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ANSI 150 & JIS 10K
Thank you for the information. They are very useful to me. Kind regards, Jerri- Jerri76
- Post #3
- Forum: ANSI (standards) Code Issues
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ANSI 150 & JIS 10K
Dear professionals, Can anyone please advise what are the differences between ANSI150 & JIS10K end stds? I currently have a valve manufactured to ANSI150 & I wish to know if any modifications need to be made for it to conform to JIS10K. I'd be grateful if anyone can advise me on where to...- Jerri76
- Thread
- Replies: 2
- Forum: ANSI (standards) Code Issues
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Break & Seating Torques, Are they Equal?
I have with me here a set of formulae which relates to upstream & downstream break & seat torques: For Shaft Downstream: i. torque tp close v/v is given by: Tseat= -Tpacking -Tseat -Thandwheel -deltaPmax(bearing torque factor + off balance torque factor) ii. torque required to open v/v is...- Jerri76
- Post #2
- Forum: Valve engineering
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Actuated Valves for Steam, Natural gas, Oxygen service
For O2 applications, u might wish to consider the fluid medium: i. O2-Gas: valves of ductile iron/SS with rubber (i.e. NBR) seating will suffice; ii. O2-Liquid (-297DegF): 316SS disc with teflon seating will be good. I hope this will help in a little way.- Jerri76
- Post #3
- Forum: Valve engineering
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Break & Seating Torques, Are they Equal?
I will like to put this question out to all valve engineers, in hope of a valued explanation: 1. For a conventional butterfly v/v, is the breakaway & seating torques equal? 2. What equations/formulae can be used to relate the relevance of these 2 torques? I will be grateful if there is...- Jerri76
- Thread
- Replies: 3
- Forum: Valve engineering
