IS59U, IS58U, IS59B, IS58B
Equivalent to John Crane’s 9U、9B、8U and 8B，these models whith adjustable? stationaries are used in petro-chemical and pharmaceutical industries.

ISMG11, ISMG12
Equal to Burgmann’s MG1 and MG2 series, these models are widely used on pumps with such ordinary media as water and oil, mixer， and other rotary equipment.

ISB Mechanical Seals with Rubber Bellows
Able to replace? Burgmann and John Crane’s 301、155、560、501、521、BIA、43 ect. ，the model with changeable stationaries? is widely used on pumps with such ordinary media as water and oil, mixer and other rotary equipment.

IS1502, IS100R, 100T Series with PTFE Bellows
These models which are suitable to seriouly errosive media including dense Acids, Salts and Organo-compounds are equivalent to John Crane’s 10R、10T、20 and 20R。

Auto Water Seals ： IS60A、 DSB60、IST04、IST08
Replaceable to models of international big names in the field, the series is used on Diesels, Internal Combustion Engines and Auto Cooling Pumps.

Metal Bellow：ISJ111~J117 Series
With equivalence to Burgmann’s 85N and W80 and John Crane’s 5515, 515C, 115 and 215, the series is suitable to clean and grain liquids such as Water, Oils, Organo-Solutions, Weak Acids, Weak Alkalis and Ammonia Water.

Assembled Seal：IS511、IS515、IS411、IS416
The product ，which enjoys wide application on Pumps, Reaction Stills and Compressors and in chemical, clean water and sewage treatment can replace Burgmann’s SH and HR and John Crane’ 5611 and 5615 series.

Mechanical Seals for Stills：IS202，204，205，206，212,222
Equal to Burgmann’s HS-D, M461 and M481, the series is suitalbe to the equipment with diametres ranging between 30mm and 130mm working with any liquid except Strong Oxidizable Acids and Highly-dense Alkalis.