A free reference chart from JIAJIE Pneumatic. Link to this page or embed the chart with attribution. Turn it into a one-page PDF or PNG and host it — link the source back here. That link is what builds the site's authority.
1. Profile decoder
| Profile | Region | Seat style |
|---|---|---|
| ISO 6150B | Europe / export | 2-lug, wider |
| ARO / 210 | North America | 6-ball |
| Euro / Maillefer | Europe | 2-lug, thick |
| High-flow | Industrial | larger bore |
2. Bore → flow → tool
| Bore | Max flow | Tool examples |
|---|---|---|
| 1/4" | ~25 CFM | brad nailer, small spray |
| 3/8" | ~45 CFM | impact wrench, die grinder |
| 1/2" | ~70 CFM | sand blaster |
3. Material picker
- Brass — general shop air
- SS304 / SS316 — damp, chemical, food-adjacent
- Steel — field abuse
4. Thread rule
Inlet thread is BSP or NPT. Stamp it on the drawing. Never mix on one manifold.
How to cite: JIAJIE Pneumatic, "Pneumatic Quick Coupler Selection Chart", xingjiali.cn/resources/coupler-selection-chart.html
See the matching product line: Pneumatic Quick Couplers · Stainless Steel Fittings · Air Line Fittings & Manifolds