Male Thread Automatic Air Vent Valve

Stainless steel automatic air vent valve with threaded connection. For removing trapped air from liquid cooling and HVAC piping systems. Float-type design with an optional built-in filter screen.

Nominal pressure	PN16
Temperature range	-20 ℃ to 100 ℃
Test standard	GB/T 13927

Product Description

The outer wire exhaust valve automatically vents accumulated air from pipeline high points, eliminating air pockets that reduce cooling efficiency and accelerate system corrosion. The float-type mechanism opens to release air and closes tightly when water reaches the valve. A built-in filter screen protects the valve internals from debris. Threaded connection enables simple installation at rack-level high points and CDU piping peaks. Suitable for water and glycol-based coolants in continuous cooling operation.

Automatic Air Elimination

Float-type mechanism vents trapped air without manual intervention

Built-In Filter Screen

Protects internal components from debris for stable long-term performance

Compact & Simple

Small size, lightweight, easy to install at system high points

Wide Pressure Range

Reliable operation across varying system pressures up to PN16

Technical Specifications

Nominal pressure	PN16
Temperature range	-20 ℃ to 100 ℃
Connection standard: Thread	GB/T 7307
Test standard	GB/T 13927
Applicable media	water, ≤ 50% ethylene glycol/propylene glycol liquid

Overall dimensions

SIZE	DN	L	G	H
1/2"	DN15	69	G1/2"	47.5
3/4"	DN20	72.5	G3/4"	47.5
1"	DN25	72.5	1"	47.5

Main part material

Number	Part	Material
1	Valve body	304/316L
2	Valve cover	304/316L
3	Seal	EPDM
4	Float	304/316L