HH44X, HH44T, and HH44H Butterfly slow closing check valve are used in water supply and drainage pipelines. They are installed at the outlet of the water pump to prevent medium countercurrent and eliminate destructive water hammers, and can effectively reduce the pressure of the valve closing the water hammer, which can ensure the safe operation of the pipe network.
Presure: 1.0～2.5MPa
Specifications: DN100～DN800
material: Gray iron, ductile iron, carbon steel
Valve disc:Rubber assembly
Valve shaft:Stainless steel
Applicable medium :Water, Weak Corrosive Medium
Structural characteristics:
1. Structural length is short, and its structural length is only 1/4~1/8 of the traditional flange check valve.
2. Small size, light weight, its weight is only 1/4~1/20 of the traditional micro-blocking check valve.
3. The Butterfly slow closing check valve valve disc closes quickly and the water hammer pressure is low.
4. Horizontal or vertical pipes are available and easy to install.
5. Flow passage is unobstructed and fluid resistance is small.
6. Sensitive movement and good sealing performance
7. Short disc stroke and low impact of valve closure
8. Integral structure, simple and compact, beautiful appearance
9. Long service life and high reliability
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