... bellow mechanical seal,which most of mechanical seal are equivalent to Burgmann mechanical seal, John Crane mechanical seal, ... , G9, M7N.100% inspection, all products are checked to esure highest of standards.Working conditionsMediums: water, oil, acid ... , alkali, etcTemperature: -20 to 180 centigrade degreePressure: Up to 10barCombined MaterialsStationary ring(seat): ceramic/sic/TCRotary ...