Trisun
Chinese designer and manufacturer of fluid seals and mechanical seal systems for industrial, automotive and appliance applications.
Last updated September 27, 2026
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Overview
Trisun, formally Shanghai Trisun Parts Manufacture Co., Ltd., is a Chinese designer and manufacturer of fluid seals and mechanical sealing systems. The company is headquartered in Shanghai and operates two production facilities: one in the Songjiang Industrial Zone of Shanghai and another in the Ouhai Sanxi Industrial Zone of Wenzhou. Its corporate headquarters are in Shanghai's commercial center, with sales branches in Guangzhou and Wenzhou. The Shanghai Songjiang facility houses the company's research and development, quality inspection and logistics departments. It focuses on high-technology seals for the chemical, pharmaceutical and power industries, including dry gas seal systems, agitator seals, cartridge seals and metal bellows seals. These products are marketed as direct replacements for John Crane and Burgmann seals. The Wenzhou facility produces high-precision single-spring seals, PTFE lip seals and automotive seals, supplied to prominent enterprises in water treatment, household appliances, food processing machinery and the automotive industry. Trisun's product catalogue is broad and organized around pump types and seal technologies. It includes petroleum and gas machined mechanical seals, APV pump seals, Grundfos pump seals, Flygt and Grindex pump seals, dry gas seals, metal bellows seals, mixer and agitator seals, single and dual cartridge seals, single-spring mechanical seals, auto cooling pump seals, plastic and rubber impellers, A/C control valve and expansion valve seals, seal support systems, DuPont Kalrez and Chemraz components, thrust bearings and bushes, and sealing materials. Specific product families include the TS-MG1, TS-MG12 and TS-MG13 machined mechanical seals, the TS G3 and TS CR seals for Grundfos pumps, the TS T2 and TS T1 mechanical seals, the TS 301 single-spring mechanical seal, the TSDGS-J01 and TSDGS-J02 dry gas seals, the TSMA-J04 and TSMA-J05 mixer and agitator seals, the TSSC-J01 single and dual cartridge seal, and the TSMB-J04 metal bellows seal. Many of these are explicitly positioned as replacements for AESSEAL, Burgmann, Flowserve, Crane, MTU and John Crane equivalents. The Wenzhou factory has passed ISO9001:2008, ISO14000:2004 and ISO/TS16949:2009 certifications, as well as RoHS, REACH, FDA, WARS, NSF and TUV-EU1935 certifications. Trisun supports order samples, customization and wholesale direct purchasing through its website. The company serves industrial and chemical pump applications, water treatment, household appliances, food processing machinery and automotive industries, and it exports to global markets.
History
Trisun, formally Shanghai Trisun Parts Manufacture Co., Ltd., is a Chinese manufacturer of fluid seals and mechanical sealing systems. The company is headquartered in Shanghai's commercial center and maintains sales branches in Guangzhou and Wenzhou. It operates two production facilities: one in the Songjiang Industrial Zone of Shanghai and one in the Ouhai Sanxi Industrial Zone of Wenzhou. The Shanghai Songjiang facility houses the company's research and development, quality inspection and logistics departments. It specializes in high-technology seals for the chemical, pharmaceutical and power industries, including dry gas seal systems, agitator seals, cartridge seals and metal bellows seals. These products are marketed as direct replacements for John Crane and Burgmann seals. The Wenzhou facility focuses on high-precision single-spring seals, PTFE lip seals and automotive seals, which are supplied to prominent enterprises in water treatment, household appliances, food processing machinery and the automotive industry. The Wenzhou factory has achieved ISO9001:2008, ISO14000:2004 and ISO/TS16949:2009 certifications, along with RoHS, REACH, FDA, WARS, NSF and TUV-EU1935 certifications. Trisun's product range has expanded to cover petroleum and gas machined mechanical seals, APV pump seals, Grundfos pump seals, Flygt and Grindex pump seals, dry gas seals, metal bellows seals, mixer and agitator seals, single and dual cartridge seals, single-spring mechanical seals, auto cooling pump seals, plastic and rubber impellers, A/C control valve and expansion valve seals, seal support systems, DuPont Kalrez and Chemraz components, thrust bearings and bushes, and sealing materials. Notable product families include the TS-MG1, TS-MG12 and TS-MG13 machined mechanical seals, the TS G3 and TS CR seals for Grundfos pumps, the TS T2 and TS T1 mechanical seals, the TS 301 single-spring mechanical seal, the TSDGS-J01 and TSDGS-J02 dry gas seals, the TSMA-J04 and TSMA-J05 mixer and agitator seals, the TSSC-J01 single and dual cartridge seal, and the TSMB-J04 metal bellows seal. Many of these are explicitly positioned as replacements for AESSEAL, Burgmann, Flowserve, Crane, MTU and John Crane equivalents. The company supports order samples, customization and wholesale direct purchasing through its website. It serves industrial and chemical pump applications, water treatment, household appliances, food processing machinery and automotive industries, and exports to global markets.
Products and positioning
A manufacturer of fluid seals and mechanical seal systems positioned as a direct replacement source for major international seal brands such as John Crane, Burgmann, AESSEAL, Flowserve and Crane, serving industrial, chemical, pharmaceutical, power, water treatment, appliance, food processing and automotive markets.
TS-MG1 Machined Mechanical Seal
High-quality replacement for Burgmann MG1, AESSEAL B02, Flowserve 190 and MTU FG1 seals; for Hecker HN 410SU pumps.
TS-MG12 Machined Mechanical Seal
Replacement for AESSEAL B012, Burgmann MG12, Flowserve 192 and MTU FG2 seals; for Hecker HN 410KU pumps.
TS-MG13 Machined Mechanical Seal
Replacement for AESSEAL B013, Burgmann MG13, Flowserve 193 and MTU FG3 seals; for Hecker HN 410NU pumps.
TS 301 Single-Spring Mechanical Seal
Replacement for AESSEAL B01, Burgmann BT-AR, Crane PR/DR, Flowserve 118 and MTU FA seals; for Cyclan pumps.
TSDGS-J01 Dry Gas Seal
Dry gas seal for industrial applications.
TSSC-J01 Single & Dual Cartridge Seal
Replacement for John Crane 5610 cartridge seal.
TSMB-J04 Metal Bellows Seal
Replacement for John Crane 604 metal bellows seal.
TSMA-J04 Mixer and Agitator Seal
Replacement for John Crane BW708 mixer and agitator seal.
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