Ball check valve-Mai Ke Rui Si (Tianjin) Valve Manufacturing Co., Ltd.

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Ball check valve

Product overview

Ball check valve are used in piping systems to prevent backflow of media, to prevent the reversal of pumps and their driving motors, and to prevent the release of media in containers. Check valves can also be used in piping where pressure may rise above the primary system pressure to supply the secondary system. Horizontal or vertical installation can be used for cold water, hot water, industrial and domestic sewage pipe network, more suitable for submersible sewage pump, medium temperature 0-80℃. Can be installed at the outlet of the pump to prevent backflow and water hammer damage to the pump

Product details

Structural features

1. The valve body adopts full channel and streamline design, with small fluid resistance and large flow.
2. The connection of body, cover and piston rod is double sealed by sealing gasket and sealing ring without leakage.
3. Dual guidance of valve body, piston cylinder and piston, smooth and reliable movement.
4. All stainless steel piston cylinder, integrally cast piston and NBR sealing ring.Perfect combination greatly prolongs service life.
5. The detachable valve seat with advanced technology is ingenious in structure, novel in concept and convenient for maintenance and replacement.
6. Piston cylinder with diversion hole, increase resistance appropriately, make piston movement more stable.

Executive Standards

Structure length: GB/T12221
Flange standard: GB/T17241.6\API 598 GB/T 9113
Test standard: GB/T13927

Performance parameter

Main material: H200
Nominal Path: DN50~350mm
Nominal pressure: PN1.0~1.6MPa
Applicable temperature: 0~80 C
Applicable medium: water and medium with physical and chemical properties similar to water

Product size

DN	50	65	80	100	125	150	200	250	300	350
L	180	200	260	300	350	400	500	600	700	800
H	185	210	245	^ 280	335	400	495	600	715	820

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