Kennedy - Model C509 - 2`-12` Resilient Wedge Gate Valve
From Gate Valves
During the decade of the 1980’s, the waterworks industry was introduced to the Resilient Seated Gate Valve, a design principle that is dominant in preference for use in distribution systems. Kennedy Valve Company was at the forefront in this industry — wide movement by introducing the Ken Seal Series, AWWA C509 Resilient Seated Gate Valve.
Specifications
- Stems shall be cast copper alloy with integral collars in full compliance with AWWA. All stems shall operate with copper alloy stem nuts independent of wedge and of stem {in NRS valves).
- All stems shall have two O-rings located above thrust collar and one O-ring below. Stem O-rings shall be replaceable with valve fully opened and subjected to full pressure. The stems on 2' -12' shall also have a low torque thrust bearing located above and below the stem collar to reduce friction during operation.
- Waterway shall be smooth, unobstructed and free of all pockets, cavities and depressions in the seat area. Valves 2' and larger shall accept a full size tapping cutter.
- The body, bonnet and O-ring plate shall be fusion-bonded epoxy coated, both interior and exterior on body and bonnet. Epoxy shall be applied in accordance with AWWA C550 and beNSF61 Certified.
- Each valve shall have maker's name, pressure rating, and year in which it was manufactured cast in the body. Prior to shipment from the factory, each valve shall be tested by hydrostatic pressure equal to the requirements of AWWA C509 {and UL/FM where applicable).
- Valves shall have all component parts cast and assembled in the USA and shall be manufactured by American R/D.
Customer reviews
No reviews were found for Kennedy - Model C509 - 2`-12` Resilient Wedge Gate Valve. Be the first to review!