Vents for Drinking Water

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System of Measurement

Inlet Pipe Size

Pipe Size

Body Material

Maximum Temperature

Relief Port Pipe Size

Inlet Thread Type

Material

Inlet Location

Valve Type

Inlet Gender

Maximum Pressure

Fitting Connection

Mounting Position

Actuation

Relief Port Thread Type

Shape

Environment

Height

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

Minimum Temperature

4 Products

Air-Release Valves for Drinking Water

Eliminate air pockets in your drinking water system with these valves. They meet NSF/ANSI 61, which designates them as safe to use with drinking water. They have a vented relief port to exhaust discharge directly.

	Inlet		Relief Port
	Pipe Size	Location	Pipe Size	Location	Max. Pressure, psi	Temp. Range, ° F	Overall Ht.		Each
NPT Female Inlet and Relief Pipe







				Cast Iron Body—Vertical Mount

				1/2	Bottom	1/2	Top	300	33 to 225	7"	4790T31	0000000


				1	Bottom	1	Top	300	33 to 225	9 1/2"	4790T32	000000
				2	Bottom	2	Top	300	33 to 225	12"	4790T33	000000
				3	Bottom	3	Top	300	33 to 225	12"	4790T34	00000000