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01332 298 126

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Re-Gas Service

SGS Engineering
Unit A6
Cranmer Road
West Meadows Estate
Derby
DE21 6JL
Tel: 01332 298 126
Fax: 01332 366 232

Directions to SGS Engineering, Derby

Q - How do I select an Hydraulic Pump?

1) Select an Hydraulic Cylinder to suit the application with the required Tonnage, Stroke and Retracted Height.

2) Select an Hydraulic Pump with adequate oil output and reservoir capacity to power the cylinder. (Refer to Cylinder Capacity Chart below).

3) Select an Hydraulic Pump with the Valve option that is best suited to the Cylinder and application. (Refer to Valve Selection Chart below).

 

Cylinder Capacity Chart	Valve Selection Chart	Pump Selection Chart

 

Hydraulic Pump Considerations 

1) What maximum system operating pressure (psi) is required?

2) What volume of oil delivery is required? (For manual pumps, cu. in. of oil per handle stroke; for powered pumps, cu. in./min. of oil).

3) Is a single- or 2-speed pump required? (2-speed pumps deliver high oil volume at low pressure for rapid cylinder piston advance, then shift to to the high pressure, low volume stage under load).

4) What is the preferred source of power?

4a) Manual (hand or foot operated). Provides portability, can be used where electricity or shop air are not available.

4b) Air/Hydraulic. Uses shop air or a portable air compressor.

4c) Electric /Hydraulic. What voltage is available? Is a battery operated pump preferred?

4d) Gasoline Engine/Hydraulic. Powers high-output pumps at remote job sites where air or electricity are unavailable.

 

Is portability of the pump a consideration factor?

1) Will the pump be used intermittently, or will it need to provide high-cycle operation? Does the application require that the pump be capable of starting under load?

2) Is fluid heat build-up a factor in your application? High cycle applications may require a larger capacity oil reservoir for cooling. Also, if you are using large displacement cylinders, the reservoir capacity must be sufficient to fully extend the piston of the cylinder.

3) Will the application require large displacement or multiple cylinders? Reservoir size and pump output levels will be factors to consider.

4) Does the working environment require a pump having a low operating noise (dBA) level?

5) Must the pump operate in a spark-free environment?

If you are having difficulty with any aspect of your SPX Power Team requirements or if you do not have time to browse the site please contact us by filling in the form provided, email at sales@sgs-engineering.com or call on 01332 298 126 and we will be happy to help.