3″-2500LB Open Die Forged Gate Valve
Description
TECHNICAL DATA SHEET
Product Name: 3-inch 2500LB Open Die Forged Gate Valve – BW Ends
Model/Specification: 3″-2500LB-BW
Valve Type: Gate Valve
Connection Type: Butt Weld (BW)
1. Basic Design Parameters
| Parameter | Standard/Specification |
|---|---|
| Size | 3 inches (DN 80) |
| Pressure Class | Class 2500 (PN 420) |
| Body Material | Forged Steel A105 (CS) / F304/F316 (SS) / F22 (Alloy) User specified |
| Manufacturing Process | Open Die Forged / Hammer Forged |
| Design Standard | API 602, ASME B16.34 |
| End Connection Standard | ASME B16.25 (Butt-weld ends) |
| Face to Face Standard | ASME B16.10 (BW ends) |
| Test & Inspection Std. | API 598 |
2. Technical Specifications
| Parameter | Details |
|---|---|
| Bonnet Type | Bolted Bonnet / Pressure Seal (for high pressure) |
| Stem Type | Outside Screw and Yoke (OS&Y), Rising Stem |
| Gate Type | Flexible Wedge / Solid Wedge |
| Applicable Media | Water, Oil, Gas, Steam, and Corrosive Media (depending on material) |
| Operation | Handwheel / Gear Operated / Electric Actuator |
3. Material of Construction (Recommended – Carbon Steel)
| Part Name | Material | Standard/Grade |
|---|---|---|
| Body | Forged Carbon Steel | ASTM A105 |
| Bonnet | Forged Carbon Steel | ASTM A105 |
| Gate | Forged Steel + Hardfacing | A105 + Stellite |
| Seat | Forged Steel + Hardfacing | A105 + Stellite / Integral |
| Stem | Stainless Steel | ASTM A182 F6a (13Cr) / A276 420 |
| Gasket | Spiral Wound | Graphite + 304SS |
| Packing | Flexible Graphite | Low Sulfur, High Temp |
| Stem Nut | Aluminum Bronze | C95400 / CuAl10Fe3 |
| Studs/Nuts | Alloy Steel | A193 Gr.B7 / A194 Gr.2H |
4. Main Dimensions & BW End Preparation
*Note: Dimensions are for Butt-Weld ends according to ASME B16.10 and ASME B16.25.*
4.1 End-to-End Dimensions (BW)
| Size | Class | L (BW) mm | H (Closed) mm | W (Handwheel) mm | Weight (approx. kg) |
|---|---|---|---|---|---|
| 3″ | 2500LB | 489 | ~ 850 | 600 | ~ 250 – 350 |
4.2 Weld End Preparation (per ASME B16.25)
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Bevel Angle: 37.5° (±2.5°)
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Root Face: 1.6 mm (1/16″) nominal
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Counterbore (if required): To match pipe schedule (e.g., Sch. 160, XXS) – specified by purchaser.
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End Preparation: Standard V-groove bevel for butt welding.
Note: Actual end preparation details (counterbore depth, bore diameter) should be confirmed based on the mating pipe schedule and project specifications.
5. Pressure-Temperature Rating (ASME B16.34)
Material: ASTM A105 (Carbon Steel)
| Temperature (°C) | Working Pressure (MPa) | Working Pressure (psig) |
|---|---|---|
| -29 to 38 | 42.0 | 6090 |
| 100 | 40.2 | 5828 |
| 200 | 37.8 | 5478 |
| 300 | 34.8 | 5046 |
| 400 | 31.7 | 4600 |
| 425 | 28.5 | 4134 |
6. Test Pressure (API 598)
| Test Type | Medium | Pressure (MPa) | Pressure (psig) | Note |
|---|---|---|---|---|
| Shell Test | Water | 63.0 | 9135 | 1.5 x 38°C Rating |
| High-Pressure Seat Test | Water | 46.2 | 6700 | 1.1 x 38°C Rating |
| Low-Pressure Seat Test | Air/N2 | 0.5 – 0.7 | 70 – 100 | Optional |
7. Features & Applications
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Key Features:
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High Strength: Class 2500 rating for extreme high-pressure systems.
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Forged Body: Open Die Forging ensures a continuous grain structure, eliminating porosity and defects for maximum reliability.
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Erosion Resistance: Seat and gate surfaces are typically hard-faced with Stellite to resist wire drawing and corrosion.
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High-Temperature: Flexible graphite packing provides reliable sealing up to 650°C.
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Butt-Weld Ends: Allows permanent, leak-free installation into piping systems, suitable for high-pressure and high-temperature applications.
-
-
Main Applications:
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High-Pressure Steam Systems (Power Plants)
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Hydrocracking Units (Refineries)
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Wellhead / Choke Manifolds (Oil & Gas)
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High-Pressure Gas Transmission Lines
-
Disclaimer: The above data is prepared based on common standards. Specific dimensions, materials, and pressure ratings may vary by manufacturer. The final technical agreement shall prevail.
