Kind Attn.: Purchase Department. We proudly introduce ourselves as leading distributor of �¢??SANMUR�¢?? brand pressure switches, low range pressure switches and differential pressure switches. At �¢??SANMUR�¢?? we are committed to understand the demanding requirements of the industry. This has led us to designing, developing and manufacturing of reliable, dependable and quality products under �¢??SANMUR�¢?? brand. The products we offer are: 1. Fixed differential (Single Set Point) Pressure Switches. (Using SS diaphragm with MS, Brass & SS wetted parts in weatherproof & flameproof enclosure) 2. Adjustable Differential (Two Set Point) Pressure Switches. (Using SS diaphragm with MS, Brass & SS wetted parts in weatherproof & flameproof enclosure) 3. Low Pressure with Fixed Differential Pressure Switches. (Using SS diaphragm with MS, Brass & SS wetted parts in weatherproof & flameproof enclosure) 4. Differential Pressure Switches. (Using SS diaphragm with MS, Brass & SS wetted parts in weatherproof & flameproof enclosure) 5. Economical Pressure Switches. (Using SS diaphragm in dustproof enclosure) Our pressure switches have been approved for type tests by M/s Electrical Research & Development Association (ERDA), Vadodara, who are recognized by National Accreditation Board for Testing and Calibration Laboratories, (NABL), Department of Science and Technology (DST), Govt of India. Weather proof enclosure and tests conforming to IP-65/66 degree of protection has been approved by Institute for Design of Electrical Measuring Instruments, (IDEMI), Mumbai & ERDA, Vadodara. We are also approved by Electronics Regional Test Laboratory (ERTL) Kolkata for gas group IIA &IIB applications as per IS 2148-1981. We are approved by leading consultants like M/s Avant Garde, NHPC, Popuri Engineering & Consultancy Services, GEA Energy, and TNPL.