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AVK CENTRIC WAFER BUTTERFLY VALVE, PN10/16

Stainless steel disc, with loose EPDM liner for high temperature, bare shaft, DN25-1000

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. 130° 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 820/00-024
Material: Ductile iron/ 1.4408 disc
DN: DN25 - DN1000
PN: PN10/16
Closing direction: Clockwise to Close

Features

  • Ductile iron body with long neck for insulation
  • Loose liner of EPDM for high temperatures 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
  • 200μ epoxy coating up to DN 400, 250μ polyurethane from DN 450
  • According to PED 2014/68/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		 Unbalance
pressure bar		 Actuator
Flange		 L
mm		 L2
mm		 H2
mm		 W2
mm		 F
mm		 F2
mm		 Theoretical
weight/kg		 Notes
820-0025-00-521L0160002 25 PN 10/16 16 F05 30 101 51 110 #8 12 1.0
820-0032-00-521L0160002 32 PN 10/16 16 F05 30 101 51 110 #8 12 1.0
820-0040-00-521L0160002 40 PN 10/16 16 F05 33 108 55 130 #8 12 1.3
820-0050-00-521L0160002 50 PN 10/16 16 F05 43 120 72 135 #11 12 1.8
820-0065-00-521L0160002 65 PN 10/16 16 F05 46 138 82 150 #11 12 2.3
820-0080-00-521L0160002 80 PN 10/16 16 F05 46 142 92 160 #11 12 2.3
820-0100-00-521L0160002 100 PN 10/16 16 F05/F07 52 162 110 180 #11 12 3.9
820-0125-00-521L0160002 125 PN 10/16 16 F05/F07 56 181 128 195 #14 16 5.0
820-0150-00-521L0160002 150 PN 10/16 16 F07 56 205 141 210 #14 16 5.9
820-0200-00-521L0160002 200 PN 10/16 16 F07 60 260 174 240 #17 19 9.3
820-0250-00-521L0160002 250 PN 10/16 16 F10/F12 68 310 201 279 #22 24 17 10 bar. working pressure also available
820-0300-00-521L0160002 300 PN 10/16 16 F10/F12 78 362 234 315 #22 24 24 10 bar. working pressure also available
820-0350-00-02020160002 350 PN 10/16 16 F12 80 425 268 330 #22 40 42 10 bar. working pressure also available
820-0400-00-02020160002 400 PN 10/16 16 F12 102 475 299 365 #27 40 57 10 bar. working pressure also available
820-0450-00-02060031002 450 PN10 10 F14 113 538 355 397 Ø45 65 95
820-0450-00-02060161002 450 PN16 16 F14 113 538 355 397 Ø45 65 95 10 bar. working pressure also available
820-0500-00-02060031002 500 PN10 10 F14 126 595 393 437 Ø45 65 125
820-0500-00-02060161002 500 PN16 16 F14 126 595 393 437 Ø45 65 120 10 bar. working pressure also available
820-0600-00-02060031002 600 PN10 10 F16 153 695 464 522 Ø70 80 180
820-0600-00-02060161002 600 PN16 16 F16 153 695 464 522 Ø70 80 180 10 bar. working pressure also available
820-0700-00-02060031002 700 PN10 10 F25 168 800 503 565 Ø70 80 280
820-0700-00-02060161002 700 PN16 16 F25 168 800 503 565 Ø70 80 265 10 bar. working pressure also available
820-0800-00-02060031002 800 PN10 10 F25 190 908 577 627 Ø70 80 387
820-0800-00-02060161002 800 PN16 16 F25 190 908 577 627 Ø70 80 343 10 bar. working pressure also available
820-0900-00-02060031002 900 PN10 10 F30 204 1015 643 696 Ø80 100 502
820-0900-00-02060161002 900 PN16 16 F30 204 1015 643 696 Ø80 100 493 10 bar. working pressure also available
820-1000-00-02060031002 1000 PN10 10 F30 218 1133 693 745 Ø80 100 710
820-1000-00-02060161002 1000 PN16 16 F30 218 1133 693 745 Ø80 100 648 10 bar. working pressure also available
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, high temp.
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 conn. EN1092-2 PN6/10/16, AS2129 TabD/E, ASME B16.5/B16.47 CL 150
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