The ZMAW/ZSHW/ZSHWB/ZDRW/ZDRWB series eccentric reed valve (i.e. high performance reed valve) the valve board and the seal packing collar use the unique eccentric structure, has the structure compact cut-off function good service life long and so on characteristics, has both adjusts and shuts off two kind of functions. The widespread use in Industry sectors and so on chemical electric power light industry food medicine papermaking pipelines and so on municipal engineering water works carries on the closure or the regulated flow control to running water sewage oil class liquid either the air coal gas day fuel gas steam's medium.

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The valve chest uses the unit cast technology, the structure is compact, the volume is small, the weight is light;
When valve board double eccentric mounting, closure, the valve board expands outward, achieves the best peripheral seal condition; When opens, the valve board and the seal packing collar are separated from rapidly, prevents the seal packing collar attrition effectively;
Seal packing collar modern design, concise, exempts the service;
The seal packing collar form has the soft seal and the metal seals two kinds to be possible to supply the choice, satisfies the different operating mode request;
Because uses the eccentric structure, reduced the operation torque greatly;
The resistance to flow is small, the volume discharge coefficient is big, approximately is the same caliber single-seat valve's 3 times;
From cleansing power, the service life is long;
The valve uses the row flange structure, the process tube uses to clamps the type installment;
Three broad heading standard implementing agency (air operated plunger type, air operated film type and electromotive type) may exchange.