Gas Cylinder Filling Pump

Compressed Air Driven Gas Booster Pump- DGA/DGD/DGT Series

Suncenter Air Driven Gas Boosters provide for pressures up to 80Mpa (11,600 psi). Used for virtually all known gases, these boosters are ideal for increasing gas pressure, transferring high pressure gas, charging cylinders and scavenging. Key features include:

Compressed Air driven - no electricity required (connect to normal air compressor)
In order to extend the lifetime of the pump, the driving air pressure should
not be higher than 8 bar
No airline lubricator required
Hydrocarbon free - separation between air and gas sections
Pressures to 80Mpa (11,600 psi)
Wide range of models with different ratios
Built-in-cooling on most models
Easy to install, operate and maintain
Best price / performance ratio
No heat, flame or spark risk and explosion proof
Automatic pressure holding, whatever the cause of the pressure drop, the Suncenter pump will automatically start, keep the loop pressure constant
Applicable gas:Air/Ar(Argon)/He(Helium)/H2(Hydrogen)/O2(Oxygen)N2(Nitrogen)
CO2/NO2/CH4/C2H2/LNG/LPG/CNG/FM200/SF6/H2S etc

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Applications for Air Driven Gas Boosters

SUNCENTER Air Driven Gas Boosters provide for pressures up to 80Mpa. Used for oil free compression not only of air or Nitrogen, but also flammable and risk gases like hydrogen, oxygen and natural gas. These boosters are ideal for increasing gas pressure, transferring high pressure gas, charging cylinders and scavenging.

Air driven boosters are an efficient alternative instead of electrically driven products and can be used in explosion- proof areas.

As a result of the wide range of models it is possible to select the optimum booster for each application. Single stage, double acting or two stage boosters or a combination of these models can be used to achieve different operating pressures and flow capacities.

SUNCENTER Air Driven Gas Boosters are ideal and widely used for hydrostatic and burst testing for valves, pipes, tubing and pressure vessels; Calibration for safety valves; Automobile regulator detecting and telecommunication cable inflatable appliances.

Applications

Pressure test with gas/air
Gas transfer and filling
(Air/Argon/Helium/Hydrogen/Oxygen/Nitrogen/CO2/NO2/CH4/LNG/LPG/CNG/FM200 etc.)
Charging of gas cylinder and accumulator with nitrogen
Nitrogen gas spring charging
Supply for isolating gas systems
Gas assisted injection molding
Transfer of oxygen cylinders
Charging of breathing air bottles
Leak test
Hydrostatic Testing for valves, tanks, pressure vessels, pressure switches, hoses, pipes and tubing, pressure gauges, cylinders, transducers, well casings, BOPs, gas bottles and air craft components
Safety valve adjusting

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DGA series gas booster pumps(Single acting, single air drive head):

DGA pumps are available with high quality seals, which provide significantly better service life as well. Pump head fitted with exhaust cooling devices. All parts in contact with the gas are made of stainless steel.

* technical parameters

Driven source: clean compressed air

Air pressure control system

Drive compressed air pressure: 2-8bar (recommended drive pressure <8bar)

Boost Ratio:5:1

Maximum flow rate : 820L/min

Maximum air output pressure: 40bar.

Applicable medium: clean air

Air inlet minimum pressure: 2bar

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Technical specification for DGA Series:

(Note: P_L: driven air pressure P_A: gas inlet pressure P_B: gas outlet pressure)

Model	Pressure boost ratio	Min. gas Inlet pressure PA (bar)	Max.gas Inlet pressure PA (bar)	Max. gas outlet pressure PB (bar)	Driven air pressure PL	Formula to calculate gas outlet pressure PB	Connection: Gas Inlet / Gas outlet (NPT thread)	Max. flow at driven air pressure of 6bar (L/min)
DGA02	2：1	1.0	16	16	2bar-8 bar	2X PL	1/2 / 1/2	960 (at PA of 6 bar )
DGA05	5：1	0	40	40	2bar-8 bar	5XPL	1/2 / 1/2	680(at PA of 6 bar )
DGA06	6：1	2.0	48	48	2bar-8 bar	6XPL	1/2 / 1/2	360(at PA of 10 bar )
DGA10	10：1	3.5	80	80	2bar-8 bar	10XPL	3/8/ 3/8	210(at PA of 10 bar )
DGA15	15：1	3.5	120	120	2bar-8 bar	15XPL	3/8/ 3/8	190(at PA of 10 bar )
DGA25	25：1	7.0	200	200	2bar-8 bar	25XPL	1/4/ 1/4	120(at PA of 20 bar )
DGA40	40：1	10	320	320	2bar-8 bar	40XPL	1/4/ 1/4	200(at PA of 40 bar )
DGA60	60：1	20	480	480	2bar-8 bar	60XPL	1/4/ 1/4	180(at PA of 40 bar )
DGA100	100：1	25	800	800	2bar-8 bar	100XPL	1/4/ M14X1.5	136(at PA of 40 bar )

DGD series gas booster pumps(Double acting ):

DGD series pumps are double acting, with single air driven heads type.
DGD pumps are available with high quality seals, which provide significantly better service life
Double pump heads with exhaust cooling devices.
All components in contact with the gas are made of stainless steel.
Pipes mounting way are available as customized.

Technical specification for DGD Series:

(Note: PL: driven air pressure PA: gas inlet pressure PB: gas outlet pressure)

Model	Pressure boost ratio	Min. gas Inlet pressure PA (bar)	Max.gas Inlet pressure PA (bar)	Max. gas outlet pressure PB (bar)	Driven air pressure PL	Formula to calculate gas outlet pressure PB	Connection: Gas Inlet / Gas outlet (NPT thread)	Max. flow at driven air pressure of 6bar (L/min)
DGD10	10:1	3.5	80	80	2bar-8 bar	10XPL+ PA	3/8/3/8	410(at PA of 6 bar )
DGD15	15:1	5	120	120	2bar-8 bar	15XPL+ PA	3/8/3/8	350 (at PA of 6 bar )
DGD25	25:1	10	200	200	2bar-8 bar	25XPL+ PA	1/4/1/4	396(at PA of 20 bar )
DGD40	40:1	15	320	320	2bar-8 bar	40XPL+ PA	1/4/1/4	320(at PA of 40 bar )
DGD60	60:1	25	480	480	2bar-8 bar	60XPL+ PA	1/4/1/4	215(at PA of 40 bar )
DGD100	100:1	35	800	800	2bar-8 bar	100XPL+ PA	1/4/M14*1.5	300(at PA of 60 bar )
DGD120	120:1	50	960	960	2bar-8 bar	120XPL+ PA	1/4/M14*1.5	180(at PA of 60 bar )

DGT series gas booster pumps(Double acting, double stage, single air drive head ):

DGT pumps are double acting, double stage with single air drive head pumps. They can provide for super high pressure with very low inlet pressure.
DGT pumps are available with high quality seals, which provide significantly better service life
All parts in contact with the gas are made of stainless steel.

Technical specification for DGT Series:

(Note: PL: driven air pressure PA: gas inlet pressure PB: gas outlet pressure)

Model	Pressure boost ratio	Min. gas Inlet pressure PA (bar)	Max.gas Inlet pressure PA (bar)	Max. gas outlet pressure PB (bar)	Driven air pressure PL	Formula to calculate gas outlet pressure PB	Connection: Gas Inlet / Gas outlet (NPT thread)	Max. flow at driven air pressure of 6bar (L/min)
DGT15	15:1	0.1	56	120	2-8 bar	15XPL	3/8/ 1/4	230(at PA of 8 bar )
DGT25	25:1	0.1	10	200	2-8 bar	25XPL	3/8/ 1/4	156(at PA of 8 bar )
DGT7/25	25:1	5	56	200	2-8 bar	25XPL	3/8/ 1/4	156(at PA of 8 bar )
DGT40	40:1	0.1	10	320	2-8 bar	40XPL	3/8/ 1/4	124(at PA of 8 bar )
DGT15/40	40:1	5	120	320	2-8 bar	40XPL	3/8/ 1/4	124(at PA of 8 bar )
DGT60	60:1	0.1	10	480	2-8 bar	60XPL	3/8/ 1/4	80(at PA of 15 bar )
DGT15/60	60:1	6	120	480	2-8 bar	60XPL	3/8/ 1/4	80(at PA of 15 bar )
DGT100	100:1	0.1	10	800	2-8 bar	100XPL	3/8/ 1/4	63(at PA of 8 bar )

DGT series gas booster working picture

Oxygen gas pressure booster for cylinder transfer and filling

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Gas cylinder filling pump

Gas cylinder filling pump