Investment Casting & Industrial Valves 
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Model: V-3MB
Three-Piece Butt Weld Ball Valve (Stainless Steel Valve with 5211 Direct Mount Pad)
- 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 | Φd | L | LI | H | B | ISO5211 |
| 1/4" | 11 | 47.6 | 112 | 61 | 11 | F03-F04 |
| 3/8" | 12.7 | 47.6 | 112 | 61 | 11 | F03-F04 |
| 1/2" | 15 | 55 | 112 | 62 | 12 | F03 |
| 3/4" | 20 | 73.6 | 138 | 70 | 11 | F03-F04 |
| 1" | 25 | 81 | 138 | 74 | 11 | F03-F04 |
| 1-1/4" | 32 | 91 | 160 | 86 | 15 | F04-F05 |
| 1-1/2" | 40 | 103 | 205 | 92 | 15 | F04-F05 |
| 2" | 50 | 120 | 205 | 99 | 15 | F05-F07 |
| 2-1/2" | 65 | 155 | 252 | 147 | 20 | F05-F07 |
| 3" | 80 | 182 | 252 | 158 | 20 | F07-F10 |
| 4" | 100 | 228.4 | 324 | 172 | 20 | F07-F10 |
Valve Parts
| No. | Drawing No. | Name | Material | Quantity |
| 1 | V3M-0001 | Body | CF8M | 1 |
| 2 | V3MB-0002 | Cap | CF8M | 2 |
| 3 | V3M-0003 | Ball | CF8M | 1 |
| 4 | V3M-0004 | Stem | 316 | 1 |
| 5 | V3M-0005 | Seat | PTFE+3%GF | 2 |
| 6 | V3M-0006 | Thrust Washer | PTFE+15%Graphite | 1 |
| 7 | V3M-0007 | Gasket | PTFE+15%Graphite | 2 |
| 8 | V3M-0008 | Bolt | 304 | 4 |
| 9 | V3M-0009 | Nut | 304 | 4 |
| 10 | V3M-0010 | Spring Washer | 304 | 4 |
| 11 | V3M-0011 | O-ring | Viton | 1 |
| 12 | V3M-0012 | Stem Packing | PTFE | 1 |
| 13 | V3M-0013 | Gland | 304 | 1 |
| 14 | V3M-0014 | Butterfly Washer | 301 | 2 |
| 15 | V3M-0015 | Nut | 304 | 2 |
| 16 | V3M-0016 | Square Washer | 304 | 1 |
| 17 | V3M-0017 | Lock Washer | 304 | 1 |
| 18 | V3M-0018 | Flat Ring | 304 | 1 |
| 19 | V3M-0019 | Handle | 304 | 1 |
| 20 | V3M-0020 | 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.
