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> Fairchild model 21 pneumatic control ration relay air
Fairchild model 21 pneumatic control ration relay air
This is for 1 used Fairchild air control relay. Air bias operation. Model 21, 1/4" ports, 250 psi max supply, 150 psi max output and signal. Can provide 30:1 ratio adjustable to 1:30 ratio. 40 SCFM. Bias requires 3 psi to operate.
http:// /products/62/Adjustable_Ration_Relay.php
1 used and one new avialable at time of listing.
New relay is on another listing unless sold.
