APTD series double pipe tester can test two pipes in one working cycle.
Tester adopts double tensile beams. Filling head adopts fixed stroke structure. Venting head adopts balance cylinder structure.
The system is equipped with two separate pressures building up systems and detecting systems and delivers stable and high speed performance.
Applicable diameter: Φ12mm - Φ178mm（others can be ordered）
Length tolerance of same lot: ±300mm
Test speed(holding time:5s)：Φ73×12±0.02m×69MPa, Max 140pcs/h
Other parameters are the same with the single pipe hydro-tester
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