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| Published：2009.04.30 News Sources：FST Views： | |
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TYPICAL APPLICATIONS • HYDROSTATIC TESTING:
Any component that is made to hold liquid or gas pressure needs to be carefully tested after manufacture or repair to verify its integrity, and/or to calibrate it. H.I.I. air driven pumps can simplify this requirement in a broad range of industries.
• CLAMPING-PRESSING-RELEASING:
Hydraulic cylinders or rams that are required to maintain an output force without movement for long periods need a hydraulic pump that can maintain output pressure at zero flow for a long periods with no heat being generated. H.I.I. air driven pumps will do this over virtually any pressure range.
• VALVE ACTUATION:
Pipeline gas is commonly used for bootstrap operation of pneumatic valve actuators. But where high force requirements meet low gas pressures, the size of the pneumatic actuator needed may be impractical. A gas driven H.I.I. pump with a small hydraulic actuator can often solve this at less cost.
• PORTABLE HYDRAULIC TOOLS:
To be easily handled on the job, these tools must be compact with minimum weight. This means hydraulic pressures beyond the reach of rotary hydraulic pumps .but easily provided by H.I.I. air driven hydraulic pumps. For portability of the pump-tank package, the oil supply need be little more than the displacement of the tool it is teamed with because overheating can not occur.
• Pressure Testing Piping and Hardware for Leakage:
e.g., oil field, refinery, aircraft, automotive, instrumentation using gases.
• Gas Injection: chemical process, plastic forming.
• Gas Scavenging: collecting costly gas in partially used cylinders and transferring it into high pressure receiver(s) for further use.
• Life Support Gas Transfer and Charging:
e.g., oxygen, helium, breathing air, diving, fire fighting/hazmat, aircrew.
• Compressed Natural Gas (CNG) Boosting
for vehicle refueling stations.
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