KLCHE mechanical seal is a pump mechanical seal produced by Shanghai Kelan Seal Component Co., Ltd. The sealing structure conforms to DIN24960 standard size, and low leakage discharge can be realized by optimizing the design of sealing end face. The mechanical seal is single end face, multi spring static, balanced and independent rotation, with good compensation and uniform end face load. The mechanical seal is of cartridge type small spring structure. The seal features compact structure, balanced type, convenient installation, stable performance and long service life. It is widely applicable to ordinary working conditions and low solid content fluids, sewage, acid and alkali and other pump working conditions.