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Lever operated flange butterfly valve

Lever operated flange butterfly valve

Model:D41X

Size:DN50~DN200

Pressure:PN10, PN16, Class125

Temperature:≤120℃

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

Applicable medium:Food,medicine,chemical industry,petroleum,electricity,textile,paper water supply and drainage

Introduction

Size Range: 2~8"(DN50~DN200)

Pressure: PN10, PN16, Class125

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

Seat Materials: NBR, EPDM, VITON

Disc Materials: Ductile Iron, WCB, CF8,CF8M, Al-bronze C958

Stem Materials: SS416, SS304, SS316

End Connection: Flange

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

Features

1. Small in size and light in weight. Easy to install and maintain.Can be installed wherever needed.

2. Simple and compact construction, 90 ° rotating ,open and shut rapidly

3. Small operating torque, energy saving.

4. Discharge characteristic tend to straight line,good regulation performance.

5. Completely sealed, zero gas leakage test

6. The number of open and close test reaches as many as tens of thousands of times, long service life.

7. Applicable to a variety of medias when using different materials.

Technical parameters

 
SIZE A B C L DIN PN10 DIN PN16 Top Flange
mm in øK øE N-ød øK øE N-ød øD øD1 N-øG
65 2 1/2" 72 136 32 112 145 185 4-ø18 145 185 4-ø18 77 57 4-ø7
80 3" 88 146 32 114 160 200 8-ø18 160 200 8-ø18 65 50 4-ø7
100 4" 96.5 158 32 127 180 220 8-ø18 180 220 8-ø18 90 70 4-ø10
125 5" 115 179 32 140 210 250 8-ø18 210 250 8-ø18 90 70 4-ø10
150 6" 126 197 32 140 240 285 8-ø22 240 285 8-ø22 90 70 4-ø10
200 8" 161 230 45 152 295 340 8-ø22 295 304 12-ø22 115 89 4-ø14
250 10" 199 271 45 165 350 395 12-ø22 355 405 12-ø26 115 89 4-ø14
300 12" 215 305 45 178 400 445 12-ø22 410 460 12-ø26 140 108 4-ø14
350 14" 261 350 45 190 460 505 16-ø22 470 520 16-ø26 140 108 4-ø14

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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