微信打开Standard Design Features
•Straight pattern body
•OS & Y (Outside screw and yoke)
•BB (Bolted bonnet)
•Rising stem and handwheel
•Plug or parabolic disc
•Welded-in seat ring
•Flanged or buttwelding ends
•Fire safety
•Uni-direction
Production Range
•Material : Carbon steel : ASTM A216-WCB or Equivalent
Alloy steel : ASTM A217-WC6, WC9, C5, C12, C12A or Equivalent
Stainless steel : ASTM A351-CF8, CF8M, CF3, CF3M, CN7M, or Equivalent
Duplex stainless steel : ASTM A995-1A,2A,4A,5A or Equivalent
Special alloy steel : Inconel 625, Incoloy 825, Hastelloy C, Monel
•Pressure rating : ASME class 150 to class 2500
•Service temperature : Up to +500℃
•Available size : NPS 2″ ~ 24″
•Optional Operation : Manual, Electric, Pneumatic, Hydraulic
Design Standards
•Basic standards : BS 1873/API 623/ASME B16.34
•Face to Face : ASME B16.10
•End flange : ASME B16.5 & ASME B16.47
•Buttwelding ends : ASME B16.25
