... -120MPa medium: Compressed air, nitrogen, oxygen or other gas single experiment hose quantity:1 Product technical parameters:Product name ... pipe, downhole tools, and other products of high pressure gas tightness testing, performance testing and targeting safety valve, pressure ... 3-50mm, drill tubing 300-60mmFourth:equipment 1. gas supercharger core parts: pressurized gases, in order to achieve the test ...