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18" Clampband Style Manhole Covers

VOH410 SERIES
Liquip offers a unique 455mm (18”) diameter Manhole Cover to suit the specification of oil companies and transport fleets.

Liquip's VOH410 Series Manhole Covers are available in cast aluminium and come with four equipment mounting positions for the addition of overfill probes, vapour vents, dip & fill tubes and tank gauging.

Australian drop test approval makes these manholes ideal for both top and bottom loading.

The VOH410 Series is the premier manhole cover in the industry. 

  • Australian Drop tested to provide additional security in the event of a tanker roller.
  • Cast aluminium lightweight & durable construction.
  • Two-stage opening mechanism enables internal pressure to be released before completely opening the manhole cover.
  • 225mm (9") emergency pressure vent included to enable bulk pressure release in event of a fire or rollover.
  • Emergency vent doubles as an easy to open inspection hatch for top loading or visual inspection.
  • Can be fitted with a 1” thermal pressure & vacuum vent complying with recognised industry codes (for thermal expansion purposes).
  • Any mounting positions not utilised can be securely blanked off until required.
  • Secure locking feature via Gravity Latch or Lockable bridge & Handle available.
  • Additional security can be achieved with a non opening bridge & handle design.

Regulations
Passes the Australian drop Tests.

Mounting
A single clamp-band fits around the circumference of the manhole cover and the corresponding coaming which is tightened using a single bolt. Care must be taken to fit this clamp band according to instructions to ensure manhole cover integrity. 

VOH4102A4N0: Aluminium 18" manhole cover assembly.

VOH4102A4A0Z: VOH4102A4N0 comes with clamp band assembly and PVV104 (vapour vent).

VOH4102A4N0Z: VOH4102A4N0 comes with clamp band assembly and PVV blanking plate.

VOH300-15P: Aluminium Coaming (plain).

VOH300-15: Aluminium Coaming (ribbed).

VOH300-17: Mild Steel Coaming - Not Drop Test Approved.

PH100-3: Nut Clamp Band.

4370: Zinc plated flat washer 3/8 x 3/4 OD.

4877: Zinc plated BSW Bolt 3/8 x 5 HX.

VOH-16: Dip & Fill Blank Plate.

VOH200-14: Overfill Probe Blank Plate.

VOH400-10: Lock Key.

AVV3.0-10: Vapour Recovery Blank Plate.

UG101: Ullage Gauge.

VOH300-7: VOH410 Main Seal (Nitrile).

 

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