Product Introduction
GST is the DEF Seal Solutions proprietary design of hydraulic wear Ring or guide ring. The function of a hydraulic wear ring is to guide the shaft and hole sealing of a hydraulic Cylinder, absorbing transverse forces. At the same time, it previents metal-to-metal contact, optimizing the performance of the sealing system.

1.Good dimensional stability,can absorb stock
2.Uniform distribution of the large radial force
3.Low coefficient of friction,good sliding performance
4.Higher load bearing capacity
5.Excellent wear resistance
6.Wipe effect
7.Easy to install
8.Long service life
Seals specially design for excavators and Other construction machine are one of the most major sealing products in DEF.

Application Range
Pressure Pr:   N/mm² (Max) 
                         100@ 25° C 
                          50>60°C

Temperature [° C]*:  -60^+120
Sliding speed[m/s] : 1
Medium :Mineral oil based hydraulic fluids, barely flammable hydraulic fluids, water, air and others.
-Material
Phenolic Resin with Fabric Reinforcement (HG)

-Type of cut
The Angle Cut is the most frequently used standard type of cut. Rings with other types of cut ,like Straight Cut and Step Cut are available on request.

-Design Type

DEF guide rings(GST) has a rectangular cross-section with rounded or chamfered edges,thus preventing impermissible edge force in the corner radius of the grooves. The chamfers also serve to facilitate installation,e.g.when inserting into the cylindrical tube or guide bush.
The ring ends are finished as standard with an angle cut.
Strip material is available in rolls or precut to size to fit with the gap necessary.
Our seals are one of the best choice of Spare parts of Hitachi, Kobelco, Kamastu, Hyundai, Caterpillar.
Please check the catagory for detail. 
1.Where has the product sold to?
Answer: Our seals sold to America, India, Korea, the United Kingdom, Iran and other Countries .

2.How can you get sample free?
Answer: Sample free to you but your side pay the freight charge. 

3.Could I make it according to my structure drawing?
Answer: Of course, we can make from your structure drawing.

4.Why choose Guangdong DEF Seals solutions Co., Ltd ?

         1.Professional and reliability.
         2.Complete production line, quickly delivery.
         3.Advanced equipments, high quality and competitive price.
         4.We have a heart like fire.
         5.We are ready to serve you all the time.

Tel: 86-769-82224518    Fax:86-769-83260340
 
Add: Dinghao Automation Incubators, Liaobu Town, Dongguan City, Guangdong Province, China 523405