NACE-compliant double block and bleed valves

 

DBBV: double block & bleed safety service valves are unveiled to deliver a second level of isolation often mandated by refineries and production facilities.

They comprise a secondary ball/sealing surface to retain pressure in the event that the first ball or sealing surface is damaged. With 4130 alloy steel service body, 17-4 stainless steel balls, Fluoroloy stem and seals, plus Viton O-ring — DBBV operates at up to 3,600 psi and 450°F./232°C. with seal options.

Additional safety double block & bleed valves information is free for the asking.

Rohrback Cosasco
11841 East Smith Avenue
Santa Fe Springs CA 90670

 

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