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Full PTFE lined wafer butterfly valve

Full PTFE lined wafer butterfly valve

Model:D371

Size:DN50-DN600

Pressure:PN10,PN16,Class125

Temperature:-20℃-135℃

Body material:Cast Iron,Ductile Iron,WCB ,Stainless Steel

Applicable medium:Water,brine etc.

Introduction

Seat Materials: PTFE

Disc Materials: DI/WCB/CF8/CF8M +PTFE lined

Stem Materials: SS416, SS304, SS316

End Connection: Wafer

Operate: Manual, Worm gear, Pneumatic, Electric-Motorized

Disc type: One stem no-pin

Features

Single Eccentric Disc-Shaft

Anti-Blow Out Stem

Bi-Directional

Fire safe Design

Low Friction Body Seat

Zero Leakage

Technical parameters

 
SIZE A B C L DIN PN 10 DIN PN 16 ANSI 150B JIS 10K ISO 5211 Top Flange B1XB1
mm in øK N-ød øK N-ød øK N-ød øK N-ød øD øD1 N-øG
40 1.5" 67 141 32 33 110 4-ø18 110 4-ø18 98.5 4-ø16 105 4-ø19 65 50 4-ø8 F05 9X9
50 2" 67 141 32 43 125 4-ø18 125 4-ø18 120.6 4-ø19 120 4-ø19 65 50 4-ø8 F05 9X9
65 2½" 75 151 32 46 145 4-ø18 145 4-ø18 139.7 4-ø19 140 4-ø19 65 50 4-ø8 F05 9X9
80 3" 95 160 32 46 160 8-ø18 160 8-ø18 152.4 4-ø19 150 8-ø19 65 50 4-ø8 F05 9X9
100 4" 111 180 32 52 180 8-ø18 180 8-ø18 190.5 8-ø19 175 8-ø19 90 70 4-ø10 F07 11X11
125 5" 129 193 32 56 210 8-ø18 210 8-ø18 215.9 8-ø22.4 210 8-ø23 90 70 4-ø10 F07 14X14
150 6" 142 207 32 56 240 8-ø22 240 8-ø22 241.3 8-ø22.4 240 8-ø23 90 70 4-ø10 F07 14X14
200 8" 170 240 45 60 295 8-ø22 295 12-ø22 298.4 8-ø22.4 290 12-ø23 125 102 4-ø12 F10 17X17
250 10" 206 270 45 68 350 12-ø22 355 12-ø22 361.9 12-ø25.4 355 12-ø25 125 102 4-ø12 F10 22X22
300 12" 238 316 45 78 400 12-ø22 410 12-ø26 431.8 12-ø25.4 400 16-ø25 125 102 4-ø12 F10 22X22
350 14" 267 368 45 78 460 16-ø22 470 16-ø26 476.2 12-ø28.4 445 16-ø25 125 102 4-ø12 F10 22X22
400 16" 298 400 51 86 515 12-ø26 525 16-ø30 539.7 16-ø28.4 510 16-ø27 175 140 4-ø18 F14  
450 18" 318 422 51 105 565 20-ø26 585 20-ø30 577.8 16-ø31.8 565 20-ø27 175 140 4-ø18 F14  
500 20" 349 479 57 130 620 20-ø26 650 20-ø33 635 20-ø31.8 620 20-ø27 175 140 4-ø18 F14  
600 24" 410 562 70 152 725 20-ø30 770 20-ø36 749.3 20-ø35.1 730 24-ø33 210 165 4-ø22 F16  

Technical standard

Valve Design: API 609, MSS SP-67

Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1

Pressure Test: API 598

Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16

Top Flange: ISO5211

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