First, the import of seal
The seal is generally composed of a rubber O - ring and a PTFE ring. O ring as a force element, provide sufficient sealing force, and such compensation on the ptfe.
Two, the structure of the structure
The seal is generally composed of a rubber O - ring and a PTFE ring. O ring as a force element, provide sufficient sealing force, and such compensation on the ptfe. Seal for hydraulic cylinder. The seal is a single action seal and is divided into the piston seal and the piston rod. The seal has the advantages of low friction, no creeping, small starting force, high pressure resistance, simple groove structure and so on. The new number is 2K type stepseal, material composition for Tekang sealing ring and O ring.
O type circle work pressure: 0-40MPa high 60MPa
Reciprocating speed: less than 5m/s
Swing or rotation: less than 3m/s
The use of temperature: -+200 degrees C -40 C (by the O ring of the material set)
Applicable medium: hydraulic oil, steam, water, emulsion, etc..
Stepseal first kdas (B+S, now renamed the invention, Trelleborg sealing system) become the industry after the noun, still in use.
Seal features:
The low friction resistance, no creeping;
The dynamic and static sealing effect is quite good;
No viscous phenomenon;
The performance in the condition of no lubrication and lubrication are good;
The groove has the advantages of simple structure;
The working conditions of high pressure, strong adaptability;
The choice of a variety of specifications, glyd ring can be applied to the hydraulic cylinder of large diameter 2500mm, and stepseal used in large diameter 1330mm within any piston and piston rod.
Three, imported material introduction
Applicable to petroleum based hydraulic oil, environmental protection, safety hydraulic oil, etc. (as the O type of ring material)
Scope of application:
Can be used for reciprocating motion of the plunger and piston rod, such as presses, excavators, metallurgical machinery, loaders, chemical machinery and other occasions.
Technical data:
Working pressure: high 70Mpa
Transport power speed: big 15m/s
Working temperature: -30 degrees to 120 degrees C (Ding Jing rubber O ring)
-30 C to 200 c (fluorine rubber O ring)
Leakage rate:
There is no a sealing ring can be completely sealed, stepseal in low friction conditions, and also to control the leakage rate to excellent condition, and the application of the two groups after tandem stepseal reached almost completely sealed state.
My company will be extended to Beijing,, Shanghai, Tianjin and other parts of the country, and then generally around the world. Have good electrical insulation