JG6 vs Pin-lock quick disconnect (pin-lock QD: specs compared
Updated 05 September 2026.
6
specs differ
JG6 and Pin-lock quick disconnect (pin-lock QD differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.
| Spec | JG6 | Pin-lock quick disconnect (pin-lock QD |
|---|---|---|
| Designation | 6 mm OD | pin-lock QD, MFL or barb tail |
| Size / thread | 6 mm OD tube | locates on the post pins; tail is 1/4" MFL (7/16-20 UNF) or a 1/4"/5/16" barb |
| Fitting form | push-fit collet, metric | notched quick disconnect |
| Seals on | single O-ring plus a stainless collet grab-ring | O-ring seals over the post; the tail seals by flare or clamp |
| Rating / role | John Guest Speedfit metric fittings for 6mm OD tube; tube OD within 0.1mm of nominal | the pin-lock keg connector; taller than a ball-lock QD |
| Tube OD | 6 mm |
Questions and answers
How do JG6 and Pin-lock quick disconnect (pin-lock QD compare?
JG6 and Pin-lock quick disconnect (pin-lock QD differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.