Stainless Steel Hosex

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Corrugated Metal Hose (Selecting a Hose)

When selecting a hose, you must consider three variables: pressure carrying capability, flexibility, and chemical compatibility.

Pressure Carrying Capability – The hose must be strong enough to handle the pressures to which it will be exposed. To determine hose pressure capability, consult the catalog “Maximum Working Pressure” stated for the hose. The Maximum Working Pressure must be reduced for each of the following circumstances:

Temperature – As temperature increases, hose working pressure decreases. After you have determined the proper alloy (see “Chemical Compatibility” below) go to the “Temperature Derating” table on page 67 and match the alloy of the hose and braid with the highest temperature to which they will be exposed (either internally or externally) to obtain the proper derating factors. Then multiply the hose’s Maximum Working Pressure by the most limiting temperature derating factor.

Dynamic Pressure – Pulsating, surge, or shock pressures, like those encountered with quick opening or closing valves, can inflict severe damage on a hose. If your application entails pulsating pressures, the working pressure should be derated by 1/2. If your application entails shock pressures, derate the stated working pressure to 1/6 of its value.

Flexibility – Confirm that the hose’s minimum bend radius is less then the bend radius required. Keep in mind that the hose’s minimum bend radius will change with pressure. To determine the minimum bend radius, go to the charts beginning on page 68 for the type of hose being used and match the line for the hose’s I.D. with your application’s pressure requirements. The chart will show you the recommended minimum bend radius. Care should also be taken for applications with vibration. Consult page 71 for recommendations.

Chemical Compatibility– You must choose a material for the hose and braid that is compatible with the media being conveyed through the hose as well as the environment in which the hose is installed. When determining chemical compatibility it is important to know the temperature and concentration of the chemical(s). Although there are many resources to confirm chemical compatibility, two of the industry standards that you may use are the National Association of Corrosion Engineers (NACE) and the Compass Corrosion Guides. You may also contact our Customer Service Department which can check these sources for you.

Corrugated Metal Hose (Products)

When selecting a hose, you must consider three variables: pressure carrying capability, flexibility, and chemical compatibility.

Annuflex is the standard of Hose Master”s extensive line of high performance annular corrugated stainless steel hose. Proprietary hydroforming technology ensures the excellent cycle life of the hose, with minimum effort to flex or bend the hose . . . . . . . . . . . . . . . . . . . .15:

Masterflex is the most pliable product of the annular family of hydroformed hose

Formaflex has the “stay-put” characteristics required for stress-free connections between piping systems and rotary joints or other similar static applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17.

Pressureflex is Hose Master’s hydroformed, annular, heavy-wall, corrugated metal hose specifically designed for higher pressure applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 .

ChemKing® is Hose Master’s chemical transfer, hydroformed hose. ChemKing® offers excellent corrosion resistance to many of the most severe applications found in chemical processing . . . . . . . . . . . . . . . .19

Bronzeflex is a heavy-duty corrugated hose designed for use in those applications that specifically require bronze hose. . . . . . . . . . . . . . . . .20

Extraflex is a spirally-welded, helical corrugated hose specifically designed to achieve extreme flexibility while maintaining good pressure ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Hydraflex is a double wall, spirally-welded, helical corrugated hose specifically designed for high-pressure applications that also require good flexibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Note: Product specifications are subject to change.

Corrugated Metal Hose (Products))

When selecting a hose, you must consider three variables: pressure carrying capability, flexibility, and chemical compatibility.

Annuflex is the foundation of Hose Master’s extensive line of annular hydroformed products. The hydroforming process produces a hose with minimal residual stress, uniform wall thickness throughout the corrugations, and minimal work hardening. This process provides a very flexible, long lasting corrugated metal hose.:

Notes: The minimum bend radius is measured from the centerline of the hose. The minimum bend radius increases with pressure (see chart on page 68). The working pressure decreases with temperature (obtain derating factor on page 67). For rapid pressure fluctuations consult the factory.