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Wafer Butterfly Valve Gear BVWNG050

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All pictures shown are for illustration purpose only. Actual product may vary due to product enhancement.

Size (mm)

  • Design and manufacture according to API 609
  • Face to face according to API609
  • Flange Drilling According to AS2129 Table E
  • Top flange drilling according to ISO 5211
  • Pressure test according to ISO5208

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DN L AS2129 TABLE E H1 H2 H3 ISO5211 ØZ
ØC n-Ød TOP ØN ØC1 n1-Ød1
50 43 114 4 ̵ 18 140 70 29 F05 65 50 4 ̵ Ø8 12.6
65 46 127 4 ̵ 18 155 79 29 F05 65 50 4 ̵ Ø8 12.6
80 46 146 4 ̵ 18 160 95 29 F05 65 50 4 ̵ Ø8 12.6
100 52 178 8 ̵ 18 180 107 29 F07 90 70 4 ̵ Ø10 15.77
125 56 210 8 ̵ 18 193 120 29 F07 90 70 4 ̵ Ø10 18.92
150 56 235 8 ̵ 22 200 139 29 F07 90 70 4 ̵ Ø10 18.92
200 60 292 8 ̵ 22 240 170 35 F10 125 102 4 ̵ Ø12 22.1
250 68 356 12 ̵ 22 272 200 35 F10 125 102 4 ̵ Ø12 28.45
300 78 406 12 ̵ 26 317 242 37 F10 125 102 4 ̵ Ø12 31.6
350 78 470 12 ̵ 26 368 267 45 F10 125 102 4 ̵ Ø12 31.6
400 102 521 12 ̵ 26 400 298.6 51.2 F14 175 140 4 ̵ Ø18 33.15
450 114 584 16 ̵ 26 422 318 51.2 F14 175 140 4 ̵ Ø18 38
500 127 641 16 ̵ 26 480 355 64.2 F14 175 140 4 ̵ Ø18 41.15
600 154 756 16 ̵ 33 562 444 70.2 F16 210 165 4 ̵ Ø22 50.65
 
Size (mm) Size (Inch) Code Weight (KG)
50 2" BVWNG050 7.84
65 2 1/2" BVWNG065 8.46
80 3" BVWNG080 8.60
100 4" BVWNG100 10.00
125 5" BVWNG125 13.70
150 6" BVWNG150 13.70
200 8" BVWNG200 25.00
250 10" BVWNG250 32.00
300 12" BVWNG300 45.00
350 14" BVWNG350 58.00
400 16" BVWNG400 107.00
450 18" BVWNG450 107.00
500 20" BVWNG500 160.00
600 24" BVWNG600 260.00
Parts Description Material
1 Body  Cast Iron
2 Disc SS316
3 Stem S416
4 Seat NBR*
5 Bushing PTFE
6 O-Ring EPDM
7 Pin

SS304
* Denotes  Available in NBR and EPDM
Nominal Pressure  PN16
Test Strength Test 2.4Mpa
Pressure Sealing Test 1.76Mpa
Max Working Temp.     ̶̶ 10ºC to +  90ºC 

Design Features and Advantages

  • Concentric design
  • Cartridge seat & groove locks boot seat
  • Replaceable seat
  • Standardized top flange for actuator adaption
  • Direct mounting of actuators without any additional brackets
  • Economy & high performance
  • Stems are blowout-proof type
  • Low maintenance design and long service life
  • High Cv, lower head loss results in energy savings for customer's system
  • Maximum flow and range ability is achieved with the use of a streamlined disc
  • Longer seat life with low operating torques is ensured by utilizing upper and lower stem bearings
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