Standards
Flange Butterfly Valves: MSS SP-67
Water Butterfly Valves: MSS SP-68 or API 609
Face to face dimensions: ANSI B16.10 MSS SP-67 and MSS SP-68 or 609
Test: API598
End Flange Dimensions
NPS 1 1/2-24; ANSI B 16.5
NPS 30-72 MSS SP-44 or API 605
Type of Construction
Flange Butterfly Valves (Hard face and soft face)
Wafer Butterfly Valves (Hard face and soft face)
Type of Connection
R F and RTJ flange ends to ANSI B 16.5 or API 605 and MSS SP-44 standard.
Type of Operation
Lever
Worm Gear actuator, electric actuator, Pneumatic actuator.
Actuator dimensions to ISO 5211 standard.