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Honeywell DS05, Manual, Page: 7 / 8

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Honeywell DS05 Manual Download Page 7

DS05 DIAL SET PRESSURE REGULATING VALVE

62-3041—2

7

Fig. 4. DS05 exploded view.

OPERATION

The Honeywell Braukmann DS05 Dial Set Pressure
Regulating Valve is a balanced, direct acting pressure
regulating valve. The DS05 provides constant downstream
pressure regardless of varying inlet pressures and
downstream flow demands.

The spring force holds the valve in the open position until
downstream pressure, sensed by a port, is sufficient to press
on the underside of the diaphragm and close the valve. As
downstream pressure drops due to demand, the force on the
diaphragm is reduced and the valve opens. Adjustment is
made by manually turning the adjustment knob clockwise
          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 from moisture
and debris.

Once the outlet pressure is set, the DS05 automatically
regulates to maintain the downstream pressure. See Fig. 5 for
the internal construction of the DS05.

NOTE:

Minimum ambient rating is 33

°

F (1

°

C).

60

INLET

OUTLET

M7327

60

NUT

TAILPIECE

GASKET

GAUGE TAP PLUG

NUT

TAILPIECE

GASKET

BODY

O-RING

O-RING

SCREEN

CARTRIDGE

WASHER

SPRING

SPINDLE

BONNET

DIAL RING

ADJUSTING
KNOB

LOCKING SCREW

DUST CAP
(BLACK)

M7314

Fig. 5. Internal construction of DS05.

Summary of Contents for DS05

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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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