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The nitrogen gas spring uses the high-pressure nitrogen gas as the gas source. It has the stabile spring force, smaller cubage, reliable working function, long working life and other good features. Its merits will replace the springs like the die springs, rubber springs, air mat springs and etc. When you use them in the molds, you can get a smaller mold in volume, a shorten making time, reduced test times of the mold and to increase the success rate. It can improve the quality of products and increase a good rate of finished products. It has a highly economic value. It has widely been used in the die tools (stamping), forming, fields of automobiles, plastic injection molds, large-scale metal forming industries, machinery equipments and other many fields gradually.

Now, our company has been making the more and more series of the nitrogen gas springs. When 20 0C, their charging pressure of the nitrogen is from 6MPa to 18MPa and the pressure of the nitrogen gas springs are from 300N to 750000N. Their strokes are from 7mm to 300mm. The outer diameters of their cylinders are divided to 19mm, 25mm, 32mm, 38mm, 44.5mm, 50mm, 63mm, 75mm, 95mm, 120mm, 150mm and 195mm. We also customize the nitrogen gas springs according to users¡¯ demands.

The series of the nitrogen gas springs produced by our company will provide one year quality assurance and 1,000,000 times of service lives.
 
 
   
S series
ISO11901 standards
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• Pressure medium¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­Nitrogen gas
• Max.charging pressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­15MPa
• Min.chargin gpressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­5MPa
• Force increase by temperature¡­¡­¡­¡­¡­¡­¡­¡À0.3%/¡æ
• Working in temperature surroundings¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 0¡æ¡«+80¡æ
• Recommended max frequency of the shaft¡­¡­¡­¡­¡­¡­¡­¡­100times/min£¨at20¡æ£©
•

Max piston shaft velocity¡­¡­¡­¡­¡­¡­¡­¡­¡Ü0.8m/sec
   
 

The S series of nitrogen gas springs to be made are according to the ISO11901 standards. Our company can provide the series which suit the auto forming and other molds using the parts according to international standards. They can be serviced. The series can be used in single one, and also can be used in many pieces with a system of pipelines. When using a system, their pressures can be adjusted via the pipelines by the system. The series are widely applied in forming molds, die tools and so on of the fields of the automobile and machine manufacture. And also the series can be applied in the mechanical equipments.
   
  If to use the series in a system with pipelines, please add the mark ¡°-G¡± at the end of model number when place an order.
   
H series
compact structure
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• Pressure medium¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­Nitrogen gas
• Max.charging pressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­15MPa
• Min.chargin gpressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­5MPa
• Force increase by temperature¡­¡­¡­¡­¡­¡­¡­¡À0.3%/¡æ
• Working in temperature surroundings¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 0¡æ¡«+80¡æ
• Recommended max frequency of the shaft¡­¡­¡­¡­¡­¡­¡­¡­100times/min£¨at20¡æ£©
•

Max piston shaft velocity¡­¡­¡­¡­¡­¡­¡­¡­¡Ü0.8m/sec
   
 

The structures of H series are compact in the nitrogen springs. Their cylinder length is shorter and they occupy smaller spaces. They could reduce the dimension of molds and can be serviced. H series can be used in single one and also can be used in many pieces with a system of pipelines. When using a system, their pressures can be adjusted via the pipelines by the system. The series are widely applied in forming molds, die tools and so on of the fields of the automobile and machine manufacture. And also the series can be applied in the mechanical equipments.
   
  If to use the series in a system with pipelines, please add the mark ¡°-G¡± at the end of model number when place an order
   
P series
ultra compact & powerful type
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• Pressure medium¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­Nitrogen gas
• Max.charging pressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­18MPa
• Min.chargin gpressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­5MPa
• Force increase by temperature¡­¡­¡­¡­¡­¡­¡­¡À0.3%/¡æ
• Working in temperature surroundings¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 0¡æ¡«+80¡æ
• Recommended max frequency of the shaft¡­¡­¡­¡­¡­¡­¡­¡­100times/min£¨at20¡æ£©
•

Max piston shaft velocity¡­¡­¡­¡­¡­¡­¡­¡­¡Ü0.8m/sec
   
 

The nitrogen gas springs of P series developed elaborately by our company are the new series. These nitrogen gas springs have the pressure high but are ultra compact type in the structure. After the technical change, it causes the cylinder tube length to be ultra short, takes the minimum space in the use and may cause the mold body reduction. P series can be used in single one and also can be used in many pieces with a system of pipelines. When using a system, their pressures can be adjusted via the pipelines by the system. The series are widely applied in forming molds, die tools, injection molds and the fields of the automobile and machine manufacture. And also the series can be applied in the mechanical equipments.
   
  If to use the series in a system with pipelines, please add the mark ¡°-G¡± at the end of model number when place an order.
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U series
 
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• Pressure medium¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­Nitrogen gas
• Max.charging pressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­15MPa
• Min.chargin gpressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­5MPa
• Force increase by temperature¡­¡­¡­¡­¡­¡­¡­¡À0.3%/¡æ
• Working in temperature surroundings¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 0¡æ¡«+80¡æ
• Recommended max frequency of the shaft¡­¡­¡­¡­¡­¡­¡­¡­80times/min£¨at20¡æ£©
•

Max piston shaft velocity¡­¡­¡­¡­¡­¡­¡­¡­¡Ü0.8m/sec
   
 

 
   
  .
8_SC
   
C series
Minitype
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• Pressure medium¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­Nitrogen gas
• Max.charging pressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­18MPa
• Min.chargin gpressure¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­6MPa
• Force increase by temperature¡­¡­¡­¡­¡­¡­¡­¡À0.3%/¡æ
• Working in temperature surroundings¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­ 0¡æ¡«+80¡æ
• Recommended max frequency of the shaft¡­¡­¡­¡­¡­¡­¡­¡­100times/min£¨at20¡æ£©
•

Max piston shaft velocity¡­¡­¡­¡­¡­¡­¡­¡­¡Ü0.8m/sec
   
 

The C series of the nitrogen gas springs have micro shapes, small volumes and high pressures. Their works are stable and reliable. They cannot be opened for the service, but they can again be recharged and made up the gas. They are the best substitution products of helical springs. They are widely applied to the die tools, plastic molds and so on. They also can be applied to machine equipments and production or assembly lines..
   
  C series nitrogen spring cannot be joined the tube system.

 
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