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AVK CENTRIC LUG BUTTERFLY VALVE, PN10/16

Loose EPDM liner for drinking water, with gearbox, DN25-400

AVK headquater in Skovby Galten, Denmark

Contact

AVK International A/S

Bizonvej 1, Skovby, 8464 Galten, Denmark

Centric butterfly valve with loose liner and gearbox - Lug for drinking water and neutral liquids -20 - 95°C

AVK centric butterfly valves with loose liner are available in wafer, lug and U-section design with a wide standard range of actuators. The butterfly valves are designed with square driven anti-blowout shaft and slim disc of acid-resistant stainless steel with machined and polished disc edges resulting in low torques.

Variant 820/10-007
Material: Ductile iron/ 1.4408 disc
DN: DN25 - DN400
PN: PN16
Closing direction: Clockwise to Close

Features

  • Ductile iron with long neck for insulation
  • Loose liner of drinking water approved EPDM with integrated gasket faces and “saw profile” for optimum grip in body
  • Square driven anti-blowout shaft in one-piece design up to DN 400, and from DN 450 with key and keyway in two-piece stub design with two self-lubricating bearings
  • Slim disc of acid-resistant stainless steel with machined and polished edges reducing the friction between liner and disc
  • Low operating torques allowing use of cost-effective actuators
  • 200 μ epoxy coating up to DN 400, 250 μ polyurethane from DN 450, optionally other coatings
  • According to PED 97/23/EC appendix 1

Downloads

Datasheet
Installation
Appendix
Animation
AVK_Centric_butterfly_valve.mp4
Certificate(s)

Reference nos. and dimensions:

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AVK ref. no. DN
mm		 Product
PN Class		 Flange
drilling		 L
mm		 L2
mm		 H2
mm		 W2
mm		 W3
mm		 W
mm		 W1
mm		 Theoretical
weight/kg
820-0025-10-04020160003 25 PN16 PN10/16 30 101 51 110 187 172 141 2.2
820-0032-10-04020160003 32 PN16 PN10/16 30 101 51 110 187 172 141 2.2
820-0040-10-04020160003 40 PN16 PN10/16 33 108 54 130 207 175 141 2.8
820-0050-10-04020160003 50 PN16 PN10/16 43 116 72 135 212 179 141 4.0
820-0065-10-04020160003 65 PN16 PN10/16 46 131 82 150 227 187 141 4.8
820-0080-10-04020160003 80 PN16 PN10/16 46 188 92 160 237 215 141 6.9
820-0100-10-04020160003 100 PN16 PN10/16 52 219 102 180 257 231 141 9.3
820-0125-10-04020160003 125 PN16 PN10/16 56 248 120 195 272 245 141 11
820-0150-10-04020160003 150 PN16 PN10/16 56 274 133 210 317 316 171 12
820-0200-10-04020030003 200 PN10 PN10 60 332 163 240 347 345 171 21
820-0250-10-04020030003 250 PN10 PN10 68 402 196 279 432 410 231 30
820-0350-10-04020030003 350 PN10 PN10 80 520 257 330 570 636 363 62
820-0400-10-04020030003 400 PN10 PN10 102 584 292 365 705 688 463 80
2D/3D drawings
Enquiry
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Components

1. Bolt Stainless steel A2
2. Washer Stainless steel A2
3. O-ring NBR rubber
4. Shaft Stainless steel 420
5. Body Ductile iron GJS-400-15 (GGG-40)
6. Liner EPDM rubber
7. Disc Stainless steel 316

Test/Approvals

  • Hydraulic test according to EN 12266-1, P10/P12
  • Approved according to SVGW Certificate No. 9901-4048

Standards

  • Designed according to EN 593
  • Face-to-face dimension according EN 558 - Series 20
  • Standard flange drilling to EN1092-2 (ISO 7005-2), PN10/16
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