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Resilient Seal Gate Valve - Durable DI & SS Options from China Suppliers and Factory for Reliable Fluid Control
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.
Important Operation Note: 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 used to construct these gate valves?
These gate valves are constructed from durable metals, including Ductile Iron, Carbon Steel, and Stainless Steel, depending on the pressure and corrosiveness of the media.
Can these gate valves be used for flow throttling?
No, throttling is strongly discouraged. Gate valves are designed specifically for full opening or complete closure. Partial flow can cause excessive wear to the gate and sealing seat, reducing the valve's service life.
What are the available sizes and standards?
The valves are available in sizes ranging from DN100 to DN2400 and conform to international standards including DIN, ANSI, GOST, JIS, and BS.
How is the gate valve operated?
Operation is simple and intuitive: rotating the handwheel clockwise lowers the gate to close the valve, while counter-clockwise rotation lifts the gate to open it. Gear, pneumatic, and electric operation options are also available.
What media are these valves suitable for?
They are suitable for a wide range of media including water, oil, gas, steam, and various chemicals.