Double Block & Bleed Valve

Double Block and Bleed Valve for Safety

Zipson’s double block and bleed valve (DBB valve) set is to use two block valves and one bleed valve as a unit. One block valve is to isolate the fluid or media from upstream side and the bleed valve release the remaining fluid, the second block valve close as the other safety unit for downstream.

DBB valves usually works for high pressure, toxic or dangerous processes.

305B, Double Block and Bleed Valve

Size: 1/2"~4"/ DN15-100
Design Feature:

● Body & end caps quality investment casting

● ANSI B16.34 construction

● 2160/ 2000 PSI, Class 900/ 800

● CRN registered

● Blow-out proof stem design

● Fire safe certified, with double seals

● High performance self adjusted stem design

● Thread/ SW/ BW/ Flange ANSI600/ 900

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207B, Double Block and Bleed Valve

Size: 1/2"~8"/ DN15-200
Design Feature:

● Body & end caps quality investment casting

● ANSI B16.34 construction

● With ISO 5211 mounting pad

● Blow-out proof stem design

● Working pressure: Class 150/ 300; PN16/ 40

● High performance self adjusted stem design

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