Forged Steel Lift Check Valve, Welded Bonnet

Specifications

Lift type

Welded Bonnet;

Bolted bonnet check valves are optional

Guided Disc in valve body provides accurate sealing alignment

Socket weld ends: ASME B16.11

Threaded ends: ANSI/ASME B1.20.1

Butt-welded ends: ANSI B16.25

The gasket for the connection of Bonnet & Body is metal ring

Forged Steel Check Valves conform to MSS-SP-118 and ASME B 16.34. Each valve is  tested in accordance with API 598, and marked per MSS SP 25.

Main materials: A105, LF2, F5, F22, F304, F316, F347, F321, F51, Monel, 20# Alloy

Features

BODY: A105, A182 F22, A182F 304L, A182 F316L

SEAT: A276 420, A276 304, A276 304L, A276 316L

WEDGE: A182F 430&410, A182 F304, A182F 304L, A182 F316L

STEM: A182 F6, A182 F304, A182F 304L, A182 F316L

GASKET: 316 WITH GRAPHITE, 316 WITH PTFE

BONNET: A105, A276 F304, A276F 304L, A276 F316L

BOLT: A193 B7, A193 B16, A193 B8, A193 B8M