News

Hydraulic seals—Wiper seals

2018-09-20

In hydraulic seals, oil seals can be used as wiper seals, but when the dust is serious or to protect other seals, it often used specialized wiper seals. Wiper seals in the hydrauli..

Effect of hydraulic oil on the performance of seals

2018-09-15

The hydraulic oil of the hydraulic breaker is used as a working medium in the hydraulic transmission system to provide energy transfer, conversion and control. At the same time, it ..

The design and installation of Y ring

2018-09-12

The shape and model of Y ring can be designed and selected according to using condition and reference standard; The groove design can generally know shape, size and tolerance accord..

Analysis of hydraulic system oil leakage

2018-09-08

Internal leakage (piston), external leakage (piston rod), oil leakage strength (drain, drip, flow), is there any obvious damage on the piston rod or piston surface of the cylinder? ..

Application of PTFE Back up Ring

2018-09-05

PTFE Back up ring is a new type seal products, is the breakthrough of domestic and abroad new technology in the sealing field. PTFE back up ring changed the traditional using way of..

Common problem of excavator seals

2018-08-31

Engineering machinery excavator also called excavating machinery,it is a bucket machine that excavates materials above or below the carrier surface and loads the earth moving machin..

Characteristics of PTFE material for hydraulic seals

2018-08-29

PTFE - the industry is also called the king of plastics, nicknamed Teflon, Devon. This material is resistant to acids and alkalis and is resistant to various organic solvents, it is..

Guide ring for oil-free lubricating compressor DST

2018-08-24

The guide ring, also called the support ring, is a part of the piston and piston rod for the hydraulic cylinder or cylinder that supports the movement of the piston and the piston r..

Seven Industries

2018-08-22

DSH Seals is a technology production enterprise integrating R&D, production and sales. It owns professional production plants and branches, and is mainly engaged in the research, ma..

Basic performance of hydraulic rubber seal material

2018-08-16

In the process of running the seal in the mechanical equipment, we always encounter many bad factors of the seal, such as cracking, deformation, leakage, poor hardness performance, ..