300LB LUG Butterfly Valve
ZFVALVE is one professional LUG butterfly valve manufacturer.we using laminated metal + graphite seal ring and to ensure that the butterfly valve reaches zero leakage.
- Product Introduction
Product Introduction
The 300LB Lug Butterfly Valve is a triple-offset, metal-seated butterfly valve featuring an A216 WCB cast steel body and a stainless steel sealing structure. It is designed for media shut-off and flow control in high-temperature and high-pressure pipeline systems within industries such as petroleum, chemicals, and power generation, offering characteristics such as zero leakage, high-temperature resistance, and a long service life.
Specifications
| Valve Size | 28 inch |
| Pressure Rating | 300 LB |
| End Connection | Lug Ends |
| Operation | Gear Operated |
| Body Material | ASTM A216 WCB + 13Cr Overlay |
| Disc Material | ASTM A351 CF8 |
| Seal Material | SS304 + Graphite |
| Stem Material | 17-4PH |
| Face to Face Length | 229 mm |
| Valve Structure | Triple Offset |
| Coating | Epoxy Paint |
| Design Standard | API 609 |
| Face to Face Standard | ASME B16.10 |
| End Flange Standard | ASME B16.47 Series A |
Materials
Valve Body: A216 WCB + 13Cr Overlay
Constructed from high-strength cast steel, offering robust pressure resistance; the 13Cr overlay enhances corrosion and erosion resistance.
Valve Disc: A351 CF8
Stainless steel valve disc, resistant to corrosion and high temperatures, suitable for use with a wide range of industrial media.
Sealing: SS304 + Graphite
Metal-plus-graphite sealing structure, featuring high-temperature resistance, wear resistance, and stable sealing performance.
Valve Stem: 17-4PH
High-strength stainless steel valve stem, offering superior torque resistance and ensuring stable operation.
Surface Treatment: Epoxy Paint
Epoxy coating applied to enhance corrosion protection and extend service life.
Application Scenarios
Oil & Gas
Used for shut-off and control in crude oil and natural gas transmission pipelines.
Petrochemicals
Used in piping systems handling high-temperature and corrosive media.
Power Generation
Suitable for steam, thermal oil, and circulating water systems.
Water Treatment
Used in industrial water supply and wastewater treatment pipelines.
Marine & Offshore
Suitable for seawater and offshore platform piping systems.
Metallurgy & Mining
Used in industrial gas, slurry, and cooling systems.
Production Capacity
Production Equipment
Equipped with CNC machining centers, large-scale vertical lathes, automated welding systems, and pressure testing equipment.
Process Capabilities
Utilizes precision casting, triple-offset machining, 13Cr hardfacing, and epoxy coating processes.
Production Capacity
Capable of supporting large-volume production, with a standard lead time of 20–35 days.
OEM / ODM
Supports customization of dimensions, materials, sealing mechanisms, actuation methods, and industry standards.
Quality System
Strictly implements material inspection, dimensional verification, pressure testing, and leak testing protocols.
FAQ
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