Size range:1/2"～20" (DN15~DN500) Pressure rating:Class 150~300(PN16-PN40)
Fully welded ball valve Locking Device Series Product Range:
Size range:1/2"～20" (DN15~DN500)
Pressure rating:Class 150~300(PN16-PN40)
Connection end:Flange
Operation:Manual,Pneumatic,Electric,Hydraulic
Material:Carbon steel,Low temperature steel,Stainless steel etc.
Fully welded ball valve Locking Device Series Design Standards:
Design&manufacture according to GB/T12237
Face-to-face according to GB/T12221
End connection according to JB/T79 / GB/T9113
Test&inspection according to GB/T13927
Fully welded ball valve Locking Device Series Features and benefits
1.Valves consist of body,trim,stem and locking devices.
2.Locking devices are designed as following:Stems connecting balls are put into locking hole of yoke,spring,ratchet and ratchet wheel lock to avoid any accidental opertation.
3.Locking devices can control on an off of a unit or group of the heating and water system,accidental operation would be stopped efficiently.
