• [alt2]
  • Ductile
  • Wafer

PTFE Wafer Butterfly Valve

  • Size Range:1 1/2"~24"(DN40~DN600)
  • Pressure:PN10, PN16, Class150
  • Body Materials: Ductile Iron
  • Seat Materials:PTFE
  • Disc Materials:DI/WCB/CF8/CF8M +PTFE lined
  • Stem Materials:SS416, SS304, SS316

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  • Product description
  • Technical parameters
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PTFE  wafer butterfly valve Features
●24 months guarantee
●Zero Leakage
●Bi-Directional
●Low Torque,long life cycle
●360°polished disc assures positive on-off
●Epoxy coated body,smooth surface
●Various kinds of materials,applicable to different medium

Seaworthy packing 

(1) PTFE wafer butterfly valve is packed with foam plastic bag. 

(2)Put sponge in each floor, 1.1*1.1*0.78m export plywood case; 

(3)One 20' container can in bulk loaded on 24pcs plywood cases more or less. 

(4)We can pack according to specific customer requests. 

(5)Customers' logos are available on package.
Standard Test
Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.
Seat Test: 1.1 times the working pressure with water.
Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.
Special Test: On request, any other test can be carried out according to special instruction by client. 

Application
●Water Treatment Plant
●Drilling Rigs
●Paper Industry
●Gas Plant
●Sugar Industry
●Cooling Water Circulation
●Breweries

SIZE A B C d0 PCD N-Q ISO5211 ∅K ∅E N-∅d1 B1×B1 L
DN40 120 57 33 12.6 110 4-19 F05 65 50 4-7 9×9 26
DN50 140 65 43 12.6 125 4-19 F05 65 50 4-7 9×9 26
DN65 150 75 46 12.6 145 4-19 F05 65 50 4-7 9×9 30
DN80 158 93 46 12.6 160 8-19 F05 65 50 4-7 9×9 30
DN100 176 109 52 15.77 180 8-19 F05 90 70 4-10 11×11 30
DN125 190 125 56 18.92 210 8-19 F07 90 70 4-10 14×14 30
DN150 211 140 56 18.92 240 8-22 F07 90 70 4-10 14×14 40
DN200 235 170 60 22.1 295 8-22 F07 125 102 4-12 17×17 40
DN250 265 205 68 28.45 350 12-22 F10 125 102 4-12 22×22 40
DN300 305 238 78 31.6 400 12-22 F10 125 102 4-12 22×22 40
DN350 368 267 78 31.6 460 16-22 F10 125 102 4-12 22×22 40
DN400 400 309 102 33.15 515 16-26 F14 175 140 4-18 27×27 50
DN450 422 328 114 37.95 565 20-26 F14 175 140 4-18 27×27 70
DN500 480 361 127 41.12 620 20-26 F14 175 165 4-18 36×36 80
DN600 562 459 154 50.62 725 20-30 F16 210 254 4-23 36×36 80



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