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AVK CENTRIC U-SECTION BUTTERFLY VALVE, PN10

Stainless steel disc, Loose EPDM liner, with bare shaft, DN150-400

AVK headquater in Skovby Galten, Denmark

Contact

AVK International A/S

Bizonvej 1, Skovby, 8464 Galten, Denmark

Centric butterfly valve with loose liner and bare shaft - U-section 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 820/20-026
Material: Ductile iron/ 1.4408 disc
DN: DN150 - DN1600
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

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		 Notes
820-0150-20-011L0160002 150 PN16 PN16 56 285 143 210 226 90 70 15
820-0200-20-011L0160002 200 PN16 PN16 60 340 170 240 259 90 70 20
820-0250-20-011L0160002 250 PN16 PN16 68 406 200 279 303 155 125 31
820-0300-20-011L0160002 300 PN16 PN16 78 482 239 315 339 155 125 44
820-0350-20-01020030002 350 PN10 PN10 80 533 257 330 370 155 125 59
820-0400-20-01020030002 400 PN10 PN10 102 597 292 365 375 155 125 82
820-0450-20-01060031002 450 PN10 PN10 113 640 355 397 462 175 140 118 250 my PUR coating on body
820-0500-20-01060031002 500 PN10 PN10 126 715 393 437 502 175 140 175 250 my PUR coating on body
820-0600-20-01060031002 600 PN10 PN10 153 840 464 522 602 220 165 260 250 my PUR coating on body
820-0800-20-01060031002 800 PN10 PN10 190 1060 577 627 707 300 254 510 250 my PUR coating on body
820-0900-20-01060031002 900 PN10 PN10 204 1070 643 696 776 350 298 660 250 my PUR coating on body
820-1000-20-01060031002 1000 PN10 PN10 216 1255 693 745 875 350 298 790 250 my PUR coating on body
820-1100-20-01060031002 1100 PN10 PN10 218 1395 738 820 920 350 298 850 250 my PUR coating on body
820-1200-20-01060031002 1200 PN10 PN10 254 1485 806 881 1001 350 298 1180 250 my PUR coating on body
820-1400-20-01060031002 1400 PN10 PN10 280 1746 908 990 1110 350 298 1700 250 my PUR coating on body
820-1600-20-01060031002 1600 PN10 PN10 318 1924 1048 1117 1272 418 356 2600 250 my PUR coating on body
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 EN 558 - Series 20
  • Standard flange drilling to EN1092-2 (ISO 7005-2), PN10
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