API-Certified Heavy-Duty Cast Steel Check Valves | Industrial Swing & Lift Design | Gangye Valve
Discover Gangye Valve’s API-certified cast steel check valves with pressure ratings up to Class 2500. Engineered for durability and performance in oil, gas, and industrial applications. CE/ISO certified. 18-month warranty. Request your quote today!
Premium Cast Steel Check Valves for Industrial Applications
Gangye Valve delivers API-certified check valves engineered for extreme pressure (Class 150LB-2500LB) and corrosive environments. Featuring patented sealing technology and customizable configurations for oil, gas, and water systems.
Core Advantages
✅ Pressure-Adaptive Sealing
- Class 150-300: Stainless steel + flexible graphite gaskets
- Class 600-900: Optional ring joint/pressure-tight seals
- Class 1500-2500: Pressurized metal-to-metal sealing
✅ Durable Construction
- Forged steel seats with customer-specified hard alloy welding
- Solid-pin rocker arms for 100,000+ cycle reliability
- Anti-overextension disc stopper mechanism
✅ Global Compliance
Certified to API 600, ASME B16.34, ISO9001, and CE standards
Technical Superiority
Seat Design Innovation
- Carbon Steel Valves: Renewable threaded seats (NPS≤10) or welded-on seats (NPS≤12)
- Stainless Steel Valves: Integral hard-alloy welded seats or custom configurations
Structural Integrity
- Bolted bonnet with pressure-class-specific gaskets
- Lifting rings for easy NPS 32″ valve installation
- ASTM-compliant materials: WCB, WC6, CF8M, Monel, etc.
Why Choose Gangye Valves?
🔧 OEM/ODM Support
🌍 18-Month Global Warranty
⚡ Fast Delivery: 15-30 Days Lead Time
- High-pressure check valve supplier
- API-certified industrial valves
- Customizable cast steel check valves
- Corrosion-resistant valve solutions
- Heavy-duty swing check valve
Localization Keywords (Region-Specific):
- US: “ASME B16.5 compliant check valves”
- EU: “CE-marked industrial check valves”
- Middle East: “API 6D oil/gas pipeline valves”
Specifications
| Parameter | Details |
|---|---|
| Sizes | 2″ to 32″ (DN50-DN800) |
| Pressure Rating | Class 150LB to 2500LB |
| Materials | WCB, LCC, CF8M, Duplex Steel |
| Certifications | API 600, ISO9001, CE, TS |
| Warranty | 18-month quality assurance |
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📞 Contact our engineers 📧 sales@chinagangye.com for a free (working condition analysis) and 3–5% discount on first orders.