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Help CenterAPI598 Tested ANSI Hard Seal Cast Iron Gate Valve for High-Pressure Environments, Robust Cast Iron Material Design
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Engineered for demanding industrial environments, our API598 Tested ANSI Hard Seal Cast Iron Gate Valve delivers uncompromising performance in high-pressure systems. Featuring robust cast iron construction and hard-seal technology, this valve ensures leak-proof operation and extended service life. Rigorously tested to API598 standards, it provides reliable shut-off capabilities for critical applications where failure is not an option.
Manufactured by Chengxin Valve Co., Ltd. – an ISO-certified producer with 30+ years of industrial expertise – this valve combines traditional durability with modern quality assurance. The flanged connection design facilitates straightforward installation, while the hard-seat configuration maintains sealing integrity even under extreme pressure fluctuations.
- Pressure Resilience: Specifically engineered for sustained operation in high-pressure environments exceeding 150 PSI
- Corrosion Resistance: Cast iron body with anti-corrosion treatment suitable for diverse media
- Zero-Leak Performance: API598 tested sealing ensures bubble-tight closure after 10,000+ cycles
- Thermal Stability: Maintains functionality from -20°C to 200°C temperature range
- Low Maintenance: Stem nut design prevents thread damage during operation
Technical specifications include:
| Parameter | Specification |
| Body Material | GG25 Cast Iron |
| Pressure Class | ANSI 150 (Customizable) |
| Size Range | DN50 - DN600 (2" - 24") |
| Face-to-Face | ASME B16.10 Dimensions |
| Seat Material | 13% Cr Steel Hardfaced |
| Stem Design | Rising Stem, Non-Rotating |
The wedge-style gate design features precision-machined surfaces that create uniform sealing pressure across the entire seat circumference. This eliminates localized wear points that typically cause premature failure in standard valves. For applications involving abrasive media, optional hardened seat coatings are available upon request.
Installation flexibility is enhanced through multiple operation options: standard handwheel for manual control, or gear operation for larger sizes and higher torque requirements. The bonnet design incorporates pressure-energized sealing that improves containment at higher operating pressures.
Backed by Chengxin's global logistics network with shipments from Tianjin, Qingdao, Shanghai, and Ningbo ports, we ensure timely delivery to South American, Eastern European, African, and Middle Eastern markets. Our manufacturing facility employs automated quality control stations that verify critical dimensions and perform hydrostatic testing on every unit before shipment.
Discover why industrial operators worldwide trust this valve for critical isolation applications. Contact Chengxin Valve today for technical consultation or request a sample to evaluate performance in your specific operating conditions. With 101-200 skilled technicians and 50,000+ sqm production facilities, we're equipped to handle both standard and customized requirements while maintaining consistent quality across all shipments.
Frequently Asked Questions
Q: What media is this valve suitable for?
A: Designed for water, steam, oil, and non-corrosive gases. For corrosive media, special coatings can be applied.
Q: Are higher pressure ratings available?
A: Yes, Class 300 and Class 600 configurations can be manufactured upon request.
Q: What documentation accompanies shipments?
A: All valves include material certificates, test reports, and installation manuals.
Q: Do you provide custom face-to-face dimensions?
A: Custom dimensions can be manufactured for special piping configurations.
Q: What is the typical lead time?
A: Standard configurations ship within 30 days; customizations may require 45-60 days.
Q: Is gear operation included?
A: Gear operators are optional and quoted separately based on valve size.
Q: What maintenance is required?
A: Annual lubrication of stem threads is recommended for optimal performance.
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