Product description
Emergency venting (fire engulfment), tank breathing and flanges for ancillary equipment are included with all our manhole covers
Features protects tanker against rupture, division reversal and explosion when either natural or catastrophic internal pressures build up
Vacuum relief protects against tank implosion and compartment division reversal
10" hinged, lockable hatch facilitates easy insertion of top loading pipes while ancillary flanges save costs, time and aid tank integrity
Internationally accepted and specified by oil companies worldwide to assist with safe conveyance of petroleum based products
Range of lightweight aluminum manhole covers can be supplied as either left-hand or right-hand configuration allowing ancillary items, such as HLCO, dip tube or mechanical top operator, to be positioned on tanker centerline
Standard size: optional 16 and 20"
Emergency opening pressure: 21-32kPa
Maximum displacement of emergency: 7000m³/hour
Main materials: aluminum alloy and carbon steel (optional)
Installation: flange and hoop (optional)
Temperature range: -20 to 70°C