German standard butterfly valve
Technical Specifications
- Center line butterfly valve according to the seat material into rubber lining center line
butterfly valve and fluorine plastic lining butterfly valve, rubber lining center line butterfly
valve mainly for cast iron valve body linin..
A-typed US standard butterfly valve
Technical Specifications
- Center line butterfly valve according to the seat material into rubber lining center line
butterfly valve and fluorine plastic lining butterfly valve, rubber lining center line butterfly
valve mainly for cast iron valve body l..