WEH® Defueling Nozzle TK21 CNG
Buses and trucks running on natural gas have to be serviced and checked regularly, a process involving the discharge of their pressurized fuel tanks.
The WEH® TK21 CNG defuelling nozzle has been designed for this specific purpose.
The defuelling nozzle is simply engaged onto the receptacle of the bus/truck and the knurled spindle fully turned until the receptacle is fully open. Discharge can now take place through the lateral media discharge vent.
Nominal bore (DN) | 8 mm |
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Pressure Range | PS |
Temperature Range | -40 °C fino a +85 °C |
Design | Con rivestimento di isolamento termico in materiale sintetico e mandrino di apertura |
Material | Antiruggine |
Sealing Material | Resistenti al gas metano |
Weight | Circa 2,1 kg |
- Scarico tramite raccordo di riempimento
- Comando tramite mandrino di apertura
- Nessun organo di intercettazione supplementare necessario
- Idoneo solo per valvole di carica WEH® TN5 CNG (senza filtro)
- Impugnatura isolato termicamente
Defueling Nozzle for discharging of CNG fuel tanks of buses and trucks through the filling receptacle. Only to be used with WEH® TN5 CNG receptacles without a filter. Operation only by specially trained personnel. Not for self-service operation!

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