MY ACCOUNT
CONTACT
BLOG
A PROJECT ?
In an artisanal canning line, managing liquid and gas (CO₂) transfers is a critical point.
While Tri‑Clamp remains the standard on large tanks, instant quick‑connect fittings such as Push‑Fit (Duotight, John Guest) have established themselves as the leading solution on compact canning equipment.
Tool‑free connection, impeccable hygiene, and perfect sealing: discover why this system simplifies brewers’ daily operations.
1. Why adopt Push‑Fit fittings for canning?
Push‑Fit connection relies on an instant insertion of the semi‑rigid tube (usually polyethylene or EVAbarrier), held in place by stainless‑steel teeth and sealed by a food‑grade O‑ring.
- Practicality and time savings (“Plug & Play”): No more screwdrivers, hose clamps, or Teflon tape. A simple click is enough to connect your beer or CO₂ lines from your fermenters or brite tanks. Disassembly for cleaning is just as fast.
- Maximum hygiene and sanitary safety: Tubes insert perfectly flush at the bottom of the fitting. This eliminates dead zones and isolated recesses (common with traditional barbed fittings and clamps) where residual beer could stagnate and promote bacterial or wild yeast contamination.
- Pressure‑tight sealing: Designed to withstand pressures above 6 bar, they guarantee absolute sealing for both gas and liquid, preventing any CO₂ loss or beer leakage during filling phases.
2. Can fillers compatible with Push‑Fit
Although the system is extremely efficient, only a few machines on the market integrate or natively adapt to this technology:
- Duofiller Core G3: Designed natively around the Push‑Fit format. Its beer and CO₂ inlets allow you to plug your transfer lines directly (5/16" / 8 mm format) for instant setup and ultra‑fast cleaning transitions.
- RAPT Cannular Automatic Filler: Equipped by default with Ball Lock‑type connectors (soda‑keg style), it adapts perfectly to Push‑Fit by simply screwing an 𝐹 𝐹 𝐿 → 𝑃 𝑢 𝑠 ℎ ‑ 𝐹 𝑖 𝑡 fitting onto the connectors. You then benefit from the modularity of rigid 5/16" or 3/8" lines.
- Rigters Counter‑pressure Filler (4 heads): On this high‑performance isobaric station, using Push‑Fit quick‑connects simplifies the connection of CO₂ purge manifolds and beer lines coming from the pressurized fermenter, ensuring a perfectly clean closed circuit.
3. Push‑Fit formats and compatibility table
| Filler | Original inlet type | Recommended tube format | Push‑Fit advantage |
|---|---|---|---|
| Duofiller Core G3 | Direct Push‑Fit (Native) | 5/16" (8 mm) | Instant connection, ultra‑fast disassembly and CIP. |
| RAPT Cannular Auto | Ball Lock (Adaptable) | 5/16" (8 mm) or 3/8" (9.5 mm) | Allows switching from a keg connector to a clean rigid line without clamps. |
| Rigters 4‑head Counter‑pressure | Push‑Fit / Dedicated fittings | 3/8" (9.5 mm) or 5/16" (8 mm) | Simplifies management of multiple CO₂ and beer lines under counter‑pressure. |
Rolling Beers Pro Tip: Tube cutting
To guarantee perfect sealing and avoid any risk of leakage with your Push‑Fit fittings, tube cutting is essential! Always use a clean‑blade tube cutter (avoid scissors or standard utility knives) to obtain a perfectly straight, burr‑free cut.