Free Vents | Rim Vents | Gauge Hatches

Free Vents | Gauge Hatches | Rim Vents

We supply a complete range of accessories and storage tank fittings for your storage tank which include

  • Free Vents
  • Rim Vents
  • Gauge Hatches
  • Plug Gate Valve


All of which are available in a range of sizes and metals giving you the most extensive range available to the storage tank industry.

With over 40 years experience our storage tank fittings are always of the highest quality, and with one of the largest available ranges of tank fittings you are sure to find the tank fitting you need.

Free Vents | Rim Vents | Gauge Hatches

Tank Free Vents

Tank Free Vents or Conservation vent prevents the build-up of internal tank pressure.

Rim Vent

Rim Vent provides low pressure relief for storage tanks, originally designed for floating roof tanks.

CNC 101 Atmospheric Gauge hatch

Foot Operated Non Lockable Gauge Hatches for atmospheric tanks

CNC 102 Lockable Gauge Hatch

Foot operated Lockable gauge hatches to allow easy access to liquid storage tanks for manual level measurement, Gauge hatches are available in aluminium or steel from 2" to 12"

CNC 103 Combination Gauge Hatch

Gauge Hatches combined with Pressure and Vacuum Relief CNC 103 Combination Gauge Hatches are a combined unit allowing access for manual level gauging or sampling and providing pressure & vacuum relief

Combined Free Vents & Sampling Hatch

Gauge Hatches combined with Free Vent Hatches