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Switzer Instrument Limited
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FLOW INSTRUMENTS
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| Switzer flow switches
/ indicators are versatile instruments designed suitable for
different pipe sizes with sensors such as Paddle, Piston, Valve
disc to handle any fluid. Delta tube, multi port averaging Pitot
Tube flow element, is an excellent device which provides stable
differential pressure output. Delta Tube has low installation
and operating costs which is a major factor in large diameter
piping and results in energy savings and years of trouble-free
operation |
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Flow Switches
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| Paddle
Type |
PADDLE
TYPE - Fire Fighting – Sprinkler
application |
- Models AM / BM /
CM
- SS Paddle with Bellows
Seal
- Body & Bellows
Brass + Ph.Bronze or SS
- Line Size 5 to 300
mm NB
- Actuation Limits 3
to 3600 L / Min
- Switching Accuracy
2%
- Snap acting micro switch
- One or Two
- Weatherproof Engineering
Plastic / Aluminium or Flame proof
Aluminium enclosures
- Model
AM is for Air flow in ducts only -
Actuation can be set between 2 to
9 Mtrs. / sec
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Brochures
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Manuals
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AM , BM  |
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CM |
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- Models SM
- Large flexible paddle
(HDPE)
- Brass body
- Line Size 50 to 150
mm NB
- Actuation Limits 15
to 40 L / Min
- Time Delay 60 Sec.
adjustable
- Max. Working Pr. 15
bar
- Snap acting micro switch
- Switching Accuracy
2%
- Engineering
Plastic IP : 65 enclosure
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| Piston
& Magnet |
Mini
Paddle Type |
- Models
HR
- SS Piston with Barium
Ferrite Magnet
- Body SS or Brass
- Line Size 8 to 80 mm
- Actuation Limits 0.5
to 500 L / Min.
- Max. Working Pr. 100
bar
- Snap acting Micro switch
or Reed switch
- Switching Accuracy
2%
- Engineering Plastic
IP : 55 enclosure
- Application Liquids
only (viscosity up to 220 cst)
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- Model
PM
- SS Paddle
- Body Brass or SS
- Line Size 10 to 50
mm
- Actuation Limits 2
to 53 L / Min.(Narrow Adjustability)
- Max. Working Pr. 16
bar
- Snap acting micro switch
- Engineering Plastic
IP : 55 enclosur
- Application
- Liquids only
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| Piston
Type |
Indicating
Switch |
- Models FM
- Brass Piston and Body/li>
- Line Size 8 to 15 mm
- Actuation Limits 0.4
to 23 L / Min (factory set –
Not field adjustable)
- Max. Working Pr. 15
bar std. 100 bar optional
- Switching Accuracy
2%
- Snap acting micro switch
- Engineering Plastic
IP : 55 enclosure
- Application Liquids
only
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- Models UZ
- Body 394 / 316 SS
- Line Size 15 to 50
mm NB
- Actuation Limits 60
to 600 L / Min.
- Max. Working Pr. 16
bar
- Snap acting micro switch
with LED Indication
- Switching Accuracy
3%
- Dial 150 mm Nominal,
Scale 270°
- Gauge Case IP : 66
Aluminium
- Application water only
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FLOW INDICATOR
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| Flow
Indicator |
- Model
UZ
- Body 394 / 316
SS
- Line Size 15
to 50 mm NB
- Actuation Limits
60 to 600 L / Min.
- Max. Working
Pr. 16 bar
- Snap acting micro
switch with LED Indication
- Switching Accuracy
3%
- Dial 150 mm Nominal,
Scale 270°
- Gauge Case IP
: 66 Aluminium
- Application
water only
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ELEMENTS
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| DELTA
TUBE - MULTI PORT AVERAGING PITOT
TUBE |
- Models 300,
301, 302, 306, 307/308
- Models 311/312,
321, 322, 331, 332, 323
- Models 341 thru
391, 342 thru 392, 343 thru
393
- “Tear-Drop”
Shaped Flow Elements
- In line, Insertion
and Hot Tap versions
- Line sizes from
1/2” to 72” standard.
Larger sizes optional
- Safety chain
option
- Connections Both
1/4" FNPT (Standard) and
1/2" FNPT
- Accuracy up to
+/- 1.0% of Actual Flow,
- Repeat Accuracy
+/- 0.1%. )
- Low pressure
loss
- Measurement of
Liquids, Gases, or Steam.
- Designed for
Use with Differential Pressure
Gauges, Transmitters, Totalizers,
and Chart Recorders.
- Easy, Cost-efficient
Installation and Operation.
- Custom Application
Design and Manufacture Available
- Instrument Valves
(Needle) Available in Carbon
Steel or Stainless Steel
- Direct Transmitter
Mounts Available on “Insertion-Type
Sensors”
- OS&Y Gate
Valves can be substituted for
Ball Valves on Hot Tap
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Brochures
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300
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301/ 302
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307/308
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311-Duct
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311-Pipe
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323
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341
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| © 2009 Switzer Instrument Limited.,
All Rights Reserved |
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