Carrier Residential Heat Pumps specify that if lines are longer than 90ft that a bidirectional solenoid valve be placed in the liquid line near the outdoor unit to eliminate refrigerant being able to

Twincharging an engine that features a screw-type supercharger (ie it already has internal compression) in my mind has the following advantages and disadvantages:

Normally it takes a lot of time and equipment to check a hydraulic accumulators gas precharge pressure. Also using the normal way of opening the gas charge valve and reading Gas pressure at the Accumu

I have some questions with regards to a diesel pumping application. I am using a vane pump to suck fuel out of a main storage horizontal tank.

I am looking for a method about delay device in fluid system, the fluid is incompressible. I have oscillatory flow and this flow will be divided to two flow by Y joint, I want to have a delay for one

Is it necessary for water lubricated vertical turbine pump line shaft bearings be immersed in water prior to starting the pump?

I have a rotary gear pump for lube oil pumping having a negative suction lift of 20". A strainer /footvalve arrangement is proposed a the suction to remove particulates and maintain the suction line p

A butterfly valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a ball valve, which allows for quick sh