Wafer cast iron butterfly valve EPDM seat PN16

　　1. Small in size, light in weight, easy installation and maintenance.
　　2. Simple and compact construction, quick 90 degree on-off operation.
　　3. Minimized operating torque, energy saving.
　　4. Flow curve tending to straight line, excellent regulation performance.
　　5. Long service life, standing the test of tens thousands opening/closing operations.

　　6. Wide selection of materials, applicable to various medium.