Beijing Jinshengxin Testing Machine Co., Ltd.
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B-type sealing joint for Hydrostatic pressure and burst testing
Ⅰ. Summary:
Hydraulic pipe of PP, PE, PVC pressure testing machine is designed and manufactured according to GB/T6111 -2003 Thermoplastics pipes for the conveyance of fluids ----Resistance to internal pressure----Test method and GB/T15560-1995 Standard test method for short-time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids. It is suitable to determine the pressure-resisting broken time or the maximum pressure value of instantaneous blast of thermoplastic pipes and compound pipes (such as PP-R ,PP-B ,PP-A ,PE ,PE-X ,PVC ,PVC-U and PVC-C ) under long-term constant internal pressure and temperature .It is indispensable for manufacturers of plastic pipes and testing institutions. And the B-type sealing joint is used to seal the pipe.
Ⅱ. Feature:
Ensure that it is sealed with the outer surface of the sample, and the sealing joint is connected with another sealing joint through the connector, so the hydrostatic end thrust will not act on the sample. The sealing joint is composed of a plurality of metal rods. Both ends of the sample can move freely longitudinally to avoid bending caused by thermal expansion. During the test
The metal rod has no contact with the outer surface of the sample.
Ⅲ. Standards:
ISO 1167, ASTM D1598, ASTM D1599
| Pipe diameter range | Φ710mm | |
| Max. Pressure | 6MPa | |
| Temperature range | 20~95℃ | |
| Type | B | |
| Sealing method | O-ring | |
| Material of end caps | 304# stainless steel or carbon steel | |
Ⅴ. Standard accessory
1. Metal rod
2. Seal ring
3. Fastening bolt
4. Longitudinal jackscrew
5. Vent valve
6. High pressure pipe connector
