DS05 DIAL SET PRESSURE REGULATING VALVE
62-3041—2
4
CAUTION
To prevent injury and/or equipment damage, loosen
locking screw and turn adjusting knob
counterclockwise to remove spring tension.
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Turn adjusting knob counterclockwise to remove
spring tension.
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Remove the bonnet and washer using an MT06A
Service Tool.
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Remove the cartridge using two screwdrivers as levers.
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Attach new O-rings and screen onto the new cartridge.
Make sure O-rings are properly installed above and
below the screen.
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Insert the new cartridge. Do not scratch the sides.
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Place the washer on top of the cartridge.
NOTE:
The inner lip must be pointing up to avoid
damaging the diaphragm.
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Replace the spring and bonnet.
쐅
Readjust the outlet pressure to the desired setting by
using the procedure described in Changing the
Downstream Pressure section.
INSTALLATION
When Installing this Product...
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Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous
condition.
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Check the ratings given in these instructions and on the
product to make sure the product is suitable for your
application.
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Installer must be a trained, experienced service
technician.
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After installation is complete, check out the product
operation as provided in these instructions.
Procedure
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Flush the system clear of sediment or debris.
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Close the supply valve and downstream isolating valve
(if one is installed).
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Install the DS05 with the arrow on the body pointing in
the direction of water flow. (The DS05 can be mounted
in any position.)
The DS05 can be installed directly onto the pipe by using the
female NPT threads on each end. If space limitations restrict
turning the DS05, install single- or double-unions.
NOTE:
Heat from soldering can damage internal parts of
the DS05. Always solder the tailpieces separately
from the DS05.
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Open the supply valve slowly and check for leakage
and proper operation of the DS05.
Changing the Downstream Pressure
(See Fig. 2)
Remove the dust cap from the DS05. The DS05 is factory set
to 60 psi.
To adjust the outlet pressure to a desired setting:
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Loosen the locking screw by turning one turn counter-
clockwise (Do not remove this screw.)
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Turn the adjusting knob counterclockwise to
reduce pressure or clockwise to increase
pressure.
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Lock the setting by turning the locking screw
clockwise .
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Replace the dust cap over the dial.
MAINTENANCE
Replacing the Cartridge (See Fig. 3)
The working parts of the DS05, including diaphragm, valve
seat, strainer, and disk are all contained in a replaceable
cartridge. To replace the cartridge:
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Shut off the supply valve and open a downstream
faucet to relieve the system pressure.
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Loosen the setpoint locking screw by turning
counterclockwise (Do not remove this screw.)
60
60
LOOSEN LOCKING
SCREW ONE TURN
ADJUST SETPOINT AT THE DESIRED VALUE BY ACTUATING SELECTOR.
INLET PRESSURE (MAXIMUM): 400 PSI
REDUCED PRESSURE RANGE:
15 TO 150 PSI 1/2 IN. –1 IN. SIZE
15 TO 130 PSI 1 1/4 IN. SIZE
NOTE: DO NOT DISMANTLE KNOB
SET-POINT READOUT HAS BEEN CALIBRATED
IN THE FACTORY AND SET AT 60 PSI.
DISMANTLING THE SELECTOR KNOB WILL
CANCEL THIS CALIBRATION. RECALIBRATE
USING A PRESSURE GAUGE. SEE RECALIBRATION.
M7315B
Fig. 2. Changing outlet pressure.