SPL series: 680 psi (46.9 bar) maximum working pressure LJ series: 500 psi (34.5 bar) maximum working pressure

Description of a Single Stage

Single stage jack units (PJR & LJ series) consist of a single piston in a cylinder with head bearing and packing gland at the upper end where the piston collapses into the cylinder. Single stage jacks are designed for "guided" applications only, where the Jack unit is rigidly supported and guided through the use of guide rails and guide shoes and are designed for in-ground and holeless cantilever or dual holeless system applications.

Single stage jack units can be provided in one section up to 70 ft (21 m). Multi-section jack units can be provided in as many sections as required for the application.
Download our Single Stage Jack Unit Product Sheet PDF

Specialty Jack Units

When an application involves lifting the load by means of a hydraulic jack that is internally guided without the need of external guide rails, an EECO double bearing jack is the solution. These jacks are designed so the double bearing span assures a safe and smooth operation of the elevator system. The seals in these type of jacks are capable of withstanding rotational movement of the elevator cab while moving with no adverse effect on the life of the seals.

EECO is the leading manufacturer of hydraulic elevator jacks of standard holeless and in-ground single and multi-stage jacks. In addition, designs and manufactures specialty jacks such as double bearing, double acting and double cylinder jacks.

For more information, Contact Sales or Submit
an Elevator Jack Unit Request for Quote.

Telescopic Jack Units

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Description of a Telescopic Jack

Two stage telescopic jack units (TJR series) consist of upper and lower pistons, a cylinder, and a head bearing and packing gland for each piston. The lower piston is fitted with an additional packing gland at the lower end which rides against the internally honed cylinder.

Three stage telescopic jack units (TJ3 series) consist of upper, intermediate, and lower pistons, a cylinder, and a head bearing and packing gland for each piston. The intermediate and lower pistons are fitted with additional packing glands at their lower ends which ride against the internally honed cylinder and lower piston.

All telescopic jacks have a synchronous design where all pistons raise and lower at the same speed and at the same time.

Telescopic jacks are designed for “guided” applications only, where the Jack unit is rigidly supported and guided through the use of guide rails and guide shoes. In some applications a piston follower guide may be required on all moving heads to meet code requirements. (Contact EECO).

Two stage telescopic jacks are designed for in-ground and holeless cantilever or dual system applications. Three stage telescopic jacks are designed for only holeless, cantilever, or dual system applications.

Two stage telescopic jacks are available from 1.6” to 4.5” (41 to 114 mm) upper piston diameter, in a wide range of wall thicknesses. Three stage telescopic jacks are available from 1.6” to 2.5” (41 to 64 mm) upper piston diameter.

Telescopic jacks are available in one section only (no multi-section)

Recommended Overtravels

Pressure Ratings

TJR & TJ3 series: 1200 psi (82.7 bar) maximum working pressure.

For more information, Contact Sales or Submit
an Elevator Jack Unit Request for Quote.

Cylinder Joint Couplings

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EECO has four different means of Cylinder Joints available to fit any job site requirements.

Threaded No Weld Joint

The threaded no weld cylinder joint is available up to 10” cylinder diameters. This joint system is designed with a double O-ring that will protect the cylinder joint from internal and external leakage. Threaded no weld joint can be welded, filling the 1/2 inch gap between couplings, if the specifications require or at the discretion of the Installation Company.

Threaded Joint

The threaded cylinder joint is available 12” through 16” cylinder diameters. The female threaded coupling is welded to the upper side of the next joint. The cylinder opposite section is threaded to screw into coupling where it is then welded in the field.

Slip-Fit Joint

The slip-fit cylinder joint is available up to 16” cylinder diameters. A slip coupling is welded to the upper side of the next joint. The cylinder opposite section is then slide into the coupling where it is welded in the field. This joint type does not contain any threads.

Butt-Weld Joint

The butt-weld cylinder joint is available on all cylinder diameters. Each end of the cylinder section is beveled for welding in the field. This joint type is supplied with bolt lugs to line up and bolt the sections together during assembly and welding. Once welding is complete simply “knock off” or remove the bolt lugs from each joint area.

For more information, Contact Sales or Submit
an Elevator Jack Unit Request for Quote.

Cylinder Protection

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Tape Wrap

Tape wrap or polyvinyl chloride tape is wrapped to a minimum of 20 mil in thickness or more if required. Tape wrap is an good means of protection for the cylinder of the jack unit from moisture than just the standard paint. It is black in color.

Epoxy Paint

Epoxy paint is a better means of protection for the cylinder of the jack unit from moisture than the standard paint. It is applied in three separate coats to ensure proper coverage. For added protection combine epoxy paint and tape wrap.

Sealed PVC

Sealed PVC is attached by a grooved coupling to a welded metal ring. As required by ASME A17.1/CSA B44, inspection ports are provided as a standard feature. Sealed PVC is available in schedule 40 or schedule 80 wall thicknesses and is furnished in as many sections as required, with a pipe end cap for sealing the lower end. Other connection types available include our flush threaded PVC pipe, which is available from sizes 8 through 14.

For more information, Contact Sales or Submit
an Elevator Jack Unit Request for Quote.

Available Options

Elevator Jack Inspection Systems

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Electronic Leak Monitoring System

The Electronic Leak Monitoring System (ELMS) is designed as a discriminating device. That is, the monitor array is designed to report the presence of a liquid trapped between the jack cylinder and the sealed PVC liner and to determine whether the liquid is water or oil. A secondary test for verification of leakage can be made by applying a suction pump to the test line at the monitor control block.
Inspection Systems Data Sheet

NOTE: This system can only be utilized on new jack installations, or jack unit replacements, with sealed PVC liners.

Evacuation System

The Evacuation System (EVS) is to be used to evacuate / inspect fluid leakage into the cavity between the cylinder and PVC liner of in-ground hydraulic jack system. The minimum required space between the largest outside diameter of the cylinder assembly and inside diameter of the PVC should be 1/2”.

For more information, Contact Sales or Submit
an Elevator Jack Unit Request for Quote.

Specifications

General Notes

Tank Size required is based on space required for pump & motor assembly and amount of oil required for operation.
All dimensions may vary slightly due to assembly tolerances.
All units are designed to be mounted on 3/4” (2 cm) thick isolation pads. Overall height when set is, therefore, 3/4” higher.
Actual “Usable Oil” has an allowance for 10 Gal. (38 Liters) of reserve oil.
"Usable Oil" and "Oil Required to Fill Tank" are based on standard tank heights. If greater oil volume is required, the tank height can be increased accordingly.
Power Units are furnished with EECO control valves as a standard. Other manufacturers' control valves can be substituted, if required.

Performance Characteristics

Construction

All units are designed and constructed in accordance with applicable requirements of ASME A17.1 / CSA B44. A grooved outlet is standard. A male threaded outlet is available.

Electrical

All units are designed and constructed in accordance with applicable requirements of ASME A17.1 / CSA B44. A grooved outlet is standard. A male threaded outlet is available.

Horsepower

2 ½ hp (1.9 kW) up to 50 hp (37.3 kW) for single submersible pump / motor combinations. 5 hp (3.7 kW) thru 100 hp (74.6 kW) for single belt drive pump / motor combinations.

Flow Rate

Submersible - 3 gpm (15 lpm) up to 255 gpm (852 lpm). Belt Drive - 15 gpm (57 lpm) thru 500 gpm (1893 lpm).

Heat Output

Btu/hr = 440 x Motor Horsepower - (Kw = 0.173 x Motor Kw)

Working Pressure

Varies depending on car speed and gross load.

Oil Recommendations

Recommended Operating Fluid: Use a good brand of ISO VG 32 turbine oil with a viscosity of 150 ssu @ 100o F (38o C). A minus pour point is recommended. Biodegradable (vegetable) oil is acceptable if it meets the same specifications.A biodegradable (vegetable)oil that does not contain a high acidic property is acceptable if it meets the same specifications.

All EECO Products are “Green Compatible” as a standard when used with biodegradable (vegetable) oils that do not contain a high acidic property.

For more information, Contact Sales or submit a Power Unit Quote Request Form.

Elevator Power Unit

Elevator Power Units

General Information

EECO provides a hydraulic elevator power unit for any application, from small capacity residential to the largest freight elevators. EECO can furnish a standard model power unit, in accordance with your specifications, or we can perform the necessary calculations, based on your data, to select and recommend an elevator power unit to meet your requirements.

Download our Product Brochure.

Elevator Power Unit - Hydraulic Power Unit EECO manufactures hydraulic elevator power units with precision equipment, skilled and experienced production personnel, and a knowledgeable engineering staff to comply with the exacting standards required to produce a quality product. The latest CNC equipment and technology is utilized to assure strict adherence to essential dimensions and tolerances. All EECO products are designed and manufactured in accordance with the Safety Code for Elevators and Escalators, ASME A17.1/CSA B44. With years of testing and field study, EECO has designed submersible and belt drive power units that are unequaled in the industry for performance and reliability. The primary objective of Elevator Equipment Corporation is to provide a quality product that consistently meets or exceeds the contractual demands and expectations of our customers.

Quality Assurance

Quality Control is an essential and integral part of our manufacturing process. Every phase of production is monitored to assure that each power unit is assembled in accordance with engineering and shop order specifications to meet the quality standards required by Elevator Equipment Corporation. From the initial process of material as it comes in the door, to the final process of placing the product on the truck, you can be assured that our high quality standards are met and that the finished product meets your requirements.

Special Environmental Conditions

EECO can provide units for installation in hazardous or humid environments using moisture resistant or explosion proof components. Explosion Proof Valves have a NEMA 7 rating. Contact EECO for more information.

All EECO Products are “Green Compatible” as a standard when used with biodegradable (vegetable) oils that do not contain a high acidic property.

Delivery Times

It is our goal to deliver an elevator power unit when needed. If a rush order is required, EECO will make every effort possible to meet your requirements. Contact EECO for current lead times.

General Specifications

The tank is constructed with a 12 ga. steel body, a removable 14 ga. steel cover. Units are designed to fit through a standard machine room door (see dimensional charts). A means for checking oil level is provided. Mounting feet are provided with holes to allow for securing to the floor with an Isolation Anchor Kit included for installation. A junction box is provided for connecting motor, low oil switch, thermostat switch, and control valve wires and can be installed internally or externally.

For more information, Contact Sales or submit a Power Unit Quote Request Form.

Submersible Power Units

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Description

EECO Submersible Power Units are designed with the directly connected pump and motor submerged in the oil reservoir. The control valve and muffler are mounted in the tank above the maximum oil level, providing access for valve adjustment.

The control valve and muffler can be located above the tank when greater oil capacity is required. Submersible pumps and motors are less costly than comparable air-cooled components and are designed to allow for quick and easy installation. The insertion of the pump and motor in the oil helps to dampen noise generated during operation.

Because the pump and motor are directly connected, and the flow of the pump is a result of the speed of the motor, Gallons per minute output flow is a consequence of available pump sizes.

Commercial Submersible Power Units

EECO UV5-BT Control Valve
EECO Silencer
Thermal Switch (Preset To 145°F)
Isolation Anchoring System
Oil Level Liquid Gauge
80 Starts Per Hour
Pressure Gauge Fitting with 1/8” Shut Off Valve

Valve Return Filter (VRF)
120 Starts Per Hour
Tank Mounted Starter Enclosure
Motor Starter

Wye-Delta
ATL
Solid State

Adjustable Load Weighing Switch
EECO Muffler
EECO Highly Effective Dampener
Oil Heater

Maxton Control Valves
Low Pressure Switch

N.O
N.O./N.C.

Viscosity Switch
Low Oil Switch
Hand Pump for Roped Hydraulic System
OSHPD Approved Anchoring System
Constant Down Speed
Pre-Wired (JBox and Terminals)
Charcoal Breather

Flat Bottom Commercial Submersible Power Units

EECO Commercial Flat Bottom Submersible Power Units are available in two depths, 18” and 24”. The 18” power units are the most compact and are particularly useful where Machine Room space is at a premium. They are lightweight for ease of handling, very quiet, and highly efficient. They are also our most economical units. EECO can also design and manufacture fully customized power units per the customer’s specifications.

Flat bottom commercial power unit chart and drawing

V-Bottom Commercial Submersible Power Units

EECO’s Commercial V-Bottom Submersible Power units are available in 60”, 72”, 84”, and 96” lengths and are 24” deep. Usable oil volumes range from 71 gal. to 180 gal. depending on size and configuration.

Residential, LULA, and MRL Power Units

EECO Residential, LULA, and MRL Power Unit image

EECO Residential, LULA, and MRL Power Unit chart

For more information, Contact Sales or submit a Power Unit Quote Request Form.

Belt Drive Power Units

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Description

EECO Belt Drive (Dry) Power Units are designed with the pump and motor mounted on a sub-base located below the oil reservoir tank and is enclosed with sound isolation panels to limit transmission of noise during operation. The exposed control valve which is located above the tank allows for easy access to adjustments. A removable belt guard is provided to allow access to the pump and motor compartment for maintenance or adjustment of the drive system. Because the pump and motor are connected by means of “v”-belts and sheaves, the pump RPM can be adjusted, by selecting the proper ratio of pump and motor sheaves, to obtain the required flow. This system meets the specifications requiring that the motor and/or pump be mounted outside of the oil reservoir and that the pump and motor compartment be enclosed with sound isolation panels.

General Specifications

The tank is constructed with a 12 ga. steel body, and removable 16 ga. cover, belt guard, and rear panel. Units are designed to fit through a standard machine room door. (see dimensional charts). A means for checking oil level is provided. The pump and motor are mounted on a structural steel sub-frame that is secured to the main frame by means of isolation mounts to limit transmission of mechanically generated noise and vibration. Provisions are included to allow for easy adjustment of belt tension and alignment of sheaves. The outlet in the tank is protected by a removable strainer to allow for easy cleaning. A removable oil drip pan is provided. Mounting feet are provided with holes to allow for securing to the floor and Isolation Anchor Kit is also included for installation to the pit floor.

For more information, Contact Sales or submit a Power Unit Quote Request Form.

Elevator Power Unit - Standard Features

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Pump

Submersible pumps are positive displacement, low slip, three screw design, and are directly connected to the motor.

Belted pumps are foot mounted, positive displacement, low slip, three-screw design.

Motor

Submersible motors are designed to operate submerged in oil and are rated at 80 starts/hr or 120 starts/hr. 3-Phase motors are 3400 rpm and include leads for Across-the-Line, Wye-Delta, or Solid State starting. Single-Phase motors are 1750 rpm or 3400 rpm for 10hp (7.4kW) and include the starting capacitors for Across-the-Line starting.

Motors include a built in thermal detector which should be wired to the controller to shut the power unit down in case of overheating.

Belted motors are specially designed for oil hydraulic elevator service with squirrel cage construction and are 1800 rpm.

Control Valve

All power units include an EECO control valve as standard. A Constant Down Speed control valve can be furnished as an option. All units are supplied with 1/8” brass shut off valve and male quick-disconnect fittings.

Valve Information

Other manufacturer’s control valves can be furnished upon requested.

Pressure Gauge Fittings

The Pressure Gauge Fitting System is used to provide a means of attaching a Pressure gauge to the control valve. It is provided with a 1/8 brass shut off valve and a male quick disconnect fitting. Individual fittings can be purchased to create your own arrangements.

More Info or Buy

Oil Level Liquid Gauge

The Oil Level Liquid Gauge is made of corrosion and rust resistant milled aluminum. The end pieces are permanently secured through a staking process. Fluid enters through the cross hole in the hollow lower bolt and is communicated back into the tank through the cross hole in the hollow top bolt.

Thermal Switch

The Thermal Switch Assembly (TSW-1) is required to be installed on all Hydraulic Power Units, per ASME A17.1/CSA B44 3.26.6.5, to prevent the liquid temperature from rising above its maximum operating temperature. These switches are factory preset at a temperature setting of 145º F (63º C).

Isolation Anchor Kit

The Isolation Anchor Kit allows the installer to secure the power unit to the machine room floor while isolating the unit from transferring vibration and noise through the building.

More Info or Buy

Hydraulic Muffler or Silencer

The Hydraulic Muffler (EHM) or Silencer (EHS) provide superior noise suppression and are included with each unit. They can be omitted if desired.

For more information, Contact Sales or submit a Power Unit Quote Request Form.

Elevator Power Unit Optional Features

Power Unit: Optional Features

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Hydraulic Dampener

The Hydraulic Dampener (EHD) is extremely effective in suppressing the sound and pulsation present in hydraulic elevator systems. The EHD has a minimum burst pressure of 6000 psi with an ASME A17.1/CSA B44 allowable working pressure of 1200 psi.

More Info or Buy

Oil Cooler

The Oil Cooler (OC) is extremely efficient in cooling the oil in the hydraulic elevator machine room in which it is installed. The heart of the unit consists of a triple screw pump which is highly reliable and quiet.

Tank Heater

The Tank Heater (TH) is simple to install and operate. Designed to keep your hydraulic oil at the optimum operating temperature in cooler environments to provide optimum operation of your hydraulic elevator system. Pre-Set 110° F Thermostat, 120 Volt AC, 250 Watts, 2.1 Amps, Oil-Tight Fittings included.

Shut Off Valve

The Shut Off Valve (SOV) is used to isolated one section of the system from another. All Shut Off Valves are constructed of ductile iron bodies and use a stainless steel ball. A locking device is standard on all sizes.

More Info or Buy

Pressure Gauge Fittings

More Info or Buy

Load Weighing Kit

The EECO’s Load Weighing Kit (LWK) is an addition to a new or existing Power Unit to prevent the elevator from being overloaded. The switch can be wired into the controller, if the provision is available, through either a normally open or normally closed contact.

More Info or Buy

Oil Level Sight Glass

The Oil Level Sight Glass for hydraulic elevator power units is used to visually inspect the oil level in the tank. It is available in 1” Diameter with NPT threads.

Isolation Anchor Kit

The Isolation Anchor Kit allows the installer to secure the power unit to the machine room floor while isolating the unit from transferring vibration and noise through the building.

Valve Return Filter Kit

The Valve Return Filter (VRF) is a passive oil filtration system attached to the tank return port of the valve. The VRF allows you to easily comply with the ASME A17.1/CSA B44 Rule 8.6.5.1.1 by capturing particles 5 microns in size and larger preventing the buildup of debris within the tank making it easier to clean.

More Info or Buy

Low Oil Switch

A Float Level Switch (LOS) is used to detect the oil level in a reservoir. The 1-3/16” diameter float helps to limit surges that might occur. The switch is UL recognized and CSA listed for a maximum of 3 amps @ 250 VAC with a SPST.

The standard configuration is normally open which can be changed to normally closed, by inverting the float on the units stem. Mounting is accomplished by 1/4” NPT and electrical termination are two 18 AWG, 39” long wires.

Viscosity Switch

A thermostat that is field adjustable by a fine adjustment trim screw which can activate a viscosity control system. The thrermostat is UL and CSA recognized for a maximum of 1500 watts at 230 volts AC with a single contact. The unit has a heat sensitive base plate which can be mounted directly to the outside of a hydraulic tank or by an aluminum “L” bracket with little loss of sensitivity.

This switch can be used to control pump/motor running in bypass mode to heat up the oil in lieu of a tank heater or as a control to turn on/off an oil cooler and/or a tank heater. The switch is normally closed and is open above the set temperature.

Carbon Desiccant Breather

Carbon Desiccant Filter image The EECO Carbon Desiccant Breather (ECDB) is provided as a contamination control breather technology to reduce particulate, moisture contamination, and hydraulic oil odors by moisture absorption. These are supplied as Replacement Desiccant/Filter Cartridges for ease of service and fully disposable.

The size available is a 5” dia. by 8” long with a slip fit 2” FNPT Connection. The medium is an activated carbon, synthetic graphite, and silica gel. Applications: MRL Hydraulic Elevators and standard machine rooms requiring substantial hydraulic oil odor control on hydraulic elevator systems.

For more information, Contact Sales or submit a Power Unit Quote Request Form.

Custom Power Units

Dual Power Units

A double pump / motor combination can be supplied in both submersible and belt drive (dry) arrangements. This dual arrangement may be desired in facilities where the elevator is critical to the operation, as the system can be arranged so that the elevator will still operate at reduced speed if one pump or motor fails.

A dual unit may also be needed when the amount of oil flow required to lift the car at the specified speed exceeds the output of a single pump / motor combination.

Dual arrangements can be provided with the pump / motor combinations in a single tank or in two separate tanks.

Two Piece Power Units

Special two-piece belt drive (dry) units can be furnished in any required size and arrangement. Access to the building, or into the machine room, may be such that the only way to install a unit is in pieces, with final assembly on the job. For any arrangement, EECO can design a solution and provide you with a “footprint” of the proposed unit to verify available space requirements.

For more information, Contact Sales or submit a Power Unit Quote Request Form.

Sling and Platform

Sling & Platform

Sling and Platform

EECO can design and manufacture a car sling or platform to any size for any requirement that you may have. From home elevators to commercial passenger elevators and including freight elevators, EECO can handle the job.

Rail Guides

Speed 0 - 149 fpm Slide Guides
Speed 150 – 200 fpm Roller Guides with Polyurethane Wheels

Platform has (2) 1/2” plywood subflooring with an undercoating of Fire Retardant Paint
Tie Rods
Car Cam
Toe Guard
Strike Plate
Optional Limit Switches
Removable Isolated Platen Connection Plate
Safeties
Governor

Tension Weight
Wire Rope
Mounting Bracket

For more information, Contact Sales.

Group One Hydraulic Elevator Systems

Elevator Systems
What is an EECO Group One?

Elevator Equipment Corporation (EECO) offers Group One Hydraulic Elevator Systems. These systems include a jack unit, pit support/buffers, power unit, sling & platform, guide rails, guide shoes, rail brackets, oil line material, and engineering layout drawings.

EECO has developed various pre-engineered systems in standard sizes which offer minimum lead times. EECO Group One Systems are available in either in-ground or holeless configurations and all are designed and manufactured in accordance with the Safety Code for Elevators & Escalators, ASME A17.1/CSA B44.

The following section contains a listing of all components included in the EECO Group One Elevator systems.

Hydraulic Jacks

EECO manufactures jack units with precision equipment, skilled and experienced production personnel, and a knowledgeable engineering staff to comply with the exacting standards required to produce a quality product. Additional equipment included with jack units is described below per system type.

In-ground, Direct Acting

Buffers
Pit channels
Sealed PVC with Evacuation System

Holeless, Direct Acting

Connection Bolt (Telescopic)

Roped Hydraulic

Sheaves and Stabilize
Wire Rope and Shackels

Power Units

EECO has manufactured hydraulic elevator equipment since 1946, and is one of the leading suppliers in the industry for hydraulic elevator power units. We can provide power units for any application, from small capacity residential to the largest freight elevators.

Submersible or Belted

Tank
Pump
Motor
UV-5ATC or UV-7BC Control Valve

Low Pressure Switch (if required)
1/8” Pressure Gauge Fittings

Grooved Outlet (Threaded when required)
Dampener or Muffler
Thermal Switch
Low Oil Switch
Oil Level Liquid Gauge
Magnet
Optional Pre-wired Junction Box
Optional Motor Control

Sling and Platform

In the Group One System, EECO can design and manufacture a car sling or platform to any size for any requirement that you may have. From home elevators to commercial passenger elevators, up to the biggest freight elevators, EECO can handle the job.

Rail Guides

Speed Up To 149 fpm Slide Guides
Speed 150 – 200 fpm Roller Guides with Polyurethane Wheels

Platform has (2) 1/2” plywood subflooring with an undercoating of Fire Retardant Paint
Tie Rods
Car Cam
Toe Guard
Strike Plate
Optional Limit Switches
Removable Isolated Platen Connection Plate
Safeties and Slack Rope Switch
Governor

Tension Weight
Wire Rope
Mounting Bracket

Rail and Rail Brackets

EECO provides the highest quality rail equipment, including seismic components when required.

15 lb/ft Guide Rails
Fishplate and Hardware (Seismic when required)
12” wide Rail Brackets (9” wide for Telescopic when Piston Followers are required)

Oil Line Components

EECO’s Group One System provides the basic components you need for your elevator installation.

Black Pipe
Grooved Fittings (Threaded when required)
Pipe Stands
Shut Off Valve
Isolation Coupling
Pipe Rupture Valve (when required)

Group One Roped Dual Holeless Elevator

The Group One Roped Dual Holeless Elevator Systems include dual holeless elevator jacks, pit support/buffers, a power unit, sling & platform, guide rails, guide shoes, rail brackets, oil line material, and engineering layout drawings.

EECO Group One Systems are all are designed and manufactured in accordance with the Safety Code for Elevators & Escalators, ASME A17.1/CSA B44.

The EECO Roped Dual holeless design uses wire ropes in conjunction with dual hydraulic jacks to lift the elevator at a 1:2 ratio. For each foot the jacks rise, the elevator rises two feet. Below you will find a drawing page from our catalog which you can download.