Sensall interface 502RB level switch R37 flow valve

Rosemont Sensall Interface Level Switch with  flow valve attachment. Markings on flow valve are as follows: MIL F 20670, MARCH 1, 150, F316, R37-1, QPP 1", 40s, WP 316/316LW, A403 DPLP. Made of 316 stainless steel.

Interface switch model 502rb, Power: 24 VDC, Relay: 5 amps,

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