The Series F44 is a fire-safe variant of the renowned Flowserve Worcester three-piece range of ball valves. It has been fire-tested in accordance with ISO 10497 and features graphite gland and body seals, 8 high tensile body connector screws for strength in fire conditions, and an integral location spigot machined on the body connector to ensure correct alignment of the fire lip to the ball in a fire.The design of the valve is such that graphite contamination of the media is now a thing of the past. Further benefits of this product include a mounting platform on the body for ease of ancillary mounting whilst retaining valve integrity, the three-piece valve’s inherent ease of maintenance and its compact and lightweight design.
The F44 is available in either stainless or carbon steel, a variety of end connectors and a range of sizes 8-50mm in a range of materials and with a variety of end connections. Also available as full bore up to 1.1/2″ as the F59 Series.
The F44 is fully PED (Pressure Equipment Directive) approved (97/23/EC).
Graphite gland and body seals for optimum valve integrity before and after a fire
Mounting platform on valve body for improved stem cycle life
Metal to metal ball / fire lip seal to minimise leakage through the valve
8 High Tensile bolts maintain integrity of pressure vessel during fire
Compact size takes less space
Lightweight minimises need for pipe supports
3-piece design for ease of maintenance
