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C801TA-500 Manhole Cover

C801TA-500 Manhole Cover

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 C801TA-500

  • 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: Carbon Steel

Installment Mode: Hooped Type

Temperature Range: -20℃~+70℃