I. forged steel valve structure advantages are as follows: 1. Forged steel valve with self-tight pressure seal, the valve body ends of both ends of the welded connection. 2. Forged steel valve closing, valve sealing surface using cobalt-based carbide plasma spray welding, wear-resistant, anti-abrasion performance. 3. Stem by nitriding corrosion resistance, good corrosion resistance and scratch resistance. Forged steel globe valve main design specifications: design and manufacture GB / T12234 ASMEB16.34 structure length JB / T3595 interface connection size JB / T3595 GB / T12224 inspection and test JB / T3595 MSS SP61 pressure and temperature benchmark JB / T3595 ANSI B16 .34 Forged steel cut-off valve Main pressure rating Nominal pressure 200,250,320 Working pressure P55100V, P55140V, P55170V III. Forged steel stop valve Relevant standards: JBT 3595-2002 Forged steel valves General requirements JB / T 5263-2005 Forged steel gate valves Steel Casting Technical Conditions JB / T 4018 forged steel valve preparation method DL 959-2005 Forged Steel Boiler Safety Valve Application Guidelines DLT 531-1994 forged steel high temperature high pressure stop valve gate valve technical conditions DLT 641-2005 forged steel flange valve electric Actuators DLT 850-2004 Forged Steel Piping GB 10869 Technical Specifications for Forged Steel Control Valves GBT Forged Steel Temperature Reducing and Pressure Reducing Valves
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