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New ball and needle valve solutions from Bifold
The new compact design range of ball and needle valve products from Bifold have been developed for low/medium pressure applications with an operating range from 1,000 psi up to 10,000 psi and constructed from UNS S31600/S31603 stainless steel (alternative materials available), in compliance with NACE MR-01-75 as standard and with ¼” NPT up to 2” NPT within the range.
The ball valve range is available as a single-piece body design, reducing potential leak paths to the outside environment along with an anti-blow out stem and pressure energised stem seal which ensures seal integrity. The use of PEEK seat and stem seal materials allows operation over a wide temperature range from -20°C to +180°C, with alternative temperature range from -45°C to +225°C.
The unique design incorporates lower and consistent torque to operate and pressure tested in accordance with API 598 & BS EN 12266-1. Proof tested to 1.5 times of maximum working pressure as standard.
The needle valve range incorporates dynamic sealing which eliminates the loss of seal integrity and reduces the risk of fugitive emissions along with non-wetted parts. A compact design offers a light weight body with smaller envelope, enabling closer mounting and reduction in the overall panel size. Direct mount to the back plate is also standard which means that no panel cut-outs or spacers are required for vents and needle heads. The range also offers lower torque to operate – no need to mount on the back plate to counteract torque.