Dual Plate Check Valve - Automation & Industrial Valves

Dual Plate Check Valve

Design Features

Retainer less design is supplied as standard

To suit ANSI B16.5 flanges, NPS 2-24 (DN 50-600)

Standard Materials

Design Specifications

Standard Materials

Part	Material
Body	WCB	CF8	CF8M
Closure Plate	WCB / SS 304/ SS 316	CF8	CF8M
Seat Ring	PTFE / Metal To Metal
Spring	SS 202 / SS 304 / SS 316	SS 304 / SS 316	SS 316
Hinge Pin	AISI 410 / SS 304 / SS 316	SS 304 / SS 316	SS 316

Design Specifications

Item	Applicable STD
Design Standard	API 594
Face-to-Face Dimensions	API 594
Testing Standard	API 598
Flange Design	ASME B16.5 / DIN
Materials	ASTM
Pressure-Temperature Rating	ASME B16.34

Dual Plate Check Valve Dimensions

DIMENSIONAL DETAILS AS PER ANSI CLASS

	SIZE	2”	2 1/2	3”	4”	5”	6”	8”	10”	12”	14”	16”	18”	20”	24”
CLASS 150#	L	60.0	67.0	73.0	73.0	86.0	98.0	127.0	146.0	181.0	184.0	191.0	203.0	219.0	222.0
	ØC	60.0	73.0	89.0	114.0	141.0	168.0	219.0	273.0	324.0	356.0	406.0	457.0	508.0	610.0
	ØD	101.0	120.0	133.0	171.0	193.0	218.0	276.0	336.0	406.0	447.0	511.0	546.0	603.0	714.0
CLASS 300#	L	60.0	67.0	73.0	73.0	86.0	98.0	127.0	146.0	181.0	222.0	232.0	264.0	292.0	318.0
	ØC	60.0	73.0	89.0	114.0	141.0	168.0	219.0	273.0	324.0	356.0	406.0	457.0	508.0	610.0
	ØD	107.0	127.0	145.0	177.0	212.0	247.0	304.0	358.0	419.0	482.0	536.0	593.0	650.0	771.0
CLASS 600#	L	60.0	67.0	73.0	79.0	105.0	137.0	165.0	213.0	229.0	273.0	305.0	362.0	368.0	438.0
	ØC	60.0	73.0	89.0	114.0	141.0	168.0	219.0	273.0	324.0	356.0	406.0	457.0	508.0	610.0
	ØD	107.0	127.0	145.0	190.0	238.0	263.0	317.0	396.0	453.0	488.0	562.0	609.0	679.0	–

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