AVK 6" Water valve C509 AWWA

Description

Features:
Certified to NSF 61 by Underwriters Laboratories
All AVK gate series 45 valves meet or exceed the requirements of AWWA C509 and C515
Stainless steel stem -
standard
Lead free
Threads rolled in a separate cold pressing process to enhance strength
Rolled threads ensure smooth thread edges and low operating torques
Twice the yield strength required by AWWA eliminates bent and broken stems
Bronze stems are available
Stainless steel bolts -
standard
Packing gland bolts and bonnet bolts are stainless steel for corrosion resistance
Bonnet bolts are countersunk and capped with hot melt to totally isolate the bolts from corrosive environments
O-ring bonnet gasket wraps each bolt to prevent corrosion
Bonnet blow offs due to bolt corrosion eliminated
Fully encapsulated wedge with EPDM -
standard
Ductile iron wedge fully encapsulated in EPDM rubber with an integral bronze stem nut for optimum corrosion protection and precision wedge tracking
EPDM resists attack from chloramines
Ductile iron gland flange for protection should the valve be over-torqued in the closed direction - will not break or crack
Gland flange equipped with cast in lifting lugs for easy handling
Wiper ring - to prevent impurities from entering the stem and to protect the o-rings
Two o-ring stem seals to reduce friction and prevent wear and tear - replaceable under full pressure
Third o-ring stem seal protects upper stem from impurities entering from the water way
Coating to AWWA C550 - Electrostatically applied fusion bonded epoxy coating inside and outside for excellent corrosion resistance
100% testing - All valves tested to 250 PSI / 500 PSI as required by AWWA
Listed by UL, ULC and FM