Hydraulic Hose Pipe

Hydraulic Hose Pipe Company Introduction and Category:

Hydraulic Hose Pipe And Couplings:
From low-pressure to ultra-high pressure hose assemblies, and from application-specific systems to versatile fluid compatibility, the most productive hose systems start with the safest, most durable, and efficient industrial hoses, couplings, accessories, and equipment from Sinopulse.
Recognized to meet over 20 international standards and quality certifications, Sinopulse furnishes custom hose assemblies and offers in-depth Industrial Hose Training Workshops to improve your onsite safety, reduce downtime, and increase your productivity.
Sinopulse Hose Factory Co., Ltd. was established at 2001.We have professional production and manufacturing experiences.Our hoses are mainly exported to South America,Italy,United Kingdom,Middle East countries,Africa and Asia countries.

Hydraulic Hose Pipe Classification:

Due to its construction, hydraulic hoses can be divided into following categories:
hoses with textile braid (one or two layers).
hose with one or two layers of steel wire braid (one, two and three layers).
hoses with spiral wire braid (four or six layers).
Hydraulic hoses are manufactured in imperial sizes and standardised. The most popular standards defining requirements for hoses are as follows: American SAE, German DIN, International ISO and European EN.
Apart from standardised hoses (according to above mentioned norms) our offer includes hoses with increased flexibility, higher working temperature, increased abrasion resistance of external layer or better chemical resistance.
For a proper choice of hydraulic hose to a particular application below mentioned aspects has to be taken into account:
working pressure and working conditions (static/dynamic),
medium and ambient temperature.
Hydraulic hoses designed for mining applications must fulfil additional requirements connected with explosives and fire conditions present in mines.
Hydraulic hoses assembled with the use of fittings crimped on crimping machines.

hydraulic hose pipe PDF.

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Hydraulic hoses pipe are used for two primary purposes:
Hydraulic hoses are used for two primary purposes: to allow movement between two port locations or to reduce the effects of vibration. Hydraulic hose can also be used for secondary reasons, such as for ease of installation or availability of hose manufacturing equipment.
Because hose is flexible, it is easy to line it up with ports that may not be well aligned or have been modified, where tube or pipe must be more precise to fit the installation, as they are more rigid.
Also, most cutting and crimping equipment is widely available, but fewer shops carry the heavy duty tube bending and flaring equipment, especially in the larger sizes.
When hydraulic hose is used for its primary purpose of joining ports on two moving components, it must be flexible enough to bend as the components move, such as between the jib and boom arms of an excavator.
The flexibility of the hose is determined by its pressure rating (and number of reinforcement windings), its diameter and its material construction.
Hoses used in this fashion are equipped on mobile equipment of every type, cable carriers on injection molding machines or automation, hydraulic presses, tractor implements, et al.

Pressure rating— A hose must be chosen with a maximum working pressure (WP) rating that is at or preferably above the normal maximum hydraulic system pressure. Momentary pressure surges for a hydraulic system are not to exceed this pressure rating. Hose fittings that are rated below the working pressure of the selected hose cause the entire hose assembly to be derated to the lower rating of the fittings.

Hoses typically become heavier for any given length, with added layers of reinforcing wire, as the working pressure requirement increases.
Many of the hose models in the common 100R series have lower working pressure ratings at the larger diameters. Often a -16 (1 in.) hose has a working pressure that half of the rating for the -8 (½ in.) hose in the same product line. This can be inconvenient and costly for a machine manufacturer. Look for SAE 100R17 series compact hoses to find a constant working pressure of approximately 3000 psi for all available diameters, or consider ISO 18752 rated hoses for a constant working pressure of approximately 4000 psi for all available diameters. Many of the ISO 18752 rated hoses also feature test impulse pressure cycle ratings of 500,000.
Burst pressure is a built-in safety factor for a hydraulic hose. A hose manufacturer verifies the burst pressure in a destructive test. The SAE standard J517 for the common series of 100R hydraulic hoses also categorizes leakage and also hose separation from hose fitting, as burst pressure failures. The hose does not have to violently break apart completely to have suffered a burst failure. The burst pressure rating of a hydraulic hose if often 4x the working pressure rating or greater.

Inside diameter—It’s very important to use a hose of the correct inside diameter. If the diameter is too small for a given rate of flow, the linear velocity will be too high. Excessive velocity will translate into friction and turbulence, which when combined will surely result in noticeably higher system pressure and heat.
Hose manufacturers typically supply a nomograph or a table that allows for the easy calculation of the optimum diameter for a given flow rate and hose length. Long hose lengths require a larger inner diameter to avoid excessive restriction and friction.

Material — Next, consider the conditions that a hose will operate under. The outer layer or cover of a hose can come in a variety of synthetic rubber materials. Some compositions can help with applications where abrasion may occur but may not bend as readily. Neoprene is one popular synthetic cover material that remains flexible across a wide range of temperatures, yet handles abrasion well. Most rubber hoses perform reasonably well from –40°C (–40°F) to 100°C (212°F). Look for the date of manufacture code on any rubber hydraulic hose that you are considering. The maximum shelf life is generally ten years at the most.
Length — Correct hose length needs to allow for bending and flexing as a machine moves and articulates, and to make sure that no undue stress is caused at the crimped fittings. A hose that connects in a perfectly straight path from one component to another may shrink in length up to 4% at maximum pressure. Allow this extra length when making up the hose assembly. An excessively long hose adds restriction to flow, increasing system pressure and reducing system efficiency.

Hydraulic Hose Pipe Quality Control:

Certifications:

Hydraulic Hose Pipe Markets & Applications

Agriculture

Construction

Material Handling

Mining

Oil & Gas

Original Equipment Manufacturer

Refuse

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Hydraulic Hose Pipe

Hydraulic Hose Pipe Company Introduction and Category:

Hydraulic Hose Pipe Classification:

hydraulic hose pipe PDF.