Single-Drive Double-Acting Pneumatic Gas Booster Pump

CDI single-drive & double-acting gas booster pump adopts a dual-chamber double-acting structure, providing higher flow rate under the same pressure. It is air-driven, spark-free, heat-free and explosion-proof, suitable for nitrogen, oxygen, CO₂ and various gases. Zero energy consumption during pressure holding. It is widely used for high-flow gas boosting, filling, transfer and pressure testing.

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Core Advantage

  • Double-acting design, providing higher flow under same pressure.
  • Air-driven, spark-free & heat-free, intrinsically explosion-proof.
  • No contamination, ensures gas purity.
  • Auto start-stop & pressure holding, zero energy consumption during holding.
  • High-pressure part available in special alloy, compatible with various gases.
  • Some models equipped with gas quick cooling device for stable operation.
  • Rugged structure, excellent sealing, reliable for long-term cycling

Application

  • High-flow & high-pressure gas transfer & filling
  • Special gas recovery & charging
  • Nitrogen charging for high-pressure accumulators
  • High-pressure nitrogen foaming for coaxial cables
  • Wellhead safety valve air tightness test
  • Power source for hydrogen refueling units
  • Vehicle brake system testing.

Technical Specifications

CDI-GBD Series

ModelBoost RatioMin. Inlet Pressure Pi (bar)Max. Outlet Pressure Po (bar)Gas InletGas OutletMax. Standard Flow (NL/Min)
GBD077:13.4138NPT3/8″NPT3/8″392 @ Pi=7
GBD1010:16.5166NPT3/8″NPT3/8″352 @ Pi=7
GBD1515:18.1300NPT3/8″NPT3/8″289 @ Pi=10
GBD3030:118539.5NPT1/4″NPT1/4″165 @ Pi=20
GBD4040:125680NPT1/4″NPT1/4″273 @ Pi=40
GBD6060:132680NPT1/4″NPT1/4″175 @ Pi=40
GBD100100:1401660NPT1/4″NPT1/4″136 @ Pi=60

CDI-GBT Series

ModelBoost RatioMin. Inlet Pressure (bar)Max Allowable Inlet PressureMax Allowable Outlet Pressure (bar)Gas InletGas OutletMax Flow (NL/Min)
GBT7/1516:13.43.2Pa199NPT3/8″NPT3/8″215 @ Pi=7
GBT7/3032:13.41.2Pa315NPT3/8″NPT1/4″118 @ Pi=7
GBT15/3032:1711.5Pa456NPT3/8″NPT1/4″156 @ Pi=10
GBT15/4040:177.6Pa490NPT3/8″NPT1/4″125 @ Pi=10
GBT15/6064:174Pa664NPT3/8″NPT1/4″92 @ Pi=10
GBT30/6064:13017Pa807NPT1/4″NPT1/4″245 @ Pi=40
GBT30/100100:1307.9Pa1030NPT1/4″NPT1/4″192 @ Pi=40

CDI-10GBD Series

ModelBoost RatioMin. Inlet Pressure (bar)Max Outlet Pressure (bar)Gas InletGas OutletMax Flow (NL/Min)
10GBD076:1738NPT1/2″NPT1/2″855 @ Pi=7
10GBD1515:115195NPT1/2″NPT3/8″730 @ Pi=10
10GBD3030:130454.8NPT3/8″NPT3/8″530 @ Pi=30
10GBD6060:140632.4NPT3/8″NPT3/8″427 @ Pi=25
10GBD150150:1601536NPT1/4″HF4197 @ Pi=80

CDI-10GBT Series

ModelBoost RatioMin. Inlet Pressure (bar)Max Allowable Inlet PressureMax Allowable Outlet Pressure (bar)Gas InletGas OutletMax Flow (NL/Min)
10GBT7/1515:13.43Pa195NPT3/8″NPT3/8″610 @ Pi=10
10GBT15/3030:11512Pa454.8NPT3/8″NPT3/8″495 @ Pi=10
10GBT15/6060:1154Pa632.4NPT3/8″NPT3/8″375 @ Pi=10
10GBT30/6060:13023Pa632.4NPT3/8″NPT3/8″685 @ Pi=10
10GBT30/150150:1305.6Pa1536NPT3/8″HF4212 @ Pi=10
10GBT60/200200:13021Pa2060NPT3/8″HF4170 @ Pi=10