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Help CenterANSI Hard Seal Cast Iron Gate Valve With Size Range 2" to 24", DN50-DN600, PN10/PN16 Pressure Rating for Industrial Pipelines
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Chengxin Valve Co., Ltd., a seasoned manufacturer established in 1993, delivers precision-engineered ANSI Hard Seal Cast Iron Gate Valves designed for rigorous industrial pipeline systems. With sizes spanning 2" to 24" (DN50-DN600) and pressure ratings of PN10/PN16, these valves provide exceptional sealing performance and durability in demanding environments. Backed by ISO9001, ISO14000, and OHSAS18001 certifications, our valves ensure reliable flow control for clients across South America, Eastern Europe, Africa, and the Mid East through efficient shipments from major Chinese ports.
Key features and technical advantages include:
Robust construction using high-grade cast iron for superior corrosion resistance and structural integrity
Hard seal design minimizes leakage risks even under high-pressure conditions (up to PN16)
ANSI-standard connections ensure compatibility with global industrial piping systems
Low-friction operation reduces maintenance frequency and extends service life
Optional handwheel or gear operation configurations for flexible installation
Technical specifications for standard models:
| Size (Inch/DN) | Pressure Rating | Max Temperature | Body Material |
|---|---|---|---|
| 2" / DN50 | PN16 | 120°C | Cast Iron |
| 12" / DN300 | PN10/PN16 | 120°C | Cast Iron |
| 24" / DN600 | PN10 | 100°C | Cast Iron |
These valves deliver measurable benefits for industrial operators, including reduced downtime due to their fail-safe sealing mechanism and cost efficiency from minimal maintenance requirements. The hard seal technology prevents particulate buildup in fluid transfer applications, while the full-bore design maintains consistent flow rates. Suitable for water treatment plants, chemical processing, and oil/gas auxiliary systems, they withstand pressures up to 16 bar without performance degradation.
Chengxin Valve supports global logistics from Tianjin, Qingdao, Shanghai, and Ningbo ports, with a 50,000–100,000 m² manufacturing facility ensuring scalable production. Customizable options include alternative sealing materials for specific media compatibility.
Optimize your pipeline infrastructure with valves combining three decades of manufacturing expertise and internationally recognized quality standards. Request a technical datasheet or volume-based quotation today to experience reliable, long-term performance in critical flow control applications. Our engineering team stands ready to address project-specific requirements through our overseas offices.
Frequently Asked Questions:
Q: What is the typical lead time for DN600 size valves?
A: Standard lead time is 30–45 days for bulk orders, subject to customization requirements.
Q: Can these valves handle abrasive fluids?
A: Yes, the hard seal design resists abrasion, though media compatibility assessments are recommended for extreme cases.
Q: Are test certificates provided with shipments?
A: Factory test reports including hydrostatic and shell tests are available upon request.
Q: Is flange facing included for ANSI connections?
A: Standard models include RF (Raised Face) flange finishing, with other types customizable.
Q: What maintenance is required after installation?
A: Annual visual inspections and lubrication of stems are typically sufficient under normal operating conditions.
Q: Do you offer smaller sizes below 2"?
A: Smaller diameters are available as custom orders; contact our engineering department for specifications.
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