AVK DOUBLE ECCENTRIC BUTTERFLY VALVE, PN 10/16

Features

• The tilted disc releases the compression of the disc sealing after a few degrees of opening, which extends the durability and gives low operating torques
• The disc is fixated to prevent wear and fluttering
• The disc seal profile and rubber quality ensure low closing torques
• All rubber parts are multi approved
• Seal retainer ring of stainless steel
• The threaded bolt holes in the disc are corrosion protected with O-rings
• Machined and epoxy coated ductile iron seat integrated in the body
• Shaft of stainless steel with self-lubricating bearings
• The shaft ends are fully encapsulated in the disc and are fixed with dowels corrosion protected with O-rings and a stainless steel security plate. Key and keyway as backup
• Replaceable shaft sealing with two EPDM O-rings on each side of a bronze bushing, and a flat NBR gasket
• Optional locking device
• DN 700-1600, body and disc coated with fusion bonded epoxy (FBE) to DIN 30677-2, GSK approved, blue RAL 5017, according to WRAS-DVGW/W270/UBA
• DN ≥ 1800, body and disc coated with 2-pack epoxy, blue RAL 5017 externally, ribbon blue or cream white internally, according to WRAS