Ductile & Cast Iron Solenoid Valves

LK series Cast Iron Assisted Lift diaphragm solenoid valves are an ideal more cost effective solution and are ideal for larger bore high flow low pressure applications such as gravity feed, closed loop and Vacuum systems. Assisted Lift solenoid valve sometimes referred to as a Hung Diaphragm or Kick Pilot Solenoid valves which do not require any pressure differential to operate. Sizes typically range from DN50 to DN250 and can handle pressures from Vacuum to 10 Bar. 

Cast Iron Direct Acting Piston Solenoid Valves allow for direct On/Off control without the need for pressure differentials and are an ideal solution for the Oil, Gas and Petrochemical Industry requiring large bore and higher pressure applications to 25 Bar. The direct acting piston solenoid valve design normally allows for many valve modifications to specifically suit the application in hand, for example and can be equipped with ATEX Coil, Manual Over Ride and Open and Closed Position Switches allowing remote confirmation of the valve position. Due to the direct acting design the coils are usually quite large and powerful up to 150 Watts and can require several Amps on low voltage applications such as 24vDC needing 6.25 Amps and are obviously more expensive than diaphragm versions.

BFE-D Ductile Iron pressure assisted solenoid and pressure control valves are coated internally and externally with an Epoxy Coating making it the ideal choice for mains water control. The patented cylindrical design and strong internal floating Piston System allows for easy shipping, handling and installation as the internal parts are rugged and do not suffer from being installed  or handled in any position. The external control pilot solenoid circuit can be removed and refitted when required, proving an exceptional benefit especially during maintenance routines. Pressure Range typically from 0.3 to 16 Bar and size ranges from Flanged DN50 to over DN450 and utilises the same control pipework across the range. Note these pressure assisted solenoid valve will require a minimum pressure differential as this is utilised to operate the main valve via the external control circuit and because of this are usually less expensive the assisted lift diaphragm valves and direct acting piston solenoid valve of similar size.

BFL-D Ductile Iron Epoxy Coated pilot operated pressure relief valve.

Designed to protect pipework and process systems for excessive pressure. The BFL-D Ductile Iron pressure relief valve will stay closed until the system pressure reaches the maximum pre-set pressure and at which point will quickly open releasing only excess pressure downstream thus protection the process system pipework from over or excess system water pressure damage.

When the excess pressure has been released the BFL-D ductile Iron pressure relief valve will slowly and carefully close in such a way as to prevent water hammer.

BFF-D Ductile Iron Epoxy Coated pilot water float valve.

Designed to control water level in a tank via a pilot or float control valve. The float control valve is fitted to a water tank at a pre-set level and is connected by single pipework to the main BFF valve. When the tank water level drops below its set level the float control valve drops and releases the back pressure holding the main BFF valve closed, which then opens to refill the water tank. When the level returns to the pre-set level the control float pilot valve rises and closes the circuit generating a back pressure which in turn directly causes the BFF main valve to shut and stop water refilling the tank any further.  (typically pilot float control valve is not included.

BFR-D Ductile Iron Epoxy Coated pilot pressure reducing valve.

Designed to reduce water system pressure downstream according to set pressure requirements. The water inlet pressure can fluctuate and peek above downstream system limits according to pump and water supply demands elsewhere, however the BFR-D pressure reducing valve will not be affected by this unstable inlet pressure and will maintain the pre set downstream pressure. In turn the BFR-D will maintain the pre set downstream pressure regardless of downstream flow demands and will easily maintain stable downstream pressure protecting downstream systems from excess water pressure damage.

BFS-D Ductile Iron Epoxy Coated pressure sustaining Valve.

Designed to maintain a constant pre-set upstream water pressure to prevent system pressure dropping below minimum pressure requirements. Water processing systems require a specific minimum system pressure but high demands downstream can cause this to drop dangerously low, for example for cooling systems. The BFS-D pressure sustaining valve will maintain this present water back pressure.