Key Specifications / Features
This 4-inch (DN100) Class 150 RF lubricated plug valve is designed per API 6D, with raised-face flanges conforming to ASME B16.5. It uses an ASTM A216 WCB body, A351 CF8M plug, Grade 410 stem and seat, and B7M/2HM bolting. Equipped with an SS316 stem grease injector and non-return valve, all wetted parts meet NACE sour service requirements. Hydrostatically tested for bubble-tight shutoff, it operates between -21℃ and 150℃. Lockable lever handle (L/O, rated to 150℃, with a lockable lever, coated with grey epoxy zinc primer at 50–75 μm DFT.
Detail Information
4 Inch DN100 Class 150 RF Lubricated Plug Valve, API 6D
| Product Name | Lubricated Plug Valve |
| Size | 4 Inch (DN100) |
| Pressure Rating | Class 150 LB |
| Design Standard | API 6D |
| Flange | ASME B16.5, RF flanged ends |
| Test Standard | Hydrostatic test to API 598 & ISO 5208, Rate A, for bubble-tight sealing |
- Body: ASTM A216 WCB
- Plug: ASTM A351 CF8M
- Stem & Seat: ASTM A276 Gr.410
- Bolting: B7M / 2HM
- SS316 stem-mounted grease injector with non-return check valve against backflow
- Sour gas rated: all wetted parts satisfy NACE MR 0175 / ISO 15156 and MR-0103
- Working temperature: -21℃ to 150℃
- Lockable lever handle (L/O, L/C) to secure valve position
- Finish: Grey epoxy zinc primer, DFT 50–75 μm
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