Double Bleed&Block valve

Double Bleed&Block valve Flange end 150LB -2500LB Materal::A105,LF2,F11,F22,F316,F316L,F304,F304L,F51,F53,F55,F91 Good qualit

Double Bleed&Block valve

Flange type

1. Two or Three-piece body design

2. Double block and bleed or automatic pressure release in body chamber

3. Trunnion supported design reduces operating torque

4. Two sets of O-rings plus firesafe stem packing prevents leakage

5. Corrosion resistant low friction bearings

6. 17-4PH or Inconel seat springs

7. Sealant injection fittings for emergency stem or seal sealing

8. Direct mount topworks pad for actuator or gear operator

9. 8" & larger valves are equipped with lifting lugs

10. Locking device (lock not included)

11. NACE MR0175 (Superseded by ISO 15156)

12. Anti-blowout trunnion stem design

Standards

These valves comply with the applicable requirements of the following standards:

Design and manufacture:API6D,BS5351,API608,ASME 16.34

Face to face(end to end):ASME B16.10/API6D

Flange connection:ASME B16.5,26"-60" to ASME B16.47 or to API605 on request

Test and inspection:API598/API6D

Produce Ability

Size:NPS 2"-56"

Pressue:Class 150-2500

Material::A105,LF2,F11,F22,F316,F316L,F304,F304L,F51,F53,F55,F91

Double Bleed&Block valve