Worm Gear QT450 Flange Triple Eccentric Butterfly Valve - Butterfly Valves

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Worm Gear QT450 Flange Triple Eccentric Butterfly Valve
  • Worm Gear QT450 Flange Triple Eccentric Butterfly Valve
  • Worm Gear QT450 Flange Triple Eccentric Butterfly Valve
  • Worm Gear QT450 Flange Triple Eccentric Butterfly Valve
  • Worm Gear QT450 Flange Triple Eccentric Butterfly Valve
  • Worm Gear QT450 Flange Triple Eccentric Butterfly Valve
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Worm Gear QT450 Flange Triple Eccentric Butterfly Valve

  • Product description:

    DBV, which has two factories in China, can also make QT450 Triple Eccentric Butterfly Valve.

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Technical Standards:
Design Standard JB/T8527-97, API609
Flange Dimention GB/T9113, JB/T79.1-94, HG20592
Face-to-Face GB/T1221, API609
Pressure Test GB/T13927-92,ISO5208-93,JB/T9092-99, API598, JB/T79.1-94, HG20592
Main Performance parameters:
Nominal diameter DN(mm) Nominal Pressure PN(Mpa) Test pressure
Shell Test Seat Seal Test Air Seal Test Suitable medium Suitable temperature
20-200 0.25 0.375 0.275 0.5~0.8MPa Water,oil, steam, coal gas, acid, alkali -40~570
0.6 0.9 0.66
1.0 1.5 1.1
1.6 2.4 1.76
2.5 3.75 2.75
4.0 6.0 4.4
6.4 9.6 7.04
Main Parts and Materials:
Part Name Material
Body WCB, 25, A105, A352-LCB, A352-LCC, A350-LF2, A351-CF8, A351-CF8M, A182-F304,A182-F316,C95800
Disc WCB, 25, A105, A352-LCB, A352-LCC, A350-LF2, A351-CF8, A351-CF8M, A182-F304,A182-F316,C95800
Stem 2Cr13, 17-4PH, A350-LF2,A276-304,A276-316
Seal ring/Seat SS304, SS316, Stainless steel laminated with graphite, PEEK,NYLON,DEVLON,PTFE,PCTFE
Packing PFTE, Lw emission combined packing,Graphite
Bolt/Nut 35CrMo, 45, A193-B7,A193-B8, A194-2H, L7, A194-4, A320-L7, A194-4/ A193-B8,A194-8
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