* API602, BS5352 steel wedge check valve design. *Swing type code : FSF-900, Piston type code : FPF-900 * Welding flange type is available.* High Pressure Sealing for flange forged valve on pressure class 1500 is optional. * Welding Bonnet is optional, with round forged bonnet. * Valve Nameplate on the top of bonnet space * Material from forged carbon steel, stainless steel, dual-material such as F304/F304L, special material are all available. * Uni-directional flow path. * NACE MR0175 is our standard for A105 Material
ASTM A105N