Model VM-1000 Series (45mm)
| Description |
 |
Matheson
Instruments has incorporated the ultimate in versatility and
the optimum in cost efficiency while retaining the quality
synonymous with the Matheson trademark in developing the
VM-1000 Series Flowmeters.
Its simplistic,
attractive design provides suitability for a wide variety of
applications involving gaseous flows. A variety of easy to
read scales are available.
The VM-1000 Series
are direct reading for air, and are available in either
English or metric units. Choose between a black glass or
stainless steel float.
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|
Integral hose barb
and male pipe thread fittings allow the instrument designer
unparalleled versatility in plumbing options. The VM-1000
Series Flowmeters are attractively situated in either a front
mount or a flush mount panel application.
These flowmeters are
available as an indicator without a valve, with a standard
metering valve or with a back pressure compensated metering
valve suitable for vacuum applications. |
| Design Features |
- Low profile,
compact design
- Low pressure drop
- Panel mounting
requires no additional hardware
- Clear view of tube
and float for quick, efficient flow readings
- Precision plain
tapered metering element
- 3" center
distance allows for competitive replacement
- 1/4" hose
with 1/8" male NPT connections
- Control valve
available on inlet or outlet
- Reference Scale
45mm
|
| Specifications |
| Pressure
Rating: |
50
psig maximum operating pressure |
| Temperature
Rating: |
150ºF
(65ºC) maximum operating temperature |
| Accuracy: |
±10%
of full scale flow rate |
| Repeatability: |
±1%
of scale reading |
| Range: |
10
to 1 or greater, i.e., 100% to 10% of full scale |
| Control
Valve Resolution: |
Five
turns from full closed to full open |
| Materials
of Construction |
| Wetted
End Blocks, and Connections: |
Zytel®
Nylon, black |
| Seal
Materials: |
Buna-N
or Viton® |
| Valve
Stem: |
Brass |
| Metering
Tube: |
Polycarbonate |
| Support
Channel: |
Noryl®,
white |
| Float
Materials: |
Black
glass or 316 stainless steel |
| Flow
Tube Capacities for VM-1000 Series Flowmeters, 45mm, Direct
Reading |
| Float
Material |
Tube
No. |
Air
(SLPM)* |
|
Tube
No. |
Air
(SCFH)* |
|
Tube
No. |
Water
(CCM) |
|
Tube
No. |
Water
(GPH) |
| Glass |
W103 |
0.5-8 |
W105 |
1-17 |
W107 |
20-220 |
W109 |
0.2-3.4 |
| Stainless
Steel |
W104 |
1-14 |
W106 |
2-30 |
W108 |
20-400 |
W110 |
0.5-6.5 |
| Glass |
W303 |
0.2-3.8 |
W305 |
0.5-8 |
W307 |
10-110 |
W309 |
0.1-1.7 |
| Stainless
Steel |
W304 |
0.5-5 |
W306 |
1-15 |
W308 |
20-200 |
W310 |
0.2-3.2 |
| Glass |
W403 |
0.5-5 |
W405 |
1-11 |
W407 |
10-140 |
W409 |
0.2-2.2 |
| Stainless
Steel |
W404 |
1-10 |
W406 |
2-20 |
W408 |
20-280 |
W410 |
0.2-4.4 |
| Glass |
W503 |
0.2-3 |
W505 |
0.5-6 |
W507 |
5-80 |
W509 |
0.1-1.3 |
| Stainless
Steel |
W504 |
0.5-5.5 |
W506 |
1-12 |
W508 |
10-160 |
W510 |
0.2-2.6 |
| *All
air flow rates are at 70ºF and 14.7 psia |
| Ordering
Information |
| Model
Series |
Number
of Metering Tubes |
|
End
Blocks/
Seal Material |
Valve
Types |
Connections |
Accessories |
Connection
Orientation |
|
Flow
Tube
(Capacities) |
|
 |
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— |
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— |
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| To
build a Rotometer Part Number, use our Rotometer Model Number
Builder. |
| Model
Number Generator for VM-1000 Series Flowmeters |
| MODEL
SERIES |
VALVE
TYPES
|
CONNECTION
ORIENTATION |
| W
= Model VM-1000 Plastic Flowmeter with 3" Centers |
M
= Short Projection Valve Inlet |
1
= Back In and Back Out |
| NUMBER
OF METERING TUBES |
N
= Short Projection Valve Outlet |
FLOW
TUBE (CAPACITIES) |
| 1
= Single Tube Unit |
Y
= No Valve/No Plug |
WXXX
= See Capacity Table Above |
| END
BLOCKS/SEAL MATERIAL |
CONNECTIONS |
|
| H
= Nylon with Buna-N Seals |
B
= 1/4" Hose |
|
| J
= Nylon with Viton® Seals
|
C
= 1/8" Male NPT |
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ACCESSORIES |
|
| |
0
= None |
|
| |
2
= Brackets only |
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|
9
= Clean for Oxygen Service |
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