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TYPES	Stroke inch	L extended inch	Extension force max. lbs
GS-28-100	3.94	10.31	562
GS-28-150	5.91	14.25	562
GS-28-200	7.87	18.19	562
GS-28-250	9.84	22.13	562
GS-28-300	11.81	26.06	562
GS-28-350	13.78	30.00	562
GS-28-400	15.75	33.94	540
GS-28-450	17.72	37.87	438
GS-28-500	19.69	41.81	360
GS-28-550	21.65	45.75	303
GS-28-600	23.62	49.69	259
GS-28-650	25.59	53.62	225
GS-28-700	27.56	57.56	202
GS-28-750	29.53	61.50	180

Industrial Gas Springs – Push Type
GS-28-400

Individual stroke length and extension forces

Valve Technology
Extension force max. 540 lbs
Stroke 15.75 inch

Universal and tailor made: ACE industrial gas springs offer perfect support of muscle power with forces from 2 to 2,923 lbs. (10 to 13,000 N) with body diameter of 0.31"" to 2.76"" (8 to 70 mm). These durable and sealed systems are ready for installation, maintenance-free and filled with pressurized nitrogen gas.

They are filled according to individual customer pressure requirements and may be adjusted later by use of a built-in valve. ACE provides free calculation support and designs the gas springs with mounting points specifically for the particular application. A variety of accessories makes assembly even easier and allows universal application of the gas springs.

ACE will be closed between December 24th and January 2nd. Orders placed during this period will be processed on January 2.

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$167.53

List price per item includes shipping

Please contact the factory for specific delivery timing.

CAD Drawings

Product-Downloads

GS-28-400

Valve Technology

Dimensions

GS-28-400

Stroke	15.75 inch
L extended	33.94 inch

Technical Data

Extension force max. 540 lbs

Piston rod diameter Ø 0.55 in

Progression Approx. 63 % to 76 %

Lifetime Approx. 32,808 ft

Operating temperature range -4 °F to 176 °F

Material Outer body: Steel coated with UV paint; Piston rod: Steel with wear-resistant coating; End fittings: Zinc plated steel

Operating fluid Nitrogen gas and oil

Mounting In any position. Hint: We recommend mounting with piston rod downwards to take advantage of the built-in end position damping.

End position damping length approx. 1.18"""" to 2.76"""" (depending on the stroke)

Positive stop External positive stop at the end of stroke provided by the customer.

Note

Integrated grease chamber reduces friction and wear and optimizes lubrication.

End fittings

They are interchangeable and if necessary must be positively secured by the customer to prevent unscrewing.

Safety information

Gas pressure springs should not be installed under pre-tension.

On request

Special oils and other special options. Alternative accessories. Different end position damping and extension speed.

GS-28-400

Valve Technology

Application Examples

Movement support for collapsible Team shelters

Industrial Gas Springs – Push Type - GS-8 to GS-70

Movement support for collapsible Team shelters

The Weatherscape™ Team Shelter, created by Sportsfield, is designed to have a collapsible roof that can be lowered to the ground when not in use. The unique parameters of this design made it difficult to determine the needed spring force and ideal...

Opening and closing mechanisms for heavy protective hoods o...

Industrial Gas Springs – Push Type - GS-8 to GS-70

Opening and closing mechanisms for heavy protective hoods o...

ACE industrial gas springs prevent injuries during maintenance work on harvesting machines. The blades of corn pickers are arranged under plastic hoods, which assure proper material flow within the machine. For maintenance purposes, the hoods, wei...

Opening and closing mechanisms for protective hoods in mini...

Industrial Gas Springs – Push Type - GS-8 to GS-70

Opening and closing mechanisms for protective hoods in mini...

ACE industrial gas springs (push type) protect samples in an incubator, which is used for chemical and biochemical applications. The plexiglass hood, under which valuable laboratory equipment is stored, is held securely in the open and closed posi...

Opening and closing mechanisms for helicopter doors

Industrial Gas Springs – Push Type - GS-8 to GS-70

Opening and closing mechanisms for helicopter doors

In Airbus EC 135 rescue helicopters, maintenance-free, self-contained opening and closing systems with gas springs from ACE are installed in the access doors. There, they allow the crew to enter or exit the helicopter quickly, thus contributing to...

Opening and closing mechanisms for entrance gates

Industrial Gas Springs – Push Type - GS-8 to GS-70

Opening and closing mechanisms for entrance gates

Industrial gas springs from ACE are used in order that a heavy wooden gate can be driven easily over uneven ground in front of a shelter for asylum seekers. In this example, GS-40 gas springs (push type) are integrated into the metal supports of t...

Failure protection for pneumatic drum bells of stirring sta...

Industrial Gas Springs – Push Type - GS-8 to GS-70

Failure protection for pneumatic drum bells of stirring sta...

In order that the processing of demanding potting materials in drum stirrer stations for casting resins also runs reliably in 200-litre drums, the container needs to be completely sealed. In this application, a bell is therefore driven over the re...

Motion optimisation of accelerators in racing cars

Industrial Gas Springs – Push Type - GS-8 to GS-70

Motion optimisation of accelerators in racing cars

The versatility of ACE's industrial gas springs is demonstrated through their use in a racing car. Installed on the accelerator, they compensate disruptive pedal movements through the backflow of nitrogen when the throttle valve is opened. This co...

Positioning system for start bars on ski jumps

Industrial Gas Springs – Push Type - GS-8 to GS-70

Positioning system for start bars on ski jumps

The addition of two GS-22 industrial gas springs (push type) from ACE make training on a ski jumping ramp much easier. With their help, moving mobile launch bars is child’s play. Located at the starting tower, the launch bars are a necessary part ...

Braking and stabilising systems for winding machines in the...

Industrial Gas Springs – Push Type - GS-8 to GS-70

Braking and stabilising systems for winding machines in the...

When winding a transformer core with resin tape, oval transformer legs can potentially cause a drop in tension. However, the tape tension is highly significant. In order that the sheets in the transformer do not move an inch in the vertical direct...

Motion control weatherproof furniture

Industrial Gas Springs – Push Type - GS-8 to GS-70

Motion control weatherproof furniture

As a specialist in disposal containers for public spaces, ROBI AG from Switzerland offers cities and municipalities high-quality park benches. These remain dry when not in use because the seats fold up automatically. For this solution called “BANK...

Slide Bar with soft gliding and damping sliding mechanism

Industrial Gas Springs – Push Type - GS-8 to GS-70

Slide Bar with soft gliding and damping sliding mechanism

Carpenter Dominik Huber has created a “Slide Bar“ as a masterpiece. This is also characterised by the cube that slides upwards and to the side and serves as a bar. To make this function as smooth and safe as possible, he relies on an industrial ga...

Gas springs support lifting forces of stand-up wheelchairs

Industrial Gas Springs – Push Type - GS-8 to GS-70

Gas springs support lifting forces of stand-up wheelchairs

The developers of the PR Biolution stand-up wheelchair from PARAVAN avoid even the smallest jerky movements for the benefit of rehab patients. Therefore, they designed the aid, which was developed according to the strict guidelines of medical tech...

Application Areas

Hoods
Shutters
Machine housing
Conveyor systems
Control boxes
Furniture industry
Jacking applications
Assembly stations
Vehicle technology
Folding elements

ACE industrial gas push type springs are used on covers, lids, or other components. They are used in industrial applications, automation and machine building, medical technology as well as in the electronics, automobile and furniture industries.

GS-28-400

Valve Technology