16 Inch Factory Direct Sales Aluminum Alloy Manhole Cover for Oil Tank Accessories
The 16-inch manhole cover is a special manhole cover for foreign trade export. The manhole cover is installed on the top of the tank truck and has built-in breathing valve and emergency exhaust functions.During the oil transportation process, the built-in breathing valve keep the internal pressure balance with external pressure in the tank.When the pressure in the tank rises sharply, the emergency exhaust device will automatically open and release the internal pressure. Even in the event of an accident, the anti-overflow device of the breathing valve can still remain sealed to prevent occurance accidents.
Modle No. | HT_RKG-460 |
Main Meterial | Aluminum alloy |
Nominal diameter | DN400 |
Nominal pressure | 65kPa |
Design temperature | -20ºC~+70ºC |
Weight | 15kg |
Medium | light fuel |
Sealing material | Fluorine rubber, nitrile, silicone |
Product feature:
1)The main body is made of lightweight aluminum alloy material, which is integrally formed by low-pressure casting.
2)Under the premise of ensuring the hardness,it can effectively improve the carrying capacity of the tanker.
3)The surface of the product is oxidized and has good corrosion resistance and wear resistance.Light weight,strong and durable.
4)When the product is working at high temperature,the maxmum exhaust volume is more than 7000m/h to prevent explosion.
Q: Are you trading company or manufacturer? A: We are factory.