Multi-layer metal hard seal butterfly valve series products are our company new development of long life, energy-efficient and butterfly valve. Its structure using three-dimensional eccentric principle design, hard and soft sealing seat is compatible multi-level structure, exquisite processing, the craft is advanced. The product consists of body, disc, multi-level seal, valve stem, drive mechanism and so on the main parts. Widely used in metallurgy, water and electricity, thermal power, thermal, urban water supply and drainage, farmland irrigation and drainage and other industries, applicable medium for gas, steam, air, water, etc., in the pipeline system, make a truncated or connecting medium.

Product features:

Due to the product principle of eccentric butterfly valve is used in 3 d design, make the space of the sealing surface movement to achieve ideal, sealing surface without friction, without interference with each other, and sealing surface material selection properly, so that the butterfly valve sealing, corrosion resistance, high temperature resistance and wear resistance have been a reliable guarantee. Its main

Characteristics are as follows:

1. The small open torque, flexible, convenient and saving energy;

2. Three-dimensional eccentric structure, disc, valve seat sealing surface processing and high precision. Butterfly plate in the open, sealing surface from completely; Butterfly plate in the process of closing almost frictionless, close the light. Have the close tight self-locking function, since the sealing performance, stable and reliable sealing performance;

3. The seal (butterfly plate sealing ring - the body sealing ring) for stainless steel material, and through special processing, has the dual advantages of metal hard seal and elastic seal, corrosion resistance, wear resistance, high temperature resistant, long service life.

4. The butterfly plate streamline design with high intensity, large flow area, small flow resistance, save energy.

Execution standard:

1. The design and manufacture according to GB/T12238-89, JB/T8527-97 standards implementation;

2. The valve test according to GB/T13927-92, JB/T9092-99 standards implementation;

3. The length of the valve structure according to GB/T12221-2005 standard execution;

4. Both ends of the flange size accord with GB/T17241.6-1998, GB/T9113.1-2000, GB/T9115.1-2000, JB/T79.1-94 standard, non-standard flange size according to the enterprise standard;

Working principle:

High-performance two-way metal hard seal butterfly valve through a variety of driving device drives the valve spindle rotation, through the pin shaft turns the butterfly plate within 90 °, the butterfly plate is in open or closed position, so as to achieve the aim of connecting or truncated as.

The main performance specification:

Materials of main parts: