Single-Drive Single-Acting Pneumatic Gas Booster Pump

CDI single-drive single-acting gas booster pump is air-driven, no electricity required, spark-free and explosion-proof. It is specially designed for boosting pressure of nitrogen, oxygen, CO₂ and various other gases. Zero energy consumption during pressure holding. Compact structure and stable performance, widely used for industrial gas boosting, cylinder filling and pressure testing.

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Core Advantage

Air-driven, spark-free and heat-free, intrinsically explosion-proof.
No medium contamination, ensures high gas purity.
Auto start-stop and pressure holding, zero energy consumption during holding.
High-pressure section available in special alloy, compatible with various gases.
Rugged structure, excellent sealing, reliable for frequent start-stop cycles.
Some models equipped with gas quick cooling device for stable operation

Application

Nitrogen charging for high-pressure accumulators
Diving / fire breathing cylinder filling
Air tightness testing for safety valves and valves
Gas filling and recovery for reactors
Special gas boosting and transfer
High-pressure gas recycling.

Technical Specifications

Model	Boost Ratio	High-Pressure Piston Diameter (mm)	Min. Inlet Pressure Pi (bar)	Max. Outlet Pressure Po (bar)	Gas Inlet	Gas Outlet	Max. Standard Flow (NL/Min)
GB02T	2.5:1	100	0	20.75	NPT1/2″	NPT1/2″	522 @ Pi=7
GB04	4:1	80	1.2	33.2	NPT1/2″	NPT1/2″	354 @ Pi=7
GB07	7:1	63	3.4	58.1	NPT3/8″	NPT3/8″	252 @ Pi=7
GB10	10:1	50	6.5	83	NPT3/8″	NPT3/8″	196 @ Pi=7
GB30	30:1	28	18	265.6	NPT1/4″	NPT1/4″	91 @ Pi=20
GB60	60:1	20	32	498	NPT1/4″	NPT1/4″	112 @ Pi=40
GB100	100:1	16	40	830	NPT1/4″	NPT1/4″	65 @ Pi=40

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