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    About Us
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    Company:Jiangsu GaoFengRuiYe Hydraulic Machinery Co.,Ltd

    ADD:NO.2,Yaoyanshang,Chengdong Village,Xueyan Town,Wujin District,Changzhou City,Jiangsu Province,China




    HOME  >  FAQ

    The hydraulic cylinder is an invaluable component in many types of industrial equipment. Through the action of the cylinder, a unidirectional force is produced that powers the operations of such equipment.

    Here we aim to answer some of your frequently asked questions and have split this into separate categories detailed below:


    1.Could you custom products?
    We can manufacture it according to your drawings or samples.


    2.What is your delivery time?
    FOB Shanghai Chinese port : 35-45 days . If there are any parts in stock , our delivery time is only 7-10 days. 


    3.What is your warranty?

    1 years, and it has been 1 years for many, many years.


    4.What about Quality Control?
    We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container.



    5.Why Do Hydraulic Cylinders Fail?

    Interest in the reasons for hydraulic cylinder failure stems from the fact that such failure translates to downtime/reduced productivity during business hours.

    Damage to piston rods within the hydraulic lift cylinder is among the most common reasons for failure. Piston rods will often suffer physical damage (e.g. bending or breakage) when exposed to sudden impact from falling materials carried on the lift.

    Cylinders may also fail as a result of shock-loads. Shock-loads occur when a hydraulic lift is used for an activity that it wasn't originally designed for. Shock-loads are also common in hydraulic lifts that are regularly overloaded. The sudden impact of shock-loads on cylinder components often causes physical damage to piston rods, eye bearings, and related components of the hydraulic cylinder.


    6.What oil do I need to use?

    Only dedicated hydraulic oil can be used in hydraulic systems, see us for all your oil needs.


    7.Why are my hydraulics running hot?

    Excessive heat occurs when more heat is produced than can be dissipated. Inefficiencies cause heat, as well as poor filtration and lack of cooling. We can keep your system running at optimum temperatures which will prolong the life of the components.


    8.What Are Some Possible Remedies To Such Failure?

    The likelihood that piston rods in a hydraulic cylinder will suffer physical damage from the impact of falling materials can be tamed. This is done by installing protective shields above the piston rod area. A shield will prevent falling materials from landing on piston rods, hence the avoidance of physical damage. 

    Shock-loading should be prevented by ensuring that the maximum load of materials carried on a hydraulic lift never goes beyond the weight-bearing capacity of the hydraulic equipment Shock-loading can be remedied through the installation of shock absorption accumulators within the hydraulic cylinder system. By absorbing a large portion of the force from a shock-load, the impact of such loads on hydraulic cylinder components is reduced significantly.