The Stainless steel deep drawn solenoid valve tube is produced by Aunov Tech from stainless steel, formed and finished under one roof. In duty, the solenoid component carries the coil pack and guides the moving core. Die work, machining and CMM inspection are all in-house, so first-article dimensions hold through volume batches without a second supplier involved.
Product overview
The critical features of this stainless steel tube are, the formed envelope, flatness and hole location, all held to the drawing and verified at first article.
Die work and machining for this stainless steel tube sit on the same floor, which keeps the sample loop inside our own schedule, and the approved sample is kept as the master.
How it is manufactured
This is how the stainless steel tube is built: The drawn envelope is produced in stages with anneals between them; after drawing, critical faces are machined and the part is degreased and gauged.
The solenoid valve tube manufacturing record is archived together with the drawing revision that produced it. Process settings for the solenoid valve tube are archived, so later runs can be compared with the one you approved.
Materials and finishing
Our stock list runs to carbon steel SPCC / DC01, 304 and 316 stainless, aluminium, brass and copper and this stainless steel tube runs in 304 / 316 stainless steel.
The finish is chosen for the environment the part sees: polishing, zinc / nickel / chrome plating, anodising or powder coating. It is fixed on the drawing for this stainless steel tube, so repeat orders never reopen the question.
Batch records for the solenoid valve tube are filed against the part number, so process settings are reused instead of re-invented. Process settings for the solenoid valve tube are archived, so later runs can be compared with the one you approved.
Quality control and inspection
Production runs under an ISO 9001 certified quality system: incoming material is verified against mill certificates, the CMM measures the first article dimension by dimension, and routine sampling keeps batches aligned with the first article. Part-specific checks apply as well: on the solenoid component, pole-face flatness and bore concentricity are CMM-checked at first article, with run gauging on the bore. Tests for torque, leakage or pressure can be arranged when the service demands them, and results travel with the batch paperwork.
Applications
This stainless steel tube normally works inside fluid power and pump assemblies across automotive, appliance and industrial programmes.
The same stainless steel tube is often run in more than one assembly, so the finish is chosen to cover the harshest of them, without a second tooling round.
Specifications
| Item | Stainless steel deep drawn solenoid valve tube |
|---|---|
| Brand | AUNOV |
| Designing | Made to your 2D/3D drawings (PDF, DWG, STEP, IGS) – a manufacturability review comes back with the quotation; the agreed version governs every later batch. |
| Tooling | Progressive and drawing dies are designed and built in house, so no tooling step is outsourced, and the charge is refundable against agreed volumes. |
| Samples | Sample parts are measured and reported before submission, so any deviation is corrected at sample stage, and the signed sample is kept for future reorders. |
| Materials | Standard stock: carbon steel (SPCC / DC01), 304 / 316 stainless, aluminium, brass; the final grade is fixed with the drawing review. |
| Surface finish | Surface treatment matched to the duty: plating, coating or polishing; masking and laser marking available where needed. |
| Processing | Precision tube drawing, cut to length and turned to the print; in-process checks sit between stages, not only at the end. |
| Equipment | Drawn-tube benches, in-line annealing and CNC turning; secondary ops run on CNC turning centres, inspection on the CMM. |
| Tolerance | +/-0.02 mm on fitted diameters, +/-0.1 mm on formed ends; GD&T per drawing, PPAP-style reports on request. |
| Delivery terms | FOB with DDP offered for EU and US addresses; payment T/T or L/C, freight quoted to destination. |
Also known as: magnetic valve tubes, solenoid valve tubes, expansion valve tubes, electromagnetic valve tubes, four-way valve tubes and magnetic guide valve tubes — same part, same tooling, only the drawing reference differs.
