Double Block and Bleed Plug Valve

Features that Add Value

– AFC Double Block & Bleed Plug Valve provides online-verifiable bubble tight sealing and is a safe and reliable replacement to the

conventional two-valve system

– High integrity positive shut-off obtained independent of line pressure, without sealants/ lubricants

Mechanical sealing ensuring online-verifiable positive double isolation for critical services

– Patented operator mechanism enables segments to move towards the seats during valve operation – reduces wear and tear and enhances service life

– Inbuilt cavity pressure relief system

– Inline Maintainable Seats -Seats can be renewed without removing the valve from the pipeline (after draining and isolating the line)

Standards Compliance and Design Features

● Design Standard: API 599,

● Flanged Ends: ANSI B16.5

● Face to Face: ANSI B16.10

● Testing: API 6D

● Rating : ANSI Class 150/300/600/900/1500

● Size :2″~24″

● Temperature Range :-20 Deg F(-29 Deg C) TO + 350 Deg F(+176.7 Deg C)

● A variety of body and trim material is offered, including carbon steel, Low Temp. Carbon Steel, Alloy Steel, Stainless Steel, Duplex

&Super Duplex Steel etc. Coatings may be provided for added corrosion or wear resistance. Hard-facing and weld overlays may also be

supplied. Seats Options with metal-to-metal or bubble-tight resilient.

● Connections : Flanged, Screwed, Welded (Butt, Socket)

● Hand wheel, enclosed gear operated or actuated