Free Vents | Rim Vents | Gauge Hatches

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

  • Economical combined unit
  • Constructed in aluminium
  • Non sparking seat insert
  • ANSI and DIN flanges
  • 8″(200mm) size
  • Standard settings 3.5″ wg pressure & 0. 865″ wg vacuum
  • The unit may be padlocked to ensure security when closed.

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"

Combined Free Vents & Sampling Hatch

Gauge Hatches combined with Free Vent Hatches