AVK DOUBLE ECCENTRIC BUTTERFLY VALVE, PN 10/16

Description

Key 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

Information

AVK double eccentric butterfly valves are designed with tilted and fixated disc for extended service life and easy operation. The disc seal is made of AVK’s drinking water approved EPDM rubber featuring an excellent compression set and thus ability to regain its original shape. The high quality epoxy coating and fully encapsulated shaft/disc connection ensure high durability. The valves are suitable for bi-directional application.Sizes above DN1200 available upon request.