crane mechanical seals for pumps 1.Usage:oil production,shipbuilding,etc. 2.Pressure: Up to 62kg/cm2 3.Face: Carbon, SiC, SS John crane mechanical seals for pumpsOperating Conditions:Pressure: Up to 62kg/cm2Temperature: -20oC~200oCSpeed: Up to 25m/sMaterials:Face: Carbon, SiC, SSiC, TCSeat: Ceramic, SiC, SSiC, TCO-Ring: NBR, EPDM, VitonMetal: 304SS, 316SSSeat Compatibility:Standard: UAlternatives ...