Safer fuel tankers
Page 14
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COLLINS-YOULDON of Harlow, Essex has designed a new type of manhole cover for petroleum and fuel oil road tankers to meet the latest fire regulations for emergency venting of road tankers.
The new cover, called the Style 50, features a single spring which ensures that the lid reseats concentrically to the sealing face when the lid is closed.
The spring is retained by a bolt inserted through the centre of the lid. When the bolt is loosened the spring tension is fully released before the bolt and lid can be removed.
Another important feature is tainers).
the secondary safety catch fitted to the cover which allows the tank pressure to be vented before the cover can be released. It serves as an emergency vent set to open at 3psi and at 5psi its venting capacity is 5,000cumhr.
An aluminium baseplate reduces the overall weight and its low profile improves catwalk safety.
The Style 50 manhole cover carries approval under the Dangerous Substance Regulations 1981 (Conveyance by Road in Road Tankers and Tank Con