Size Range: 2" to 50" N. B. Pressure Classes: ANSI 150, PN6, PN10, PN16 End Connections: Flanged & WAFER Materials (Standard) Standard Constructions Steel: Cast Carbon Steel A216 Gr WCB Body and Bonnet. F316 Stem & Gate, Resilient or Metal Seating Stem packing PTFE / graphite composite. Iron: Cast Iron A126 GR. B Body and Bonnet. F304 Stem & Gate, Resilient or Metal Seating Stem packing PTFE / graphite composite. Manufacturing to NACE MR-01-75 on request. 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. Operation: Manual, Electric, Hydrau-Pneumatic Actuator Standards Compliance: MSS SP-81, JB/T 8691 Face to Face Dimension: MSS SP-81 Pre-temperature Rating: ANSI B16.34 Flanged Dimension: ANSI B16.5, DIN2533; JB79; GB/T 9113; HG20592 Inspect & Test: API 598, GB/T 13927; JB/T 9092. Quality Assurance: Accredited with ISO 9001 and API Q1 & CE Quality Assurance Programmes. Depend on the detailed information you will requested.