Trisun is a professional manufacturer of mechanical seals, metal bellow seals, cartridge seals, dry gas seals, mixer and agitator seals, sealing support system and OEM pump seals since 1998.


Our double cartridge seals interchangeable with following models:
John Crane: 5620, 2648, 3648, SB2, 4620P;
Burgmann: Cartex-DN
Flowserve: ISC2BB, ISC2PP
AES: CDFC, CDSA, DMSF, CDP/CDPN
Chesterton: 255, 280, S20, 225
Other brands: FAS73, FAS75, 365, Safematic SE2-A-50-QRMG. 

Our Single Cartridge seals equivalent to: 
John Crane: 5610, 5610Q, 5611, 5611Q, 4610, SB1, B1A, 1648, T5860
Burgmann: HRC-N, UNITEX, Cartex, TSK1, Cartex-QN
Flowserve: ISC1BX, ISC1EX, ISC1PX, D, DP, DQ, DX, DZ, QB, UC
AES: ACONII, CURC, SCUSI, SMSS, CSSN, CSS, CURE
Chesterton: 155, 156, 180, ZF, S10, 150, 170
Safematic: Safeseal SE2-AP-60-305145, SE2-A-50-QRMG for Sulzer pumps AHLSTAR APP4, APP3.