3-Piece Flanged Stainless Steel Ball Valve
3-piece flanged stainless steel ball valve; consists of two flanged end pieces and a centre body, manufactured from AISI 304 or AISI 316 stainless steel. As the body, ball and stem are entirely stainless steel, it delivers long service life in corrosive environments such as chemical, food, pharmaceutical, steam and seawater applications.
With R-PTFE bearings it provides sealing between -25 °C and +180 °C. Available in PN40 pressure rating for DN15–DN100, and PN16 for larger sizes. The 3-piece design allows the centre body to be removed whilst the flanges remain in the line, enabling sphere and bearing replacement. Flange connections conform to TS EN 1092-1 standard.
Advantages
- Fully stainless body, sphere and stem
- AISI 304 and AISI 316 options
- R-PTFE bearings for high sealing reliability
- Maintenance possible without line removal
- TS EN 1092-1 flange connection
Applications
- Chemical and petrochemical plants
- Food, beverage and dairy facilities
- Pharmaceutical and cosmetic manufacturing
- Steam and hot water lines
- Water treatment and seawater applications
Technical Specifications
| Nominal size | DN15 – DN200 |
|---|---|
| Pressure rating | PN40 (DN15–DN100); PN16 (larger sizes) |
| Operating temperature | -25 °C … +180 °C |
| Body type | 3-piece |
| Connection | Flanged, TS EN 1092-1 |
| Actuation | Lever; actuator-ready option available |
Materials
| Body / Cap | AISI 304 (CF8) or AISI 316 (CF8M) stainless steel |
|---|---|
| Sphere | AISI 304 / 316 stainless steel |
| Bearings | R-PTFE (15% reinforced PTFE) |
| Stem | Stainless steel |
| Flange | TS EN 1092-1 |
Dimension Table (mm)
| DN | Flange diameter D | Length L | Height H | Bolt hole (qty × Ø) | Weight (kg) |
|---|---|---|---|---|---|
| 15 | 95 | 130 | 84 | 4 × 14 | 1.9 |
| 20 | 105 | 150 | 87 | 4 × 14 | 2.8 |
| 25 | 115 | 160 | 93 | 4 × 14 | 3.6 |
| 32 | 140 | 180 | 99 | 4 × 18 | 5.4 |
| 40 | 150 | 200 | 114 | 4 × 18 | 6.3 |
| 50 | 165 | 230 | 122 | 4 × 18 | 8.5 |
| 65 | 185 | 290 | 150 | 8 × 18 | 10.4 |
| 80 | 200 | 310 | 161 | 8 × 18 | 19.9 |
| 100 | 235 | 350 | 180 | 8 × 22 | 28.2 |
PN40 series, DN15–DN100 dimensions are in millimetres. Dimensions may vary by a few mm depending on manufacturer; confirm before ordering for critical installations.
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