Male' Water & Sewerage Company Private Limited

AVK CENTRIC DOUBLE FL. BUTTERFLY VALVE

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Reference # 10000151 Model # Series 75/20 Brand AVK

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

Standards:

• Face to face according to EN 558 table 4 basic series 13
• Standard flange drilling to EN1092-2 (ISO 7005-2), PN 10/16

Test/Approvals:

• Hydraulic test according to EN 1074-1 and 2 / EN 12266.
• Approved according to DIN-DVGW Certificate NW-6201AP2412
• Approved according to KIWA Certificate K 6070/05

• Bonded vulcanized liner of drinking water approved EPDM with an excellent compression set and thus ability to regain its original shape
• Streamlined disc with minimum flow resistance
• Profiled disc edge requires minimal deformation of the liner to achieve tight sealing, and results in less wear of the liner
• Disc, shaft and conical pin of duplex steel in DN≤200. Disc of rilsan coated ductile iron, and shaft and conical pin of stainless steel in DN≥250
• Shaft bearings of PTFE coated steel
• Top shaft sealing: DN≤350: Bronze bushing with two EPDM O-rings, DN≥400: EPDM O-ring in bushing fixed with countersunk screws of galvanized steel
• Bottom shaft sealing: DN≤350: Plug of galvanized steel with a copper sealing ring, DN≥400: Axial bearing and ring of alubronze and an EPDM O-ring, protected by a cover plate of galvanized steel
• Low torques as a result of the profiled disc edge and fixed liner design
• Ductile iron body with 200 μ epoxy coating blue RAL 5017

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AVK CENTRIC DOUBLE FL. BUTTERFLY VALVE