20" Aluminum Manhole Cover for Tank Truck

Manhole Cover is installed on the top of the tank to prevent the fuel leakage when tank is over rolled. Built in P/V vent to adjust the pressure when there  is pressure different betwween inside and outside the tank.  It will automatically inlet or exhaust air when there is accident or under high temperture. It will adjust the pressure so that it can ensure the safety and environmental protection. It has second class open design, when open the up binder plate. It will release the pressure out to prevent the worker from pushing over.In the main plate of the manhole, there are two blinding holes which can be installed with optic sensor, dip tubbe or external vacuum valve according to the user's demands. It is suitable to transport petroleum, diesel. Kerosene and the other light oil.

1.) Manhole Cover is equipped on the top of tank truck.
 

2.) It is the entrance of fluid transfer operation inspection and maintaining the inside tank. It can protect the tank when involving in an emergency.

With P/V vent inside to adjust the pressure. When there is pressure differences between inside and outside the tanker. It will automatically inlet or exhaust air when there is accident o under high temperature. 

3.) 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.

4.) 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.

5.) It has second class open design, when open the up binder plate. It will release the pressure out to prevent the worker from pushing over.

6.) There are two blinding holes which can be installed with optic sensor, dip tube or external vacuum valve according to user's demand.

7.) Hooped connecting way which instead of flanged connecting to make the installation more convenient and reliable.

8.)  It is internationally accepted,and specified,by oil companies  around the world to assist with the safe transportation of petroleum based products. It is suitable to transport petroleum, diesel, kerosene and the other light oil.

1. Your inquiry related to our products or prices will be replied within 24hours

2. Well-trained and experienced staffs to answer all your enquiry in fluent English.

3. Offering the support to solve the problem in the application or selling period.

4. Competitive prices based on same quality.

5. Guarantee samples quality same as mass production quality.

Q1: Are you a factory?

A:We are one of the leading China factory professional produce of fuel tanker parts, fuel nozzle, Fuel Dispenser and fuel station parts.Which covers 80,000me and with independent D&R ability, and we can offer OEM and ODM service.

Q2: What are the application fields of your products?

A: Desheng Petrol Machine mainly products including fuel tanker parts, fuel nozzle, fuel dispenser and fuel station parts etc.

Q3: What is your terms of packing?

A: We pack our goods in standard export carton box, other packing type can do as required.

Q4: How about your delivery time?

A: 5-7 days for samples; 20-35 days for batch goods after received payment.

Q5: Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery.

Q6: What about the shipping package?

A: Package will use standard export carton, can do pallets as customized.

Q7: What is your sample policy?

A: We can supply the sample, but the customers have to pay the sample and freight.

Q8:How do you make our business long-term and good relationship?

A: We keep good quality and competitive price to ensure our customers benefit . We respect every customer and we sincerely do business with everyone