Investment Casting & Industrial Valves 
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Model: V-3BL
3-Piece Butt Weld Ball Valve (Stainless Steel Weld Ball Valve)
- Nominal Diameter: 1/4"-4"
- Connection Type: Butt Weld
- Materials: 316, CF8M, 1.4408, WCB, 304, CF8, etc.
- Pressure Rating: 1000 PSI WOG
- Inspection & Testing: API 598
- Surface Treatment: Pickling, Passivation, Polishing (or as per customer request)
- Operating Temperature: ≤ 120°C
- Suitable Media: Water, Steam, Oil, Gas, Acids, Alkalis, etc.
Size (mm)
| NPS | Ød | H | LO | L |
| 1/4" | 11 | 42.5 | 101.5 | 50.4 |
| 3/8" | 12 | 42.5 | 101.5 | 50.4 |
| 1/2" | 15 | 49.6 | 101.5 | 61.4 |
| 3/4" | 20 | 58.1 | 124 | 70.2 |
| 1" | 25 | 61.3 | 124 | 79.6 |
| 1 1/4" | 32 | 78.3 | 152 | 93 |
| 1 1/2" | 40 | 82.5 | 152 | 102 |
| 2" | 50 | 90.9 | 190 | 124.2 |
| 2 1/2" | 65 | 114.5 | 242 | 156.2 |
| 3" | 75 | 124 | 242 | 179.2 |
| 4" | 100 | 176 | 327 | 218.4 |
Valve Parts
| No. | Drawing No. | Name | Material | Quantity |
| 1 | V3-0001 | Body | CF8M | 1 |
| 2 | V3-0002 | Cap | CF8M | 2 |
| 3 | V3-0003 | Ball | CF8M | 1 |
| 4 | V3-0004 | Stem | 316 | 1 |
| 5 | V3-0005 | Seat | PTFE+3%GF | 2 |
| 6 | V3-0006 | Gasket | PTFE | 2 |
| 7 | V3-0007 | Thrust Washer | PTFE | 1 |
| 8 | V3-0008 | Spring Washer | 304 | 4 |
| 9 | V3-0012 | Bolt | 304 | 4 |
| 10 | V3-0010 | Stem Packing | PTFE | 2 |
| 11 | V3-0009 | Gland | 304 | 1 |
| 12 | V3-0012 | Spring Washer | 304 | 1 |
| 13 | V3-0013 | Nut | 304 | 2 |
| 15 | V3-0015 | Lock Washer | 304 | 1 |
| 16 | V3-0016 | Handle | 304 | 1 |
| 17 | V3-0017 | Handle Sleeve | Rubber | 1 |
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.
