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AVK WAFER BUTTERFLY VALVE, CONCENTRIC WITH LOOSE LINER, PN 10/16

DN 50-300, EPDM liner for drinking water, SS 1.4408 disc, square shaft

AVK UK Gas and Water Sales

AVK UK

Gas & Water Sales

Concentric butterfly valve with loose liner for drinking water and neutral liquids to max. 70°C

 

AVK’s Series 76 range of concentric butterfly valves are available in wafer and lug design with lever and gearbox. They provide a cost effective solution to our customers while also manufactured to the expected quality standard associated with the AVK brand. The design is with anti-blowout shaft, hexagon connection, low friction bearings and an EPDM liner with reinforced seating area and profiled flange gaskets.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Variant 76/70-002
Material: Ductile Iron
PN: PN 16

Features

Ductile iron body with long neck for insulation

Anti-blowout 2-stub shaft with uneven hexagon for safe assembly

Both shafts carried by low friction PTFE coated bearings

Loose liner of drinking water approved EPDM with reinforced seating area and integrated, profiled flange gaskets. The shaft holes are dimensioned to create compression around the shaft.

Slim disc design with internal hexagon for drive shaft connection

Dew point blocker for heat insulation from lever or wormgear

Anti blow-out plate at the top and a plug at the bottom

Two POM bearings and an EPDM O-ring at the top as backup sealing

350 μm epoxy coating, RAL 5017

Lever of high strength reinforced synthetic material with 10 position notch plate (DN 50-200)

Self locking gearbox with handwheel, adjustable end stops and mechanical position indicator (DN 250-300)

Downloads

Datasheet
Price list

Components

1. Plate POM
2. O-ring EPDM
3. Ring POM
4. Body Ductile Iron GJS-500-7
5. Bearing Bronze/PTFE composite
6. Drive shaft Stainless steel 1.4021
7. Liner EPDM
8. Disc Stainless steel 1.4408
9. Stub shaft Stainless steel 1.4021
10. O-ring NBR rubber
11. Plug POM
12. Screw Stainless steel A2

Test/Approvals

  • Tested according to EN12266-1. Seat: 1.1 x PN (in Bar), Body: 1.5 x PN (in Bar)

  • WRAS approved Materials

Standards

  • Designed according to EN 593
  • End connection to en-GB 1092-2 PN 6/10/16, ASME B16.5 Cl. 150
  • WIMES 8.09 Compliant
  • Drinking Water Inspectorate Regulation 31 compliant
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