Page 92 - 2010-2022 hose manufactureing ability and guide

2. Air should be removed from the hose by and fumes, insects, rodents and radioactive
bleeding it through an outlet valve while the materials.
hose is being filled with the test medium.
The appropriate method for storing hose
3. Hose to be pressure tested must be depends to a great extent on its size (diameter
restrained by placing steel rods or straps close and length), the quantity to be stored, and the
to each end and at approximate 10 foot (3 m) way in which it is packaged. Hose should not be
intervals along its length to keep the hose from piled or stacked to such an extent that the
“whipping” if failure occurs; the steel rods or weight of the stack creates distortions on the
straps are to be anchored firmly to the test lengths stored at the bottom.
structure but in such a manner that they do Since hose products vary considerably in
not contact the hose which must be free to size, weight, and length, it is not practical to
move. establish definite recommendations on this
4. The outlet end of hose is to be bulwarked point. Hose having a very light wall will not
so that a blown-out fitting will be stopped. support as much load as could a hose having a
heavier wall or hose having a wire
5. Provisions must be made to protect testing reinforcement. Hose which is shipped in coils
personnel from the forces of the pressure or bales should be stored so that the coils are in
media if a failure occurs.
a horizontal plane.
6. Testing personnel must never stand in Whenever feasible, rubber hose products
front of or in back of the ends of a hose being should be stored in their original shipping
pressure tested. containers, especially when such containers are

7. If liquids such as gasoline, oil, solvent, or wooden crates or cardboard cartons which
other hazardous fluids are used as the test provide some protection against the
fluid, pre-cautions must be taken to protect deteriorating effects of oils, solvents, and
against fire or other damage should a hose corrosive liquids; shipping containers also
assembly fail and the test liquid be sprayed afford some protection against ozone and
over the surrounding area. sunlight.
The Rubber Manufacturers Association has Certain rodents and insects will damage
published separately a series of Hose Technical rubber hose products, and adequate protection
Information bulletins describing hoses designed from them should be provided.
for different applications which detail Cotton jacketed hose should be protected
Maintenance, Testing and Inspection against fungal growths if the hose is to be
recommendations. Reference should be made to stored for prolonged periods in humidity
the current RMA Catalog of Publications, to conditions in excess of 70%.
determine the availability of the latest edition.
The ideal temperature for the storage of
Bulletins published as of January 2003 include rubber products ranges from 50° to 70°F (10-
the following:
21°C) with a maximum limit of 100°F (38°C).
Publication No. If stored below 32°F (0°C), some rubber
products become stiff and would require
IP 11—1—Steam Hose
warming before being placed in service. Rubber
IP 11—2—Anhydrous Ammonia Hose products should not be stored near sources of
IP 11—4—Oil Suction and Discharge Hose heat, such as radiators, base heaters, etc., nor
should they be stored under conditions of high
IP 11—5—Welding Hose or low humidity.
IP 11—7—Chemical Hose
To avoid the adverse effects of high ozone
IP 11—8—Fuel Dispensing Hose concentration, rubber hose products should not
be stored near electrical equipment that may
Storage
generate ozone or be stored for any lengthy
Rubber hose products in storage can be period in geographical areas of known high
affected adversely by temperature, humidity, ozone concentration.
ozone, sunlight, oils, solvents, corrosive liquids

RMA/IP-2/2003 71