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300X Slow-closing check valve
Product overview
Slow closing check valve is composed of hydraulic control valve main valve and control pipeline, and the closing time of main valve can be adjusted;
Installed at the outlet of the water pump in the building water supply system, mainly used to prevent the backflow of media, can effectively reduce the impact of water hammer and noise.
Product details
Product characteristics
Hydraulic control without external drive;
Main valve has only one moving part and low failure rate.
Diaphragm type structure, no friction, high control sensitivity;

The main valve closing time can be adjusted to effectively reduce water hammer impact and noise.


Product Standards
Manufacturing Standards: CJ/T219, JB/T10674
Connection standard: GB/T17241.6
Standard for surface spacing: GB/T12221

Inspection test standard: GB/T13927


Technical parameter
Path Pressure: DN50~DN400 (2"~16") PN16
DN50~DN300 (2 "~12") PN25
Operating temperature: 0 C~85 C
Sealing test: 1.1PN
Case Test: 1.5PN
Applicable medium: water


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