Vents for Ethylene Glycol

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14 Products

Air-Release Valves for Water and Coolant

These valves are often used to remove air pockets in cooling and heating systems to maintain consistent flow and prevent water surges that can damage equipment. All have a vented relief port to exhaust discharge directly.

NPT Female Inlet and Relief Vent

Image of Product. Front orientation. Air Vent Valves. Air-Release Valves for Water and Coolant, Female Inlet.

	Inlet
	Pipe Size	Location	Relief Port Location	Max. Pressure, psi	Temp. Range, ° F	Overall Ht.		Each
Brass Body—Vertical Mount



		1/8	Bottom	Top	75	33 to 240	4 3/8"	000000	000000


		1/4	Bottom	Top	150	33 to 240	4 3/8"	000000	00000

NPT Female Inlet, NPT Female Outlet and Relief Vent

Image of Product. Front orientation. Air Vent Valves. Air-Release Valves for Water and Coolant, Female Inlet, Female Outlet.

	Inlet		Outlet
	Pipe Size	Location	Pipe Size	Location	Relief Port Location	Max. Pressure, psi	Temp. Range, ° F	Overall Ht.		Each
Brass Body—Vertical Mount



		1/8	Bottom	1/8	Side	Top	75	33 to 240	4 3/8"	000000	000000

NPT Female/Male Inlet and Relief Vent

Valves with female/male inlets have an inlet with both male and female threads, so they can be connected to both male and female adapters and equipment ports.

	Inlet
	Female Pipe Size	Male Pipe Size	Location	Relief Port Location	Max. Pressure, psi	Temp. Range, ° F	Overall Ht.		Each
Brass Body—Vertical Mount



		1/2	3/4	Bottom	Top	150	33 to 240	4 3/4"	000000	000000

NPT Male Inlet and Relief Vent

Image of Product. Top orientation. Air Vent Valves. Air-Release Valves for Water and Coolant, Male Inlet.

	Inlet
	Pipe Size	Location	Relief Port Location	Max. Pressure, psi	Temp. Range, ° F	Overall Ht.		Each
Brass Body—Vertical Mount



		1/8	Bottom	Top	50	33 to 240	2 5/8"	0000000	000000


		1/8	Bottom	Top	50	33 to 240	3 3/4"	0000000	00000
		1/8	Bottom	Top	75	33 to 240	4 3/8"	000000	00000
		1/4	Bottom	Top	50	33 to 240	4"	0000000	00000
		1/4	Bottom	Top	150	33 to 240	4 3/4"	000000	00000
		1/2	Bottom	Top	150	33 to 240	3 3/8"	0000000	00000
		3/4	Bottom	Top	150	33 to 240	3 3/8"	0000000	00000
		1	Bottom	Top	150	33 to 240	3 1/2"	0000000	00000

Corrosion-Resistant Air-Release Valves for Water and Coolant

These valves are made of corrosion-resistant materials for use in wet conditions and harsh environments. They eliminate air pockets to maintain consistent flow and prevent water surges that can damage equipment. All have a vented relief port to exhaust discharge directly.

Buna-N Seal—Valve with a Buna-N seal is for use in heating and cooling systems.

EPDM Seal—Valve with an EPDM seal is for use in cooling systems only.

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







				Nylon Body—Vertical Mount—Buna-N Seal

				1/8	Bottom	Top	90	40 to 180	5 1/4"	00000000	000000




						Nylon Body—Vertical Mount—EPDM Seal

						1/8	Bottom	Top	90	40 to 212	5 1/4"	00000000	00000