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Air Vents

Johnson valves off air vents and eliminators for protecting heating, steam and air conditioning systems. We also offer air pipe head vents for marine duty.

JV170001 – Brass WRAS Approved Automatic Air Vent For Water & HVAC Systems

The JV170001 is an economical automatic air vent which is used in heating and air conditioning systems to continually remove air from the system without the need for manual adjustment.

Size & Connections
10mm (3/8″) to 25mm (1″) • BSP Threaded
Duty
HVAC
Materials
Brass Body • Polypropylene Float
Max Working Pressure
10 Bar
Max Working Temperature
0 to 120°C
Compliance & Approvals
WRAS (502 Series)
Contact UsJV170001 – Brass WRAS Approved Air Vent For Water Systems - PDF DatasheetWRAS Approved Product

JV170001 – Brass WRAS Approved Air Vent For Water Systems

AE30 – Brass Spirax Automatic Air Eliminator For Liquid Systems

Manufactured by Spirax Sarco, the AE30 is a robustly constructed air eliminator/vent particularly suited for industrial applications. Available with an optional check and lockshield isolation valves.

Size & Connections
15mm (1/2″) • BSP Threaded
Duty
HVAC • Industrial
Materials
Brass Body • Stainless Steel Float
Max Working Pressure
10 Bar
Max Working Temperature
0 to 110°C
Contact UsAE30 – Brass Spirax Air Eliminator For Liquid Systems - PDF DatasheetAE30 – Brass Spirax Air Eliminator

AE30 – Brass Spirax Air Eliminator For Liquid Systems

AV13 – Brass Spirax Air Vent For Steam Systems

Manufactured by Spirax Sarco, the AV13 is a maintainable balanced pressure thermostatic air vent with angled connections. This automatic air vents opens to air and gases but shuts against steam. It discharges air at full bore on start-up and opens during running whenever air collects, irrespective of the steam pressure.

Size & Connections
10mm (3/8″) to 20mm (3/4″) • BSP Threaded (NPT on request)
Duty
Steam Systems
Materials
Brass Body • Stainless Steel Internals
Max Working Pressure
13 Bar @ 220°C
Max Working Temperature
-20 to 250°C
Contact UsAV13 – Brass Spirax Air Vent For Steam Systems - PDF DatasheetAE30 – Brass Spirax Air Eliminator

AV13 – Brass Spirax Air Vent For Steam Systems

JV170004 – Stainless Steel Air Eliminator For Liquid Systems

The JV170004 air vent drainer is used to remove air and gases from the system, especially in heating and cooling lines and other fluid liquid systems.

Size & Connections
20mm (3/4″) • BSP Threaded
Duty
Liquid Systems
Materials
Stainless Steel Body • Stainless Steel Internals
Max Working Pressure
16 Bar
Max Working Temperature
0 to 200°C
Contact UsJV170004 – Stainless Steel Air Eliminator For Liquid Systems - PDF Datasheet

JV170004 – Stainless Steel Air Eliminator For Liquid Systems

AE14 – SG Iron Spirax Air Vent For Liquid Systems

Manufactured by Spirax Sarco, the AE14 is a high-quality float type air vents for liquid systems. The standard version has a Viton valve head, other versions are also available with a stainless steel valve head.

Size & Connections
15mm (1/2″) to 20mm (3/4″) • BSP Threaded
Duty
HVAC • Industrial
Materials
SG Iron Body • Viton Main Valve Head (Stainless Steel option)
Max Working Pressure
16 Bar
Max Working Temperature
Viton : 200°C • Stainless Steel : 200°C
Contact UsAE14 – SG Iron Spirax Air Vent For Liquid Systems - PDF DatasheetAE30 – Brass Spirax Air Eliminator

AE14 – SG Iron Spirax Air Vent For Liquid Systems