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31D Series
3-way Brass Ball Valve
(NPT)
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The 31D is
a 3-way, brass ball valve. It can be equipped with a manual handle or
with direct mount pneumatic or electric actuators. The direct mount actuators
eliminate the valve-actuator mounting kit, which adds unnecessary height
and expense. A full range of accessory items are available including limit
switches, solenoid valves, positioners and manual override devices.
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Features
& Benefits
•
Standard port
• Blow-out proof stem
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Live-loaded Pyramidal stem seal design
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Integrated mounting pad for actuators
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Compact assembly
• Complete line of accessories
Materials
• Body, Ball, & Stem - Brass
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Seats - RPTFE
•
Stem Seals - PFFE, Viton® or RPTFE
Available
Actuators
•
Electric
•
Pneumatic (spring return)
• Pneumatic (double acting)
•
Manual Handle |
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End
Connections • NPT Threaded (1/4" to 2")
Specifications
•
Temperature Range: 30 to 320°F
• Max. Pressure:
400 PSIG
[pressure/temperature curve]
Typical Applications
• Air Drying Equipment
• Pollution Control Equipment
• Process Control Applications
• Laundry Equipment
• Textile Dyeing & Drying
• Bottling & Dispensing Equipment
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Port
Arrangements
L Port
| Flow
Plan
A |
Position
1
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Position 2 |
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T Port
| Flow
Plan
D |
Position
1
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Position 2 |
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| Flow
Plan
E |
Position
1
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Position 2 |
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| Flow
Plan
F |
Position
1
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Position 2 |
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| Flow
Plan
G |
Position
1
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Position 2 |
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Viton®
is a registered trademark of the DuPont Corporation.
