Reliable One-Way Flow
Check Valve Solutions
Vcore check valves provide automatic backflow prevention for oil & gas, power generation, water treatment, and chemical processing. Engineered to protect pumps, compressors, and pipelines from reverse flow damage with durable, corrosion-resistant construction.
Core Features & Advantages
Premium Materials
Built from stainless steel, carbon steel, and ductile iron for strength, corrosion resistance, and long service life in harsh applications.
Precision Engineering
Advanced machining ensures low flow resistance, tight shut-off, and dependable one-way flow performance.
Versatile Configurations
Available as swing, lift, and dual plate check valves for different operational needs from low-pressure to ultra-high pressure.
High Pressure Ratings
Designed for pressures up to 2500#, ensuring safe operation in oil & gas and power generation systems.
Fast Delivery & Customization
Standard models in stock for immediate shipping, with customized options available for unique project requirements.
Low Maintenance
Simple structure and durable construction minimize wear and extend maintenance intervals, reducing downtime and operating costs.
Check Valve Custom Fabrication
Vcore specializes in precision fabrication of check valve components: bodies, discs, springs, and more. Our advanced manufacturing ensures reliability, accuracy, and durability for critical valve parts.
CNC machining and laser cutting for stainless steel, carbon steel, and special alloys.
TIG/MIG welding ensures leak-proof, high-strength joints for high-pressure environments.
CNC forming guarantees precise shaping of valve housings, flanges, and internal flow parts.
Drilling, threading, machining, and surface finishing for superior sealing in extreme applications.
Technical Specifications
| Parameter | Range / Options |
|---|---|
| Size Range | 1/2" - 48" (DN15 - DN1200) |
| Pressure Class | Class 150, 300, 600, 900, 1500, 2500 |
| Temperature Range | -196°C to 600°C (depending on trim material) |
| Connection Type | Flanged (RF/RTJ), Threaded (NPT/BSP), Wafer, Lug, Butt Weld |
| Operation | Automatic (non-return), Spring-assisted, Counterweight |
| Body Material | WCB, CF8, CF8M, CF3, CF3M, Duplex, Ductile Iron, Bronze |
| Trim Material | 13Cr, SS304, SS316, Monel, Inconel |
| Design Standard | API 594, API 6D, ASME B16.34, BS 1868 |
Application Scenarios
Oil & Gas Pipelines
Valve type: Swing Check Valve
Key features: Prevents reverse flow in long-distance pipelines; high-pressure ratings and NACE-compliant materials.
Water Treatment Systems
Valve type: Dual Plate Check Valve
Key features: Lightweight design, low flow resistance, corrosion protection for potable and wastewater systems.
Chemical Processing
Valve type: Lift Check Valve
Key features: Resistant to aggressive media; ensures system protection against backflow of corrosive chemicals.
Power Generation
Valve type: High-Pressure Lift Check Valve
Key features: Withstands extreme temperature and pressure in steam and cooling circuits; ensures system safety.
Marine & Offshore
Valve type: Dual Plate / Swing Check Valve
Key features: Compact, anti-corrosion design suitable for limited space and saline conditions.
Pharmaceutical & Food
Valve type: Sanitary Check Valve
Key features: Polished stainless steel, zero dead-angle design, FDA-compliant for hygienic flow systems.
Frequently Asked Questions
Swing Check vs Lift Check Valve?
Swing Check Valve: Suitable for larger pipelines with low-pressure drop requirements.
Lift Check Valve: Ideal for high-pressure, high-velocity systems where quick closure is essential.
What are Dual Plate Check Valves used for?
Dual plate check valves are designed for compact systems, offering lightweight construction, reduced installation space, and energy savings. Perfect for HVAC, water treatment, and marine applications.
Can Check Valves handle high-pressure applications?
Yes. Vcore high-pressure lift check valves are designed for steam, gas, and oil pipelines up to 2500#, ensuring secure sealing and long-term reliability.
Do Check Valves require regular maintenance?
Check valves generally require minimal maintenance due to their simple design. Periodic inspection of sealing surfaces is recommended in high-cycle or corrosive environments.
Can Check Valves be customized?
Yes. Vcore offers customized check valves in terms of size, pressure class, materials, and end connections to meet the exact needs of different industries.
What materials are available?
Carbon steel, stainless steel 304/316, ductile iron, bronze, duplex — customized for your specific media and operating conditions.