WEH® Defueling Nozzle TK23 CNG for discharging CNG, no self-service, 200 bar


CNG Defueling Nozzle for discharging of CNG

The TK23 CNG defueling nozzle is designed specifically for evacuating and discharging CNGof cylinder bundles (e.g. on trailers).

The TK23 CNG is equipped with a pin, which opens the check valve in the TN5 CNG receptacle (without filter) and releases the flow. Now the CNG can be discharged from the cylinder bundles. Connecting and disconnecting can only occur in depressurised condition. The TK23 CNG is not equipped with an integrated check valve.

The WEH® TK23 CNG defueling nozzle is suitable for WEH® TN5 CNG receptacles without filter.

Nominal bore (DN)
10 mm
Pressure range
TK23 CNG: PN = 250 bar (3,600 psi) | PS = 350 bar
TN5 CNG: PN = 250 bar (3,600 psi) | PS = 315 bar
Temperature range
-40 °C up to +85 °C
Media inlet B1
UNF 7/8"-14 female thread, SAE J1926-1
Corrosion resistant
Sealing material
Natural gas resistant
TK23 CNG: With plastic thermal protection
TN5 CNG: Incl. fittings (only for nozzles with tube fitting)
Approx. 1 kg (2.20 lbs.)
Part no.
Marketing Features
  • Compact design
  • Extremely high flow rate
  • High-grade materials
  • Plastic thermal protection
  • Push-Pull actuation
  • WEH® Jaw Locking Mechanism

Defueling nozzle for discharging of CNG to be used with WEH® TN5 CNG receptacles without filter. Operation only by specially trained service personnel. Not for self-service operation!

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