2-Piece Closed Die Forged Steel Floating Ball Valve
Description
2-Piece Die Forged Steel Floating Ball Valve Technical Data Sheet
1. General Information
| Item | Specification |
|---|---|
| Valve Type | Floating Ball Valve |
| Body Type | 2-Piece Split Body Construction |
| Manufacturing Process | Die Forging |
| Design Standard | API 608 / ASME B16.34 / BS 5351 |
| Nominal Size | 1/2″ ~ 2″ (DN15 ~ DN50) |
| Pressure Class | Class 150 ~ 2500 LB (PN16 ~ PN420) |
| Connection Type | Flanged (RF/RTJ) / Socket Weld (SW) / Butt Weld (BW) / Threaded (NPT) |
| Operation | Lever Handle / Gear Operator / Pneumatic Actuator |
2. Applicable Standards
| Item | Standard Code |
|---|---|
| Design & Manufacturing | API 608, ASME B16.34, BS 5351 |
| Face-to-Face / End-to-End | ASME B16.10 |
| Flanged Connections | ASME B16.5 |
| Butt Weld Ends | ASME B16.25 |
| Socket Weld Ends | ASME B16.11 |
| Threaded Ends | ASME B1.20.1 (NPT) |
| Test & Inspection | API 598 / API 6D |
| Fire Test | API 607 / API 6FA |
3. Main Design Features
-
Body Construction: 2-piece split forged body, side-entry design, bolted body connection.
-
Manufacturing Process: Die forged construction, dense grain structure, eliminates casting defects, high strength, suitable for high pressure.
-
Ball Design: Floating ball design, ball supported by two seats, media pressure pushes ball against downstream seat to achieve sealing.
-
Anti-Static Device: Spring-loaded anti-static device between stem and ball ensures static electricity dissipation.
-
Blow-Out Proof Stem: Stem designed with blow-out proof feature for safety.
-
Fire-Safe Design: Designed to meet API 607/6FA fire test requirements.
-
Low Emission Packing: Flexible graphite packing, optional VOC sealing rings to meet ISO 15848-1 fugitive emission requirements.
-
ISO 5211 Mounting Pad: Top flange conforms to ISO 5211 for easy actuator mounting.
4. Main Component Materials
| Item | Part Name | Material | Standard/Remark |
|---|---|---|---|
| 1 | Body | ASTM A105N | Forged steel, suitable for NACE MR0175 |
| 2 | End Piece/Bonnet | ASTM A105N | Forged steel |
| 3 | Ball | ASTM A182 F304 / F316 | Stainless steel |
| 4 | Stem | ASTM A182 F304 / F316 | Stainless steel, blow-out proof design |
| 5 | Seat | PTFE / RPTFE / PEEK | Soft sealing |
| 6 | Seat Gasket | PTFE / Flexible Graphite | |
| 7 | Packing | Flexible Graphite / PTFE | |
| 8 | Gland | ASTM A182 F304 | |
| 9 | Anti-Static Device | SS304 + Spring | Between stem and ball |
| 10 | Body Bolt | ASTM A193 Gr.B7 | Alloy steel |
| 11 | Body Nut | ASTM A194 Gr.2H | Heavy hex nut |
| 12 | Lever Handle | Carbon Steel / Malleable Cast Iron |
5. Technical Parameters & Dimensions
5.1 Pressure-Temperature Ratings
-
Material Group: Group 1.1 (Carbon Steel)
-
Temperature Range: -29°C ~ 200°C (PTFE seats) / Up to 500°C (Metal seated)
-
Applicable Media: Water, oil, gas, steam, corrosive media, etc.
-
Bore Type: Full bore or reduced bore
5.2 Dimensions (Reference Values, Class 1500 2″ Butt Weld Ends)
| Dimension | Value | Remark |
|---|---|---|
| End-to-End Length (L) | 368 mm (14.5 inch) | Butt weld ends, per ASME B16.10 |
| Height (H) | Approx. 250 mm | Reference only, may vary by manufacturer |
| Lever Length | Approx. 250 mm | |
| Weight | Approx. 25 kg | Reference only |
5.3 End Connection Details
-
Socket Weld (SW): Bore diameter and depth per ASME B16.11.
-
Butt Weld (BW): Bevel preparation per ASME B16.25.
-
Flanged (RF/RTJ): Flange dimensions, bolt holes and sealing face per ASME B16.5.
-
Threaded (NPT): Per ASME B1.20.1.
6. Test & Inspection (API 598)
| Test Item | Test Pressure (Class 1500) | Medium | Acceptance Criteria |
|---|---|---|---|
| Shell Test | 23.4 MPa | Water | No visible leakage |
| High-Pressure Seat Test | 17.0 MPa | Water or Air | No visible leakage |
| Low-Pressure Seat Test | 0.5 – 0.7 MPa | Air | No bubbles leakage |
| Test Duration | Per API 598 | — | Hold time conforms to standard |
7. Marking & Supply
-
Valve Marking: Per MSS SP-25, nameplate to include material, pressure, heat number, fire-safe certification mark (if applicable), etc.
-
Cleaning & Protection: Valves internally and externally cleaned, ends covered with protectors, flange faces coated with rust preventive (if applicable).
-
Documentation: Material certificates, pressure test reports, declaration of conformity, fire-safe certificate (if applicable) provided with shipment.
Note: This technical data sheet is based on standard 2-piece die forged steel floating ball valve design. Actual dimensions and configurations may vary depending on manufacturer and customer requirements. Please select appropriate seat material and pressure class based on actual operating conditions.
