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DeZURIK
Catalog excerpts
DeZURIK 3-WAY AND 4-WAY PTW/PFW PLUG VALVES
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Design & Construction DeZURIK 3- and 4-Way valves are designed for throttling and diversion of clean, dirty, viscous and corrosive liquids; sludge, abrasive and fibrous slurries; and clean, dirty and corrosive gases. They feature single and double tapered plug styles, which can be arranged into a variety of flow combinations. Resilient seated plugs are available for dead-tight shutoff with lever and double handwheel actuators only. All metal plugs are available for high temperature applications but will not provide dead-tight shut off. Single handwheel and powered actuators are available...
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All-Metal Plugs All-metal plugs are available for high temperature or throttling applications. Metal plugs are furnished in the same material as the valve body, except cast iron valves which feature stainless steel plugs. All-metal plugs can be used with manual and powered actuators where dead-tight shutoff is not required. Choice of Body Materials The DeZURIK multiport line offers a variety of materials to meet the requirements of even the most difficult applications. Standard materials include cast iron, aluminum, carbon steel, and 316 stainless steel. Cast iron valves are available with...
Open the catalog to page 3
Flow Combinations Lift, Turn, Reseat Operation 3-Way 3 2 For tight shutoff, it is recommended that the flow be against the back side of the plug. 3 Lift, Turn, Reseat Operation Lever and double handwheel actuators provide lift, turn and reseat operation. The lever or top handwheel is used to lift the tapered plug away from the seat to provide clearance for easy operation. With the plug unseated, there is no binding or scraping between the plug and seat. At the desired flow position, the plug is reseated. For tight shutoff, it is recommended that the flow be against the back side of the...
Open the catalog to page 4All DeZURIK catalogs and technical brochures
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