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Butterfly Valve Wafer Gear BVWEG050

An image of a butterfly wafer valve with a gear handle.
An image of a butterfly wafer valve with a gear handle.An image of a butterfly wafer valve with a gear handle.A technical drawing showing the dimensions of a butterfly wafer valve with a gear handle.
All pictures shown are for illustration purpose only. Actual product may vary due to product enhancement.

Size
Material

  • 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
    AS2129 TABLE E       ISO5211 Top Flange Shaft Size
DN L ØC n-Ød H1 H2 H3 Flange ØN ØC1 n1-Ød1 HxH ØC6
50 43 114 4 ̵ 18 140 70 29 F05 65 50 4 ̵ Ø8 9x9  
65 46 127 4 ̵ 18 155 79 29 F05 65 50 4 ̵ Ø8 9x9  
80 46 146 4 ̵ 18 160 95 29 F05 65 50 4 ̵ Ø8 9x9  
100 52 178 8 ̵ 18 180 107 29 F07 90 70 4 ̵ Ø10 11x11  
125 56 210 8 ̵ 18 193 120 29 F07 90 70 4 ̵ Ø10 14x14  
150 56 235 8 ̵ 22 200 139 29 F07 90 70 4 ̵ Ø10 14x14  
200 60 292 8 ̵ 22 240 170 35 F10 125 102 4 ̵ Ø12 17x17  
250 68 356 12 ̵ 22 272 200 35 F10 125 102 4 ̵ Ø12 22x22  
300 78 406 12 ̵ 26 317 242 37 F10 125 102 4 ̵ Ø12 22x22  
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) Imperial Size PN Code Seat Material Code Seat Material Weight (KG)
50 2" 16 BVWNG050 NBR BVWEG050 EPDM 7.84
65 2 1/2" 16 BVWNG065 NBR  BVWEG065  EPDM  8.46
80 3" 16 BVWNG080 NBR  BVWEG080  EPDM  8.60
100 4" 16 BVWNG100 NBR BVWEG100 EPDM 10.00
125 5" 16 BVWNG125 NBR BVWEG125 EPDM 13.70
150 6" 16 BVWNG150 NBR BVWEG150 EPDM 13.70
200 8" 16 BVWNG200 NBR BVWEG200  EPDM   25.00
250 10" 16 BVWNG250 NBR BVWEG250   EPDM  32.00
300 12" 16 BVWNG300 NBR BVWEG300  EPDM   45.00
350 14" 16 BVWNG350 NBR  BVWEG350  EPDM  58.00
400 16" 16 BVWNG400 NBR  BVWEG400  EPDM  107.00
450 18" 16 BVWNG450 NBR  BVWEG450  EPDM  107.00
500 20" 16 BVWNG500 NBR BVWEG500 EPDM 160.00
600 24" 16 BVWNG600 NBR  BVWEG600  EPDM  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