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Free-to-rotate solenoid housing for easy cable layout

01 March 2011

A new highly distinctive design concept allows Bifold’s solenoid valve housing to rotate with the housing to prevent cables being pulled out of the terminal block, to accommodate equipment building benefits.


The new valve technology can be mounted in any orientation to simplify and ease installation, along with a spacious enclosure for ease of wiring which, in turn, saves space and installation time.

The produce range includes solenoid valves for dry or moist air, gas and fluid control medias and with 316L stainless steel bodies, making this valve assembly the most universal type on the market. The solenoid design incorporates an armature plate coil holder mechanism which ensures the valve will operate in damp conditions and reducing the risk of corrosion to internal components. Other solenoid valve designs incorporate a solenoid core tube design that will only operate in dry air conditions, whereas in realistic terms, it is a known fact that air isn’t completely dry.

One of the commissioning and maintenance benefits of the FP Series solenoids is that there is no time penalty for heat dissipation before removing the solenoid cover, or the requirement for special high temperature cables. Simple maintenance is promised with the inclusion of a removable transient suppression diode, coil and solenoid without the need to remove the solenoid valve from the tubing.

The range has an operating temperature range of -60°C to + 95°C and worldwide approvals Ex d, and Ex ia and Ex emb. the product range is also available with a wide range of override options including Auto reset, Spring return manual override, Stayput manual override, Manual reset, Tamperproof manual latch and Latch energised.

Within the safety and environmental benefits, all the FP solenoid valve assemblies have SIL 3 third-party certification to IEC 61508. FMEA, extensive qualification testing, coupled with 100% computerised diagnostic test procedures ensure each valve assembly is proven along with confirmed safety factors.

Headquartered in the UK, The Bifold Group is a developer and manufacturer of pneumatic and hydraulic system component technologies for oil and gas upstream and downstream and power generation industries. Bifold products are delivered through a large manufacturing and distribution network.


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