Gate Valve See Larger Image Gost Cast Steel High Pressure Stem

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
200 m.t.
Supply Capability:
100000 m.t./month

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Item specifice:

Material: Cast Iron Pressure: High Pressure Temperature of Media: Normal Temperature
Power: Manual Media: Water Connection Form: Thread
OD(Outer Diameter: inch): 200 Size(inch): DN50-DN200 Pressure(LB): 2000
Net Weight (kg): 11-58

Product Description:

1.Structure of the Gate Valve Description:
A gate valve, also known as a sluice valve, is a valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The gate faces can form a wedge shape or they can be parallel. Gate valves are primarily used to permit or prevent the flow of liquids, but typical gate valves shouldn't be used for regulating flow, unless they are specifically designed for that purpose.

2. Main Features of the Gate Valve:
1, Small fluid resistance >
2, A smaller external force required to open and close
3, Unrestricted flow of medium
4, The erosion of working medium in sealing surface is smaller than globe valve when open fully.                             
5.We offer the non-standard valves,according to customer requirements
6.If you want,you can have your own logo on the products
7.Export to mainly market: Russia and America
8.We can promise the quality

3. Images of the Gate Valve

 Gate Valve See Larger Image Gost Cast Steel High Pressure Stem.jpg

4.Specification of the Gate valve 

1.Reliable sealing
2.Good performance
3.Easy to open and close
4.Small volume
Detailed Product Description:
1) Screw-in Bonnet - Non-rising Stem - Solid Wedge - Threaded
2) Material: forged brass body for 1/2"~2",cast brass body for 2-1/2" ~4"Handwheel: steel or aluminum
3) 200 PSI/14 Bar Non-Shock Cold Working Pressure
4) Size Range - 1/2" - 4"
5) OEM: allowed to mark customer's logo on aluminum logo sheet
5.FAQ
1. What's are the characteristics of gate valve?
The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The gate faces can form a wedge shape or they can be parallel.
2. What is the work principle of gate valve ?
The gate faces can form a wedge shape or they can be parallel. Gate valves are primarily used to permit or prevent the flow of liquids, but typical gate valves shouldn't be used for regulating flow, unless they are specifically designed for that purpose. Because of their ability to cut through liquids, gate valves are often used in the petroleum industry.
3.  What is the structure?
Bonnets provide leakproof closure for the valve body. Gate valves may have a screw-in, union, or bolted bonnet. Screw-in bonnet is the simplest, offering a durable, pressure-tight seal. Union bonnet is suitable for applications requiring frequent inspection and cleaning. It also gives the body added strength. Bolted bonnet is used for larger valves and higher pressure applications.

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