AVK lug/wafer knife gate valves are bi-directional with full and plane bore. The protected sealings and high quality materials bring about a great performance and a long service life. AVK knife gate valves are available with lever, non-rising stem and handwheel, rising stem and handwheel, pneumatic actuator, ISO top flange for actuator or complete with electric actuator.
FEATURES
– Replaceable top packing gland enables sealing replacement without disassembly of the valve
– The valve is self cleaning as particles will be pushed off the gate when opening the valve. For
extra protection of the packing gland a scraper is available as an optional extra.
– Bi-directional, can be installed independent of the flow direction
– Full bore with no reduction of the flow
– Plane bottom prevents sediment from being accumulated
– No cavity in the body and thus no risk of clogging
– U-shaped one-piece NBR sealing between the body parts makes up for tolerances in coating and
casting. It is reinforced with a steel insert to protect it from being damaged during operation.
– Encaged stem with yokes prepared for mounting of micro switches and inductive censors
– Stem and gate connection is secured with self-locking nuts
– Supports integrated in the body casting protect the gate from deflecting under pressure
– Body of ductile iron with 100-150 μm UV resistant polyester coating, RAL 5017. Optionally of
acid-resistant stainless steel or duplex
– Yokes of carbon steel with coating 100-150 μm of plascoat PPA 571 Aqua
– Gate, stem, bolts and nuts of acid-resistant stainless steel
– Washers under the bolts protect the coating
– Slim design and low weight
– Approved according to the 2014/68/UE Pressure Equipment Directive
– Approved according to the 2014/34/EU ATEX Directive
– Available in larger dimensions
– Optionally in higher PN class
