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General Instrument products are made with fine precision, latest automation, and by qualified professionals. They are tested and certified as per industry standards' organizations. Our products are pre-approved on most large company procurements world-wide.

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Orifice Plate


Orifice plates are most commonly used primary elements for flow measurement in pipelines based on the principle of measurement of ‘differential pressure’ created when an obstruction is placed in the fluid flow, due to increase in fluid velocity.Orifice Plates cover a wide range of applications of fluid and operating conditions. They give an acceptable level of uncertainities at lowest cost and long life without regular maintenance.

Types of Orifice Plates

1) Square Edged Concentric

2) Eccentric

3) Segmental

4)Quadrant Edge



• May be used on Liquid,gas or Steam

• Life expectancy typically 10-20yrs

• Rangeability dependent on DP cell used

• Materials of Construction in all metals and some plastics

• Easy to install

• Straight unobstructed upsteam pipe length is required 


• PMI Test

• Hardness Test

• Dye Penetration test

• Hydro Test

• Radiography Test 



• Magentic Partical Test

• Calibration


• HIC Test 



Instruments Manufacturers

Original Equipment Manufacturers

Cement, Pharmaceutical

Oil Exploration/Refineries/Petrochemicals Chemical Fertiliser Pulp & Paper Power Generation Metallurgy 



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