Product Introduction of Three-piece Welded Stainless Steel Ball Valve Q11F:
Three-piece Welded Stainless Steel Ball Valve Q11F produced by TopVal is suitable for all kinds of pipelines with working temperature of -29 ~ 180℃(sealing ring is reinforced polytetrafluoroethylene) or -29 ~ 300℃(sealing ring is counterpoint polybenzene), which is used to cut off or connect the medium in the pipeline.
Choose different materials, can be applied to water, steam, oil, nitric acid, acetic acid and other media.
Main Features of Three-piece Welded Stainless Steel Ball Valve Q11F:
Three-piece welded stainless steel ball valve is divided into a whole (one type), two-stage and three-stage. Body casting using imported advanced technology in Taiwan, a reasonable structure, handsome in appearance. Seat with flexible sealing structure, reliable sealing, easy opening and closing. Stem with inverted seal down the structure, the valve chamber abnormal pressure, the stem will not be washed out. Two-piece, three-piece ball valve connections are available with butt fusion (BW) socket welding (SW) and are available with international standard ISO bracket platforms and locking devices. Can be set to 90 ° switch positioning mechanism, according to the need to lock to prevent misuse, drive mode: manual, electric, pneumatic.
Main Components Material of Three-piece Welded Stainless Steel Ball Valve Q11F:
| Part Name | Material | |
|---|---|---|
| stainless steel | Carbon steel | |
| Body | Stainless steel CF8M | Carbon steel WCB |
| Sealing ring | Polytetrafluoroethylene PTFE | Polytetrafluoroethylene PTFE |
| cap | Stainless steel CF8M | Carbon steel WCB |
| Sphere | Stainless steel SS316 | Stainless steel SS304 |
| Valve stem | Stainless steel SS316 | Stainless steel SS316 |
| Nut | Stainless steel SS304 | FCD45 |
| washer | Stainless steel SS304 | FCD45 |
| Handle cover | plastic | plastic |
| handle | Stainless steel SS304 | Stainless steel SS304 |
| Stem nut | Stainless steel SS304 | B7 |
| washer | Stainless steel SS304 | Stainless steel SS304 |
| Gland packing nut | Stainless steel SS304 | FCD45 |
| filler | Polytetrafluoroethylene PTFE | Polytetrafluoroethylene PTFE |
| Thrust washer | Polytetrafluoroethylene PTFE | Polytetrafluoroethylene PTFE |
| filler | Polytetrafluoroethylene PTFE | Polytetrafluoroethylene PTFE |
| bolt | Stainless steel SS304 | B8 |
Connection Dimensions of Three-piece Welded Stainless Steel Ball Valve Q11F:

| NPS | 1/2 " | 3/4 " | 1" | 1 1/4 " | 1 1/2 " | 2" |
| L | 92 | 111 | 127 | 140 | 152 | 178 |
| S | 21.8 | 27.1 | 33.8 | 42.8 | 48.7 | 61.l |
| B | 9.6 | 12.7 | 12.7 | 127 | 12.7 | 15.9 |
| LO | 123 | 160 | 160 | l95 | 195 | 250 |
| NPT | 1/2 " | 3/4 " | 1" | 1 1/4 " | 1 1/2 " | 2" |