16 IN ALuminum Manhole Cover

16 inch Aluminum Manhole Cover RKG-02 Manhole Cover is equipped on the top of tank truck. It is the entrance of fluid transfer operation inspection and maintaining the inside tank. It can protect the tank when involving in an emergency. Under normal practice, vent is closed When loading and unloading and temperature variation, it will cause the pressure variation inside the tank, such as air pressure and negative vacuum pressure, the vent of manhole cover will be closed automatically in order to keep the tank under a normal pressure.When involving in emergency, such as a car accident, the Emergency Exhaust Valve will open the inside tank, meets the setting, in order to prevent explosion.

Spec:

Lever, Cover & Weld Ring: galvanized seel
Emergency Exhaust Valve Aluminum Alloy
Seal Ring： ：Nitrile or fluoro

1.Lightweight: Aluminum is a lightweight material, which means that aluminum manholes are lighter than other types of manholes. This makes them easier to handle and install, which can help reduce the overall weight of the tank truck and improve fuel efficiency.

2.Corrosion-resistant: Aluminum is highly resistant to corrosion, which is important for tank trucks that are often exposed to harsh chemicals and corrosive substances. This means that aluminum manholes are less likely to rust or corrode over time, which can help extend their lifespan and reduce maintenance costs.

3.Durable: Aluminum is a strong and durable material that can withstand a lot of wear and tear. This means that aluminum manholes are less likely to crack or break under heavy use, which can help improve the safety and reliability of the tank truck.

4.Easy to clean: Aluminum manholes are easy to clean and maintain, which is important for tank trucks that are used to transport food products or other sensitive materials. This can help ensure that the tank truck remains sanitary and free from contaminants.

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