Double Block And Bleed Valve
Double Block And Bleed Valve (Twin Ball Design)
Features

Size: 2" - 24"
Class: 150 lbs - 2500 lbs
RF, RTJ, BW, G-HUB
Full and reduced bore
Anti - static device
Anti - blow out stem
Fire safe design
Emergency sealant injection
Double block and bleed
Single piston effect
Double piston effect

 
Specification
Design:

API6D, ASME B16.34

Fire safe design: API607
Testing: API6D
Face to face: ASME B16.10
Flange end: ASME B16.5
BW end: ASME B16.25