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Resilient Seal Gate Valve Suppliers in China | Durable Factory Direct Non-rising Stem Rubber Seated Valves
Product Specification
| Product Name | Gate Valve | Material | Ductile Iron/Carbon Steel / Stainless Steel |
| Type | General | Medium | Water/oil/gas/steam/chemicals |
| Size | DN100-DN2400 | Seal | Rubber |
| Operation | gear/pneumatic/electric | Standard | DIN/ANSI/GOST/JIS/BS |
Product Description
A gate valve serves as a pivotal device in fluid-handling systems across industries, from municipal water supply to industrial manufacturing. Constructed primarily from durable metals, it often adopts cast iron for cost-efficient performance in non-corrosive settings, carbon steel for enhanced structural strength under high pressure, or stainless steel to resist corrosive fluids like chemicals or saltwater.
Its design features simplicity paired with remarkable reliability. The key moving element is a flat or wedge-shaped gate that regulates flow by sliding vertically up and down within the valve body via a connected stem. The valve body acts as a robust protective enclosure, housing all internal components securely while maintaining tight sealing against external leaks.
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Important: Functionally, gate valves are engineered specifically for full opening or complete closure of pipelines. Throttling is strongly discouraged, as partial flow can cause excessive wear to the gate and sealing seat, leading to reduced service life.
A typical application is in water supply networks, where they shut off water flow during maintenance work or emergency repairs to ensure worker safety.
Operation is straightforward and intuitive: rotating the handwheel clockwise lowers the gate to close the valve, while counter-clockwise rotation lifts the gate to open it. This user-friendly mechanism makes it adaptable for both large industrial facilities and small-scale residential plumbing systems.
Frequently Asked Questions
💬 What materials are these gate valves available in?
These gate valves are constructed primarily from durable metals including Ductile Iron, Carbon Steel, and Stainless Steel to accommodate different pressure and corrosion requirements.
💬 Can a gate valve be used to regulate or throttle flow?
No. Throttling is strongly discouraged because partial flow can cause excessive wear to the gate and the sealing seat, which will significantly reduce the service life of the valve.
💬 How do you operate a gate valve?
Operation is simple: rotating the handwheel clockwise lowers the gate to close the valve, while counter-clockwise rotation lifts the gate to open it. It can also be operated via gear, pneumatic, or electric systems.
💬 What sizes and standards do you offer?
Our gate valves range in size from DN100 to DN2400 and conform to major international standards including DIN, ANSI, GOST, JIS, and BS.
💬 What media are suitable for these gate valves?
They are suitable for handling a wide range of media including water, oil, gas, steam, and chemicals.