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JG6 vs Nitrogen / beer-gas regulator (CGA-580 inlet: specs compared

Updated 05 September 2026.

6
specs differ

JG6 and Nitrogen / beer-gas regulator (CGA-580 inlet differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.

SpecJG6Nitrogen / beer-gas regulator (CGA-580 inlet
Designation6 mm ODCGA-580 inlet, 5/16" barb out
Size / thread6 mm OD tubeCGA-580 (0.965"-14 NGO RH) cylinder inlet; 5/16" barb or 1/4" MFL gas outlet
Fitting formpush-fit collet, metricsingle-stage gas regulator, nitrogen side
Seals onsingle O-ring plus a stainless collet grab-ringwasher in the CGA-580 nut on the tank; barb under a worm clamp or flare on its face at the outlet
Rating / roleJohn Guest Speedfit metric fittings for 6mm OD tube; tube OD within 0.1mm of nominaldual-gauge nitrogen / argon / beer-gas regulator, typically 0 to 50 psi working pressure
Tube OD6 mm

Questions and answers

How do JG6 and Nitrogen / beer-gas regulator (CGA-580 inlet compare?

JG6 and Nitrogen / beer-gas regulator (CGA-580 inlet differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.

Compared here

John Guest 6mm push-fit (6 mm OD)Nitrogen / beer-gas regulator (CGA-580 inlet, 5/16" barb out)