 |
|||
|
|
|||
| ||||||||||
|
|  MIL-R-24414D(SH)
used shall operate within the range of temperatures from minus 20 to plus 120 F.
Bearing seals shall be so that the pressure due to forced lubrication will not
bind the shaft.
The reel drum assembly shall be supported at two points, one
3.6 Support
on each side of the drum assembly.
The reel discs may have smoothly formed flat sides or spoke
3.7 Reel discs.
ribs, so formed as not to damage the hose.
The rims of the drum discs shall be
smooth surface or rolled.
3.8
Holding devices.
3.8.1 Nozzle Clamps . When specified in the contract or order (see 6.2),
reels shall be provided with a device for clamping the hose nozzle or nozzles
securely to the deck or bulkhead when not in use in order to prevent unwinding of
the hoses or damaging the nozzles.
The securing device shall be of a quick
release non-corroding construction.
The webbed portion of the clamping device
shall be a bright red for visibility.
Metal portion of quick release shall be
non-corroding.
3.8.2 Hose
strap.
The hose shall be secured to the reel drum by means of a
nylon strap.
3.9
Connections.
3.9.1 Inlet connections.
The reel inlet connections shall be flanged and
shall be a part of the rotating joints.
Inlet to the 1-1/2 inch rotating joint
shall be a 1-1/2 by 2-inch, 90-degree elbow that can maintain four positions in a
horizontal or vertical plane.
The flange thickness and bolt hole drilling shall
be as specified on figures 1, 2, and 3.
Inlet to the l-inch rotating swing joint
shall be straight.
The flange thickness and bolt hole drilling shall be as
specified on figure 1.
All inlet connections shall be on the right hand side when
facing the reel.
3.9.1.1 Flanged inlets.
Flanged inlets shall be in accordance with
ANSI B16.5.
3.9.2 Outlet connection.
The 1-1/2 inch hose connection shall be 1-1/2
inch, 11-1/2 NPSH and 3/4-inch hose connection shall be 3/4-inch 11-1/2 NH.
Outlet connection shall be so fabricated that it can be removed, rotated 180
degrees, and reinstalled on the reel.
3.10 Seals.
The AFFF rotating joint connection shall be sealed to provide a
liquid tight between flanged reel inlet connection and the rotating hub on the
The rotating joint shall not bind under loading (or shall be so
reel drum.
supported to prevent a bending load being applied), shall have provisions for
lubrication of moving parts, and shall be easily disassembled for maintenance
purposes.
3.11 Shock.
The reels shall withstand the grade A, class I, type A shock
test in accordance with MIL-S-901.
Hose guides when ordered shall be included in
the shock test program.'
8
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals