Flowserve Worcester 44 Series Ball Valve

Flowserve Worcester 44 Series Ball Valve

The Flowserve Worcester Series 44 three-piece Ball Valves are designed to ANSI B16.34 specifications with advanced seal technology. A body mounted bracket design provides superior performance and in-line repairability.

For price and availability please contact Sales@JeffMorrisLimited.co.uk

Product Description

The Flowserve Worcester 44 Series offer A superior 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 packing adjustments. All this developed by laboratory testing with full performance data. Multiple seat materials from polymer to metal to metal seating for a broad range of applications.

Jeff Morris Limited offers a complete line of pneumatic and electric actuation packages along with Switchboxes and Positioners for the Flowserve Worcester 44 Series Ball Valves.


Worcester A44 Reduced Bore Ball Valve


8mm – 50mm (1/4” – 2”)

Valve Features

3-Piece Design, with swing out centre section
Reduced Bore
Anti-Static Design
Live Loaded Stem

End Connections Available

BSP Parallel Threaded
BSP Taper Threaded
NPT Threaded
Butt Weld
Socket Weld ASME B16.11

Temperature Range

–30°C to + 260°C (depending on material & pressure)

Pressure Rating

69 BAR

Body & End Cap Material

Carbon Steel ASTM A105
Carbon Steel Steel ASTM A350 LCB
Stainless Steel ASTM A351 CF8M (316)
Nickel Aluminium Bronze

Ball Material

Stainless Steel 316
Nickel Aluminium Bronze

Stem Material

Stainless Steel 316
Nickel Aluminium Bronze

Seat Material

Virgin PTFE
15% Glass Reinforced PTFE
25% Glass Reinforced PTFE

Body Seal Material

Virgin PTFE

Stem Packing Material

35% Carbon Reinforced PTFE


ASME B16.34 class 600 rated
3Pc swing out design, tight shut off and bi-directional sealing
High performance stem seal and seat design and options
Designed for automation
Multiple end connections
Highly engineered with multiple approvals including FM and UL


Sizes from 1/4” to 2”
Rated to ASME class 600,
Materials include brass, carbon steel, stainless , Hastelloy® and Alloy 20,
End connections include SE,BW,TE,SW,SWO,TC,XBO,NP,
Variety of seat and seal options
multiple approvals from FM and UL

Product Literature: Worcester-A44-459-Sales-Brochure