| Materials | Nickel-plated brass OT58 body and nut |
| Seal thread | Teflon ring; NBR O-Ring; Nylon PA washer |
| Threads | BSPT ISO-7 (BSPT) BSPP ISO 228 (BSP) Metric (M5 - M6) |
| Connecting tubes | Polyamide (PA) 6 11-12; Polyethylene (PE); Polyurethane (PU); braided PVC (PV) |
| Fluid | Compressed air and low pressure fluid |
| Pressure | The nominal pressure of the connections is always higher than the working tube pressure. |
| Temperature | See characteristics of tube used. |
| Supplier code | Model | Thread |
|---|---|---|
| label 1631 03-1/8 | 1631 03 | 1/8u201d |
| label 1631 03-1/4 | 1631 03 | 1/4u201d |
| label 1631 03-3/8 | 1631 03 | 3/8u201d |
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