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In urban water supply networks, industrial cooling water systems, sewage treatment, and fire protection systems, gate valves are core control devices ensuring the safe and stable transport of fluids. High-quality water supply gate valves not only achieve effective opening and closing control but also prevent water waste, insufficient system pressure, and equipment damage caused by media leakage. Therefore, selecting suitable and reliable gate valves for water supply systems is an extremely important task in the engineering design and procurement process.
Our recommended gate valves for water supply systems primarily feature ductile iron valve bodies and soft-seal structures. They are particularly suitable for water supply systems operating continuously for extended periods and offer the following core advantages:
| Performance Advantages | Description |
| Zero Leakage Design | EPDM rubber-coated valve plate ensures a stable seal |
| Low Flow Resistance | Full-bore design guarantees smooth water flow and improves delivery efficiency |
| Strong Corrosion Resistance | ≥250μm epoxy resin coating inside and out prevents rust and water pollution |
| Flexible Installation Environment | Available in exposed or concealed stem structures, suitable for above-ground or underground installation |
Low Maintenance Costs | Simple structure, easy opening and closing, requires minimal maintenance for long-term use.
| Application Areas | Recommendation Reasons | Problems Solved |
| Municipal Water Supply Networks | Reliable sealing, long service life | Reduces leakage rate, stabilizes urban water pressure |
| Industrial Circulating Water Systems | Superior corrosion resistance | Adaptable to long-term operation with various water media |
| Fire Protection Water Supply Systems | Rapid opening and closing, high pressure resistance | Ensure reliable startup in emergency situations |
| Water plants and pumping stations | Flexible installation is possible | Meets the flow scheduling requirements of large-scale pipeline networks |
To avoid incorrect selection leading to increased rework and maintenance costs later, it is recommended to evaluate from the following five aspects:
To ensure long-term reliable operation of the valve, please note the following points:

👍 Experienced and Supported After-Sales: WEIZODOM has over 25 years of experience in production, export, and installation, ensuring reliable production and quality. We specialize in water supply valve manufacturing and technical solutions, and have a comprehensive after-sales service and technical guidance team.
👍 Safe and Reliable, Averting Danger: It is a "safety switch" that can immediately cut off water flow in the event of a sudden pipe burst, protecting your property from loss. Its superior sealing performance fundamentally eliminates leaks, saving every drop of precious water resources.
👍 Long lifespan, lower total cost of ownership: Although the initial investment is slightly higher, the ultra-long design life (up to decades) and "maintenance-free/minimum maintenance" characteristics will save you the procurement costs of frequent replacements and high maintenance and repair expenses. In the long run, its comprehensive economic benefits far exceed those of ordinary valves.
👍 Ensuring water quality and protecting health: The smooth, mirror-like inner wall and the protection of a non-toxic epoxy coating completely eliminate rust and yellow water, ensuring that the water delivered to the user's end is clear, safe, and reliable, especially suitable for drinking water systems with extremely high hygiene requirements.
👍 Highly efficient operation and energy saving: The streamlined flow channel design minimizes head loss, reducing the pump head requirements. For large-scale water supply systems, this translates to considerable energy savings over long-term operation.
👍 Wide applicability, addressing diverse challenges: Whether it's municipal main pipeline networks, building fire protection systems, industrial park circulating water, or agricultural irrigation and wastewater treatment projects, we can provide valve models and solutions matched to specific operating conditions.

WEIZODOM has focused on manufacturing water supply valves for over 20 years, dedicated to providing stable, durable, and easy-to-maintain gate valves for various municipal and industrial water systems. If you are looking for a reliable valve supplier for your water supply project, please contact WEIZODOM. We will provide you with professional selection services, technical solutions, quick quotes, and after-sales support.