John Guest unique collet locking design firmly and securely holds pipe and tube in place without deformation or restricting flow. Made from acetal plastic with dual nitrile O-Rings, our Superseal push-fit fittings are suitable for potable water, foodstuffs (including beer, beverage and soft drinks), inert gases and intermittent hot water.
All fittings are compatible with plastic, soft metal and stainless-steel pipes and tubing.
How to make a connection
Cut the tube square.
Push up to tube stop
Pull to check secure
Pull on the tube to check it is secure. Test the system before use.
Superseal straight connector 5/16″ – 5/16″ speedfit – SM040808S
Superseal straight connector 5/16″– 3/8″ speedfit – SI041012S
Superseal straight connector 5/16″ – 1/2″ speedfit – SI041016S
Superseal straight connector 3/8″ – 5/16″ speedfit – SI041210S
Superseal straight connector 3/8″ – 3/8″ speedfit – SI041212S