Dwyer Instruments SERIES HNV Catalog Page
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SERIES HNV | W.E. ANDERSON™ BY DWYER
NEEDLE VALVE 1-VALVE BLOCK MANIFOLDS
For Use with Gas and Liquids, Pressures Up to 6000 psi
H MAX
CONNECTION SIZE
VALVES
ConnectionAin [mm]
1/8˝ F x F
1/8˝ M x F
1/4˝ F x F
1/4˝ M x F
3/8˝ F x F
3/8˝ M x F
1/2˝ F x F
1/2˝ M x F
A
3/4˝ F x F
3/4˝ M x F
1˝ F x F
A
1˝ M x F
7/8 [22.3]
63/64 [25]
63/64 [25]
1-17/64 [32.15]
1-1/2 [38.10]
1-25/32 [45.24]
L
in [mm]
1-31/32 [50.01]
2-11/64 [55.17]
2-3/8 [60.33]
2-9/16 [65.09]
2-3/8 [60.33]
2-9/16 [65.09]
2-9/16 [65.09]
2-49/64 [70.25]
2-61/64 [59.13]
3-5/32 [80.17]
3-23/64 [85.33]
4-7/64 [104.38]
H
in [mm]
2-3/8 [60.33]
2-9/16 [65.09]
2-9/16 [65.09]
2-49/64 [70.25]
3-23/64 [85/33]
3-3/4 [95.25]
Series HNV Needle Valve 1-Valve Block Manifolds are barstock style needle valves
that is designed for isolating instruments from liquids or gases. The valve series
features ne threading and large seat area to ensure tight shutoff. Wetted materials
are 316 SS and PTFE making these ideal for use with corrosives. The HNV has been
tested to assure vibration and thermal stability.
Body includes a lock pin to prevent accidental bonnet disengagement. The HNV is
available in male x female and female x female connections from 1/8˝ to 1˝. Tee handle
is constructed of 316 SS and allows low torque operation.
FEATURES/BENEFITS
• Pressures to 6000 psi
• Fine threading and large seat area to ensure tight shutoff
• Barstock style needle value
• 316 SS and PTFE wetted materials
• Includes lockpin to prevent accidental bonnet disengagement
APPLICATIONS
• Instruments line shut off, instrument isolation, drain valve, specially designed
for gas service and liquid applications
SPECIFICATIONS
Service: Gases and liquids compatible with wetted materials.
End Connections: NPT.
Wetted Materials: 316 SS and PTFE packing.
Pressure Limits: 6000 psi (431 bar) @ 200°F (93°C). 4000 psi (276 bar) @ 464°F
(240°C).
Temperature Limits: 464°F (240°C).
Other Materials: Handle: 316 SS.
MODEL CHART
Pipe
Female x Female
Size
Model
1/8˝
HNV-SSS31B
1/4˝
HNV-SSS32B
3/8˝
HNV-SSS33B
1/2˝
HNV-SSS34B
3/4˝
HNV-SSS35B
1˝
HNV-SSS36B
Female x Male
Model
HNV-SSS21B
HNV-SSS22B
HNV-SSS23B
HNV-SSS24B
HNV-SSS25B
HNV-SSS26B
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