The high-performance laser equipments can process all kinds of dynamic pressure grooves on the surfaces of different material rings. 

Groove type according to customer's drawing or designed by Trisun are available.

Seal faces material option: Carbon/SiC

We also supply repair kit for dry gas seal to suit our products, including seal faces, O-ring, springs, set screws, gaskets, setting clips and snap ring.

100% passed static testing before shipment!  

TRISUN established in 1998, after 20 years developing, now we have total 200 employees and 13,661 sqm workshop area. The turnover in 2016 was about 23 million in USD, share of export was 70%, produced about 9 million pcs of mechanical seals. Please see attached company information and photos.

Our Pump Seals use the very best in Ceramics, Carbon, Tungsten Carbides and other exotic materials for a quality fit and operation in-between servicing and maintenance.

Product aims to OEM market. For sanitary industry, all the parts and material have FDA and WRAS certification,    

Our seals are widely used and highly reliable in food, drink, petroleum, chemistry, refinery, paper making, pharmacy, power and auto industry, etc.

All ranges of mechanical seals for Flygt Pumps, Grundfos Pumps, APV Pumps, Grindex Pumps, Fristam, ABS, EMU, Hidrostal, Hilge, Johnson, Lowara, Waukesha, Vogelsang Pumps, etc.

If you have inquiry, please send it to me by email  . We are sure any of your inquiry will get our prompt attention & reply. Thanks.