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Is there are any new guide line about API Q1 and ISO 9001:2008 Quality Management Systems .

We are working on HIPPS 3" CL 2500 Self-Contained Hydraulic Emergency Shutdown Systems gate valve . The ESD control panel include two HP and LP Hydraulic Pressure switch. Fail close time <3 sec and displacement 3.5" . My question is how to calculate the actuator SPRING for quick action...

Is there any API stranded Digital Differential Pressure Gauge pressure chart recorder.

Hi . I am doing some repair work on 8" CL 1500 bolted bonnet Globe valve. The sealing surface HF seat ring and disk 410SS. The sealing surface( Cup type) height is about 1/2". lapped with 180 grit size .It failing pressure at 1000 psi. What option we should take: Use hemmer type...

Hi, What type of test sample pieces of valve material we ask to the valve foundry /forging shop as valve Manufacturer?Thanks AL[ponder]

Hi, If anybody could clarify F-WDC , This is what I got on a 10" CL 1500 gate valves description . thanks AL[ponder]

Need torque calculation for 20" Full bore class 600 plug valve operating pressure 600 psi . If there are any standard formula for this ?

What is the difference 347H - 347 Valve body material?

Have you seen API 624 copy ? I have read the draft copy only . Where acceptance criteria are subject to agreement between the end user or when superseded by local ordinance .

If any body knows what is max fugitive emission (PPM level ) as per API 624 AL