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C835-560 Manhole Cover

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C835-560 Manhole Cover

C835-560 Manhole Cover

Benefit and Features :The open pore of big plate is bigger than normal manhole , it is convenient for operator enter and exit of tanker.Big plate is used the plate to punch forming. The material of big plate and dimension can be produced according to user`s demand.Can be installed double P/V vent valve according to requirement to increase the flow rate of air.

Category:

Manhole Cover C835-560/580

  • Whole diameter:20″
  • Benefit and Features :The open pore of big plate is bigger than normal manhole , it is convenient for operator enter and exit of tanker.

Big plate is used the plate to punch forming. The material of big plate and dimension can be produced according to user`s demand.

Can be installed double P/V vent valve according to requirement to increase the flow rate of air.

Technical Data:

Emergency open presure: 21Kpa~32Kpa

Max Emergency Flow Rate: 9000m³/h(When 34Kpa)

Material: Aluminum Alloy

Installment Mode: Clivered Type

Temperature Range: -20℃~+70℃

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Frequently Asked Questions

Below you’ll find answers to some of the most frequently asked questions at CWTank. We are constantly adding most asked question to this page so if you have a question and don’t see your answer, don’t hesitate to contact us.

Are you manufacturer or trading company?

We are manufacturer, we had been produced electric valve for more than 30 years. So we have advantage in price. We also could do OEM.

What's the payment method?

T/T,Paypal,Western Union, Moneygram,Aliexpress, L/C ect.

What about the delivery time?

Sample need about 3 working days, large order delivery time will according to your quantity.

Would you have a discount if l have a large order?

A; Yes we could offer different discount according to your order quantity.

Where is the factory located?

Most of our factories are in CangZhou City (near Beijing) afforded enough production ability and earlier delivery time.

Do you accept OEM or custom orders?

Yes! As we have many factories we can accept custom or OEM order, we can produce the goods as the customer requirement.

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