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AVK CENTRIC LUG BUTTERFLY VALVE, PN 10/16

Ductile iron disc, with loose EPDM liner, bare shaft

Contact

Pham Trung

Technical Manager

Centric butterfly valve with loose liner and bare shaft - Lug for wastewater treatment and HVAC to max. 90° 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 Rilsan coated ductile iron with smooth edges resulting in low torques.

Variant 820/10-033
Connection: Lug type
Material: Ductile iron body/GGG disc, Rilsan coated
DN: DN25 - DN600
PN: PN 16
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 Rilsan coated (200 μ) ductile iron with smooth edges reducing the friction between liner and disc
  • Low operating torques allowing use of cost-effective actuators
  • According to PED 2014/68/EC appendix 1
  • Other flange drillings on request

Downloads

Datasheet
Animation
AVK_Centric_butterfly_valve.mp4
Installation
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
820-0025-10-511E0160002 25 PN16 PN16 30 101 51 110 122 65 50 1.5
820-0032-10-511E0160002 32 PN16 PN16 30 101 51 110 122 65 50 1.5
820-0040-10-511E0160002 40 PN16 PN16 33 108 55 130 142 65 50 1.9
820-0050-10-511E0160002 50 PN16 PN16 43 116 72 135 147 65 50 2.4
820-0065-10-511E0160002 65 PN16 PN16 46 131 82 150 162 65 50 4.8
820-0080-10-511E0160002 80 PN16 PN16 46 188 88 160 172 65 50 4.0
820-0100-10-511E0160002 100 PN16 PN16 52 219 102 180 192 90 70 6.2
820-0125-10-511E0160002 125 PN16 PN16 56 248 116 195 211 90 70 7.7
820-0150-10-511E0160002 150 PN16 PN16 56 274 128 210 226 90 70 8.4
820-0200-10-511E0160002 200 PN16 PN16 60 72 161 70 240 332 90 17
820-0250-10-511E0160002 250 PN16 PN16 68 91 199 129 279 402 155 24
820-0300-10-511E0160002 300 PN16 PN16 78 472 234 315 339 155 125 32
820-0350-10-01010030002 350 PN10 PN10 80 520 257 330 370 155 125 55
820-0400-10-01010160002 400 PN16 PN16 102 584 290 365 405 155 125 75
820-0450-10-01040161002 450 PN16 PN16 113 655 355 397 462 175 140 150
820-0500-10-01040161002 500 PN16 PN16 126 712 393 437 502 175 140 170
820-0600-10-01040161002 600 PN16 PN16 153 829 464 522 602 220 165 240
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 AISI 420
5. Body Ductile iron GJS-400-15
6. Liner EPDM rubber
7. Disc Ductile iron, GJS-400-15 Rilsan coated

Test/Approvals

  • Hydraulic test according to EN 12266-1
  • Approved for wastewater / pressure test EN12266-1
  • Approved according to PED.BD.000001, TÜV-Mark, EU pressure directive 2014/68

Standards

  • EN 593
  • Face-to-face dimension according to DIN/EN 558-1, series 20 (K1)
  • Flange drilling to EN1092, PN10/16
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