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Cat Pumps develops hydrostatic pressure test unit (HTU)

4 October 2016

Hydrostatic pressure testing is a proven method of revealing potential weaknesses in pressure vessels, pipes, hoses, umbilicals, valves, mechanical seals, heat exchangers, pressure gauges and tanks. The process typically involves pressurising the component under test with water to levels that far exceed the designed operating parameters.

Drawing on its international experience in supplying high pressure triplex plunger pumps to companies involved in pressure testing and manufacturers of systems, Cat Pumps has developed its own dedicated hydrostatic pressure test unit (HTU). The HTU is a compact, mobile high pressure system that uses the Cat Pumps triplex plunger pumps and offers operating pressures of up to 700 bar. Flexible and simple to operate Cat Pumps HTU removes the need for equipment manufacturers and maintenance/repair specialists to design and build their own hydrostatic pressure testing systems.

Assembled on a purpose-built mobile frame, the HTU incorporates pump, gear motor, water tank, four outlet manifolds with varying ports, pressure relief, pressure release, and regulating valves along with a calibrated pressure gauge. The 50-litre water tank feeds both the pump and pressure distribution manifold. The provision of four manifold outlets and varying ports means that the system can supply the item on test as well as any extra pressure monitoring devices. The in-built pressure relief valve prevents the HTU from achieving pressures in excess of its design, whilst the pressure release valve allows the pressurised water to be released back into the feed tank after a hydrostatic text has been completed.

The flexibility of the Cat Pumps HTU is demonstrated by its availability with a choice of eight pump models and choice of both single and three-phase motors. Being a mobile unit allows end-users to transfer it to locations where equipment testing needs to be carried out, most possibly in-situ for re-qualification after servicing or repair.  

For more information, please contact:

Kevin Shaw
Business Development Engineer
Cat Pumps (UK) Limited                              
1, Fleet Business Park      
Sandy Lane
Church Crookham                   
FLEET
Hampshire
GU52 8BF                   
Tel:  01252 622031 
Email: sales@catpumps.co.uk
Web:  www.catpumps.co.uk     
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