Full Port ECCENTRIC Plug Valve

The Henry Pratt criteria of quality, reliability, safety and value are embodied in the Ballcentric® Eccentric valve, setting higher standards for dependable performance with excellent features achieved by the utilization of the very latest design and manufacturing techniques. Computer Aided Design High Integrity Casting CNC manufacturing delivers consistent sizes on all components All complemented by rigorous Quality Control System.

Pratt Full Port ECCENTRIC Plug Valve Body:

Conforming to AWWA C504 wall thickness, the BALLCENTRIC valve body casting is in ASTM A126 CL B cast iron using high pressure molding techniques. Flanged or mechanical joint ends are available. Other materials are available upon request. Flange diameter, thickness and drilling conform to ANSI B16.1 Class 125. Mechanical joints conform to AWWA C111 (ANSI A21.11).

Full Port ECCENTRIC Plug Valve Seat:

The BALLCENTRIC valve incorporates as standard, on 3” and larger, a 1/8” thick welded 99% nickel seat for corrosion and erosion resistance specifically profiled for low torque and extended seat life.

Full Port ECCENTRIC Plug Valve Plug:

Supported on integral trunnions, the plug is totally encapsulated with an elastomer that is molded to the casting providing tight shut off even under vacuum conditions. High integrity corrosion-free sealing is achieved by a variety of abrasion resistant elastomers which protect the plug right up to the trunnions. When assembled, the light compression of the elastomers onto PTFE thrust washers, prevents entry of abrasive materials into the bearings.

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