cak30887
Mechanical
- Oct 21, 2014
- 6
Which standards has to refer while designing a double offset butterfly valve?
Pl. Mention design and testing standards.
Also for calculating valve torque for a double offset butterfly valve, what factors has to be consider like bearing torque, seating and unseating torque, packing torque, is there any standard for these calculations?
Pl. Mention design and testing standards.
Also for calculating valve torque for a double offset butterfly valve, what factors has to be consider like bearing torque, seating and unseating torque, packing torque, is there any standard for these calculations?
