


Technical parameters
| Executive standard | API spec5CT&5L specification |
| Type of pressure test tube | Medium and low pressure boiler tubes |
| Applicable pipe diameter | Φ18-Φ42mm |
| Testing pressure | ≤25Mpa |
| Dwell time | 5-10 seconds pressure fluctuation (5 seconds): pressure fluctuation ≤0.5MPa during pressure holding. |
| Length of pressure test tube | 6-16米 |
| Production rhythm | Taking φ20 as an example, the production rhythm is 120-150 pieces/hour. |
| Dimensional accuracy of raw material pipe | Outside diameter accuracy ±1%, straightness accuracy 2/1000mm. |
| Main floor area | 28×5m (length of pressure test tube is 6-15m) |
| Power supply | Three-phase five-wire system, 50Hz,380V×1%. |