Specifications:
1) Class: 125, 150, 300lbs
2) Construction:
a) Flanged type or Wafer Type.
b) Centerline type or Eccentric Type (double-eccentric, three-eccentric)
3) Material:
a) Carbon steel: A216 WCB, A352 LCB
b) Alloy steel: A217 WC6, WC9, C5
c) Stainless steel: A351 CF8, CF8M, CF3, CF3M
4) Sealing face: soft or hard
5) Size: 1-1/2 - 72"
6) Design and manufacture:
a) Flanged type butterfly valve: MSS SP-67
b) Wafer type butterfly valve: MSS SP-68 or API 609
7) Face to face dimension:
a) Flanged type butterfly valve: ANSI B16.10/MSS SP-67
b) Wafer type butterfly valve: MSS SP-68/API 609
8) End flange dimensions:
a) NPS 1-1/2 - 2": ANSI B16.5.
b) NPS 30 - 72": MSS SP-44 or API 605
9) Operation: lever, worm gear, electric, or pneumatic actuator
10) Test: API 598