Page 60 - 2010-2022 hose manufactureing ability and guide

D. Compression Ring Type - Compression ring
couplings have a recess over the shank that
is tapered. A compression sleeve that
encircles the hose has a matching internal
taper. When the collar is tightened, the ring

Figure 5-4. Long shank coupling for is compressed into the hose cover. This
small I.D. air applications. type of coupling is generally used for oil
and gasoline delivery applications. See
Figure 5-8 for an example of a compression
ring type coupling.

Figure 5-5. Long shank coupling with
quick connect termination
for air applications.

Figure 5-8. Compression Ring Type
Coupling

REUSABLE COUPLINGS WITHOUT
CLAMPS

The reusable couplings without clamps
category can be broken down into two main
types, screw type and push-on type.

Figure 5-6. Long shank coupling made of
brass or aluminum for oil, A. Screw type - This type of reusable coupling
gasoline, chemical delivery consists of a threaded socket and shank.
applications. The socket is placed on the hose end and
then the shank is screwed into the threaded
C. Interlocking type - For higher-pressure portion of the socket until the shank is
applications, such as steam, it is important seated against the socket. The hose wall is
to use clamps that interlock with the shank compressed between the socket and shank
such that the shank is held firmly in place. to provide the coupling hold. Applications
Two, four, and six bolt clamps offer a for screw type reusable couplings are
further advantage of being able to be gasoline pump hose and hydraulic hose.
tightened during service to compensate for See Figure 5-9 and 5-10.
rubber set or flow. An example of a four-
bolt steam hose coupling is shown in Figure
5-7.

Figure 5-9. Gasoline pump hose coupling
Interlocking, Ground Joint Interlocking, Washer Joint is made of chromed brass in
Figure 5-7. Four bolt interlocking joint order to provide a non-

sparking feature.

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