• Specification：2PCS,CTN (46.5*29.5*47cm) 27.5KG,CTN
• Transport Package：Normally Cartons
• Worker Temperature：-20~+70
• Certification .：ISO9000, CCC, Ce, API
• Nominal Diameter：16"
• Certification：ISO 9001:2000
• Standard：BS
• Machining Tolerance：+,-0.02mm
• Coating：Zinc oxide
• Model NO.：GY801A- 460
• Trademark：Deseinor
• Origin：China
• HS Code：8708996000
• Production Capacity：1000000,Y

Item nameManhole coverItem NO.GY801C-560-580outer diameter20"CertificationISO9001:2008worker temperature -20°C-+70°CWorking pressure0.6MpaEmergency open pressure21Kpa-32Kpamax. emergency vent rate7000m/3hMaterialAluminum 
 
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 & ShippingTrade InformationFOB,CIF,LC,CFR, EXW,Payment termT/T, L/C, D/A, D/P, western unionDelivery time10-30 working days according to order quantityPackage  Normally cartons can be as customers requirementShipmentBy 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 Information





FAQ
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