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Hi, I am working in the Fishing and drilling tools department and I am tasked to find out the right spec for OD tolerances required for these tools becaus apparently there is a need for the operator to kow these values. I cannot find the API specs on the api website. I want to find the right...

Hi, Can anyone tell me why or a standard rule for picking the best fittings? I explain, if someone can give me a general rule of thumb to pick the best fittings (BSP/NPT/Flanges)ranked say for hydraulic and for pneumatic applications and their limitations would be greatly appreciated? thanks...

Hi, Just double checked the pump, the pump has a long plunger in a rod and has two check valves. The manufacturer said we need pressure at the inlet and the outlet is set to 4kpsi. i cannot raise the feed tank higher than 2 m above ground level because i simply dont have space in workshop...

Hi all, thank you for your response! The NPSHr is not specified by the manufacturer because it is a bespoke design for a particular application. Hence the supplier did not perform any tests on similar pumps before and the supplier is relying on us to test the pump. The pump only has 2check...

Hi All, I am designing a test rig for a reciprocating pump and motor assembly to obtain the system curves etc... The problem is how am i going to increase the inlet pressure for this pump (manufacturer suggested an inlet pressure around 10psi-100psi)? If i add a pump at the inlet say a...

Hi all, I am new to Eng-tips and also new to the Valve world... Could anyone help me out?? I got a description for the seating of a 30inch ball valve as Primary metal and secondary soft. Does it mean that the ball is soft seated?? Thanks