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Technical advice
WEO Couplings - Male metric ISO 6149-3 - Series 831
Coupling - Metric male thread ISO 6149 - 3. The Series 831 Plug-In coupling is available with a NBR O-ring with metric male thread (ISO 6149 - 3) in sizes 1/4" to 3/4". The NBR O-ring is included in the delivery.
