VALVE TYPE SPECIFICATIONS/GEAR REQUIREMENT-ball,gate,globe,check,butterfly valve

VALVE TYPE SPECIFICATIONS

1 BALL VALVES
Ball valves shall be provided with the following:
• Lockable device (opened and closed).
• Blow-out proof stem.
• Split body design.
• Anti static device tested in accordance with ISO 17292 or API 6D as applicable.
• Trunnion mounted ball valves shall have a cavity relief seat.
• Suitable for bi-directional use.
• Ball shall be solid. Hollow ball is subject to MISC/MMHE approval.
• Ball position indicator.
Floating ball valves are acceptable up to 6” in class 150 and 300, 3” in class 600. Continue reading “VALVE TYPE SPECIFICATIONS/GEAR REQUIREMENT-ball,gate,globe,check,butterfly valve”