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Home -> Tank truck equipment -> Manhole covers |
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Manhole covers
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| 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.  Material: Aluminum alloy 5764Seals: 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
 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
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