C801B-560 Manhole Cover

Jialong

Descrizione

Blinding Hole Design: The blinding holes can be produced according to use`s demand ,to install with Vapor Vent Valve , Optic Sensor , Pressure gauge ,Dip Tube or External Vacuum Valve according to user`s demand.

Manhole Cover C801B-560/580
Whole diameter:20″
Blinding Hole Design:
The blinding holes can be produced according to use`s demand ,to install with Vapor Vent Valve , Optic Sensor , Pressure gauge ,Dip Tube or External Vacuum Valve according to user`s demand.

Benefit and Features :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: 7000m³/h(When 34Kpa)
Material: Aluminum Alloy
Installment Mode: Flanged Type
Temperature Range: -20℃~+70℃

Size Data:
Model: C801A-460
D0: Ø560
D1 Ø530
D2 Ø482
H 88
B 12
Z-d 24-Ø11

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