Description
The Techcon 4 mm tube fitting is a stainless steel dispenser parts replacement for connecting metric OD tubing to a 1/4 inch NPT male port. It belongs in pressure pot, manifold, and valve feed setups where the fluid path needs a compact metal fitting instead of a plastic adapter stack.
Where These dispenser parts Fit
This fitting supports fluid delivery work around cartridge filling benches, pressure reservoirs, and production dispensing stations. A 4 mm tube line is common on compact pneumatic and fluid circuits, while 1/4 inch NPT ports show up on manifolds, feed blocks, and accessory hardware. Bringing those two sides together in one stainless fitting reduces leak points and keeps the connection easier to inspect during maintenance.
Use it when a line is being rebuilt after a valve change, when a damaged tube fitting needs replacement, or when a station is being converted from one dispense head to another. The stainless body is useful around adhesive, sealant, coating, and lubricant service where a soft fitting can wear, crack, or lose thread integrity after repeated cleaning. It is also a practical spare for shops that keep pressure pot hardware, valves, a mixing nozzle, and other dispense accessories on the same maintenance shelf.
How These dispenser parts Hold Up
Install the fitting into a clean 1/4 inch NPT port with the thread sealant approved for the fluid in use, then seat the 4 mm tube without side load. After pressurizing the system, check for bubbles, fluid weep, or tube movement before the line goes back into production. A small fitting failure can change shot size, introduce air into the material path, or push operators to raise pressure when the real issue is a leak.
For stations running two-part adhesives, confirm the tube and fitting belong on the correct side of the dispense system. This part is not a 2 part mixing nozzle or jb weld mixing nozzle. It is a connection component that helps keep the upstream feed path stable before material reaches the valve, cartridge, or nozzle.
dispenser parts Specs
| SKU | TECP3000046 |
|---|---|
| Product Type | Tube to male pipe thread fitting |
| Tube Size | 4 mm OD |
| Thread | 1/4 inch NPT male |
| Material | Stainless steel |
| Use | Fluid delivery and dispensing equipment maintenance |
For matching tubing, valves, cartridges, and nozzles, browse Chemical Concepts dispensers, mixers, and nozzles. For current manufacturer information, visit Techcon.
Need Help?
Need help matching tube size, thread size, or fitting material to your dispensing station? Call (800) 220-1966 or email [email protected].







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