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Product Description
Introduction
Check Valve Spring Type is a valve widely used in various industrial equipment, its main function is to control the flow direction of liquid, gas or other fluids, so as to ensure the normal operation of the system. As a spring valve, it controls the opening and closing of the valve through the force of the spring, so as to realize the one-way flow of fluid. When the fluid pressure in the system changes, the valve will automatically adjust according to the compression degree of the spring, thus preventing the liquid from flowing backward. In harsh environments such as high pressure and high temperature, it can also effectively control the flow of fluid and improve the stability and reliability of the system.
Features
Superior sealing performance: Check Valve Spring Type adopts a movable metal valve seat and has superior sealing performance and long service life. The disc has a short stroke and can be fully opened or quickly closed with a small strain difference, which means less closing impact and water hammer pressure.
Easy to use: the structural length of the valve is only 1/4 to 1/8 of the traditional flange check valve, and the weight is only 1/4 to 1/20 of the traditional flange check valve, so it can be used in many scenarios (horizontal/vertical pipes are applicable). In addition, this valve structure consists of only one valve body and one spring, so when installing and maintaining, you only need to disassemble the valve body to complete.
High durability: Check Valve Spring Type is made of high-quality stainless steel and other materials, which have high corrosion resistance and wear resistance, and can effectively prevent problems such as water leakage and leakage. The highly compressible spring allows easy control of different flow rates. In addition, we can customize valves with different specifications and materials according to customer requirements.
Connection | Wafer end |
Material | Stainless Steel, WCB |
Pressure | 0 to 64 bar |
Medium Temperature | -29 to 300℃ |
Mediums | Water, oil, air, gas, and other mediums |

Materials
No. | Part Name | Material |
1 | Body | CF8, CF8M |
2 | Disc | 304,316 |
3 | Spring | 304 |
4 | Baffle | CF8, CF8M |
Dimensions
SIZE | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | 2 1/2" | 3" | 4" | 5" | 6" |
D | 52 | 62 | 72 | 83 | 93 | 108 | 128 | 142 | 168 | 194 | 224 |
L | 25 | 25 | 30 | 32 | 38 | 45 | 50 | 60 | 75 | 85 | 102 |
Wt.(kg) | 0.3 | 0.4 | 0.6 | 0.8 | 1.3 | 2.3 | 3 | 3.8 | 5 | 12 | 16 |
NOTES: As we are constantly to improve the valve performance, so we keep the right to make alteration from time to time.