Dag Process Instruments Pvt Ltd.Dag Process Instruments Pvt Ltd.
Pressure SwitchesLevel SwitchesFlow SwitchesTemperature Switches
Reed SwitchesPressure TransmittersAir Flow Transmitters 

Switches & Transmitters
DAG Process Instruments is leading name engaged in designing, development, manufacturing and exporting of pressure, level, flow, vacuum, temperature, differential, pneumatic and limit switches, pressure and level transmitters and cable glands. The all-encompassing range of our products include the following:


Pressure Switches
Pressure Switches

We manufacture a range of pressure switches as per the requirement of our customers. These are available in different varieties like:

• Flameproof

These are fixed differential type and diaphragm operated. The various features that this category includes are: SS-316 wetted parts, SS-316 diaphragm, flameproof to Gr.IIA & IIB, T6, ¼”NPTF process connection, IP66 cast aluminium enclosure, ¾”ETF single cable entry & SPDT microswitch.

• Weatherproof


Our weatherproof pressure switches are fixed differential types and diaphragm operated.

• Electronic


The electronic pressure switches are built on the basis of Strain Technology. They are used for pressure switch applications that include measurement.



Level Switches

Our company manufactures an array of level switches in accordance to the customer's requirement. These level switches are available in the following varieties:

• Top mounted
• External cage
• Side mounted
• Mini side mounted

Level Switches


Flow Switches
Flow Switches

We manufacture an assortment of flow switches keeping in view the specific industrial requirements of our customers. Utmost attention is given to the quality of the switches so as to give our customers the best products. Our flow switches can be availed in the following types:

• Globe type
• Vane type



Temperature Switches

Barksdale’s MT1H & T2H Series Temperature Switches provide unmatched performance, quality & reliability in a mechanical thermostat. The single set point MT1H and dual set point T2H, can switch, measure & control temperatures from -50° to 600°F (-45° to 316°C), The optional adjustable differential provides precise control while ambient compensation maintains 1/2% accuracy with external temperatures from -65° to 165°F. The MT1H & T2H Series are electrically rated for 10 amps @ 125/250 VAC & 3 amps @ 480 VAC. Standard 3- & 6-pin terminal strips simplify installation. The MT1H & T2H Series are rated NEMA 4 & 13; the optional NEMA 4X construction protects the rugged die-cast aluminum enclosure from corrosive environments. A remote bulb and capillary sensor is available in copper or stainless steel allowing the switch to be mounted up to 25 feet from the temperature source. Optional thermowells allow the sensor to work in pressurized vessels to 5000 psi. UL listed & CSA approved, MT1H & T2H Series Temperature Switches are perfect for your temperature sensing needs.

• Ambient compensated
• NEMA 4 & IP 65
• UL, CSA & CE approved

Temperature Switches


Reed Switches
Reed Switches

The range of our switches cater to the specific requirements of our clients pertaining to their needs. Keeping in mind the industry type and the specific application we manufacture our range of switches. The wide assortment of our switches include the following:

• Reed level switch
• Reed switch cum indicator
• Rota meter reed switch



Pressure Transmitters

• Smart Hart® Protocol
• Covers complete vacuum gauge and Differential pressure spectrum
• Rangeability 100:1
• Accuracy ± 0.075%
• Isolating diaphragm seals fitted as needed
• Temperature transmitter with standard T/C, RTD, Mvolt and ohms inputs
• Autrol series datasheet

Pressure Transmitters


Air Flow Transmitters
Air Flow Transmitters

• Simple to install
• Industry standard outputs
• Direct reading
• Weather-tight construction
• Rugged & reliable





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