Kele Product UCP-722 Transducer 326010-701 This blade is designed for

This blade is designed for 1/2-inch diameter shafts

the QC-4 is identical to the 168078 and includes the necessary ID Tag to ensure clear identification of the valve's capacity once installed

How can I verify the rotation direction before installation

the 19550 is the direct replacement and functionally identical to the 3ARR3MARS550

port for exhaust

Kele Product UCP-722 Transducer 326010-701 This blade is designed forThe Kele UCP 722 is a high performance electro pneumatic transducer designed to provide precise interface control between electronic building automation systems and pneumatic field devices. Engineered with advanced microcontroller based poppet valve technology, this unit effectively converts 4 20 mA, 0 5 VDC, or 0 10 VDC input signals into a proportional 3 15 psig or 0 20 psig pneumatic output. As a veteran grade analog to pneumatic signal converter,