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.
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 reliefCombined Free Vents & Sampling Hatch
Gauge Hatches combined with Free Vent Hatches





CNC 103 Combination Gauge Hatches are a combined unit allowing access for manual level gauging or sampling and providing pressure & vacuum reliefCombined Free Vents & Sampling Hatch
