Descrizione
Benefit and Features :The open pore of big plate is bigger than normal manhole , it is convenient for operator enter and exit of tanker. 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.
Manhole Cover C835-560/580
Whole diameter:20″
Benefit and Features :The open pore of big plate is bigger than normal manhole , it is convenient for operator enter and exit of tanker.
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: 9000m³/h(When 34Kpa)
Material: Aluminum Alloy
Installment Mode: Clivered Type
Temperature Range: -20℃~+70℃
Pagamento e Sicurezza
Le tue informazioni di pagamento vengono elaborate in modo sicuro. Non memorizziamo i dettagli della carta di credito né abbiamo accesso alle informazioni della tua carta di credito.
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