First, three-piece welded stainless steel ball valve product overview
Three-piece
welded stainless steel ball valve for operating temperature -29 ~ 180 ℃
(PTFE ring for the enhanced) or -29 ~ 300 ℃ (ring for the
para-polystyrene) of the various pipelines for truncation or Turn on the
medium in the line. Selection of different materials, can be applied to
water, steam, oil, nitric acid, acetic acid and other media.
Second, three-piece welded stainless steel ball valve product features
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.
Three, three-piece stainless steel ball valve welding the main components of the material
| 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 |
Four, three-piece welded stainless steel ball valve dimensions
| 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" |
