Gold Member Since 2010
Audited Supplier
Hongyang Group Co., Ltd.

Manhole, Manhole Covers, Stainless Steel Manhole Cover manufacturer / supplier in China, offering Manhole, Petrol Dispenser (D Series CMD1687SK-GA44), Fuel Dispenser (F Series CMD1687SK-G2) and so on.

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FOB Price: US $120-150 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $120-150/ Piece
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Production Capacity: 50000PCS/Year
Payment Terms: L/C, T/T, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: U820
  • Casting Form Material: Aluminum
  • Casting Form Usage Count: Semi-permanent
  • Casting Method: Sand Casting
  • Casting Metal: Aluminum
  • HS Code: 84139100
Product Description
Used for tank
External Diameter : ø560mm or ø580mm
Manhole is installed on the top of the tank, it has built-in respiration system and emergency vent.
1  Emergency vent relieving pressure is from 21 to 32 KPa. The air is 7000m3/h.
2  It have one or two breathing valve inside, the pressure in the tank can be adjusted automatically.
3  Made by A.L.,it's light weight and strong.
Manhole assemblies should be inspected with sufficient frquency to insure Intergral Relief Valve functions properly.Any worn,damaged or missing parts must be replaced.Gaskets should be replaced if their effectiveness to insure a liquid tight seal is impaired in any way. Replacement gaskets must be compartible with products carried.

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Mr. Richard
Sales Manager
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