Kaustubha udyog manufactures flameproof pressure switches from parus. These are available in pressure, vacuum and differential pressure ranges. The salient features are: high repeatability - making them reliable; precision adjustments - due to large springs; tamperproof setpoint - making them safe; rugged design and construction - ss 316 and teflon as standard wetted [parts suitable for most fluids; better sensitivity - due to large sensing area; and stability - proven, non-metallic diaphragm sensing element guards against set point drift. These switches are available in various ranges from 0.2 mbar to 600 bar.
