API Forged Steel Check Valve

Specifications

Confirmed at quote

Size Range: DN15-DN50 (NPS 1/2" to 2")
Pressure Class: Class 800, Class 900, Class 1500, Class 2500
Standards: API 602, API 598, ASME B16.11, ASME B1.20.1, ASME B16.34
End connection: Threaded ASME B1.20.1 · Socket_weld ASME B16.11

Available sizes

Standard DN sizes covered by this product. Confirmed at quote.

DN15 DN20 DN25 DN32 DN40 DN50

Configure your variant(manually adjust box on the right if you require a different spec)

Size
Pressure
End connection

Materials

All available material options per part. Click a pill to set it in the configurator.

body
bonnet
disc
gasket
bolt
nut

Dimensions per size(18 sizes)

Size	piston_L	piston_d	piston_H	piston_NPT	swing_L	swing_d	swing_H	swing_NPT	Weight
DN15	79 mm	10 mm	54.5 mm	1/2"	79 mm	13 mm	54.5 mm	1/2"	—
DN20	92 mm	13 mm	54.5 mm	3/4"	92 mm	13 mm	54.5 mm	3/4"	—
DN25	111 mm	17.5 mm	72 mm	1"	111 mm	18 mm	72 mm	1"	—
DN32	120 mm	23 mm	81 mm	1 1/4"	120 mm	24 mm	81 mm	1 1/4"	—
DN40	152 mm	28.5 mm	94 mm	1 1/2"	120 mm	29 mm	94 mm	1 1/2"	—
DN50	172 mm	35 mm	112 mm	2"	140 mm	36.8 mm	112 mm	2"	—
DN15	92 mm	10 mm	73 mm	1/2"	92 mm	13 mm	73 mm	1/2"	—
DN20	111 mm	13 mm	73 mm	3/4"	111 mm	13 mm	73 mm	3/4"	—
DN25	120 mm	17.5 mm	84 mm	1"	120 mm	18 mm	84 mm	1"	—
DN32	152 mm	23 mm	97 mm	1 1/4"	120 mm	24 mm	97 mm	1 1/4"	—
DN40	172 mm	28.5 mm	115 mm	1 1/2"	140 mm	29 mm	115 mm	1 1/2"	—
DN50	220 mm	35 mm	132 mm	2"	160 mm	36.8 mm	132 mm	2"	—
DN15	150 mm	11 mm	102 mm	1/2"	—	—	—	—	—
DN20	150 mm	14 mm	102 mm	3/4"	—	—	—	—	—
DN25	170 mm	19 mm	107 mm	1"	—	—	—	—	—
DN32	200 mm	25 mm	128 mm	1 1/4"	—	—	—	—	—
DN40	200 mm	28 mm	128 mm	1 1/2"	—	—	—	—	—
DN50	250 mm	35 mm	143 mm	2"	—	—	—	—	—

Description

Forged steel check valve in Class 800, 900, 1500 and 2500 pressure ratings, covering DN15 to DN50 (NPS 1/2" to 2"). Designed and manufactured to API 602 with NPT threaded and socket-weld end connections.