Practical guides on pneumatic quick-connect fittings and flow control — selection, installation, maintenance and troubleshooting from the AFD factory.
Published: 5 Oct 2026
High temperature, high pressure, corrosive media: how austenitic stainless, martensitic stainless, phosphor bronze and tin bronze compare for fittings in petroleum and chemical se…
Published: 5 Oct 2026
A field guide to the three failure modes of high-pressure lubrication quick couplings — what causes each, the immediate fix, and the maintenance habits that prevent a repeat.
Published: 5 Oct 2026
Flow adjustment that does nothing, flow that drifts after lock-down, and rising internal leakage — the causes of the three classic throttle valve failures and the workshop fixes f…
Published: 5 Oct 2026
The working principle of flexible and one-way flow control valves, why air compressibility makes speed tuning harder than hydraulics, and five rules to stop cylinder creep.
Published: 5 Oct 2026
Working pressure vs burst pressure, the 0.1–1.0 MPa standard series with 1.2 MPa proof, and the SRK-series thread/tube matrix — a plain-language guide to pneumatic fitting pressur…
Published: 5 Oct 2026
Six checks before you buy: body material, pressure class, size matching, connect/disconnect feel, seal design and supplier support — how to pick a lubrication fitting that will no…
Published: 5 Oct 2026
From automotive engines and mining gearboxes to offshore rigs — the applications where high-pressure lubrication quick-connect fittings keep oil moving under pressure, and what th…
Published: 5 Oct 2026
Working pressures (1.0 MPa, 10 Torr vacuum limit), approved tube types and a step-by-step install procedure for pneumatic quick-connect fittings — plus the mistakes that cause mos…
Published: 5 Oct 2026
Full-bore flow, O-ring sealing, tool-free assembly and release-ring disconnection — what a push-in pneumatic fitting actually does for your machine, plus the usage precautions tha…
Published: 5 Oct 2026
What your fitting is made of decides its pressure class, corrosion life and price. A comparison of the metals used in pneumatic quick-connect fittings and where each material make…
Published: 5 Oct 2026
Working ranges (0.5–20 bar, −15 to +110 °C), compatible media and the operating conditions where 304/316/316L stainless quick-connect fittings outperform brass — and where they ne…
Published: 5 Oct 2026
A practical comparison of the thread standards used on pneumatic quick-connect fittings — BSPP, BSPT, NPT/NPTF, UNF/UNS/UN and metric sizes — with pitch and diameter reference tab…