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China Cast Iron Flanged Silent Check Valve Factory - Water Medium, ≤50℃, DIN2501-PN10 Suppliers
Description
Quiet Operation
Specially designed for noiseless closure to prevent water hammer.
Specially designed for noiseless closure to prevent water hammer.
Durability
Manufactured from high-quality corrosion-resistant materials for long life.
Manufactured from high-quality corrosion-resistant materials for long life.
The Silent Check Valve is specially designed to provide quiet, smooth, and efficient backflow prevention in a wide range of pipeline systems. As one of China’s leading valve suppliers, we offer silent check valves that are ideal for water systems, HVAC installations, and various engineering projects where noise control and performance reliability are critical.
This silent check valve features a spring-assisted mechanism that ensures quick, noiseless closure when flow reverses, preventing water hammer and protecting pumps and equipment. Its compact, streamlined body allows for easy installation in both vertical and horizontal orientations.
Whether used in municipal water networks or building plumbing systems, this valve delivers outstanding performance under varying pressure and flow conditions.
This silent check valve features a spring-assisted mechanism that ensures quick, noiseless closure when flow reverses, preventing water hammer and protecting pumps and equipment. Its compact, streamlined body allows for easy installation in both vertical and horizontal orientations.
Whether used in municipal water networks or building plumbing systems, this valve delivers outstanding performance under varying pressure and flow conditions.
Materials
| Product Name | Material |
|---|---|
| Body | Cast Iron |
| Guide Pulley | GGG40 |
| Plug | Brass |
| “O”Ring | Rubber |
| Guide Sleeve | Brass |
| Spring | Stainless Steel |
| Gasket | Rubber |
| Disc | GGG40 |
Standard Materials Of Main Parts
| NO | PART NAME | MATERIAL |
|---|---|---|
| 1 | Body | Gg25 |
| 2 | Guide pulley | Ggg40 |
| 3 | Plug | Brass |
| 4 | O Ring | Rubber |
| 5 | Guide Sleeve | Brass |
| 6 | Spring | Stainless Steel |
| 7 | Gasket | Rubber |
| 8 | Disc | Ggg40 |
Dimensions (mm)
Company Profile
Tianjin Guoji Valve Co., Ltd. is an export-oriented valve manufacturer with 15,332 square meter factory area, which has strong capability of R&D, Manufacture, Trading and Service. Now our company has passed the Lloyd's Register (LR) ISO9001: 2015 quality management system certification and CE/PED certification.
TGV's products covered Butterfly valves, Check valves, Strainers, Gate valves, Ball valves, Globe valves, Expansion joints, Flanges and Fittings with pressure range from 0.5 to 6.4 MPa, size from DN15 to DN3000. The products also have been widely exported to more than 30 countries and regions.
TGV's products covered Butterfly valves, Check valves, Strainers, Gate valves, Ball valves, Globe valves, Expansion joints, Flanges and Fittings with pressure range from 0.5 to 6.4 MPa, size from DN15 to DN3000. The products also have been widely exported to more than 30 countries and regions.
Frequently Asked Questions
Q: What is the main advantage of a Silent Check Valve?
A: The primary advantage is its ability to close quickly and quietly before flow reversal occurs, effectively preventing water hammer and protecting the piping system.
Q: Can this valve be installed in any orientation?
A: Yes, its spring-assisted design allows for efficient operation in both horizontal and vertical positions.
Q: What industries are these valves suitable for?
A: They are ideal for HVAC systems, municipal water networks, building plumbing, and various industrial fluid control applications.
Q: Does Tianjin Guoji Valve hold international certifications?
A: Yes, we are ISO9001:2015 certified by Lloyd's Register and hold CE/PED certification for the European market.
Q: What is the size range available for your valves?
A: We offer a wide range of sizes from DN15 up to DN3000 to meet various engineering requirements.
Q: What materials are used for the valve body?
A: Standard bodies are made from high-quality Cast Iron (GG25) or Ductile Iron (GGG40) for durability and pressure resistance.















