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Eagle™ 500 and 550 Rotors Specifications
The full- or part-circle sprinkler shall be a water-lubricated
gear drive rotor capable of covering a ____ (units) radius
at a base pressure of ____ (units) and a discharge rate of
____ (units). The rotor shall be installed with a number ____
nozzle that shall be ____ in color for ease of identification.
The part-circle sprinkler shall have adjustable arc coverage
of 30° to 345°. Arc adjustment can be performed with
or without the rotor in operation and shall require only a
flat-blade screwdriver. The part-circle rotor shall rotate
through a 180° arc in 30 seconds or less. Rotation through
360° shall be two minutes or less for the full-circle
sprinkler.
The sprinkler shall be fully serviceable from the top without
requiring special tools. The internal assembly shall be retained
in the case by a plastic snap ring. The rotor shall have a
bearing guide that allows water to flush around the riser
stem as it pops up and seals against the riser when it is
fully raised. The retract spring shall be of stainless steel
and of sufficient force for positive pop-down.
The nozzle housing cover of the rotor shall indicate the
model, identify the installed nozzle and have an arrow to
indicate the position of the nozzle, and shall provide a positive
seal against debris when the rotor is not in operation. The
housing shall be installed with one of three color-coded nozzles.
The nozzle shall be tested per ASAE S398.1 and be verified
to deliver scheduling coefficient of 1.2 or less and a Christiansen
coefficient of uniformity of 90% or greater at the specified
spacing.
The rotor body shall be molded of engineering grade plastic
and shall have a double-wall construction female (NPT, BSP
or ACME) bottom inlet.
The sprinkler shall be as manufactured by Rain Bird Sprinkler
Mfg. Corp., Glendora, California, U.S.A.
Optional Feature—Electric Valve in Head (e.g., 500E
or 550E). The sprinkler shall have a 24 VAC 50/60 cycle solenoid
actuated normally closed control valve in the base of the
case. The rotor shall have a pressure regulator which is adjustable
from the top using a small flat-blade screwdriver. The rotor
shall have a top serviceable selector that allows the unit
to be operated manually, in automatic mode or shut off entirely.
The rock screen and valve seat shall be serviceable from
the top.
The rotor case shall have a top diameter of 6.25" (15,9
cm) and an overall height of 12.0" (30,5 cm). The case
shall have a 1.25" (3,2 cm) NPT, BSP or ACME threaded
inlet.
Optional Feature—Normally Open Hydraulic Valve in Head
(e.g., 500H or 550H). The sprinkler shall have a normally
open hydraulic control valve in the base of the case. The
rock screen and valve seat shall be serviceable from the top.
The rotor case shall have a top diameter of 6.25" (15,9
cm) and an overall height of 12.0" (30,5 cm). The case
shall have a 1.25" (3,2 cm) NPT, BSP or ACME threaded
inlet.
Optional Feature—Stopamatic Valve in Head (e.g., 500S
or 550S). The sprinkler shall have a Stopamatic valve in the
base of the case. The valve shall hold back at least 15' (4,6
m) of elevation. The rock screen and valve seat shall be serviceable
from the top.
The rotor case shall have a top diameter of 6.25" (15,9
cm) and an overall height of 12.0" (30,5 cm). The case
shall have a 1.25" (3,2 cm) NPT, BSP or ACME threaded
inlet.
Optional Feature—Block Configuration (e.g., 500B or
550B). The sprinkler shall have a spring-loaded SEAL-A-MATIC™
holdback device in the base of the case and shall be used
with a pressure-regulating in-line electrically actuated valve.
The device shall hold back at least 10' (3,1 m) of elevation.
The rotor case shall have a top diameter of 4.25" (10,8
cm) and an overall height of 9.6" (24,5 cm). The case
shall have a 1" (2,5 cm) NPT, BSP or ACME threaded inlet.
Optional Feature—Block Rubber Cover Configuration (e.g.,
500BRC or 550BRC).
The sprinkler shall have a spring loaded SEAL-A-MATIC hold-back
device in the base of the case and shall be used with a pressure
regulating in-line electrically actuated valve. The device
shall hold back at least 10' (3,1 m) of elevation.
The sprinkler shall have a three-part rubber cover. The rubber
nozzle housing cover shall indicate the model, identify the
installed nozzle and have an arrow to indicate the position
of the nozzle, and shall provide a positive seal against debris
when the rotor is not in operation. The rubber cover shall
include a rubber snap ring cover and a rubber outer ring.
The rotor case shall have a top diameter of 4.75" (12,1
cm) and an overall height of 10.0" (25,4 cm). The case
shall have a 1" (2,5 cm) NPT, BSP or ACME threaded inlet.
