Bell-gossett V58766 Triple Duty Valve Model 3DV User Manual download pdf

OPERATIONAL LIMITS

WORKING PRESSURE & TEMPERATURE LIMITS

(SOLDER TYPE LIMITS FOR ANSI STD. B.16.18)

NPT

Maximum Operating Pressure 150 psig (1034 kPa)

Maximum Operating Temperature 250°F (121°C)

MAXIMUM MAXIMUM

LIMITATIONS LIMITATIONS

TYPE OF 1/2" – 1" 1

/4" – 2"

SOLDER PRESSURE TEMP PRESSURE TEMP

PSI (kPa) °F (°C) PSI (kPa) °F (°C)

95-5 300 (2069) 200 (93) 300 (2069) 175 (79)

TIN- 250 (1724) 225 (107) 250 (1724) 200 (93)

ANTIMONY 200 (1379) 250 (121) 175 (1207) 250 (121)

Installation, Operation and Service Instructions

Triple Duty Valve

Model 3DV

WARNING: Label Part No. V56873

installed in this location (under

Bell & Gossett). If missing it must

be replaced.

SAFETY

INSTRUCTION

This safety alert symbol will be used in this manual to draw

attention to safety related instructions. When used, the safety

alert symbol means ATTENTION! BECOME ALERT! YOUR

SAFETY IS INVOLVED! FAILURE TO FOLLOW THESE IN-

STRUCTIONS MAY RESULT IN A SAFETY HAZARD.

INSTALLER: PLEASE LEAVE THIS MANUAL FOR THE OWNER’S USE.

Bell & Gossett

Instruction Manual V58766

NOTE: Bell & Gossett does not recommend 3D

Valves to be used for potable water.

CAUTION: All work must be performed by qualified

personnel trained in the proper application, installa-

tion, and maintenance of systems in accordance with all

applicable codes and ordinances.

DESCRIPTION

The Bell & Gossett Model 3DV is a combination calibrated

balance, commissioning and positive shutoff valve for use in

HVAC systems. An efficient brass venturi design provides

accurate flow balancing with minimal system pressure loss.

Valves are furnished with two readout ports for pressure and

temperature, two optional

/4" ports, a standard port ball valve

with memory stop, and a hanging ID tag for commissioning. A

variety of end connections are available on both the fixed and

union ends for sizes 1", 1

/4", 1

/2" and 2".

The 3DV provides highly accurate flow measurement

capabilities.

INSTALLATION INSTRUCTIONS

1. For installing Sweat Connections:

a) Clean tube ends and valve connections thoroughly per

good piping practices with a fine grade emery cloth or

fine grit sandpaper.

b) For soldering, use 95-5 (Tin-Antimony) solder and a

good grade of flux.

c) Use a torch with a sharp pointed flame.

WARNING: Damage to the 3DV or failure of solder

sealing joints may occur it these operational limits are

exceeded. This can result in water leakage. Failure to fol-

low this instruction can cause serious personal injury

and/or property damage.

WARNING: California Prop 65 Warning

This product contains a chemical known by the State

of California to cause cancer. This product contains a

chemical known by the State of California to cause birth

defects or other reproductive harm.

1 2

Summary of Contents

Page 1 - Model 3DV

OPERATIONAL LIMITSWORKING PRESSURE & TEMPERATURE LIMITS(SOLDER TYPE LIMITS FOR ANSI STD. B.16.18)NPTMaximum Operating Pressure 150 psig (1034 kPa)

Page 2 - SERVICE INSTRUCTIONS

d) When sweating the joints, first adjust the valve in the fullopen position, then wrap the valve with a cool wet ragand then direct the flame with

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Bell-gossett V58766 Triple Duty Valve Model 3DV User Manual

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