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C801A-460 Manhole Cover
C801A-460 Manhole Cover

Blinding Hole Design:
In the main plate of the manhole cover , There are two blinding holes can be installed with Optic Sensor , Dip Tube or External Vacuum Valve according to user`s demand.

Manhole Cover C801A-460

●Whole diameter:16"

●Blinding Hole Design:

In the main plate of the manhole cover , There are two blinding holes can be installed with Optic Sensor , Dip Tube or External Vacuum Valve according to user`s demand.

●Benefit and Features :Aluminum alloy surface is treated by oxidation to improve the anti-corrosion.

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: 7000m³/h(When 34Kpa)

Material: Aluminum Alloy

Installment Mode: Flanged Type

Temperature Range: -20℃~+70℃

Size Data:

Model: C801A-460

D0: Ø460

D1 Ø432

H 88

B 12

Z-d 24-Ø11

Drawing
Features
Advantage

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