Valves - On/
Off Isolation

Isolation valves are used for diverting process media, facilitating maintenance, equipment removal and shutdown. Summit has a diverse line of isolation valves to meet virtually any application.

What we offer

AWWA Valves
Butterfly valves shall be bubble tight against full rated pressure. Valves shall be constructed per AWWA C-504-00. Valves are suitable for bi-direction shutoff and throttling service.
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Ball Valves
Ball valves are durable and usually work to achieve perfect shutoff even after years of disuse. They are therefore an excellent choice for shutoff applications (and are often preferred to globe valves and gate valves for this purpose). More Info

 

Butterfly Valves
Butterfly valves shall be bubble tight against full rated pressure. Valves shall be constructed per AWWA C-504-00. Valves are suitable for bi-direction shutoff and throttling service.
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Check Valves
Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications.
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Double Block & Bleed Isolation
Because of the double port seals in both directions and the sealed isolation of the chamber below the plug and the areas around the plug, 90° to the port openings, a drainage connection into the plug cavity may be drilled and tapped through the body from the bottom. More Info

 

Knifegate Valves
Although Knife gate valves are designed for tough slurry applications, they can be utilized for many different applications. More Info




Needle Valves
A needle valve is a type of valve having a small port and a threaded, needle-shaped plunger. It allows precise regulation of flow, although it is generally only capable of relatively low flow rates. More Info

 

Pinch Valves
A pinch valve is a full bore or fully ported type of control valve which uses a pinching effect to obstruct fluid flow. Summit carries a diverse line of Air, manual and control pinch valves that are reliable and engineered for tough slurries.
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Plug Valves
Plug valves are valves with cylindrical "plugs" which can be rotated inside the valve body to control flow through the valve. The plugs in plug valves have one or more hollow passageways going sideways through the plug, so that fluid can flow through the open plug More Info

CGA approved
lubricated plug valves

Our line of lubricated plug valves available in reduced, full bore and 3-way, approved CGA and AGA. Also available are steam jackets for asphalt plants etc., and limit switches and locking devices. More Info

 

Slide gate (O-ported) valves
The slide through gate design cuts through solids and provides consistent operation in even the most difficult applications. O-Port style gates protect the seat face in open position, giving you longer service life. More Info

 

Slurry on/off isolation valves
Slurry on/off isolation valves provide exceptional performance and reliability. Isolation valves are a key component in any fluid system as they are used to stop the flow of fluid into a particular area of the system.
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Steam traps
Steam traps are used to discharge condensate and non condensable gases with a negligible consumption of live steam. Some steam traps are nothing more than automatic valves. They open, close or modulate automatically. Others are based on turbulent 2-phase flows to obstruct the steamflow.
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