Apollo Water Pressure Reducing Valve, Standard Valve Type, Lead Free Bronze, 1 in Pipe Size - 36LF20501PR Height-34" : 250F Vacuum pressure: 29

: 250F Vacuum pressure: 29 Hg FNPT connection

Bradley S83-044 Strobelight Asy-24VAC Replacement Part

The easy-to-empty water collection reservoir to keep floors and walls clean

They are used in parking garages

From Tech Data Sheet

Apollo Water Pressure Reducing Valve, Standard Valve Type, Lead Free Bronze, 1 in Pipe Size - 36LF20501PR Height-34" : 250F Vacuum pressure: 29Water Pressure Reducing Valve; Valve Type: Standard; Strainer: Yes; Material: Lead Free Bronze; Pipe Size: 1 in; Preset Pressure Settings: 50 psi; Pressure Adjustment Range: 25 to 75 psi; Connection Type: Press; Height: 5 29 32 in; Length: 6 11 16 in; Max. Temp.: 180 Degrees F; Max. Pressure: 250 psi; Standards: ARRA, ASSE 1003 2009, Annex F, CSA B356, G, NSF 372, NSF ANSI 61 G