Forged steel check valve

Forged steel check valve
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Product Details


Funcation description:

1.Swing check valve disc shapes as a disc, which is around seat channel shaft for rotary motion.

2.Its main function is to prevent medium for backflow, the pump and drive motor for reversal and container

medium for relief.

3.It is suitable for low velocity and the flow doesn't often change in large diameter occasion. 


Design Standard:ANSI B16.34 / API 602

Inspection & Test: API 598

Face To Face: ANSI B16.10

End Connection: Screwed AS PER BSP/BSPT/NPT, Weld AS PER SW/BW, Flange AS PER RF/RTJ

Flange Connection: ANSI B16.5 (For NPS≤24) / ANSI B16.47 SERIES B, ANSI 16.47 SERIES A, MSS SP-44 (For NPS >24)

Butt Weld End: ANSI B16.25

Socket Weld End: ANSI B16.11

Screwed End: ANSI B1.20.1 (BSP/NPT)


Applicable Temperature: -196℃ ~ 649 ℃

Main Materials: A105/F5/F11/F22/304/304L/316/316L/LF2

Applicable Medium: Water / Oil / Gas / Causticity Medium

Pressure Rating: Class150 ~ Class2500

Size Range: 1/2" ~ 2"


KAITAI, with over 20 years experience, is one of the professional api 602 forged steel pressure seal check valve manufacturers and suppliers in China. All of our good equipments are made by professionals using advanced equipment. Welcome to buy with us.