Manhole covers
OPW/Civacon T400 lite covers
     Features & Benefits
• Complies with EN 13314 (fill-cover) and EN 13317 (base-cover)
•Pressure and vacuum vent fitted as standard for tank breathing. Various ratings available to suit operational requirements. Two vents may be fitted if required.
• Spring-loaded Pressure-activated fill cap provides emergency fire engulfment and venting
• Emergency venting capacity 7000m3/h air at 350mb.
• Automatic sealing of the P!V vent in a rollover situation
• 20" base-plate for access compliance with ADR.
• Two-stage opening allows safe release of residual compartment pressure before fully opening fill cap.
•Lockable - available with key lock
• Secure 24-bolt fixing as required by ADR.
• Lightweight pressed aluminium base-plate material complies with EN 13094.
• Security facility for padlock, wire or plastic seal.
OPW/Civacon T400 lite covers Material: Aluminum alloy 5764
Seals: Acryl-nitril or Viton
Temperature: -20ºC to +70ºC
Max air flow: 7000m3/h at 0.35bar
Weight: 9.5 kg
Standarts: EN13314, EN13317, ADR 6.7
Size: (CW) T400-249217GJ – 20”
(58D) T400-240017GJ – 20”


Aluminum manhole covers Alfons Haar DO 530/300/2A/DD
Aluminum manhole covers Alfons Haar DO 530/300/2A/DD       Manhole cover with emergency pressure relief valve. Part #1361011.
Nominal pressure : 0 bar
Design temperature : 50°C
Opening pressure of emergency pressure relief valve : 0,35 bar
Pressure loss at flow rate of 2400 l/min and lift-off 10 mm : 0,4 bar
Weight : approx. 10 kg
NBR seals
DO 530/300/ 2A/DD Spareparts


See more

Tank Truck

Vapour recovery adapters and valves

Overfill protection system

Follow us:

Contact us:

About us

Dais Global LTD is founded in 2005, we are leading company in:
- Supplying equipment and maintenance for fuel tank trucks, LPG tanks, bulk tanks, chemical tanks and other transport units for hazardous loads.OPW Market have also service station for maintaining the tank trucks
- Supplies brand new and second hand tank trucks for fuels, LPG, chemicals, foods and bulk tank trucks
- Supplies equipment for petrol and chemical vehicle trestles and railway trestlesv
- Hoses and couplings for hoses(nozzles)
- Industrial pumps and flow meters. Maintenance and spare parts for pumps. BUSCH vacuum pumps, vane and centrifugal pumps BLACKMER, Alfons HAAR, PIUSI and others
- Supplying gas stations equipment.
With its entry into the segment of hoses and nozzles OPW market have modern presentations of the hoses. For the required hoses you could always find a competent salesman who will advise you in choosing the best hose for your needs.



Our partners

Parker Hannifin