Plug valve

manualisolationdouble block-and-bleed

Double Block and Bleed Plug Valve Rapid seal abrasion is inherent in the designs of most ball and gate valves. AFC GENERAL VALVE Twin Seal double block-and-bleed (DBB) plug valve reduces this constant wear by using two seating slips mounted independently on a tapered plug by dovetails, which mechanically retract from the seating surface prior to rotating. This provides a bubble-tight verifiable dual seal without seal abrasion. AFC DBB expanding plug valves are ideally suited for product isolation, refining, fueling, metering, terminal and storage applications. • API 6D MONOGRAMMED • HIGHEST QUALITY PLUG VALVES AT THE BEST POSSIBLE PRICE • DELIVERED TO EXACTING CUSTOMER SPECIFICATIONS AND REQUIREMENTS • ENGINEERED, ASSEMBLED AND TESTED FOR YEARS OF TROUBLE FREE SERVICE 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″