- Check valve is an automatic valve, also known as check valve, one-way valve, return valve or isolation valve.
- The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). When the inlet pressure is greater than the disc weight and its flow resistance, the valve is opened. On the contrary, the valve will be closed when the medium flows back.
1.Novel structure: Check valve structure novel, reasonable use of hydraulic principle cybernetics.
2.Good choice of materials: The thickened body is made of high quality brass or stainless steel for better corrosion and wear resistance.
3.Seiko production: Welding, sealing and other procedures are strictly controlled, product quality is guaranteed.
The above data is for reference only, please contact us for more details.
Inventory and Quality Control
The quality inspection process of the check valve is as follow:
1.appearance inspection
2.shell test
3.sealing test
4.valve body mark inspection
5.check the contents of the name plate
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