Grooved End

MH-XQH-350G

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Swing Check Valve

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Grooved End

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Grooved End

Technical Features

Nominal Pressure: 350PSI
Groove standard : ANSI / AWWA C606 or Metric
Sizes: 2", 2½", 3", 4", 5", 6", 8", 10", 12"
Approvals: UL, FM
Flange Standard: ASME / ANSI B16.1 Class 125 or A/ANSI B16.42 Class 150 or BS EN1092-2 PN16 or GB/T9113.1
Maximum Working Pressure: 350PSI (Maximum Testing Pressure: 700 PSI) conforms to UL 312 & FM class 1210
Maximum Working Temperature: 80°C/176°F
Coating Details: Epoxy coated interior and exterior by Electrostatic Spray or coating upon request
Applications: Used in one-way flow pipeline to prevent the water from back flow
Other Connections: Flange*Flange; Groove*F lange; Flange*Groove

Valve Material List

NO.	Name	Material
1	Valve Body	Ductile Iron
2	Bolt	Steel 1045
3	Plug	Steel 1045
4	Plug	Steel 1045
5	Spring	Stainless Steel 304
6	Hinge Pin	Stainless Steel 304/Ductile Iron
7	Clapper	Stainless Steel 304
8	Seat	C95400
9	Clamping Ring	Stainless Steel 304
10	Locknut	Stainless Steel304
11	Facing Seal	EPDM
12	Gasket	EPDM
13	Bolt	Stainless Steel 304
14	Plug	Steel 1045