3″-150LB-RF Heavy Pattern 304SS Floating Ball Valve

TECHNICAL DATA SHEET

3″-150LB-RF Heavy Pattern 304SS Floating Ball Valve

1. General Description

This 3-inch, Class 150LB stainless steel floating ball valve is of heavy pattern construction. The body is made of 304 stainless steel (CF8). Flange ends conform to ASME B16.5. Suitable for water, oil, gas and mildly corrosive media for on-off service.

2. Design & Manufacturing Standards

3. Main Technical Parameters

4. Pressure-Temperature Ratings (ASME B16.34, Material Group 2.1)

Note: Ratings per ASME B16.34 for Material Group 2.1 (304 SS) for flanged end valves.

5. Dimensional Data

5.1 Face-to-Face & Overall Dimensions (mm)

Dimensions per ASME B16.10 and B16.5.

5.2 Flange Connection Details (ASME B16.5 Class 150 RF)

5.3 Recommended Bolt Torque

Note: Torque values are reference only. Adjust according to gasket type and service conditions.

6. Bill of Materials (Heavy Pattern / 304SS)

7. Construction Features

8. Inspection & Testing (API 598)

Optional tests:

• ISO 15848 low emission
• API 607 fire test
• NDT per ASME B16.34

9. Operating Torque (Reference)

For soft-seated floating ball valve, clean medium at ambient temperature.

Important: These values are for reference. For actuator sizing, multiply by a safety factor of 1.3 ~ 1.5.

10. Flow Coefficient (Cv) – Full Bore

Note: Cv = US gal/min of 60°F water at 1 psi pressure drop. Exact value depends on ball port diameter.

11. Service Conditions & Media

Limitations for 304 SS body:

• Not suitable for strong oxidizing media (e.g. concentrated nitric or sulfuric acid – use 316/316L)
• Avoid high chloride concentrations (risk of stress corrosion cracking)
• For >200°C, use PPL seats or metal seated design

12. Weight & Packaging

13. Installation & Maintenance Notes

1. Pre-installation check: Verify valve size, material, pressure rating match line requirements. Clean pipe interior to avoid damaging sealing surfaces.
2. Flange connection: Use gasket conforming to ASME B16.5 (e.g. spiral wound or PTFE). Tighten bolts evenly in a cross pattern to avoid flange misalignment.
3. Werking: Handle parallel to pipe = open; perpendicular = closed. Do not use extension levers or impact tools.
4. Temperature effect: PTFE/RPTFE seats may expand at high temperature, increasing torque. Allow margin in actuator sizing.
5. Maintenance: Inspect operation and sealing every 6 months. For valves idle for long periods, cycle the valve periodically to prevent seat adhesion.

14. Ordering Information

Please specify the following when ordering:

1. Size (NPS/DN) and pressure class
2. Body material (304/316/WCB etc.)
3. Seat/seal material (PTFE/RPTFE/PPL/metal)
4. End connection type & standard (ASME/DIN/JIS)
5. Actuation (manual lever/gear/pneumatic/electric)
6. Fire safe required? (API 607)
7. Anti-static device required?
8. Medium, operating temperature & pressure
9. Special requirements (ISO 15848 low emission, NDT, etc.)

Manufacturer Information (to be filled)

Disclaimer: This technical data sheet is prepared based on ASME B16.34, API 6D, API 598 and other industry standards. Actual product parameters are subject to the nameplate and factory test report. For special service conditions, please consult the manufacturer’s engineering department.

GARANTIE:

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