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"
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