Product Description:
Typical features of top entry ball valves
1.On-line maintenance and repairable
2.Full port or reduced port, anti blow-out stem design, anti-static design
3.Emergency sealant injections for stem & seats (sealant injections for seats are available for 6” & above)
4.DBB, DIB-1, DIB-2, bi-directional shut off
5.Pressure test to API 6D / ISO 5208 Rate A
6.Size range from 2” to 16”, WCB, SS304, SS316 etc. welded or flanged ends,
7.Operation: gearbox, pneumatic actuated, electric actuated, gas over oil actuated