Technical Specification
| Parameter | Specification |
|---|---|
| Product Name | Ball Valve |
| Valve Type | Ball Valve / Quarter-Turn Valve |
| Design | Floating Ball / Trunnion Mounted |
| Port | Full Port / Reduced Port |
| Body Construction | 1-Piece / 2-Piece / 3-Piece |
| Body Material | Carbon Steel, Stainless Steel, Forged Steel |
| Typical CS Body | ASTM A216 WCB / A105 |
| Typical SS Body | ASTM A351 CF8 / CF8M |
| Ball Material | SS304 / SS316 / SS316L or suitable alloy |
| Stem Material | SS316 / 17-4PH / suitable stainless steel |
| Seat Material | PTFE, RPTFE, PEEK, Nylon or Metal Seat |
| Seal Material | PTFE / Graphite / FKM (Viton) / suitable elastomer |
| Size Range | Typically ½” to 24″+ depending on design |
| Pressure Rating | Class 150, 300, 600, 900, 1500, 2500 |
| End Connections | Threaded, Flanged, Socket Weld, Butt Weld |
| Threaded Ends | NPT / BSP as specified |
| Flange Standard | ASME B16.5 / ASME B16.47 where applicable |
| Face-to-Face | ASME B16.10 |
| Design Standard | API 6D / API 608 / ISO 17292, depending on valve type |
| Testing Standard | API 598 / ISO 5208 |
| Operation | Lever Handle / Gearbox / Pneumatic / Electric Actuator |
| Flow Direction | Generally Bi-directional |
| Working Temperature | Depends on body, seat and seal material |
| Sealing | Bubble-tight shut-off where applicable |
| Stem Design | Blow-out Proof Stem |
| Safety Feature | Anti-static device where specified |
| Locking | Lockable handle available |
| Fire Safe | API 607 / API 6FA when specified |
| Applications | Water, Oil, Gas, Air, Chemicals, Hydrocarbons and Process Fluids |
Common Industrial Ball Valve Standards
For oil & gas and pipeline applications, typical specifications include API 6D, ASME B16.34, ASME B16.5, ASME B16.10, ISO 17292 and ISO 14313. API 598 is commonly used for inspection/testing.
Example Specification for Procurement
BALL VALVE, 2″, CLASS 300, FULL PORT, FLANGED
- Type: Trunnion/Floating Ball Valve
- Size: 2″
- Pressure Class: ASME Class 300
- Port: Full Bore
- Body: ASTM A216 WCB
- Ball: SS316
- Stem: SS316
- Seat: PTFE/RPTFE
- Seal: FKM
- End Connection: RF Flanged
- Flange Standard: ASME B16.5
- Face-to-Face: ASME B16.10
- Design: API 6D / ASME B16.34
- Testing: API 598
- Operation: Lever/Gear Operator
- Stem: Blow-out Proof
- Flow: Bi-directional
- Fire Safe: API 607 if required
Note: The exact specification must be selected according to size, fluid/media, pressure, temperature, material and end connection.
