Usun Model: WS-GBD Closed Cabinet Pneumatic Gas Booster Pump Station with Valves, Gauges and Regulators

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PRODUCTS DETAILS

Basic Info.

Model NO.
Model: WS-GBD
Driving Air Pressure
Compressed Air of 3-8 Bar
Pump Type
Piston Pump
Driven Cylinder
160mm
Application
Can Be Used for Refilling Gas Cylinder
Air Driven Port
G1/2′′
Action Type
Double Action
Lubrication
Yes
Name
Double Acting Pneumatic Booster System
Transport Package
Carton Box Packing
Specification
70x40x30
Trademark
USUN
Origin
China
HS Code
8412310090
Production Capacity
2000 PCS Per Year

Product Description

 USUN Model :US-GBD   160MM driven  double action pneumatic gas booster

system for oxygen /CO2 /nitrogen cylinder refilling  


Usun Model: WS-GBD Closed Cabinet Pneumatic Gas Booster Pump Station with Valves, Gauges and Regulators



 

Usun air driven gas booster  pumps are ratio devices that utilize low pressure compressed

 

air driving a larger diameter piston (area x pressure) which is linearly connected to a smaller

 

hydraulic piston/plunger. Using this ratio principal, a higher hydraulic pressure can be generated.

 

Usun Pump model numbers reflect the pumps nominal pressure ratio, while the technical data 

 

indicates exact ratios.  The outlet stall pressure is easy to set by adjusting the air drive pressure

 

through a simple air pressure regulator. By multiplying the pressure ratio by the available shop

 

air pressure, the nominal gas  pressure can be calculated.

 

Example ( Pump Model: GBD40 Gas booster pump)

 

Air drive piston area ( 160mm Ø)

 

Hydraulic plunger area ( 25mm Ø)

 

Actual ratio = 40:1

 

 1.  AIR DRIVE SECTION

 

The air drive section consists of a light weight piston complete with seals running inside an

 

aluminum barrel. The diameter of the air piston is 160mm. When compressed air is supplied to

 

the pump the air pushes the air piston down on a compression stroke

 

(forces as out of the gas end).

 

 Under the control of pilot pins (poppet valve) triggered at each end of the stroke

 

2. GAS  DRIVEN SECTION

The gas section of a USUN air driven gas booster consisit of 4 main pieces  

 

,the gas barrel  ,the piston the check valves  and the main high pressure seals  .

 

The gaspiston is directly linked to the air piston and it is housedinside the gas barrel 

 

and its movements up and down creates the gas flow into and out of the booster through

 

 the check valves . The check valves are psring loaded and on the suction stroke .the inlet check valve

 

opens to the maximum allowing gas into the gas barrel and on the compression stroke

 

the inlet check valve closes the discharge check valve opens forcing the pumped gas

 

 into the process  .The main high pressure seals is located on the gas piston and they seal agaist


 the gas barrel during operation . and the maximum pressures of the pump ,however the

 

standard PTFE seals are suitable for both the vast majority of gases encountered .

 

Other materials of construction  can be supplied to meet more aggresive services  

 

.The standard  serials of booster are not suitable for underground coal mine applications  .

 

USUN DO Manufacture models of  air driven gas boosters  that are not suitable for underground

coal mine applications .


USUN Air driven gas boosters cycle automatically  as the outlet pressure increass the

 

resistance also increases and the cycle rate decreases until the pump stops automatically 

 

when the out put pressure forces are equal .This is refered to as the stall condition  .

 

The pump will restart with a slight drop in the outllet pressure or an increase in the  air driven pressure 


Booster performance can be affected by a number of conditions ,

 

such as freezing of the exhaust muffler   or pilot valves ( Which is caused by moisture in

 

 air lines  ),inadequate  inlet air line sizes and dirty filers .When  operating the boosters 

 

on a contunuous basis  ,we recommend you use a maximum cycle rate of 50-60 cycles per minute .

 

This will both  increase service intervals  and assist in preventing ice forming at the exhaust  .

 

An air supply dryer will also assist in reducing icing up  .

 

USUN Gas boosters have a 120mm stroke thus reducing cycle rates at any given flow 

 

and pressure as compared with most other brands  . This lower repsective cycle rate res

 

ults in a reduction in freeze-up  condition  .

 

To abtain best overall performance  ,do not reduce the indicated port size and consult


USUN for flow conditions not shown in charts   

Model selection for gas booster  

 It is very important to remember that the performance of any air driven device is very dependent 

on the air supply conditions .Restrictions in the air supply can be caused by using a too small air compressor or 

airlines  .The FLOW CHARTS SHOWN in the technical data sheet are based on good conditions  .

 so please do not "design  to the line "  allow for losses and inefficiencies  

The next question is wheather you want the booster to stall when an outlet pressure is reached 

If so ,a simple airline pressure regulator will suffice ,but remember the flow drops off dramatically as the 

booster reaches a stall condition  .

 If you require flow at a particular pressure ,then you need read the flow cahrts carefully and conservatively  

 If you need the pump to stop at a certain pressure ,prior to stall ,then an air pilor switches needs to be installed  .
 

Key features

1. Realiable ,Easy to Maintain ,compact and robust

2. No heat,flame or spark risk

3. Infinitely variable cycling speed and output

4. Air driven Models do not require electrical connection ,easy to apply automatic controls

5. No limit or adverse affect to contineous stop/start applications

6.Seals system designed for long working life,No airline lubricated required

7.Built-in coupling system (Most models) and suitable for most gases boosting 

Main technical data  
Usun Model: WS-GBD Closed Cabinet Pneumatic Gas Booster Pump Station with Valves, Gauges and Regulators




 

List items

 Function

1)  Air regulator valve

Adjustable air regulator used to adjust the air driven pressure ( 0-10 bar)

2) Air pressure gauge

Indicates the air driven pressure

3) Gas inlet Pressure gauge

Indicates the  inlet gas pressure supply

4) Gas outlet pressure gauge

Indicates the outlet boosted pressure

5) Hand drive switch

Used to adjust the system on/off

6) Inlet needle valve

Used to stop the booster when supply pressure fails to the adjust set point ,can be optional .

7) Outlet needle valve

Used to stop the booster when outlet pressure reaches the adjusted set point

8) Uploading needle valve

Used to protect the booster and other components over pressurization and release the high pressure

9) GBD double acting gas booster pump

Used to increase the pressure from low pressure to high pressure

10) Gas filter

 Our standard system does not include such part ,if you need ,should inform in advance

11)  High pressure Buffer tank

It does not include the system and should be informed if you need it

12) High pressure safety valve on output

It does not include the standard system and should be informed if you need it



Usun Model: WS-GBD Closed Cabinet Pneumatic Gas Booster Pump Station with Valves, Gauges and Regulators


Typical technical data for air driven gas booster pump  
 

Model High pressure piston rod diameter  Pressure ratio Minimum inlet pressure PI(Bar) Maximum inlet pressure PI ( Bar ) Maximum Outlet pressure PO(Bar) Outlet pressure formula PO Inlet port size Outlet porst size Maximum Flow rate L/min= 7 Bar
GBD07 63 7:1 3.4 56 56 7PA+PI NPT3/8'' NPT3/8'' 392@PI=7
GBD10 50 10:1 6.5 80 80 10PA+PI NPT3/8'' NPT3/8'' 352@PI=7
GBD15 40 15:1 8.1 120 120 15PA+PI NPT3/8'' NPT3/8'' 289@PI=10
GBD25 32 25:1 15 200 207.5 25PA+ PI NPT1/4'' NPT1/4'' 186@PI=20
GBD30 28 32:1 18 240 240 32PA+PI NPT1/4'' NPT1/4'' 165@PI-20
GBD40 25 40:1 25 320 332 40PA+PI NPT1/4' NPT1/4'' 273@pi=40
GBD60 20 60:1 32 480 498 60PA+PI NPT1/4'' NPT1/4'' 175@PI=40
GBD100 16 100:1 40 800 830 100PA+ PI NPT1/4'' NPT1/4'' 136@pi=60

 Remark 1) Maxium outlet pressure are at an air driven pressure of 8 bar or 116 PSI ,for long life using

of such pump ,we suggest that air driven pressure should be not more than 8 Bar  .

Typical application of such double action gas booster 

Usun Model: WS-GBD Closed Cabinet Pneumatic Gas Booster Pump Station with Valves, Gauges and Regulators



Product  Applications  

Usun Model: WS-GBD Closed Cabinet Pneumatic Gas Booster Pump Station with Valves, Gauges and Regulators



Factory corners 

Usun Model: WS-GBD Closed Cabinet Pneumatic Gas Booster Pump Station with Valves, Gauges and Regulators



 

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