Investment Casting & Industrial Valves 
Investment Casting Hollow Balls & Valve Balls
- Sizes Available: 1/4”–6”
- Type: Investment cast stainless steel balls
- Materials: ASTM CF8M, CF8, CF3M
- Specification: Available in various sizes according to client requirements
- Processing: Machined according to client requirements
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Chemical Analysis
| Type | C | Si | Mn | P | S | Cr | Ni | Mo |
| CF8M | ≤0.08 | ≤1.5 | ≤1.5 | ≤0.04 | ≤0.04 | 18.0～21.0 | 9.0～12.0 | 2.0～3.0 |
| CF8 | ≤0.08 | ≤2.0 | ≤1.5 | ≤0.04 | ≤0.04 | 18.0～21.0 | 8.0～11.0 | |
| CF3M | ≤0,03 | ≤1.5 | ≤1.5 | ≤0.04 | ≤0.04 | 17.0～21.0 | 90～13.0 | 2.0～3.0 |
Dimensions (mm)
| SØD | Ø d | L | W | F | R |
| 15.5 | 9.2 | 11.5 | 4 | 2.5 | 10 |
| 20.5 | 12.5 | 15.2 | 4 | 2.7 | 10 |
| 25.5 | 15 | 19.3 | 5 | 4 | 13 |
| 32 | 20 | 23.7 | 5 | 5 | 13.6 |
| 39 | 25 | 28.5 | 8 | 5.8 | 19 |
| 42.5 | 25 | 32.9 | 8 | 7 | 20 |
| 50 | 32 | 36 | 8 | 7 | 25 |
| 60 | 38 | 45 | 9.5 | 8 | 28 |
| 63 | 38 | 48.5 | 9.5 | 9 | 30 |
| 76.5 | 50 | 56 | 9.5 | 8.5 | 28 |
| 80 | 50.8 | 59.9 | 9.6 | 10 | 37.5 |
| 97 | 65 | 70.5 | 12 | 12 | 50 |
| 100 | 65 | 73.7 | 12 | 15 | 50 |
| 115 | 76 | 84.3 | 12 | 12 | 50 |
| 120 | 76 | 90 | 12 | 15 | 50 |
| 125 | 80 | 93.7 | 16 | 15 | 37.5 |
| 148 | 94 | 112 | 15 | 14 | 62.5 |
| 152 | 100 | 111.4 | 16 | 17 | 75 |
| 194 | 125 | 145 | 20 | 24 | 50 |
| 230 | 150 | 170 | 22 | 26 | 75 |
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.
