Features & Specifications .Standards Compliance: API 600, API 602, API 6D, GB12234, ASME B16.34, MSS SP-117 Construction: Bolted Bonnet, OS&Y .Double Bellow & Sealing, Convenient Maintanence, Position Indicator Flanged Dimension: ANSI/ASME B16.5, JB79, S.W Ends: ANSI B16.11, Screwed Ens: ASME B1.20.1 .Face to Face Dimension: ANSI/ASME B16.10, GB/T12221 .Inspect & Test: API 598, GB 12937 .Size Range: 3/8" to 2"N.B. .Pressure Ratings: ANSI800 .End Connections: Flanged, Buttweld, Socket Weld, Hub Connectors, Compact Flange or other proprietary connections. .Materials Available in: WCB,LCB,CF8,CF8M,CF3,CF3M,WC6,WC9, C5,C12 or Equivalent, Available also in low temperature steels, low alloy steels, stainless steels, duplex type stainless steels and other exotic materials; .Various trim materials available to suit service conditions .Actuators: Manual, Electric, Hydrau-Pneumatic Actuator .To MR 0175 and MR 103 on request