The slow opening and slow closing multifunctional check valve produced by our company is designed and manufactured based on imported products and advanced products of the same type in China. Its main purpose is to be installed on the outlet pipes of water supply systems in high-rise buildings and other water supply systems to prevent medium backflow, prevent water hammer and water hammer phenomena. One valve has three functions: electric valve, check valve, and water hammer eliminator, It can effectively improve the safety and reliability of water systems.
Item NO.:
XUVAL88-341Lead Time:
50 DaysProduct Orgin:
CHINABrand:
XUVALShipping Port:
ShanghaiPayment:
100%TTMOQ:
1characteristic
1. Good effect in eliminating water hammer
Integrate the technical principles of slow opening and slow closing to eliminate water hammer, and prevent the occurrence of water hammer when starting and stopping the pump.
2. Easy to operate
Simply operate the water pump motor on/off button, and the valve will automatically open and close according to the water pump operating procedures.
3. Good energy-saving effect
The valve adopts a wide valve body and full channel streamlined DC design, with low pressure loss, large flow rate, small volume, and light weight.
4. Adjustable opening pressure
Due to the valve being equipped with a pilot valve control system, the main valve opening pressure can be set by simply setting the pilot valve opening pressure, and the opening pressure can be flexibly adjusted according to the working conditions.
Main structure
The valve mainly consists of a valve body, ball valve, filter, one-way valve, pilot valve, and dual chamber diaphragm (piston) transmission mechanism, as shown in the following figure:
1 | Valve body | 7 | One-way valve |
2 | Ball valve | 8 | Spring |
3 | Filter | 9 | Valve disc |
4 | Double chamber diaphragm (piston) transmission mechanism | 10 | Filter |
5 | One-way valve | 11 | Ball valve |
6 | Pilot valve | 12 | Valve stem |
Nominal pressure
(Mpa)
|
Shell test pressure
(Mpa)
|
Sealing test pressure
(Mpa)
|
Pressure regulation range
(Mpa)
|
Applicable media | Medium temperature (℃) |
1.0 | 1.5 | 1.1 | 0.1~0.9 | Water, oil, and liquids with properties similar to water | 0~80 |
1.6 | 2.4 | 1.8 | 0.15~1.4 | ||
2.5 | 4.0 | 2.8 | 0.2~2.2 |
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