Investment Casting & Industrial Valves 
Request a Quote
Model: Q71F
Thin/Wafer Ball Valve
- Nominal Diameter: DN15-DN200
- Materials: 316, CF8M, 1.4408, WCB, 304, CF8, etc.
- Design & Manufacture: GB/T 12237
- Face-to-Face: GB/T 12221
- Flange End: JB/T79
- Inspection & Testing: JB/T9092
- Surface Treatment: Pickling, Passivation, Polishing (or as per customer request)
- Operating Temperature: ≤ 120°C
- Suitable Media: Water, Steam, Oil, Gas, Acids, Alkalis, etc.
Performance Parameters
| Model | PN | Working Pressure (MPa) | Applicable Temperature (℃) | Suitable Media | Material | ||||
| Gate/Cap | Stem | Ball | Gasket | Packing | |||||
| 16 | 1.6 | PTFE≤150 PPL≤250 | Nitric Acid | CF8/304 | 304 | 304 | PTFE / PPL | PTFE / Flexible Graphite | |
| 25 | 2.5 | Nitric Acid | CF8/304 | 304 | 304 | ||||
| 16 | 1.6 | Nitric Acid | CF3M/316L | 316L | 316L | ||||
| 25 | 2.5 | Nitric Acid | CF3M/316L | 316L | 316L | ||||
| 16 | 1.6 | Oxidizing Corrosive Media | ZTA2/TA2 | TC4 | TA2 | ||||
| 25 | 2.5 | Oxidizing Corrosive Media | ZTA2/TA2 | TC4 | TA2 | ||||
Size (mm)
| DN | L | D | D1 | D2 | b | Z-Ød | H |
| PN1.6 MPa | |||||||
| 15 | 35 | 95 | 65 | 45 | 4-Ø12 | 80 | |
| 20 | 38 | 105 | 75 | 55 | 4-Ø12 | 85 | |
| 25 | 45 | 115 | 85 | 65 | 14 | 4-Ø12 | 95 |
| 32 | 50 | 135 | 100 | 78 | 18 | 4-Ø16 | 100 |
| 40 | 60 | 145 | 110 | 85 | 18 | 4-Ø16 | 105 |
| 50 | 70 | 160 | 125 | 100 | 18 | 4-Ø16 | 115 |
| 65 | 95 | 180 | 145 | 120 | 18 | 4-Ø16 | 130 |
| 80 | 118 | 195 | 160 | 135 | 20 | 8-Ø16 | 145 |
| 100 | 140 | 215 | 180 | 155 | 20 | 8-Ø16 | 175 |
| 125 | 200 | 245 | 210 | 185 | 22 | 8-Ø16 | 190 |
| 150 | 225 | 280 | 240 | 210 | 22 | 8-Ø20 | 220 |
| 200 | 275 | 335 | 295 | 265 | 24 | 8-Ø20 | 260 |
Investment Casting & Valve Manufacturing Since 1987
At SDPLDL, we are a trusted manufacturer specializing in precision investment casting and industrial valves for global markets. We operate our own manufacturing facility featuring over 200 sets of advanced manufacturing equipment and an in-house testing center equipped with 16-ton dynamic balancing machines. Our integrated manufacturing capabilities allow us to seamlessly produce precision investment casting valves, custom stainless steel large-diameter valves, and slurry valves under strict compliance with ISO 9001 standards.
