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Cast iron valves for water treatment systems

Rubber flap swing check valve

This valve adopts a full area overcurrent design, which has the characteristics of low head loss, low accumulation of debris, and simple maintenance. Mainly suitable for water supply and drainage systems, it can be installed at the outlet of the water pump to prevent backflow and water hammer damage to the water pump. It can also be installed on the bypass pipe of the reservoir inlet and outlet pipelines to prevent pool water from flowing back into the water supply system.

Category:

Cast iron check valve

Consultation Hotline:

0086-512-6270-1855

technical manual

Product Message

Product characteristics

1. The valve body is light, the valve disc has a short opening and closing stroke, a streamlined structure, and low flow resistance.

2. Short closing time, fast closing speed, and good energy-saving effect.

technical specifications

Product parameters

Main technical parameters

Test pressure	PN10	Shell: 1.5MPa Sealing: 1.1MPa
	PN16	Shell: 2.4MPa Sealing: 1.76MPa
	PN25	Shell: 3.75MPa Sealing: 2.75MPa
face-to-face	Compliant with EN 558-1
Inspection standards	Compliant with EN 12266
Temperature	0℃~80℃
Connection end	Flange: EN1092-2
Surface Treatment	Epoxy powder coating, 150-500um, according to AWWA C550 standard.
Application scope	Drinking water, water supply and drainage, sewage treatment, irrigation, air conditioning, fire protection pipelines, etc.

Main component materials

No.	component	material
01	valve body	Ductile iron GGG50
02	bolt	Galvanized carbon steel
03	Valve flap	Ductile iron GGG50/EPDM rubber
04	bonnet	Ductile iron GGG50
05	shim	Nitrile rubber or ethylene propylene rubber
06	valve core	Ductile iron GGG50