News

  • New Shipment-20/04/2021 to Italy

    JSP seals have complete specifications, metric and inch seals, cost-effective, stable quality, professional production and export for 15 years。 61 cartons to Italy. Welcome to inquiry and order JSPSEAL.
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  • New Shipment-13 cartons to South America

    The new shipment to South America, Including the rod seal, buffer seal and wiper seal. JSPSEAL focus on the production and sales of seals for 20 years, cost-effective.   
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  • New Shipment-Wear Ring 46650pcs, Amount >10,000 Dollars

    26 cartons, 46650 pcs Wear Ring ship to the India. JSP Wear Ring material is Phenoilic Resin with Cotton Fabric, High cost performance, not easy to break.
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  • Why do I need Hydraulic Seal Kits?

    Why do I need Hydraulic Seal Kits?

      Hydraulic cylinder is a linear actuator, which converts hydraulic energy into mechanical energy to push the load into linear motion.   Heavy machinery in use due to the harsh working environment, the seals in the cylinder will be affected by pressure,temperature, speed, fluids,surface rougjmess...
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  • Several Factors That Affect Sealing Performance—Surface Roughness

    Several Factors That Affect Sealing Performance—Surface Roughness

      Surface roughness has a very import influence on the life and leakage performance of a reciprocating. The functional realiability and service lifr of a seal depend to a very great extent on the quality and sutface finish of the maring surface to be seales. Scores, scratches, proes, concentric o...
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  • Several Factors That Affect Sealing Performance—Fluids

    Several Factors That Affect Sealing Performance—Fluids

    Hydraulic cylinder normally use mineral-base oils or biodegradable, environmentally friendly ones. The features seach fluid type are usually weighed by the manufacture and the end user, depending on the specific needs. Such as : mineral-oil based fluids, fire resistance fluids, environmentally fr...
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  • Several Factors That Affect Sealing Performance—Speed

    Seals shall primarily withstand operating pressures, temperatures and speeds and offer compatibility with given fluids. Moreover they shall feature good wear resistance properties. In order to ensure long service life. therefore they shall offer elasticity, compression strength wear resistance, h...
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  • Several Factors That Affect Sealing Performance—Temperature

    The Change of temperature is one of the key factors that affect the sealing performance and the service life of sealing parts. Low temperature will make polyurethane or rubber seals freeze and become brittle and elastic, which will affect the sealing performance and even reduce the service life o...
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  • Several Factors That Affect Sealing Performance—Pressure

    Too high pressure values combined with excessive fitting clearance values between rod/head and liner/piston are the main cause of seals deterioration due to extrusion in the medium run. Resulting in fluid leakages. Besides the typical operating pressure generated by the hydraulic system, other pr...
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  • Seals Technical Overview

    Hydraulic cylinder is a liner actuator, which converts hydraulic energy into mechanical energy to push the load into linear motion. Accodring to the function and application of the cylinder, it can be divided into two tyoes: single action cylinder and double acting cylinder. A large number of sea...
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  • Sealing Material and Its Characteristics

    To determine the most suitable seal for a specific application, the material choice is for certain one of the most importane issues and perhaps thhe most complex one, due to the variety of polmers currently avaliable on the market. Moreover, the material shall be accurately selected based on the ...
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