Vikalo Instruments is leading manufacturing company to provide Process Engineering Solutions with our industrial products such as Pressure & Temperature Gauges,Thermocouple,Rtd,Industrial Heater and other process equipment in the Instrumentation Engineering filed.

1. Product : Pressure & Temperature Gauges
VIKALO
INSTRUMENTS
Process Engineering Solutions

2. About Us
 Vikalo Instruments is established as an independent 100% own
manufacturingcompanyto provide process Engineeringsolutionswith our
pressure & temperature gauge products.
 Team work of 4 technocrats with 10 years of well and rich experience in the
field of instrumentation and known latest manufacturingtechniques enable
Vikalo Instruments to offer newdevelopment at each stage of journey of
progress.
 The company's primaryobjective is to upgrade the existingproducts and to
consistentlydevelop innovative products which can be an import substitute
to the present.
 Vikalo as an organizationfunctions on modern methods ofmanufacturing,
excellentlydesigned facilities as well as sufficient infrastructure to produce
high qualityproduct and employs state-of-the-art technologyto deliver top
qualityproducts thatmatch global standard requirement .Synonymouswith
excellence.Vikalo Instruments is recognized not just for its high quality
products that are compliant with global standard requirement,but also for
developinginnovationsolution thatdeliver additional value to the
customers.’Vikalo‘s products are developed to meet specificrequirements
ofemerging sectors like Pharmaceutical,Fertilizers,Glass,Textile, Water
Treatment,Chemicals ,Pulp and Paper Industries and Hydraulics etc.
Process Engineering Solutions

3. Index – Products Model
BMTG – BimetallicTemperatureGauge
MFTG – Mercury Temperature Gauge
DGTG – Digital TemperatureGauge
PGB1 – Commercial Pressure Gauge
PGB2 – Industrial PressureGauge
GFTG – Gas Filled TemperatureGauge
PGB3 – Seal Diaphragm PressureGauge
PGB5 – Solid FrontPressureGauge
PGC1 – Capsule DiaphragmGauge
PGC2 – Capsule Pressure Gauge
PGDP1 – Single DiaphragmDiff.Gauge
PGB4 – Master/TestPressureGauge
Process Engineering Solutions

4. Index – Products Model
PGDP2 – Double DiaphragmDiff.Gauge
PGDP4 – Capsule Diff.PressureGauge
PGDP5 – Bourdon Diff.Pressure Gauge
A1 - Syphone
A2 – Snubber
PGDP3 – MagneticPiston Diff.Gauge
A3 – Gauge Cock
A5 – Needle Valve
A6 – Ball Valve
A7 - ManifoldValve
A8 – Thermowell
A4 – Gauge Saver
Process Engineering Solutions

5. Technical Tour
Temperature Gauge
Technical
Process Engineering Solutions

6. Temperature Gauge - Basic
 Principleof operation :-
 A change in temperature causes some kind of mechanical motion, typically due to
the fact that most materials expand with a rise in temperature. Mechanical
thermometers can be constructed that use liquids, solids and gases as the
temperature-sensitive material.
 Thermometers are based on the principle that some physical property of a system
changes as the system’s temperature changes.
 Types of Temperature Gauge(According to Mechanical Construction):-
1. Bimetallic Temperature Gauge
2. Inert Gas Filled Temperature Gauge
3. Mercury Filled Temperature Gauge
Process Engineering Solutions

7. BimetallicTemperature Gauge
The temperature is measured with a bimetal strip inside the thermometer stem.
The bimetal strip consists of two metal strips bonded together that have different
thermal expansion coefficients. Therefore, one strip will expand faster than the
other causing the bimetal strip to curl in proportion to its temperature.

BimetallicHelix
Process Engineering Solutions

8. BimetallicTemperature Gauge
 The bimetal system is helically wound and heat treated for long term stability.
Temperature variations cause the bimetal strip to unwind or wind tighter, which
in turn rotates the pointer.
Diagram :- Basic BimetallicGaugeConstruction
Process Engineering Solutions

9. Gas/Mercury Temperature Gauge
 Principleof operation :-
 A gas expansion thermometer is made of a cylindrical bulb filled with inert gas &
uses the volume expansion of gas at temperature changes. Gas pressure changes
inside the bulb due to temperature changes, are sensed by a special helical
bourdon tube, which, connected to an amplifying device will give the pointer,
movementproportional to the temperature.
 Liquid expansion thermometer is based on same principle but we filled cylindrical
bulb with liquid with pressure.
 Argon Gas usually is used for Gas expansion thermometers & Mercury is used for
Liquid expansion thermometers.
Process Engineering Solutions

10. Gas/Mercury Temperature Gauge
Diagram :-
Inert Gas Filled
Gauge Construction
Process Engineering Solutions

11. Temperature Gauge
 Some Technical Points :-
1. Inert Gas filled gaugehas fast response time and better accuracy as compared to
other bimetallic and Liquid filled type thermometer.
2. Electric contact switch can provide only in Gas filled & Mercury filled type gauge.
used as on/off switch on high and low set temperature.
3. In the filed to measure temperature over long distance (up to 30 meter) use
extensionCapillary only in Gas filled and Liquid Filled gauge.
4. In Bimetallic temperature gaugecan use a limit stem length (up to 1500 mm).
5. Bimetallic gaugehas low cost ,simple construction and gas filled & Liquid
expansiongaugeare expensive.
6 . In mechanical thermometer, no external output temp indicating source is .
required. It is Direct contact temperature measurement instrument.
Process Engineering Solutions

12. DimensionalDrawing
Process Engineering Solutions

13. DimensionalDrawing
Process Engineering Solutions

14. Technical Tour
Pressure Gauge
Technical
Process Engineering Solutions

15. Pressure Gauge - Basic
 Pressureis the action of one force againstanother force. Pressure is force applied
to, or distributed over, a surface. The pressure P of a force F distributed over an
area A is defined as
 The Pascal (symbol: Pa) is the SI derived unit of pressure.
KG/CM2 MBAR PA MPA MMWC In HG mm H20 Cm H20
BAR PSI KPA MMHG Cm Hg ATM In H20 oz/in2
Process Engineering Solutions

16. Pressure Gauge - Basic
Pressure ArrowDiagram
Process Engineering Solutions

17. Types Of Pressure Gauge
 Commercial/Utility Pressure Gauge Duty(Bourdon Sensing)
 Industrial Heavy Duty Pressure Gauge(Bourdon Sensing)
 Master/Test Pressure Gauge(Bourdon Sensing)
 Solid Front Safety Patter Pressure Gauge(Bourdon Sensing)
 Seal Diaphragm Pressure Gauge(Diaphragm Sensing)
 Industrial Capsule Pressure Gauge(Capsule Sensing)
 Capsule Diaphragm Pressure Gauge(Capsule-Diaphragm Sensing)
 Single Diaphragm Differential Pressure Gauge(Diaphragm Sensing)
 Bourdon Sensing Differential Pressure Gauge(Bourdon Sensing)
Process Engineering Solutions

18. Pressure Gauge – Bourdon Tube
 Working Principle :-
Bourdon tube measuring element is made of a thin-walled C-shape tube or spirally
wound helical or coiled tube. When pressure is applied to the measuring system
throughthe pressure port (socket), the pressure causes the Bourdon tube to
straightenitself, thus causing the tip to move. The motion of the tip is transmitted
via the link to the movement which converts the linear motion of the bourdon tube
to a rotational motion that in turn causes the pointer to indicate the measured
pressure.
“C” Type Bourdon Coiled Bourdon
Process Engineering Solutions

19. Pressure Gauge – Diaphragm
 Working Principle :-
A Diaphragm seal is device in which flexible membrane (diaphragm)seals and
isolatethe measuring instrument from the process medium.
Diaphragm seal protects the pressure sensor from the harmful and hazardous
effect of the process fluid.
Where diaphragmseal is essential ?
 Corrosive process fluid
 Process fluid having sediments or solid particles
 Hazardous Process fluid
 Freeze or crystallize at lower temp.
 Highly viscous process fluid
Process Engineering Solutions

20. Pressure Gauge – Capsule
 Working Principle :-
Capsule Pressure gauges are designed for measuring low/very low pressures and
vacuum. The capsule consists of two diaphragms joined and sealed around their
circumference. Normally, pressure is applied to the inside of the capsule, which
changes shape as a result. By means of a link and gear movement system, this
deflection is converted into rotation of a concentric pointer indicating pressure
on a dial.
Process Engineering Solutions

21. DimensionalDrawing
Process Engineering Solutions

22. DimensionalDrawing
Process Engineering Solutions

23. DimensionalDrawing
Process Engineering Solutions

24. Accessories – Pressure Gauge
 Syphon:Protect pressure gauge from the effect of rapid pressure surges and hot
pressure media.
 Snubber :For Suppress the effect of sudden pressure pulses and fluctuation of
pressure peaks.
Process Engineering Solutions

25. Accessories – Pressure Gauge
 Needle Valve : Intended to isolate the pressure gauge from the measured fluid or
to provide a means of throttling or dampening pressure pulsation.
 Gauge Cock : Shut-off device for pressure gauges, for measurement of liquid,
Gases and steam
Process Engineering Solutions

26. Accessories – Pressure Gauge
 Gauge Saver : Used for protect pressure gauge againstexceed pressure.
 Manifold Valve :Intended for isolating & pressure equalizing.
Process Engineering Solutions

27. Accessories – Temperature Gauges
Thermowell provide protection for
temperature gauge probe against
unfavorable operating conditions
such as corrosive media, physical
impact (e.g. Clinker in furnaces) and
high pressure gas or liquid. Their use
alsopermits quick and easy probe
interchanging without the need to
“open-up” the process. it is closed-
end reentrant tube designed for
insertion of a temperature-sensing
element, and provided with means
for a pressure-tight attachmentto a
vessel.
Process Engineering Solutions

28. Product Overview – Temperature Gauge
Process Engineering Solutions

29. Product Overview – Pressure Gauge
Process Engineering Solutions

30. Product Overview – Pressure Gauge
Process Engineering Solutions

31. ReferenceStandards
Sr. No. Standards Descriptions
1 ASME B40.200 For Bimetallic Temperature Gauge Manufacturing
2 IS 13211 For Vapor Pressure Dial Type Thermometer Specifications
3 EN-13190 For Temperature Gauge Calibration
4 SAMA CLASS-III For Gas Filled Type Temperature Gauge Manufacturing
5 SAMA CLASS-V For Mercury Filled Type Temperature Gauge Manufacturing
6 EN-837-1 For Bourdon Type Pressure Gauge – Dimension,Metrolog,
Requirements and Testing
7 EN-837-2 Selections And Installation Recommendations For Pressure Gauge
8 EN-837-3 For Diaphragm And Capsule Pressure Gauge -Dimension,Metrolog
Requirements And Testing
9 IS 3624 Specifications For Pressure And Vacuum Gauges
10 IEC-60529 For Degrees Of Protection Provided By Enclosures
11 ASME PTC 19.3 For Thermowell Stress Calculations
12 ANSI B16.5 Rating For Steel Flange & Fitting Standard

32. Applications
 Power Industries
 Steel Industries
 Cement Industries
 Chemical and Fertilizer Industries
 Refinery and Petrochemical Industries
 Sugar Industries
 Pulp & paper industries
 Food & beverage industries
 Pharmaceutical
 Machine & apparatus construction
 Glass Industries

33. MarketingOffice
 Head Office
City : Udaipur, State : Rajasthan
Pin code - 313001
Contact - +91-8529371421,+91-8824344984
Email - info@vikalo.in
 Indore Office
4/5,Snehlata Ganj,Near GujaratiHouse,
City : Indore, State: Madhypradesh
Pin code - 452003
Contact - +91-8319378752
Email - marketing@vikalo.in
 Vadodra Office
Shiv ShaktiEngineering
I-80,Ayodhya Township,Tarsali
City : Vadodra, State : Gujarat
Pin code - 390009
Contact - +91-9909009190
Email - marketing@vikalo.in

34. Thank You
www.vikalo.in
(Pressure and TemperatureGauges)
Process Engineering Solutions