Based on the experience of KALYMNOS in producing liquid fuel transport equipment, the SK3400C manhole cover, covers the demands of the DOT 49CFR §178.345-5 regulation and offers unrivalled safety and operational features.

– Robust Construction of the assembly exceeds the requirements of the TTMA RP No. 81-02 Dynamic Pressure Surge Test.

– Clump Fixing tested for liquid tightness at 250 kPa (36 psig).

– Pressure/Vacuum breather vent with integrated rollover protection against spillage.

– Emergency pressure relief valve to eliminate the excess pressure in the tank compartment in case of fire. Designed and tested in accordance to DOT 49CFR §178.345-5 and DOT 49CFR §178.346-3. Relieving pressure set at 230 mbar and emergency venting capacity of 2800m3/h, of air at 300 mbar.

– Two stages opening eliminates danger due to residual compartment pressure before fully opening of the fill cover.

– 20” option available as SK3500C.

– Aluminium cover plate available for reduced weight.

– Integrated Locking mechanism available as optional, eliminates the danger of accidental opening meets the requirements of the NTTC DOT 406 (49CFR 178.345-5).

– Accessory Ports options available for the installation of Dipstick. None to 3 ports can be offered for Dipstick, Sensor and Vapour Vent.

P/V vent set pressure: 100 mbar
P/V vent vacuum set: 10 mbar
Manhole assembly weight: 10.2kg
Emergency pressure set: 230 mbar
Emergency venting capacity: 2800m3/h at 300 mbar

[wpdm_package id=1896 template=”57d7af918045b”]

Based on the experience of KALYMNOS in producing liquid fuel transport equipment, the SK3400B manhole cover, covers the demands of the DOT 49CFR §178.345-5 regulation and offers unrivalled safety and operational features.

– Robust Construction of the assembly exceeds the requirements of the TTMA RP No. 81-02 Dynamic Pressure Surge Test.

– 24 Bold Fixing Ø 9.5mm on Ø432 PCD tested for liquid tightness at 250 kPa (36 psig).

– Pressure/Vacuum breather vent with integrated rollover protection against spillage.

– Emergency pressure relief valve to eliminate the excess pressure in the tank compartment in case of fire. Designed and tested in accordance to DOT 49CFR §178.345-5 and DOT 49CFR §178.346-3. Relieving pressure set at 230 mbar and emergency venting capacity of 2800m3/h, of air at 300 mbar.

– Two stages opening eliminates danger due to residual compartment pressure before fully opening of the fill cover.

– Galvanized Steel crossarm pins for rust-free service.

– Aluminium cover plate available for reduced weight.

– Integrated Locking mechanism available as optional, eliminates the danger of accidental opening meets the requirements of the NTTC DOT 406 (49CFR 178.345-5).

– Accessory Port for the installation of Dipstick, Vapour Recovery Vent and Overfill Sensor.

P/V vent set pressure: 100 mbar
P/V vent vacuum set: 10 mbar
Manhole assembly weight: 10.8 kg (St)  / 8.9 kg (Al)
Emergency pressure set: 230 mbar
Emergency venting capacity: 2800m3/h at 300 mbar

[wpdm_package id=1903 template=”57d7af918045b”]