Small-bore precision tubing for impulse, sampling and signal lines.
| Outside diameter | 1/8–1 in; 3–25 mm |
|---|---|
| Wall thickness | 0.5–3 mm |
| Temper | Annealed or 1/8 hard |
| Standards | ASTM A269, ASTM A213, GB/T 14976, EN 10305-1 |
| Delivery form | Coil, straight length, or sheathed bundle |
| Testing | Eddy current or hydrostatic, bore cleanliness check |
Instrument tubing carries the signal, not the process: a 6 mm or 1/4 in line from a tapping point to a transmitter. Cleanliness, concentricity and a bore free of burrs matter more than pressure rating, because a blocked impulse line reads the wrong value and a burr becomes a fatigue crack.
Bore cleanliness after drawing and degreasing — no oil, scale or metal particle residue; ends capped and the tube vacuum packed.
Concentricity and wall uniformity, so compression fittings seal on the first make-up.
Coiled or straight lengths, with or without a PVC / PTFE sheath for tray and panel runs.
Twin-ferrule compression connections or cone-and-thread to the panel standard you use.
Cold-rolled / cold-drawn precision tube, mirror bore, tight wall tolerance.
Specifications
Hygienic stainless tube, Ra ≤ 0.8 µm bore, CIP/SIP compatible.
Specifications
Hot-rolled and cold-drawn seamless pipe, 4–900 mm OD, carbon to nickel alloy.
SpecificationsQuotes within one business day. Send grade, size, pressure class, face type and quantity — a drawing works better than a description.
