Jiangsu Chenggong Valve Technology Co.,Ltd
We are professionally engaged in the valve design, manufacture and installation.
Address: No.2 Chishui Road, New North District, Changzhou, Jiangsu
Valve seat and sealing can use this type injection valve
When valve sealing place leaking ,Can Put in the seal Oil to keep stop leaking .
Nominal Size： NPS 4''~42''（DN100～1050） Pressure Rating: Class 150~2500(PN20~420) Basic Material: ASTM A105(N), A350 LF2, A182 F304(L), A182...
CHENGGONG Ball Valves also is a professional ball valve components manufacturing company which design, production, sales. We are specialized in producing...