9" Emergency Hatch Sub-assembly

Tanker top manhole Ø230mm quick-opening inspection hatch sub-assembly that doubles as emergency vent with provision for pressure/vacuum relieving vent and rollover protection. Must be fitted to a VOH manhole (supplied separately).

  • Easy to open.
  • Two stage opening for added safety.
  • Lightweight aluminium construction.
  • Plain or lockable handle.
  • A key (VOH400-10, order separately) is required to access inspection hatch when fitted with lockable handle.
  • Pressure/vacuum vent mounts onto underside of the sub-assembly ( PVV valve, order separately).

Handle may be opened (a key is required for VOH500-33 lockable versions) to allow bridge & vent lid to swing away and make inspection hatch accessible.

Both handles may be locked with additional padlock (not supplied).

Mounts onto all Liquip VOH series manholes with hinge pins provided.

All major components are aluminium.
Vent seal is nitrile rubber.

  30kPa spring (6108)
& label 7321 to suit PVV104
24kPa spring (4464)
& label 7322 to suit PVV104U
30kPa spring (6108)
& label 7324 to suit PVV104U
Plain Handle
VOH500-32A VOH500-32B VOH500-32U
VOH400-7 Lockable Handle VOH500-33A VOH500-33B VOH500-33U
PVV to be used PVV104 PVV104U PVV104U

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