These are produced by maruti seals, a major player in the market for design and manufacturing of mechanical seals and complete sealing solutions. The quality management system are certified by bvqi, iso-9001. Double mechanical seal, mspl-508 has applications in pumps handling highly volatile and toxic fluids; and agitators and reactors. Features: single acting, balanced; unbalanced, multispring, double seal; easy to install and replace; and independent of direction of rotation. Product range: shaft dia - 16 to 140 mm [0.5" to 4"]; pressure - 25 bar; temperature - 98 to 270c; velocity - 26 m/s; and axial movement - 0.8 mm. This seal is a part of two conventional seals installed back-to-back inside stuffing box. Parts like unbalanced /unbalanced, balanced/balanced, unbalanced/balanced can be available as required. A compatible clean liquid with pressure higher than inside fluid pressure rounded to decrease heat generated on the seal face. Seal faces material of different part is available to suit service conditions. Thermosyphone system is also available.