Single-Drive Single-Acting Pneumatic Gas Booster Pump

CDI Dual-Drive Double Acting Gas Booster Pump features dual drive and dual chamber structure, providing higher flow and higher pressure at the same driving air pressure. Air-driven, spark-free, heat-free and explosion-proof, suitable for nitrogen, hydrogen, CO₂ and various gases. Zero energy consumption during pressure holding, ideal for industrial high-flow & high-pressure gas boosting, filling and testing.

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Core Advantage

  • Dual-drive & double-acting design, higher flow & pressure output.
  • Air-driven, spark-free & heat-free, intrinsically explosion-proof.
  • No contamination, ensures gas purity.
  • Auto start-stop & pressure holding, zero energy consumption.
  • Special alloy available for high-pressure part, compatible with various gases.
  • Some models with gas quick cooling device for stable operation.
  • Rugged structure, excellent sealing, reliable for long-term cycling.

Application

  • High-flow & high-pressure gas transfer and filling
  • Special gas recovery and charging
  • High-pressure nitrogen-assisted injection molding
  • CO₂ fire suppression, refrigeration, foaming & high-pressure cleaning
  • Vehicle hydrogen refueling systems
  • Cable foaming and coating
  • Wellhead safety valve air tightness test.

Technical Specifications

CDI-2GBD Series

ModelBoost RatioMin. Inlet Pressure Pi (bar)Max. Outlet Pressure Po (bar)Gas InletGas OutletMax. Standard Flow (NL/Min)
2GBD078:13.4132NPT1/2″NPT1/2″774 @ Pi=7
2GBD1515:13.4264NPT1/2″NPT1/2″614 @ Pi=7
2GBD3030:17.5300NPT3/8″NPT3/8″530 @ Pi=10
2GBD6065:125539.5NPT3/8″NPT3/8″327 @ Pi=25
2GBD150150:1601311NPT1/4″HF4297 @ Pi=100
2GBD200200:1801660NPT1/4″HF4187 @ Pi=100

CDI-2GBT Series

ModelBoost RatioMin. Inlet Pressure (bar)Max Allowable Inlet PressureMax Allowable Outlet Pressure (bar)Gas InletGas OutletMax Flow (NL/Min)
2GBT7/1515:13.45.7Pa227NPT3/8″NPT3/8″390 @ Pi=10
2GBT15/3030:1108.5Pa405NPT3/8″NPT3/8″286 @ Pi=10
2GBT15/6065:1104Pa600NPT3/8″NPT3/8″165 @ Pi=10
2GBT30/6065:13023Pa600NPT3/8″NPT3/8″455 @ Pi=40
2GBT80/150150:14544Pa1724NPT3/8″HF4146 @ Pi=40
2GBT80/200200:16020Pa2060NPT3/8″HF470 @ Pi=40