Specifications

Petroleum tank truck manhole cover
1.Material: Aluminum Alloy
2.Whole diameter:20"
3.Nominal diameter:10"
4.Standard:API

Petroleum tank truck manhole cover 
1.Material: Aluminum Alloy 
2.Whole diameter:20" 
3.Nominal diameter:10" 
4.Standard:API 

Petroleum tank truck manhole cover

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.

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 is internationally accepted, and specified, by oil companies  around the world to assist with the safe transportation of petroleum based products.    

 Features Benefits:

a. Material: Casting Aluminum

b. Pressure and vacuum vent fitted as standard for tank breathing.

c. Various ratings are available to suit operational requirements.

d. Spring-loaded fill cap provides emergency fire engulfment venting to NTTC DOT 406, required in the event of the tank being exposed to a fire.

e. Automatic sealing of the P/V vent in a roll over situation prevents dangerous and costly spillage.

f. Aluminum cover arm is also available on some variants.

g. Two-stage opening allows safe release of residual compartment pressure before fully opening the fill cap.

h. 250mm(10½)fill hole for easy drop pipe insertion when top loading.

i. High quality of base plate and component materials, to international standards, are used for durability and performance.

j. Especially, theft-proof sensor of aluminum Alloy base plate for Manhole Assemblies is available.

 

Name	Specification	D0	D1	D2	H	B	Z-d
Manhole cover	HC001-460	~460	~432	/	88	12	24-~11
	HC001A-560	~560	~530	~482
	HC001A-580	~580	~542	~496

 

 

Technique Specification:

a. Setting pressure of vent discharge : 7.14Kpa

b. Negative opening pressure:-2Kpa~-3Kpa

c. Setting pressure of emergency exhaust valve: 0.0266Mpa±0.001Mpa

d. Pressure resistance: 0.254 Mpa

e. Metting EN 13317:2002  Standard

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.

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 is internationally accepted, and specified, by oil companies  around the world to assist with the safe transportation of petroleum based products.    

 

 

 

1. Why choose us?

 

A. Large variety inventory: Meet your urgent requirement, 7-10days delivery.

 

B. Small mini order Qty: In lower local market prices.

 

C. Designs customized: With your LOGO, name, date or other special design to make your occasion special.

 

 

 

2. Can you provide free samples?

 

Yes, samples are free, but you may need to pay some express cost for the samples.

 

 

 

3.Do you develop any new designs every year?

 

Yes, every season there are new designs provided to clients by emails. New catalogue refreshed every year will be mailed or emailed to clients.

 

 

 

4.Can you customize our own products, including material, size, colour, style etc.?

 

Yes, you can customize your own products. We can make a sample for your confirmation according to your requirement before order confirmation.

 

5. What is MOQ?

 

For inventory items, no mini order quantity; for other items, would you please check our specific details for every item to get the MOQ. Any special requirement, talk to us.

 

 

 

6 How about payment?

 

For sea shipment orders, T/T normally; For small orders by air or by courier, WEST UNION, paypal will also do.

 

 

 

7. Is there any after-sale service?

 

Customer services will watch for your order once your order placed to our company, you’ll get emails for your order status termly until you get the goods at your hand.

 

Once you get the goods, please check the goods, if find out any problems to our goods, notify us, we’ll immediately get out the solutions for these.

 

 

 

8. How to do repeat orders?

 

For repeated orders, only need to advise us your original order no., we’ll find out your original order even it’s 5 years before. Will match for colors, designs then.