Double Block and Bleed Valve
Channel:Straight Through Type
Type:Fixed Ball Valve
Dbb Valve Function:Double Block and Bleed
Specification:ASME, ANSI, DIN, GB, JIS, etc.
double block and bleed valve
BLOCK & BLEED Valve
A one-piece integral forging incorporating up 3 ball valve or mixture of ball and needle design.
1. Improved safety : leak paths reduced by up to 60%
2.Reduced costs : installation and component costs reduced by up to 70%
3.Reduced weight : by up to 80%
4.Reduced susceptibility to problems caused by vibration.
1. ANSI B16.5 flanged inlet connections 1/2" to 3" sizes.
2.Class 150 rated to class 2500 rated.
3.1/2"-14 to 1"-11.5 NPT(female) standard outlet
(depending on bore size).
4.1/2" NPT(female) standard vent.
5.Standard materials of connection: Stainless steel
ASTM A182 F316/F316L, Carbon steel ASTM
A350 LF2/A105, Duplex ASTM A182 F51.
6.Optional materials on request.
Stainless steel ASTM A182 F316/F316L.
Carbon steel ASTM A350 LF2/A105.
Duplex ASTM A182 F51.
7.Raised face and ring type joint flange face styles.
8.One-piece forged construction flange as standard.
9.Fire safe designed (and tested) to meet
BS 6755 Part 2/API 607.
10.304 stainless steel handles and trim as standard
to reduce the risk of corrosion.
11.Designed to meet the pressure and temperature
requirements of ASME/ANSI B16.34/B16.5.
12.Pressure boundary designs calculated to ASME
VIII Div 1 and verified by testing.
13.Heat code traceable material to EN 10204.3.1.
14.Bubble tight shut off.
15.locking and anti tamper devices for all valve
types available option.
16. Positive lever stop.
17. User preferred handles.
18. Permanent affixed reference label.