Rising stem slab gate valves manufactured by Yancheng Shenhua Machinery manufacture Co. , Ltd . are available in temperature classes L , P , R , S , T , and U specified in API 6A. Gate valves to be used in the 350oF or 650oF high temperature can be supplied on request. Fire-proof gate valves also can be supplied to API 6A . Gate valves manufactured by our company are available in 2000psi, 3000psi, 5000psi, 10000psi and 15000psi working pressure, material classes from AA through FF, product specification levels (PSL) from 1 through 3 and performance requirement(PR) 1.
The rising stem slab gate valves manufactured by our company have the same characters as the non-rising stem slab gate valves. For it is designed by rising stem, the close and open of the valves is completely controlled.
Note : under pressure ,the valves is forbidden to be semi-shrouded, for it will do great harm to the gate valve and great reduce the service life of the valve.
 
|
