Size Range;1/2” to 42” N.B. Pressure Classes:ANSI 150, 300, 600, 900, 1500, 2500 & 4500. End Connections:Flanged, Buttweld, Socket Weld, Hub Connectors, Compact Flange or other proprietary connections. Materials (Standard) Standard Constructions Cast Carbon Steel A216 Gr WCB Body and Bonnet. 13% chrome stem, gate and seats. Stem packing PTFE / graphite composite. Seating surfaces of gate and seats hard faced with tungsten carbide on request. 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 Design Codes:API 6D, ANSI B16.34, ANSI 16.5, ASME VIII, API 6FA. Quality Assurance:Accredited with ISO 9001 and API Q1 Quality Assurance Programmes.