Air Interlock Valves

AIV3
Liquip

Liquip's pneumatic interlock valve provides a pneumatic interlock on API adaptors, vapour adaptors or interlock bars.

The AIV3 3/2 way air valve is used to identify that a hose has been connected to the adaptor for either loading or discharge.

It can also form part of the pneumatic circuit to ensure the tank truck breaks are on, the emergency valve is open and the vapour vents are open before product can flow.

Commonly mounted to API490 series adaptors, VCM450 and GC300 series guard bar. 
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  • 3 port pneumatic spool valve.
  • Normally close operation.
  • Air supply to Port 1.
  • Actuated air signal out from Port 2.
  • Exhaust from Port 3.

Ports
3 x ¼" BSP ports.

Operating Pressure
850 kPa maximum operating pressure.

Mounting
Standard Mounting to API490 adaptors VCM450 and GC300 guard bar.

Weight
200g.

AIV3: Air Valve 3 Port with Push Button.

GC300 Series: Vapour Gates

VCM450: Vapour Adaptor 4" Camlock.

API490 Series: API adaptors.