a video for double mechanical seal 208

Double mechanical seal 208 is a back to back, face to face mechanical seal commly used in many kinds industry coniditon.

Back to back: Two rotating seal rings are arranged facing away from each other. The lubricating film is generated by the barrier fluid. This arrangement is commonly found in the chemical industry. In case of leakage, the barrier liquid penetrates the product.    

Face to face:The spring loaded rotary seal faces are arranged face to face and slide from the opposite direction to one or two stationary seal parts.

This is a popular choice for the food industry,  particularly for products which tend to stick. In case of leakage, the barrier liquid penetrates the product. If the product is considered “hot”, the barrier liquid acts as a cooling agent for the mechanical seal.

Users can choose different material for this double mechanical seal 208, matching for different liquid conditoncarbon, silicon, and tungsten carbide for this mechanical seal as seal face, if for high temerperature, we suggest to choose rubber seal viton for the rubber parts.

Lepu seal make this dual mechanical seal for many years, and offer professional

Lepu seal is a professional mechanical seal manufacturer in china, we make mechanical seal since 1998, after 20years development, our factory now is a leading professional mechanical seal supplier in south of china.

Our mechanical seal series cover almost all famous brand mechanical seal, such as grundfos mechanical seal, burgmann mechanical seal, john crane mechanical seal, mechanical seal, apv mechanical seal, aesseal design mechanical seal, and others too.