Mechanical seal --Mg1 Pressure: Medium Pressure Mechanical Seals Temperature: Temperature Mechanical Seal Standard: Standard Balance: Unbalanced Transport Package: Carton Box Structure: Single End Speed: General Speed Mechanical Seal Performance: Mg1 Bubber Bellow Seal Type: HU1 Specification: 8mm-100mm it is used for circulation pump with motor for buses. It has a wide range of temperature ristance, such as for some cold areas -40 celsius degrees, it can work very well This product is equipped with perennial Division I accessories, with short delivery, good prices, high quality advantages