DBB Plug Valve Type 55

Main Features

Standard face to face dimensions for Class 900 (API 3000) and upwards allowing for easy retrofit
Space and weight saving true compact design
Primary seals: metal to metal
Secondary seals: lubricant
Double block and bleed
Two independent closing members
Blow-out proof stem with three unique seals
Protection against overpressure in internal cavities
Excellent flow characteristics
Fire safe tested (acc. to API 6FA and BS 6755
All standard sizes and pressure stages/classes
End connections as desired (Flange, Clamp, Welding ends etc...)
Broad selection of materials
90° turning of the plug to open/close
Low operating torque
Direct or worm gear operation
Vertical or horizontal gear - operating stem
Can be installed in any position required