Non Rising Stem Valve Corrosion Protection

Non Rising Stem Valve Corrosion Protection

A concealed stem gate valve is a device that opens and closes a valve by rotating the valve stem. The valve stem nut is set on the gate plate, and the handwheel rotates to drive the valve stem to rotate, thereby lifting or lowering the gate plate and achieving the opening and closing of the fluid channel. Due to the fact that the valve stem is not exposed to the outside, it has good sealing performance and requires less installation space. In addition, concealed gate valves are widely used in industries, construction, and water conservancy.
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Description
Technical Parameters

Dark stem gate valve is a type of valve widely used in various fluid pipeline systems. Its main feature is that the valve stem is not exposed to the outside, but is opened and closed through rotation or lifting operation.

Valve stem form Valve stem lifting type Number of Rams Single gate
Lining material cast iron colour Customizable
type of shipping According to customer needs packing

Carton packaging, customized packaging

Based on customer needs

The structural characteristics of a concealed gate valve include that the internal channel of the valve body is a straight through type, so the medium flow is unobstructed and the resistance is small. Valve bodies are usually made of materials such as cast iron, cast steel, stainless steel, etc., which have high strength and corrosion resistance. The valve stem is installed inside the valve body, in direct contact with the medium, and the action of the gate is completed by rotating the valve stem.

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Design advantages
No concave cavity structure, the inner and outer surfaces of the valve cover are sprayed with epoxy resin for corrosion prevention
No gate slot design, minimal resistance, lightweight switch
Security and reliability
Reduce valve stem wear and corrosion, improve safety
Good corrosion resistance, scratch resistance, and wear resistance

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The design of the concealed gate valve is reasonable, with a compact structure, easy and flexible operation, small volume, smooth channels, low flow resistance, light weight, easy installation and disassembly. For example, the RVHX concealed rod elastic seat sealing gate valve uses high-quality rubber for overall internal and external sealing. The vulcanized gate plate can ensure accurate geometric dimensions, and is matched with a precision cast valve body to ensure reliable sealing and smooth fluid flow.

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In addition, the non rising stem gate valve also has the characteristic of corrosion prevention. The valve stem is hidden inside the valve body, reducing the contact area exposed to external media and effectively preventing the corrosion of the valve stem.

In summary, concealed gate valves have been widely used in industries, construction, water conservancy, and other fields due to their unique structural design, reliable sealing performance, and wide range of applications. Its reasonable design, convenient operation, and simple maintenance make it an indispensable and important equipment in fluid pipeline systems.

Q:Could you print our company LOGO on the nameplate and package?

A:Yes, we can do that.

Q:If l have a product wants to be made in other special material, can you do it?

A:Of course, you just need to provide us designed drawings or sample and R&D department will estimate that whether we can do or not, we will give you the most satisfactory reply.

Q:Do you accept custom design on size?

A:Yes, if the size is reasonabl.

 

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