Hirlekar Precision Hirlekar Precision is one of the largest differential pressure gauge manufacturers in the world. Our gauges, which are based on magnetic coupling principle, are used in filtration and cryogenics industry. Quality assurance and reliability is maintained through a set of fixed protocols. More than 80% of production is exported to 50+ countries around the globe. We can communicate efficiently in English, Deutsch, Hindi, Marathi and Gujarati.