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