Dwyer Instruments SERIES 3MSV Catalog Page
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FLOW INLET
FLOW OUTLET
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Series
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3MSV
Compact 3-Way Ball Valve
3-Way Blow-Out-Proof Ball & Stem
The Series 3MSV Compact 3-Way Ball Valves are the perfect choice for directional
control of fluid in instrumentation and process systems. The micro finished ball and PTFE
seats ensure quality seal and easy operation. The straight through flow path design allows
for minimal pressure drop. The valve body comes in either brass or 316 SS, offering a variety of options. Blow-out-proof ball and stem provides extra durability and safety in the
event of over pressure.
Valve
Body
Brass
Connection
Type
Fractional
Tube Fitting
Female
NPT
Inlet
Size
1/8˝
1/4˝
1/4˝
3/8˝
1/2˝
1/2˝
3/4˝
1/8˝
1/4˝
3/8˝
1/2˝
Outlet
Orifice
Size
in (mm)
1/8˝
0.093 (2.36)
1/4˝
0.125 (3.18)
1/4˝
0.187 (4.75)
3/8˝
0.250 (6.35)
1/2˝
0.250 (6.35)
1/2˝
0.437 (11.10)
3/4˝
0.437 (11.10)
1/8˝
0.125 (3.18)
1/4˝
0.250 (6.35)
3/8˝
0.250 (6.35)
1/2˝
0.437 (11.10)
Model
3MSV-BD110
3MSV-BD220
3MSV-BD230
3MSV-BD340
3MSV-BD440
3MSV-BD450
3MSV-BD550
3MSV-BF120
3MSV-BF240
3MSV-BF340
3MSV-BF450
Valve
Body
316
Stainless
Steel
Handle Position
Right
Left
Straight
SPECIFICATIONS
Service: Gases and liquids compatible
with wetted materials.
Wetted Materials:
Body, connector: 316 SS or brass;
Stem, ball: 316 SS;
Stem O-ring, connector O-ring,
back-up rings: Fluoroelastomer;
Ball seats: PTFE.
Connection
Type
Fractional
Tube Fitting
Female
NPT
Inlet
Size
1/8˝
1/4˝
1/4˝
3/8˝
1/2˝
1/2˝
3/4˝
1/8˝
1/4˝
3/8˝
1/2˝
Outlet
Size
1/8˝
1/4˝
1/4˝
3/8˝
1/2˝
1/2˝
3/4˝
1/8˝
1/4˝
3/8˝
1/2˝
Orifice
in (mm)
0.093 (2.36)
0.125 (3.18)
0.187 (4.75)
0.250 (6.35)
0.250 (6.35)
0.437 (11.10)
0.437 (11.10)
0.125 (3.18)
0.250 (6.35)
0.250 (6.35)
0.437 (11.10)
Valves, Ball,
Manual
Flow Path
B-C
B-A
All closed
See website for dimensions.
Pressure Limits: 1500 psig (103 bar).
Temperature Limit: -40 to 350°F (-40
to 176°C).
Connections: Female NPT, fractional
tube fitting.
Model
3MSV-SD110
3MSV-SD220
3MSV-SD230
3MSV-SD340
3MSV-SD440
3MSV-SD450
3MSV-SD550
3MSV-SF120
3MSV-SF240
3MSV-SF340
3MSV-SF450
485
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