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API Stainless Steel Welded Gate Valve


API stainless steel weld end gate valve is applicable for cutting and connecting medium in pipelines. This kind of API gate valve is often used in various pipelines in such industries as petroleum, chemical, pharmacy, electric power plants, etc. Such gate valves should not be used for regulating flow, unless they are specifically designed for that purpose.


1. Due to its high height, this weld end gate valve takes longer time to open and close, thus leading low frequency of water hammer phenomenon.
2. Characterizing simple structure and excellent technique, such API gate valves can be applied in various fields. And they are convenient to install and maintain.

Advantages of API Stainless Steel Weld End Gate Valve

1. Low opening torque.
2. High corrosion resistance of valve body.
3. Smooth and fine surface.
4. CNC machining of valve disc.
5. Excellent sealing performance, low friction and long service life.
6. 18 months’ free maintenance.

Main Components

API stainless steel welded gate valve is mainly composed of valve body, wedge disc, bonnet, gland, bolts and nuts, gasket, etc.


1. Before installing weld end gate valve, please check valve body, sealing surface and other parts to avoid any dirt attachment.
2. The installing position, height and the direction of entrance and exit should be complied with the design specifications. Bolts at any connection joint should be fastened.
3. When installing, some space should be left for this API gate valve to actuate.


1. If by-pass valve is combined with this weld end gate valve, the by-pass valve should be opened first to balance the entrance and exit’s pressure and reduce the opening force.
2. Hand wheel, handle, and transmission structure cannot be lifted up and down.
3. If API gate valves are used frequently, please lubricate them at least once per month. And they should be maintained regularly.

Payment, Package and Transportation

We accept such payments as T/T, D/P, D/A, or L/C. Our API stainless steel weld end gate valves will be packed in standard wooden boxes and delivered by railway, sea, or airplane.

Structure of API Stainless Steel Weld End Gate Valve