Product Details

Product Description

Standard Test:

Body Test: 1.5 times the working pressure with water. This test is performed after Ductile Iron Wafer Dual Plate Double Door Wafer Butterfly Check Valve assembly and with disc in half position open, it is called as a body hydro test.
Seat Test: 1.1 times the working pressure with water.
Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.
Special Test: On request, any other test can be carried out according to special instruction by client.

Ductile Iron Wafer Dual Plate Double Door Wafer Butterfly Check Valve
Size Range	2~24"(DN50~DN600)
Pressure	PN10, PN16, Class125
Body Materials	Cast Iron, Ductile Iron , WCB , Stainless Steel, Bronze
Seat Materials	NBR, EPDM
Disc Materials	Ductile Iron, WCB, CF8,CF8M, Al-bronze C958
Stem Materials	SS416, SS304, SS316

Adoptive Standards:

Valve Design: API 609
Pressure Test: API 598
Flange end: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16

Production Process

Packing & Delivery

Packaging
Size	110 (L) * 110 (W) * 78 (D)
Weight	800kg
Packaging Details	Hard-to-hard-lay,Put sponge in each floor, 1.11.10.78m export plywood case;

Size	110 (L) * 110 (W) * 78 (D)
weight	About 800kg
Packaging Details	One 20' container can in bulk loaded on 24pcs plywood cases more or less. We can pack according to specific customer requests. Customers' logos are available on package

Our History

Certification

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91.8% Response Rate