These valves are widely used in all industries, frequently for high pressure and temperature conditions. Many trim combinations are available. The closing member on Gate valves is usually a wedge gate but for steam applications the parallel slide valve is often preferred because there is no wedging action involved which, in wedge gate valvess, can cause the gate to jam under certain differential temperature conditions. They can be supplied with screwed, flanged or weld ends.

Needle valves are smaller valves up to 2 inch size which are used for control applications. They are usually supplied with BSPF or NPT screwed ends but are also available with flanged or weld ends.
Gate, Clobe, Check & Needle Valves
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Needle Valve
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Check CR TD Valve
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Globe Valve
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Check Valve
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Check Angle Valve
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Needle Valve