Gold Member Since 2016
Audited Supplier
Senpai Machinery Co., Ltd.

Flange, Manhole Flange, Manhole Cover Flange manufacturer / supplier in China, offering Manhole Cover Neck Ring, Low Price Fuel  Dispenser  Senpai 625 Diesel  Fuel  Dispenser  for Sale, Hot Selling Petrol and Diesel for Dispenser with Flow Meter and so on.

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Manhole Cover Neck Ring

FOB Price: US $60 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $60/ Piece
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Port: Ningbo, China
Production Capacity: 5000
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Basic Info
  • Model NO.: 580mm
  • Material: Iron
  • Connection: Flanged
  • Trademark: ZHONGSHU
  • Specification: 580mm
  • HS Code: 7609000000
  • Type: Welding Flange
  • Structure: Flanges
  • Manufacturing Way: Weld, Soldering
  • Transport Package: 1PCS/Bare, No Carton
  • Origin: Wenzhou, Zhejiang, China
Product Description
tank truck accessoires 24 holes iron flange of alloy aluminum manhole cover

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 difference between inside and outside the tank, it will automatically inlet or echaust air when there is accident or under high temperature 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 the pushing over, in the main plate of the manhole, there are three blinding holes can be installed with optic sensor, dip tube or our ternal vacuum valve according to the user's demands; hooped connecting way, which instead of flanged connecting to make the installation more convenient and reliable. It is suitable to transport petroleum, diesel, kerosene and the other light oil and so on.
Technical specifications:
Outer diameter: 560/580
Working pressure:0.6MPa
Emergency open pressure:21KPa-32KPa
Max. Emergency vent rate: 7000M3/h
Materials:Aluminum alloy
Working temperature:-20ºC~+70ºC
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