Product description
| Item name |
Manhole cover |
| Item NO. |
GY801A-560-580 |
| outer diameter |
20" |
| Certification |
ISO9001:2008 |
| worker temperature |
-20°C-+70°C |
| Working pressure |
0.6Mpa |
| Emergency open pressure |
21Kpa-32Kpa |
| max. emergency vent rate |
7000m/3h |
| Material |
Aluminum |
Manhole description
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 betweeen 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 provent 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 demend.
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 amd the other light oil.
Packaging & Shipping
| Trade Information |
FOB,CIF,LC,CFR, EXW, |
| Payment term |
T/T, L/C, D/A, D/P, western union |
| Delivery time |
10-30 working days according to order quantity |
| Package |
Normally cartons can be as customers requirement |
| Shipment |
By sea, by air and by express |
Our Servise
1. Your inquiry related to our products or prices will be replied within 24hours.
2. Well-trained and experienced staffs to answer all your enquiries 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.
Our Promise
1. Welcome your 2D, 3D, and other drawings.
2. Not only manufacture mould, but aslo supply product.
3. IF you are interested in our products. please contact us at your any convenience .we'd like totell you more about our products.meantime,you only need to give us your requirements in detailfor your products.we can design and produce for you very well.
4. We warmly welcome your visit,as it is said to see is to believe if possible.
Company Description:
We are professional manufacturer for fule tank accessories,chemical cart,gas station, oil depot accessories and other fule machine related accessories.
The products are mainly include:camplock coupling, API adaptor valve, vapor recovery valve, over fill prevention valve, manhole cover, fule nozzle, pressure vacuum valve,ball valve, etc.
It's with accuracy module, independent D&R ability, CNC machine, high quality control system.
We insist on"Innovation Decides Development" as company principal. The products are well received by demestic and overseas market. We will keep on enhancing the ability of independent research and develop to satisfy the customer's demand.
| Contacts |
Echo wen |
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| Facebook |
+8617751951594 |
| Company |
Xuzhou Desheng Petrol Machine Co.,LTD |
| Product |
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