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DS05 DIAL SET PRESSURE REGULATING VALVE

62-3041—2

Cleaning the Cartridge Screen

To clean the cartridge screen:

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Shut off the supply valve and open a downstream
faucet to relieve the system pressure.

CAUTION

To prevent injury and/or equipment damage, loosen
locking screw and turn adjusting knob
counterclockwise to remove spring tension. Do
not remove screw.

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Loosen locking screw and 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
as shown in Fig. 3.

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Remove and clean the cartridge screen.

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Replace the cartridge screen and make sure the O-rings
are installed properly.

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Carefully clean the cartridge seat area.

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Insert the 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.

쐅

Replace the spring and bonnet.

쐈

Readjust the outlet pressure to the desired setting by
using the procedure described in Changing the Outlet
Pressure section.

Recalibration

If the dial knob assembly has been disassembled,
recalibration is necessary. Recalibrate as follows:

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Install a good quality pressure gauge at the gauge tap
connection.

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Open supply pressure and adjust spindle until gauge
shows 60 psi.

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Reassemble dial ring and adjustment knob so dial
reads 60 psi.

O-RINGS

WASHER
(LIP UP)

M7313A

LOOSEN THE SETPOINT DIAL LOCKING SCREW.

UNSTRESS THE
PRESSURE SPRING
BY TURNING COUNTER-
CLOCKWISE .

UNSCREW THE BONNET WITH MT06A SERVICE TOOL.

REMOVE CARTRIDGE USING TWO SCREWDRIVERS AS LEVERS.

WHEN REASSEMBLING,
ENSURE O-RINGS AND
WASHER ARE PROPERLY
INSTALLED

REASSEMBLE BONNET IN REVERSE ORDER.

MT06A SERVICE TOOL
(ORDER SEPARATELY)

Fig. 3. Replacing the DS05 cartridge.

Содержание DS05

Страница 1: ...tatic pressure only FEATURES Built in factory calibrated outlet pressure adjustment dial Noncorroding unitized cartridge contains all working parts and is easily replaceable Includes built in strainer and thermal bypass Balanced seat construction provides superior pressure regulation Inlet and outlet are internally threaded female NPT and externally threaded for use with union assemblies Gauge tap...

Страница 2: ...s ASSE Std 1003 Certified IAPMO CSA and City of L A Listed Dimensions See Fig 1 4 5 16 4 5 16 5 9 16 5 9 16 2 1 16 2 1 16 2 5 8 2 5 8 52 52 66 66 3 3 16 3 1 2 3 15 16 4 11 16 81 89 100 119 1 2 3 4 1 1 1 4 SIZE INCHES H h l 110 110 141 141 3 7 8 4 5 16 5 1 4 6 3 16 4 5 8 5 3 16 6 1 2 7 11 16 1 NON UNION MODEL CONFIGURATION 2 SINGLE UNION MODEL CONFIGURATION 3 DOUBLE UNION MODEL CONFIGURATION 4 DIME...

Страница 3: ...psi pressure differential If 12 gpm capacity is required with only 10 psi falloff allowable a 1 2 in DS05 is required Table 1 Water Capacities Pressure Differential Between Inlet and Outlet Pressure Reduced 25 psi 50 psi 75 psi 100 psi or more Regulator Valve Size Pressure Falloff psi Flow Capacity US gpm Velocity ft sec a Flow Capacity US gpm Velocity ft sec a Flow Capacity US gpm Velocity ft sec...

Страница 4: ... 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 Open the supply valve slowly and check for leakage and proper operation of the ...

Страница 5: ... the washer on top of the cartridge NOTE The inner lip must be pointing up to avoid damaging the diaphragm 쐅 Replace the spring and bonnet 쐈 Readjust the outlet pressure to the desired setting by using the procedure described in Changing the Outlet Pressure section Recalibration If the dial knob assembly has been disassembled recalibration is necessary Recalibrate as follows Install a good quality...

Страница 6: ...e cartridge as shown in Fig 3 Freezes up Replace bonnet or cartridge if damaged To avoid future freeze up Temporarily slightly open a downstream faucet if the DS05 will be exposed to temperatures below 32 F 0 C The slight water flow will eliminate freeze up Move the DS05 to a location with an ambient temperature above 32 F 0 C If it is currently exposed to prolonged temperatures below 32 F 0 C Pre...

Страница 7: ...e to increase the spring force and require a higher downstream pressure to close the valve Similarly reducing the spring force lowers the outlet set pressure A factory calibrated dial is built into the adjustment mechanism to allow outlet pressure no flow to be set without a gauge A locking screw maintains the setting A black plastic cover is provided to conceal the setting and protect the DialSet...

Страница 8: ...Nut Female NPT Threaded Tailpiece and Gasket K06U1077 Union Kit 3 4 in includes Nut Female NPT Threaded Tailpiece and Gasket K06U1085 Union Kit 1 in includes Nut Female NPT Threaded Tailpiece and Gasket K06U1135 Union Kit 1 1 4 in for D05 D505 includes Nut Female NPT Threaded Tailpiece and Gasket K06U1093 Union Kit 1 2 in includes Nut Sweat Tailpiece and Gasket K06U1101 Union Kit 3 4 in includes N...

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