Connexion Developments Ltd

Electric motor actuated ball valves with power open and close, failsafe return and modulating control and single or double acting air actuated ball and butterfly valves. Choose WRAS, Brass, Ductile Iron, Stainless steel or UPVC.

Pressure Reducing / Regulating valves (PRV), Pressure Sustaining / Back pressure valves (BPV) and Safety Pressure Relief / Limiting valves (PLV). 1/8 to 2 inch thread and DN15 to DN500 Flange in Bronze, Stainless steel and Ductile Iron.

Coaxial solenoid and air actuated 2/2 & 3/2 way, manufactured in Brass, Steel, 303 or 316 Stainless Steel with BSP, NPT thread, flange and manifold systems for pressure up to 300 Bar. Options for oil and grease free for Oxygen service up to 40 Bar, Water, Gaseous or vacuum, open and closed position feed back, Manual override and customised solutions.

Air actuated ball valves, pneumatic coaxial valves and angle seat piston valves are controlled via a compressed air supply Instead of an electrical supply can be either single acting (fail-safe return) or double acting (air to open and close) suitable for most applications.

Brass solenoid valves to suit most air, water, oil, steam, fluid and gas applications. Port sizes from M5 up to 3 inch, 2 and 3 way normally closed, normally open and latching function.

High Pressure solenoid valves up to 600 Bar, 2/2 and 3/2 way IP65 Safe area and ATEX hazardous area Exm, Exd and Exia protection.

Plastic solenoid valves, Nylon WRAS approved for drinking water or Delrin, PVC, PVDF and PTFE for acid and alkali gases and fluids. Options for normally open, normally closed and latching bi-stable functionality.

Stainless Steel 2,3 and 5 way solenoid valves IP65 or ATEX protected to suit most air, water, oil, RO water, steam and slightly aggressive media applications for M5 up to DN300 flange for pressures up to 600 Bar. 

Pressure reducing / pressure regulating valves (PRV) will reduce and maintain a stable outlet / down stream pressure regardless of upstream pressure changes. Suitable for air, water and fluid applications with manual or electric proportional control for pressures ranging from 0.05 to 200 Bar.

Solenoid valve coils according to size and power level, IP54, IP65, IP67, IP68 with DIN43650A, B + C connection available from 6v DC up to 380v 50/60Hz and ATEX Exm with 3 meter cable. We also stock explosion proof Exd coils from 12v up to 240v 50/60Hz and 24vDC Exia coils, both with M20x1.5 conduit entry.

2/2 way Latching / bistable nylon, brass and stainless steel solenoid valves sizes from 1/8 to 2 thread or flange. Require a short 20 millisecond power pulse to stay open, then a reverse polarity (swap +ve and -ve supply) short electrical power pulse to stay closed. Reverse the polarity again and repeat the sequence. Available voltages include 3 volts, 6 volts, 12 volts and 24 volts according to model.

Shako PU225 Brass solenoid valves sizes 3/8 to 2 inch, models PU225A 2/2 normally closed, PU225AN normally open, LPU225A latching and PU225D WRAS approved series. Pressure ranges from 0.5 to 15 Bar, sealing NBR, FKM, EPDM or HNBR, coil options 15 watt IP65 or ATEX EExmIIT4.

Shako PU220 brass solenoid valves, models PU220AR sizes 1/8 to 3/8 2/2 normally closed, PU220A sizes 3/8 to 1 inch 2/2 normally closed, PU220AN sizes 3/8 to 1 inch 2/2 normally open and PU220D WRAS approved sizes 3/8 to 1 inch. Pressure ranges from 0 to 16 Bar, sealing NBR or FKM, EPDM or HNBR. Coil options 15 watt, 18.5 watt and ATEX EExmIIT4.

Coalescing filters, activated carbon filters and 3 stage breathing air filter regulator coalescing + carbon filter sets for air filtration; water; oil and odour removal for the most demanding and sterile air, spray booth and breathing air applications.

Airline filters, regulators, lubricators and FRL combination sets for air compressor water separation, filtration, pressure control and lubrication for compressed air systems. Offer precise pressure control, rust dust particle water and oil removal. Port sizes 1/8 to 2" thread, standard 0.5-10 Bar and ATEX certified 316 stainless steel 0.5 to 60 Bar.

Pneumatic solenoid, mechanical and hand air control valves. Push/Pull, Rotary Lever, Twist Select, Push Button, Roller, Switch + Foot pedal 2/2, 3/2, 4/2, 4/3, 5/2 and 5/3 way and related airline accessories.