High-Performance Plug Valves for Shut-Off Applications
In modern industrial piping systems, reliability is not optional—it is essential. Vcore plug valves are engineered for precise shut-off, long service life, and stable performance under extreme pressure and temperature conditions.
These valves are widely used in oil & gas, chemical processing, power generation, and heavy industrial applications where operational safety and sealing integrity are critical.
Learn more about valve structure differences in our guide on plug valve vs ball valve.
Product Overview
Vcore plug valves are designed with a tapered or cylindrical plug that rotates 90 degrees to control flow. This simple yet robust mechanism ensures quick shutoff with minimal friction and wear.
Depending on process requirements, users can choose between lubricated and non-lubricated designs, each offering distinct advantages in maintenance and sealing performance.
For detailed design selection, refer to our engineering guide on custom plug valve types and materials.
Key Features
- Bubble-tight sealing for critical shut-off applications
- Available in lubricated and non-lubricated configurations
- Low torque quarter-turn operation
- Fire-safe and anti-static design options
- Compatible with manual, electric, and pneumatic actuators
- Excellent resistance to corrosion and abrasion
- Suitable for high-viscosity and slurry media
Technical Specification
| Item | Specification |
|---|---|
| Valve Type | Plug Valve (Lubricated / Non-lubricated, T-port, L-port, Straight-through) |
| Size Range | DN15 – DN350 |
| Pressure Rating | PN1.6 – PN16.0 / Class 150 – 900 |
| Body Material | WCB, CF8, CF8M, Alloy Steel |
| Plug Material | Stainless Steel, Monel, PTFE Coated |
| Temperature Range | -29°C to +425°C (up to +600°C optional) |
| Connection | Flanged, Threaded, Welded |
| Standards | API 599, API 6D, ASME B16.34 |
| Testing | API 598 |
Main Dimensions
| DN | NPS | L | D | H | Weight (kg) |
|---|---|---|---|---|---|
| 15 | 1/2 | 130 | 95 | 80 | 1.6 |
| 25 | 1 | 140 | 115 | 100 | 3.4 |
| 50 | 2 | 203 | 160 | 135 | 8.0 |
| 100 | 4 | 305 | 215 | 195 | 18.8 |
| 150 | 6 | 394 | 280 | 450 | 48 |
| 300 | 12 | 610 | 440 | 600 | 125 |
Why Choose Plug Valves Instead of Other Types?
Compared with gate or globe valves, plug valves provide faster operation and simpler structure. To understand the technical differences, see our comparison:
plug valve vs gate valve.
For broader selection insights, you may also compare with:
globe valves in flow control systems.
Industry Applications
- Oil & Gas transmission pipelines
- Chemical and petrochemical processing plants
- Steam and high-temperature systems
- Water treatment and industrial utilities
- Marine and offshore platforms
- Slurry and viscous media systems
Lubricated vs Non-Lubricated Design
Different operating environments require different sealing strategies. Lubricated plug valves are ideal for high-pressure sealing applications, while non-lubricated designs reduce maintenance needs and eliminate contamination risks.
Full technical comparison is available here:
lubricated vs non-lubricated plug valves.
Why Vcore Valve
Vcore Valve is a professional industrial valve manufacturer with strong engineering capability, export experience, and strict quality control systems.
Learn more about our manufacturing background:
about Vcore Valve.
- Factory-direct manufacturing control
- Custom engineering support available
- Strict API and ISO quality standards
- Global export experience
FAQs
What is a plug valve used for?
It is used for fast shutoff and flow control in pipelines carrying gas, oil, steam, and chemicals.
What is the difference between lubricated and non-lubricated plug valves?
Lubricated types use sealant for tight sealing, while non-lubricated designs use elastomer sleeves or coatings.
Can plug valves handle high temperature?
Yes, depending on material selection, up to 600°C in special configurations.
Are plug valves suitable for automation?
Yes, they support electric and pneumatic actuators with ISO mounting pads.
Which industries use plug valves most?
Oil & gas, chemical, steam systems, and industrial processing plants.
Final Note / Practical Takeaway
Vcore plug valves are engineered for reliability in harsh industrial conditions where shutdown precision and sealing integrity matter most. With flexible configurations, strong material selection, and automation compatibility, they remain a dependable choice for modern industrial pipeline systems.