Key Features That Makes Dual Expanding Plug Valve a Popular Choice


Double Block & Bleed (DBB) and even more Double Isolation & Bleed (DIB) service is a challenge in many applications. Drop-tight sealing on both the upstream and downstream side is essential in many sectors such as tank storage, loading/unloading stations, multi-product manifolds, metering stations, and so on. In order to get the desired service, a dual expanding plug valve is a wise choice. It is designed in a way that could offer double block and bleed service in one product. 


Upstream and downstream, Dual Expanding Plug Valve features a double block and bleed function. This is normally only possible with two (2) valves and a spool component with a drain valve. For a long time, using a double block and bleed valve will save money, space, and maintenance. Here in this post, you will learn some insights about the same. 

  • Friction Free- The sealing mechanism is a crucial feature of a valve. Shear force, friction, and tearing are used to seal almost all valves, including basic Ball, Gate, and Butterfly valves. The sealing mechanism relies solely on radial movement. Shear, friction, and tearing are not a problem for the sealing. This implies there is no abrasion on the seal, resulting in an exceptionally extended lifetime when compared to other types of valves.

  • In-Line Maintenance and Service- As the dual expanding is created for easy and low-cost maintenance, stem packing can be adjusted while the valve is in service. Valves are executed with a back seat. While the valve is inline, top and bottom entry are possible. No special tools are required. 

The above-mentioned are the two features that make Dual Expanding Plug Valve an ideal choice. It provides the service one-two valve in one frame. Also, there is no danger for line slam, shock, or injury to personnel. To purchase the one, look around and find the trusted manufacture for the same.  

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