Operating feature?
������ Install� compression spring in diaphragm� upper chamber?with
spring tension auxiliary push valve Seat downward?and achieve valve
close auxiliary purpose.
Working pressure?0.**0.8MPa
Working temperature?***0
The valves have many specifications?the price differs from
different sizes.� If you have intrests in it ,E-mail me .We will
give you more details with pleasure.
E-mail *?*@********************ml>
