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Worcester Series 44, 3 piece, non-extended stem ball valve

  • Worcester Ball Valve, Series 44
12.00 LBS
Calculated at checkout

Product Description

Body & Pipe Ends: Brass

Ball & Stem: 316SS with Upstream relief hole

Seats: Polyfill

Body Seals: Teflon coated metal

Pipe Ends: FNPT

Handle: Manual Lever



A quantum advance in ball valve durability, cycle life, leak tightness and automation.

Worcester’s Series 44 three-piece ball valves, for many years the most respected ball valve design in the industry, are now better than ever. A major research, design, and testing program brings you a new valve, designed to ANSI B16.34 specifications with advanced seal technology and body mount bracket design. This means a very strong, tough valve that can handle pressure and unforseen piping strains with a stem seal that extends operational cycle life and a stan- dardized overall design that keeps parts inventory to a minimum. Then there’s documentation. B16.34 means complete traceability of assembly and testing procedures, heat codes, and foundry identifica- tion. Full CMTRS (Certified Material Test Reports) on pressure vessel parts are optionally available. Valve identification is provided on a stainless steel nameplate meeting MSS SP-25.

High Performance

An improved stem seal design, consisting of live-loaded PEEK and Polyfill® thrust bearings and seals, significantly increases valve cycle life over conventional ball valves and extends time between adjust- ments. In manual valves, the two spring washers are compressed by two retaining nuts. A single Nylon-insert locking nut and four spring washers are used on automated valves.

Body Mounted Actuator Design

Actuators for Worcester's Series 44 three-piece valves are mounted on rigid, precisely machined, box-style brackets bolted to the valve center section. This brings a number of advantages to the valve user:

  • Actuator loads are on the valve body;

  • Actuators and brackets can be removed for service without affecting valve or piping integrity;

  • Easy access for stem seal adjustment;

  • Inventory simplification. Mounting brackets are common to three- piece and equivalent flanged valves. 




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