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Just to let you know we’re still open for business as normal but working remotely with reduced warehouse staff.
However please note there may be a delay on some deliveries due to supply chain issues during the COVID-19 Coronavirus crisis.

Just to let you know we’re still open for Business as normal but working remotely with reduced warehouse staff.
However please note there may be a delay on some deliveries due to supply chain issues during the COVID-19 Coronavirus crisis.
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As a leading supplier of pneumatic instruments, we stock a wide range of specialist relays, including reversing relays, computing relays & adjustable relays as well as many others.

Our selection of specialist relays is designed and manufactured to the highest quality by Siemens and Fairchild, two of the biggest names in relay technology.

Can't find what you're looking for? Don't worry, as official Siemens & Fairchild relay distributors we can get you a specialist relay for any application. Give us a ring on +44 (0) 151 343 9966.

FAIRCHILD MODEL 24 - SNAP ACTING RELAY Model Number: 24

Maximum supply pressure 120 psig. Signal range 2' Water Column to 120 psig. Repeatability 0.2' Water Column. Adjustment range 2' W.C.-10 to 2.0-120. Inlet and Outlet 1/4' 3/8'.

SIEMENS MOORE PRODUCTS Model 62 63 66 661 Pneumatic Relays Model Number: 62 63 66 661

Maximum supply pressure 80 or 150 psig. Repeatability 1% Adjustment range 2' W.C.-10 to 2.0-120. Inlet and Outlet 1/4"

FAIRCHILD MODEL 90/91 - HI & LOW SELECTOR RELAY Model Number: 90/91

Maximum signal pressure 200 psig. Minimum switching differential less than .1 psig. Maximum differential between signals 100 psig. Port size 1/4' NPT/BSPT.

FAIRCHILD MODEL 21 - ADJUSTABLE RATIO RELAY Model Number: 21

Flow capacity 40 SCFM @ 100 psi supply, 20 psi set point. Sensitivity 0.5' Water Column. Supply pressure 250 psi maximum, Out let pressure 150 psi maximum. Ratio range 30:1 through 1:30. Pipe size 1/4' NPT - 3/8' NPT/BSPT.

FAIRCHILD MODEL 25 - REVERSING RELAY Model Number: 25

Flow capacity 40 SCFM @ 100 psi supply, 20 psi set. Sensitivity 1/8' Water Column. Supply Pressure 250 psi maximum. Output pressure 150 psi maximum. Adjustment range 0-10 psig to 2-150 psig. Pipe size 1/4' NPT - 1/2' NPT/BSPT.

FAIRCHILD MODEL 22 - COMPUTING RELAY Model Number: 22

Adjustable bias over range -18 to + 15 psig. Input and output pressure range 3-15 psig. Maximum operating pressure: Signal and output 50 psig Supply 150 psig. Pipe size 1/4' NPT - 3/8' NPT.

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