Extremely compact structure
Its face-to-face length is much shorter than that of a conventional flanged ball valve.
Wafer ball valve
One-piece wafer ball valve
Suitable for piping projects where installation space and face-to-face length matter.
Prepare a product enquiry
Q71F-16P
One-piece wafer ball valve
The information below is taken from the currently available SUNMING product reference and is presented for initial selection. Final materials, dimensions and interface details remain model-specific.
- Reference model
- Q71F
- Nominal size
- DN15–DN200
- Nominal pressure
- Class 150 / 300 · PN16 / PN25 / PN40
- Body / ball
- SS304 / 316L (CF8 / CF8M / CF3 / CF3M), WCB / WC6 / WC9 etc.
- Seal
- (PTFE) / (RPTFE) / (PPL)
- Operation
- Hand lever
PRODUCT DESCRIPTION
Thin-pattern ball valve
Thin-pattern ball valves (also known as wafer ball valves) have a short face-to-face length and are designed for piping systems with limited installation space, weight restrictions or narrow pipe spacing.
Core features and advantages
Lightweight and space-saving
Its compact size and low weight make installation easier in dense and complex piping systems.
Simple operation
It normally opens and closes with a 90-degree turn, provides low flow resistance and allows nearly unobstructed flow when fully open.
Easy maintenance
The simple construction makes disassembly and seal replacement convenient.
Applications
Thin-pattern ball valves are widely used in petroleum, chemical, metallurgy, pharmaceutical, paper, district heating and water treatment systems, especially in pipelines where installation space is limited.
REFERENCE DRAWING
Q71F-16P
Drawing for reference only. Custom dimensions are available.
Performance specifications
| Nominal pressure | PN16 |
|---|---|
| Strength test pressure | 2.4 MPa |
| Seal test pressure | 1.76 MPa |
| Operating temperature | ≤260 °C |
| Operating pressure | 1.6 MPa |
| Service medium | General corrosive media |
Main dimensions and connection dimensions
| DN | d | L | D | D1 | D2 | f | b | Z−ød |
|---|---|---|---|---|---|---|---|---|
| 15 | 15 | 35 | 95 | 65 | 45 | 2 | 10 | 4−M12 |
| 20 | 20 | 38 | 105 | 75 | 55 | 2 | 11 | 4−M12 |
| 25 | 24 | 42 | 115 | 85 | 65 | 2 | 11 | 4−M12 |
| 32 | 30 | 50 | 135 | 100 | 78 | 2 | 15 | 4−M16 |
| 40 | 36 | 62 | 145 | 110 | 85 | 2 | 15 | 4−M16 |
| 50 | 46 | 72 | 160 | 125 | 100 | 2 | 16 | 4−M16 |
| 65 | 57 | 95 | 180 | 145 | 120 | 2 | 17 | 4−M16 |
| 80 | 73 | 118 | 195 | 160 | 135 | 2 | 18 | 8−M16 |
| 100 | 90 | 140 | 215 | 180 | 155 | 2 | 19 | 8−M16 |
| 125 | 110 | 165 | 245 | 210 | 185 | 2 | 21 | 8−M16 |
| 150 | 125 | 195 | 280 | 240 | 210 | 2 | 22 | 8−M20 |
| 150S | 145 | 225 | 280 | 240 | 210 | 2 | 23 | 8−M20 |
| 200 | 190 | 275 | 335 | 295 | 265 | 2 | 24 | 12−M20 |