Double Block and Bleed Plug Valve

Double Block And Bleed Plug Valve is also names General Valve or Twin Seal Orbit Plug Valve

Production Range:
Size Range: DN 1/2” to 20” , DN15-DN500

Pressure Range: 150Lb-900Lb

MATERIALS

• Available in Forging for NPS ≤ 2 (A105, A182 F304, F304L, F316, F316L, F51, F53, A350 LF2, LF3, LF5), Casting (A216 WCB, A351 CF3, CF8, CF3M, CF8M, A995 4A, 5A, A352 LCB, LCC, LC2), Monel, Inconel, Hastelloy

Technical Specifications:

The valve is designed and manufactured as per API6D

The flange connection size is as per ANSIB16.5,JB79,HG20592 and GB/T9113;

The valve’s structural length is as per ANSIB16.10,GB12221-89 and JB/T5298

The valve is checked and tested as per API598 and AP16D.

Features and Benefits:

1. Designed with two seated surface(slips)

2. When the valve is in close position, each individual seal is isolating to get rid of any leakage from downstream , upstream or from body cavity.

3. Compared to other types of DBB valves, Double Block and Bleed plug Valve has the Double Isolation and Bleed function and therefore it provides double security due to two seals that are independent on each other.

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