Sunseal Enterprise
Sunseal Enterprise (PG0170904-W)

2968, Jalan Perai, Taman Inderawasih, 13600 Prai, Pulau Pinang, Malaysia.

Tel  :  (604) 398 6588
Fax  :  (604) 398 7589
sunsealenterprise2@yahoo.com
sunyongchin@yahoo.com
http://www.sunseal.com.my

Hydraulic Hose & Components

Hydraulic Hose & Components

Hydraulic hose typically consists of at least three parts: an inner tube that carries the fluid, a reinforcement layer, and a protective outer layer.

The inner tube must have some flexibility and needs to be compatible with the type of fluid it will carry. Commonly used compounds include synthetic rubber, thermoplastics, and PTFE, sometimes called Teflon. The reinforcement layer consists of one or more sheaths of braided wire, spiral-wound wire, or textile yarn. The outer layer is often weather-, oil-, or abrasion-resistant, depending upon the type of environment the hose is designed for.

Not surprisingly, hydraulic hoses have a finite life. Proper sizing and use of the correct type of hose will certainly extend the life of a hose assembly, but there are many different factors that affect a hose’s lifespan. SAE identifies some of the worst offenses as:

  • flexing the hose to less than the specified minimum bend radius
  • twisting, pulling, kinking, crushing, or abrading the hose
  • operating the hydraulic system above maximum or below minimum temperature
  • exposing the hose to rapid or transient rises (surges) in pressure above the maximum operating pressure, and
  • intermixing hose, fittings, or assembly equipment not recommended as compatible by the manufacturer or not following the manufacturer’s instructions for fabricating hose assemblies.

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