Product Item: Pneumatic Swing Check Valve
Material: ASTM A216 WCB
Size: DN500
Pressure: PN40
Ends: BW (Butt Weld)
Trim: 8#
Actuator: Pneumatic Actuator, CL160 mm SR, with 6 bar supply pressure
Actuator Type: Normally Closed
Air Filter Regulator: SMC AW20
Surface Treatment:
Preparation: Sand blasting to SA 2-1/2
Coating/Painting:
1st Layer: 2K Epoxy Primer (80μm)
2nd Layer: 2K Epoxy Intermediate Layer (80μm)
3rd Layer: 2K PUR Finish Coating, Silver Color (RAL 9006), 80μm
Source: https://www.landee.cn/pneumatic-swing-check-valve-astm-a216-wcb-dn500-pn40-bw.html
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