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Lug butterfly valve

Lug butterfly valve

  • Size:DN50-DN1200
  • Pressure:PN10,PN16,150LB,5K,10K
  • Body Materials:Ductile Iron,WCB,CF8,CF8M
  • Disc Materials:DI, CF8,CF8M, Duplex SS,Bronze
  • Seat Materials:NBR, EPDM, VITON, PTFE
  • Applicable Medium:Water, oil etc
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Description

Product Introduction

The Yifa lug butterfly valve has exquisite appearance design, small opening torque, and the valve body is sprayed with epoxy powder. The operation mode can be manual, worm gear, pneumatic or electric, the pressure range is PN1.0-1.6Mpa, the nominal diameter is DN50-2200mm, and the material can be cast iron, ductile iron, cast steel and stainless steel. It is widely used in general industries such as petroleum, gas, chemical industry and water treatment.

Product Features
  1. Yifa lug butterfly valve has GG25 Cast Iron Body (GGG40 Ductile Iron is optional).
  2. Different sealing materials are available, such as EPDM, NBR, PTFE, Viton etc.
  3. Compact design saves space, light weight, easy to install and budget friendly.
  4. With ISO5211 top ange, direct mounting of gearbox, pneumatic or electric actuator is possible without any need for additional parts.
  5. Anti blow-out stem allows safety during operation.
  6. No need for additional gaskets for installation on the pipeline.
Technical Parameters
Size L A B C d h1 h2 ISO5211 PN10 PN16 PN6 JIS5K JIS10K
mm in Top flange φE φC1 n1-φd1 PCD n-M PCD n-M PCD n-M PCD n-M PCD n-M
50 2 43 134.5 65 32 9 160 215 F05 65 50 4-8 125 4-M16 125 4-M16 110 4-M12 105 4-M12 120 4-M16
65 2.5 46 149.5 80 32 9 160 215 F05 65 50 4-8 145 4-M16 145 4-M16 130 4-M12 130 4-M12 140 4-M16
80 3 46 161 93 32 9 160 215 F05 65 50 4-8 160 8-M16 160 8-M16 150 4-M16 145 4-M16 150 8-M16
100 4 52 172.5 107 32 11 160 255 F07 90 70 4-10 180 8-M16 180 8-M16 170 4-M16 165 8-M16 175 8-M16
125 5 56 198 117 32 14 160 255 F07 90 70 4-10 210 8-M16 210 8-M16 200 8-M16 200 8-M16 210 8-M20
150 6 56 205.5 140 32 14 160 255 F07 90 70 4-10 240 8-M20 240 8-M20 225 8-M16 230 8-M16 240 8-M20
200 8 60 243.5 163 45 17 227 375 F10 125 102 4-12 295 8-M20 295 12-M20 280 8-M16 280 8-M20 290 12-M20
250 10 68 272 205 45 22 227 385 F10 125 102 4-12 350 12-M20 355 12-M20 335 12-M16 345 12-M20 355 12-M22
300 12 78 321 247 45 22 227 385 F10 125 102 4-12 400 12-M20 410 12-M20 395 12-M20 390 12-M20 400 16-M22
350 14 78 327 268 45 22 227 385 F10 125 102 4-12 460 16-M20 470 16-M20 445 12-M20 435 12-M22 445 16-M22
Technical Standard
  1. Design and manufacture according to API609.
  2. Face to face according to API609.
  3. End flange according to ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16.
  4. Pressure test according to API598.
  5. Top flange: ISO5211.

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