1,502 John crane seal 2,Rubber Bellows 3,Carbon/SIC/Viton 4,Single spring 5,Pump seal Temperature: -40~150°cPressure: ≤4MpaSpeed: ≤13m/secUsed in all kinds of rotaring equipment, pumps, mixers, agitators and compressors. To suit mediums such as oil, water, weak acids and solvents. John crane seal type 502