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A4 Inflation / Deflation Valve (Topping Up)

  • Moulded rubber construction avoids damage to fabric from impact or abrasion.
  • Bonds into the fabric.
  • Plug provides a secondary seal.
  • Rugged - Requires no routine maintenance.
  • Deflation probe available.
  • Allows a flow of 4.7 litres per second at 0.25psi applied air pressure.

Our most commonly used topping up valve is the A8 Valve. However, where the risk of damage to the fabric of the structure due to vibration or impact is high, the A4 Valve can provide the solution. The A4 Valve is also available with a Deflation probe.

The natural rubber version has a temperature range of –40ºC to +80 ºC. The neoprene version has a temperature range of –20ºC to +80 ºC

Information Sheets

A4-Inflation-or-Transfer-Valve-Instruction-Sheet.pdf

The above documents are in PDF format. To view these please use Adobe Reader.

Accessories and Service Tools

A4 Valve Bellows End Fitting

A4 Valve Bellows End Fitting

  • For topping up.

Pressure Conversion Chart

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