Phone: 800-362-6533 • Local: 330-497-9650 • Fax: 330-497-0415
7800 Freedom Avenue NW • North Canton, Ohio 44720-6978
sales@specialtyhose.com | Cage Code 1S353
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Metal Hose
Specialty Hose offers a complete line of Metal Hose
- the most versatile of the hose products.
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Materials: 304, 316, 321 Stainless Steel, Bronze, Inconel, Monel
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Sizes: ¼” through 16” ID
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Temperature Range: Cryogenic to +1500 Degrees Fahrenheit
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Pressure Range: Up to 12000 psi working pressure
For additional information regarding our metal hose products, please contact us.
When should I consider metal hose for my application?
Generally, there are eight reasons to consider metal hose for your applications:
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Temperature Extremes - If either the temperature of the media traveling through the hose, or the external conditions, are very hot or very
cold, metal might be the only material that can withstand the temperature.
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Chemical Compatibility - Metal can handle a wider variety of chemicals than most other materials. If the hose is going to be exposed to
aggressive chemicals, either internally or externally, then you should consider using metal hose.
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Permeation Concerns - Non-metal materials are susceptible to gases permeating through them and into the atmosphere. Metal does
not allow permeation. If it is important that a gas is contained within the hose, then you should consider using metal.
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Potential for Catastrophic Failure - If a sudden failure of your hose could be catastrophic, you should consider using a metal hose.
Using metal could help to minimize the damage if your hose assembly should fail, since metal products generally develop small holes or
cracks when they fail, unlike other products which may develop larger holes of come apart completely.
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Abrasion and Over-bending Concerns - To prevent abrasion and over-bending, a metal hose can be used as a protective cover over
wires or other hoses.
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Fire Safety - Other product types will melt when exposed to fire while metal maintains its integrity up to 1200°F.
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Achieving Full Vacuum - Under full vacuum, metal products maintain their shape while other product types may collapse.
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Flexibility in Fitting Configuration - Virtually any type of fitting can be attached to metal products while other product types require
special shanks and collars.
CERTIFIED WELDING
SECTION IX ANSI B31.1 / B31.3
AWS D17.1
What do I need to consider when I'm selecting my metal hose?
When you are selecting metal hose for your application, there are six main criteria that you need to consider:
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Temperature - Limits for the operating temperature are affected by the working pressure, the type of media being conveyed, and the
application itself. The choice of hose type, metal alloy, end fitting and method of fitting attachment all play a part in determining the
temperature limit.
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Pressure - The nominal pressure ratings of flexible metal hose vary according to type, material and size. Temperature, pulsating
conditions and bending stresses that can occur during actual working conditions can also affect pressure.
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Media - The type of media being conveyed is an important selection factor. Metal hose can be subject to corrosion both interior and
exterior, depending on the media and the outside environment. However, for almost all types of applications, metal hose can be selected
that will withstand the intended media.
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Size - The size of flexible metal hose is determined by the nominal diameter. Existing piping will generally dictate the size of the metal
hose. However, flow rate, velocity and pressure drop considerations can also influence the hose size.
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End Fittings - There is a wide range of end fitting configurations that are avaialbe for use with flexible metal hose. For more information on
selecting the correct type of end fitting, please contact us.
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Motion - Flexible metal hosed is often used to correct misalignment problems, provide flexibility in manual handling operations,
compensate for regular or constant movement, and to absorb vibration. Careful hose selection, along with the design of the assembly and
the installation are important to ensure an optimal service life.