AVK GATE VALVE, FLANGED, PN10/16

Description

Key Features

• Fixed, integral wedge nut prevents vibration
• Polyamide wedge shoes protect the wedge rubber and provide low operating torque
• Stainless steel stem and brass wedge nut for high corrosion resistance
• Wedge rubber in drinking water approved EPDM
• A large conical stem hole in the wedge prevents stagnant water from accumulating inside the valve
• Stem nut in high strength alu-bronze
• Three independent stem seals: outermost a wiper ring protects against pollution entering from the environment, it is backed up by the two O-rings surrounding the radial bearing and innermost the main hydraulic seal to the flow consists of one or two O-rings
• Thrust bearing consisting of stainless steel discs coated with a low friction, self-lubricating bronze-PTFE composite
• Round NBR bonnet gasket fixed in a recess to avoid blow out
• Counterbored A2-70 stainless steel bonnet bolts encircled by the bonnet gasket and sealed with hot-melt glue
• ISO F16 actuator flange
• Integrated lifting eyes for easy handling
• Coating in 250 µm blue RAL 5017 fusion bonded epoxy (FBE) to GSK
• Installation with horizontal or vertical stem
• Stem cap
• Bosses for by-pass
• Sizes upto DN1000  available upon request

Information

AVK gate valves are designed with built-in safety in every detail. The wedge is fully vulcanized with AVK’s own EPDM rubber compound with WRAS and DVGW W270 drinking water approval. It features an outstanding durability due to the ability of the rubber to regain its original shape, the double bonding vulcanization process and the sturdy wedge design. The quadruple stem sealing system, the high strength stem and the thorough corrosion protection safeguard the unmatched reliability.

Standards

• Designed according to BS EN 1074 -1 and 2
• Face to face according to EN 558 Table 2 Basic Series 3
• Standard flange drilling to EN1092 (ISO 7005-2), PN 10/16
• WRAS Approved Product