How to Select Hydraulic Hose             Image Credit: Grainger Industrial Supply | Parker Hannifin | CEJN Industrial Corporation   Hydraulic hose is specifically designed to convey hydraulic fluid to or among hydraulic components, valves, actuators, and tools. It is typically flexible, often reinforced and usually constructed with several layers of reinforcement since hydraulic systems frequently operate at high or very high...
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Q & A on Hydraulic Hose

We asked our users for their input on Hydraulic Hose. Here are the results of 122 users familiar with Hydraulic Hose.

Who Took Our Poll? | Design Trends | Applications and Use | Features | Buying Advice |

Who Took Our Poll?Top

Design TrendsTop

Q:
What new technologies are influencing hydraulic hose design?
16 answers
Answers:
Certain critical applications demand high volumetric flow coupled with excellent flexibility in both directions of the hoses. Environmental concern is also coming into the picture while formulating rubber compounds to meet environment regulation. This is a big challenge for the Rubber technologist and hose designer to find a solution.
~Ghosh R.C., DGM-Business Development, Nagpur, India
With Sub sea systems going deeper and deeper, higher pressures are required to meet the design of the systems, which are forcing the hose manufacturers to keep designing new hoses that can cope with the increased pressures that are required from them.
~Marketing/Sales, Cannington, Australia
Improvements in the available hydraulic fluids, and compatibility with the hose materials.
~Chad P., Engineer, Appleton, WI
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Q:
From your perspective, which companies are creating the most innovative hydraulic hose?
19 answers
Answers:
Parker Hannifin has the most extensive range of Hydraulic and Industrial hose. They also are the company that leads in Uutra high pressure hoses and usually have a hose that can meet the guidelines required.
~Marketing/Sales, Cannington, Australia
Few international majors are really putting thrust in creating innovative products. In India, PIX Transmissions Ltd is the leading manufacturer creating innovative products.
~Ghosh R.C., DGM-Business Development, Nagpur, India
Don't have a broad enough experience with different manufacturers to really answer this. Work primarily with Eaton/Aeroquip and Parker.
~Chad P., Engineer, Appleton, WI
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Applications and UseTop

Q:
What are some of the applications you have used hydraulic hose for?
26 answers
Answers:
First of all, I am an aircraft system engineer working on B777-200 LR, B767-300, B757-200, B737-700/-800 and MD 11 and Q400 AIRCRAFT. All these aircrafts have hydraulic power systems which provide hydraulic power to the respective hydraulic actuators. And different systems like landing gear and brake systems, flight control systems, thrust reverser systems and even hydraulic power systems, use hydraulic systems to move their respective actuators to change hydraulic power into mechanical energy [power]. Most of the time the hydraulic power is distributed using a hydraulic tube but in some special places it uses hydraulic hose for places having vibration and needs flexibility [like brake system] . Sometimes as a spare hydraulic hose is used in hydraulic shop benches which are used to test different aircraft hydraulic system components.
~Maintenance/Facilities Management, Addis ababa, Ethiopia
We are one of the leading manufacturers of high and very high pressure hose assemblies in the eastern part of India and supply to all major customers like coal, cement and steel industries.
~BIMAL SARAOGI, Manufacturer, RAIPUR - INDIA, INDIA
Mobile plant, forestry equipment, industrial equipment, excavators and attachments, hydropower, oil exploration, mining and geothermal energy
~Rodney S, Engineering Consultant, Hamilton NZ, New Zealand
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Q:
Please share with us any “non-standard” applications that hydraulic hose has been used for.
10 answers
Answers:
SOME TIMES HOSE ASSEMBLIES ARE USED IN HIGH TEMPERATURE AND HIGH PRESSURE IN COAL INDUSTRIES AND DUE TO NON EXPERIENCE OF HIGH TEMPERATURE AND HIGH PRESSURE, HOSE ASSEMBLIES GOT REJECTED. AS PER HOSE DESIGN HOSE SHOULD WORK EVEN AT 121 DEG. C. PLEASE LET US KNOW HOW WE CAN MANUFACTURE SUCH HOSE ASSEMBLIES.
~BIMAL SARAOGI, Manufacturer, RAIPUR - INDIA, INDIA
Towed a truck 50km through the forest with 1 1/4" R13 to get him home , used R12 as a flexible drive coupling between 2 shafts, makes great conduit for electical cable on forestry equipment
~Rodney S, Engineering Consultant, Hamilton NZ, New Zealand
Few wire braided hoses are used in movile vans for car wash.
~Ghosh R.C., DGM-Business Development, Nagpur, India
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Q:
Do you know of any disastrous mistakes that occurred due to the incorrect usage of hydraulic hose?
12 answers
Answers:
On mobile and over-the-road applications, watch the hose material and installation location relative to the new higher temperature exhaust components. The new emission standards have really thrown more heat at the vehicles.
~Chad P., Engineer, Appleton, WI
I heard that someone had used it for high pressure air hose and the rubber inside deteriorated and loose particles clogged the passages of the equipment being fed the air.
~Thomas G, Technical Support, Houston, TX
Sometimes due to high temperature and high pressure hose assemblies fail in the field and cause fire in the equipment and sometimes there are risks for human life.
~BIMAL SARAOGI, Manufacturer, RAIPUR - INDIA, INDIA
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FeaturesTop

Q:
What would your design or feature "wish list" be for this product?
16 answers
Answers:
To have a design of hose that can cope with the most corrosive chemicals, with a 10k pressure rating and can be purchased within a few days, not a few months.
~Marketing/Sales, Cannington, Australia
We try to improve our metal technology to suits to the hose design and parameters.
~BIMAL SARAOGI, Manufacturer, RAIPUR - INDIA, INDIA
Stainless steel BSPP fittings as standard if domestic suppliers want our business.
~Adam P, Research & Development, Chambersburg, PA
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Buying AdviceTop

Q:
Do you have any advice for people relative to buying or using hydraulic hose?
13 answers
Answers:
Stick to universal style of connections as you never know what will be available to replace a damaged hose where the end user is located.
~Chad P., Engineer, Appleton, WI
We advise our customers to use the hose assemblies under normal working conditions mentioned by equipment manufacturers.
~BIMAL SARAOGI, Manufacturer, RAIPUR - INDIA, INDIA
Before buying/using hydraulic hose, user needs to be sure about the suitability of the hose in particular application.
~Ghosh R.C., DGM-Business Development, Nagpur, India
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Q:
Is there any advice you want to share with users to help them avoid common errors in selection or usage of hydraulic hose?
10 answers
Answers:
Avoid keeping large inventory of hydraulic hoses, to assess risk factors of each hose based on pressure it is subjected to, frequency of operation, location of installation and exposure to heat/ external hazards like chemicals, possibility of getting damaged by the any nearby machinery / product e.g. sheets/plates etc.
~TARUN D, Engineer, VIDYANAGAR, INDIA
Replace hoses with equal or better product. Replace hoses instead of repairing, unless damaged by physical trauma. Improper routing, or wrong hose for application.
~Myron S, Marketing/Sales, Springfield, OH
1 Observe manufacturers pressure ratings and bend radius 2 Ensure hose is not twisted during fitting and operation 3 Ensure hose does not rub during operation
~Rodney S, Engineering Consultant, Hamilton NZ, New Zealand
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