Resilient Seated High Performance Butterfly Valve
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Resilient Seated High Performance Butterfly Valve

Applications

Resilient seated high performance butterfly valve can be used in water conveyance systems, seawater pipeline systems, gas pipeline systems, powder transfer systems and weak acid-base transport systems.

Basic Information
Size Range
DN50-DN300
Temperature Range T
0-100℃
Maximum Allowable Operating Pressure PN
1.0-1.6Mpa
Pressure Rating
1.5-2.4Mpa (Shell)
1.1-1.76Mpa (Seal)
Applicable Media
Freshwater, seawater, air, weak acid-base, and so on.
Materials
No. Part Material No. Part Material
1 Valve Body and Valve Bonnet QT450 6 O-Ring EPDM
2 Valve Disc QT450+EPDM 7 Packing PTFE
3 Valve Stem 2Cr13 8 Bolts Stainless Steel, 45#
4 Valve Stem Nuts Aluminum Bronze 9 Nuts Stainless Steel, 45#
5 Gland QT450 10 Valve Handwheel WCB
Specifications
Specifications
Size L H D d c g n-Ød T f
PN10/16 PN10/16 PN10 PN16
DN50 178 241 138 158 125 99 4-Ø18 4-Ø18 17 2
DN65 190 270 173 180 145 118 4-Ø18 4-Ø18 17 2
DN80 203 292 173 196 160 132 4-Ø18 8-Ø18 19 3
DN100 229 333 200 215 180 156 8-Ø18 8-Ø18 20 3
DN125 254 384 230 250 210 184 8-Ø18 8-Ø18 20 3
DN150 267 420 230 280 240 211 8-Ø23 8-Ø23 20 3
DN200 292 512 270 336 295 266 8-Ø23 12-Ø23 21 3
DN250 330 602 350 405 350/355 319 12-Ø23 12-Ø25 25 3
DN300 356 705 350 460 400/410 370 12-Ø23 12-Ø25 28 4
DN350 381 782 450 515 460/470 430 16-Ø23 16-Ø25 28 4
DN400 406 880 480 580 515/525 475 16-Ø25 16-Ø30 28 4
DN450 432 980 600 650 565/585 530 20-Ø25 20-Ø30 29 4
DN500 457 1055 600 670/715 620/650 580 20-Ø25 20-Ø34 29 4
DN600 508 1260 600 780/810 725/770 680 20-Ø30 20-Ø40 38 4
Certifications
Item Standard Operational Standard
Design & Manufacture GB12234 ∕
Face to Face Dimension GB12221-89 ∕
Flange Connection JB/T-79 ∕
Valve Test JB/T-9092 ∕
Features
  • Excellent sealing performance: Soft sealing materials are used as sealing elements, and these materials have excellent elasticity and sealing performance, effectively preventing fluid leakage.
  • Wider applicability: Due to the characteristics of the materials, resilient seated butterfly valves can be used in water conveyance systems, seawater pipeline systems, gas pipeline systems, and powder transport systems.
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