PRODUCTS

Butterfly Valve, Wafer, NBR seat


Wafer w/ centering holes for PN10/16, NBR seat

Application: Liquids, gases or powdered media (depending on seat type)

  • Double O-ring seal in stem, bottom bearing in bronze, bushing and top bearing in Delrin, bushing ensures long life
  • Short face to face and low weight
  • Exchangeable seat
  • Actuator flange ISO 5211 for easy mounting of pneumatic or electric actuator


General Data

Type: 3530
Material: Cast iron ASTM A 126-B w/ blue coating
  (Ductile cast iron ASTM A395 ≥ DN700)
Pressure class: PN16: DN40 - DN600
  PN10 ≥ DN700
Disc: Stainless steel AISI 316 
  (ΔP 16bar DN40-100   ΔP 10bar ≥ DN125)
Stem: Stainless steel AISI 410
Lever / positioning template: DN40 - DN300: FCD 45-SG iron / Galvanized Steel
Gearbox: DN200 - DN300: SG iron
Seat: NBR
Face to face: DIN 3202-K1 / ISO 5752 table 5 short
Actuator flange: ISO 5211
Connection: Mounting between DIN flanges PN10/16 
Temperature: NBR: -10°C to +80°C
Options: Pneumatic or electric actuator
  Lugged type
  Seat type (EPDM, Viton)
  Disc material (Al-Br, SG iron)

 

 

 

 


 

NBR seat
DIMENSIONS (mm) Kv TOP FLANGE WEIGHT
Item No. DN L H m³/h ISO 5211 kg
15353040 40 33 120 113 F07 2.0
15351050 50 43 143 193 F07 3.6
15351065 65 46 155 315 F07 3.8
15351080 80 46 162 425 F07 4.0
15351100 100 52 181 723 F07 5.3
15351125 125 56 197 1243 F07 7.3
15351150 150 56 210 1859 F07 8.2
15351200 200 60 243 3124 F10 13.5
15351250 250 68 286 4757 F10 21.8
15351300 300 78 309 7058 F10 32.5
15350356 350 78 329 8319 F12 48
15350357 400 102 393 11458 F12 60
15350358 450 114 393 13612 F14 80
15350359 500 127 427 18748 F14 125
15350360 600 154 492 25217 F16 200
15350380 700 165 563 36821 F16 395
15350381 750 190 585 39062 F25 490
15350382 800 190 630 45995 F25 580
15350383 900 203 660 61044 F25 730
DIMENSIONS (mm) TOP FLANGE WEIGHT
Item No. DN T A Stem ISO 5211 kg
40106050 40-100 200 68 11 x 11 F07 0.7
40106100 125-150 250 68 14 x 14 F07 0.8
40106150 200 355 75 17 x 17 F10 1.6
40106200 250 355 75 19 x 19 F10 1.6
40106300 300 355 75 22 x 22 F10 1.6
DIMENSIONS (mm) TOP FLANGE WEIGHT
Item No. DN A/B E Stem ISO 5211 kg
40105100 40-100 81/150 155 11 x 11 F07 3.3
40105150 125-150 81/150 155 14 x 14 F07 3.3
40105200 200 91/200 195 17 x 17 F10 7.5
40105250 250 91/200 195 19 x 19 F10 7.5
40105300 300 91/200 195 22 x 22 F10 7.5
40105350 350-400 88/310 232 27 x 27 F12 9
40105400 450-500 117/400 280 36 x 36 F14 22
40105600 600 127/400 307 46 x 46 F16 35
40105700 700 127/400 307 ⌀ 70 F16 35
- 800 145/400 370 ⌀ 80 F25 109
- 900 145/400 370 ⌀ 85 F25 109