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AVK CENTRIC WAFER BUTTERFLY VALVE, PN10/16

Stainless steel disc, with loose EPDM liner, bare shaft

AVK headquater in Skovby Galten, Denmark

Contact

AVK International A/S

Bizonvej 1, Skovby, 8464 Galten, Denmark

Centric butterfly valve with loose liner and bare shaft - Wafer for wastewater treatment and HVAC to max. 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 820/00-026
Material: Ductile iron/ 1.4408 disc
DN: DN25 - DN1000
PN: PN16
Closing direction: Clockwise to Close

Features

  • Ductile iron with long neck for insulation
  • Loose liner of 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 2014/68/EC appendix 1
  • Other flange drillings on request

Downloads

Datasheet
Appendix
Installation
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
820-0025-00-511L0160002 25 PN16 PN16 30 101 51 110 122 65 50 1.0
820-0032-00-511L0160002 32 PN16 PN16 30 101 51 110 122 65 50 1.0
820-0040-00-511L0160002 40 PN16 PN16 33 108 55 130 142 65 50 1.3
820-0050-00-511L0160002 50 PN16 PN16 43 120 72 135 147 65 50 1.8
820-0065-00-511L0160002 65 PN16 PN16 46 138 82 150 162 65 50 2.3
820-0080-00-511L0160002 80 PN16 PN16 46 142 92 160 172 65 50 2.3
820-0100-00-511L0160002 100 PN16 PN16 52 162 110 180 192 90 70 3.9
820-0125-00-511L0160002 125 PN16 PN16 56 181 128 195 211 90 70 5.0
820-0150-00-511L0160002 150 PN16 PN16 56 205 141 210 226 90 70 5.9
820-0200-00-511L0160002 200 PN16 PN16 60 260 174 240 259 90 70 9.3
820-0250-00-511L0160002 250 PN16 PN16 60 310 201 279 303 155 125 17
820-0300-00-511L0160002 300 PN16 PN16 78 362 234 315 339 155 125 24
820-0350-00-01020160002 350 PN16 PN16 80 425 257 300 370 155 125 42
820-0400-00-01020160002 400 PN16 PN16 102 475 292 365 375 155 125 57
820-0450-00-01060031002 450 PN10 PN10 113 538 355 397 462 175 140 95
820-0600-00-01060031002 600 PN10 PN10 153 695 464 522 602 220 165 180
820-0700-00-01060031002 700 PN10 PN10 168 800 503 565 645 300 254 280
820-0800-00-01060031002 800 PN10 PN10 190 908 577 627 707 300 254 387
820-0900-00-01060031002 900 PN10 PN10 204 1015 643 696 776 350 298 502
820-1000-00-01060031002 1000 PN10 PN10 218 1133 693 745 845 350 298 710
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 for wastewater / pressure test EN12266-1
  • Approved according to PED.BD.000001, TÜV-Mark, EU pressure directive 2014/68

Standards

  • Designed according to EN 593
  • Face-to-face dimension according to DIN/EN 558-1, series 20 (K1)
  • End connection to EN1092-2 PN6/10/16, AS2129 TabD/E,ASME B16.1 CL150
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