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API 600 Marine Gate Valve in Duplex Stainless Steel, Full Port Design
Product Spotlights
API 600 compliant marine gate valve constructed from corrosion-resistant Duplex Stainless Steel for superior strength and durability in harsh offshore environments. Full port design ensures minimal pressure drop and allows for pigging. Available in various pressure classes with optional fire-safe certification and gear/electric actuation. Manufactured under ISO9001 for guaranteed quality and reliability in global marine and industrial applications.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Duplex Stainless Steel (e.g., UNS S31803/S32205)
Application:
Other, Marine
Design Standard:
API 600
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Duplex Stainless Steel (e.g., UNS S31803/S32205)
Application
Other, Marine
Design Standard
API 600
Port Type
Full Port (Full Bore)
Operation Type
Handwheel, Gear Operated
Connection Type
Flanged (RF, RTJ), Optional
Pressure Class
ASME 150, 300, 600, 900, 1500, 2500
Temperature Range
Suitable for sub-zero to elevated temperatures
Face-to-Face
ASME B16.10
Fire Safe Design
Optional API 607/API 6FA certification
As a leading manufacturer with a strong commitment to quality since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our premium API 600 Marine Gate Valve in Duplex Stainless Steel with Full Port Design. Engineered for the most demanding fluid control applications in harsh environments, this valve represents the culmination of precision manufacturing, superior material science, and strict adherence to international standards. Our valves are designed to provide reliable isolation, exceptional corrosion resistance, and minimal pressure drop, making them an indispensable component for marine, offshore, and critical industrial systems worldwide. With an annual export value reflecting our global reach and customer trust, we deliver solutions that combine durability with performance.
Core Product Features & Technical Advantages:
- Superior Duplex Stainless Steel Construction: Manufactured from high-grade Duplex Stainless Steel (UNS S31803/S32205), this valve offers an outstanding balance of strength and corrosion resistance. The duplex microstructure provides approximately twice the yield strength of standard austenitic stainless steels (like 316) while maintaining excellent resistance to chloride stress corrosion cracking, pitting, and crevice corrosion, which is critical for seawater and offshore applications.
- API 600 Compliance for Maximum Reliability: Designed and manufactured in strict compliance with API Standard 600 for "Steel Gate Valves." This ensures robust design, rigorous material specifications, thorough non-destructive examination (NDE), and stringent pressure testing, guaranteeing long-term, leak-free service in critical applications.
- Full Port (Full Bore) Design: The full port design features a bore diameter essentially equal to the pipeline's inner diameter. This minimizes fluid turbulence, reduces pressure drop across the valve, and allows for the passage of pipeline pigs, sphere, or cleaning devices, which is essential for many oil, gas, and chemical processes.
- Optimized for Marine & Offshore Service: Specifically engineered to withstand the corrosive marine atmosphere, seawater cooling systems, ballast systems, and other shipboard services. The material choice and design make it suitable for a wide range of fluids including crude oil, seawater, chemicals, and hydrocarbons.
- Robust Stem & Gate Design: Features a rising stem with a non-rotating design for clear visual indication of valve position. The solid wedge or flexible wedge gate (options available) ensures tight shut-off and is designed to handle differential thermal expansion without binding.
- Versatile End Connections and Pressure Ratings: Available with flanged ends (Raised Face RF or Ring-Type Joint RTJ) per ASME B16.5, and conforming to face-to-face dimensions per ASME B16.10. Standard pressure classes range from ASME 150 through 2500, catering to various system requirements.
Detailed Technical Specifications:
| Parameter | Specification |
|---|---|
| Design & Manufacturing Standard | API 600, ASME B16.34 |
| Primary Material (Body/Bonnet) | Duplex Stainless Steel (UNS S31803/S32205) |
| Trim Material (Seat, Stem, Wedge) | Duplex Stainless Steel or Hardened Duplex / Stellite overlay options |
| Port Type | Full Port (Full Bore) |
| Operation | Handwheel (Standard), Bevel Gear, Electric or Pneumatic Actuator (Optional) |
| Pressure Class (ASME) | 150, 300, 600, 900, 1500, 2500 |
| Temperature Range | Designed for service from cryogenic to elevated temperatures per material limits |
| End Connection | Flanged (RF, RTJ), Butt Weld End (Optional) |
| Face-to-Face | ASME B16.10 |
| Testing Standard | API 598 / ISO 5208 |
Benefits for Your Operations:
- Extended Service Life & Reduced Maintenance: The exceptional corrosion resistance of duplex stainless steel significantly extends valve life in corrosive media, reducing replacement frequency and total cost of ownership.
- Enhanced System Efficiency: The full port design minimizes flow restriction, helping to maintain system pressure and reduce pumping energy costs over the long term.
- Guaranteed Performance & Safety: Compliance with API 600 provides assurance of material integrity, design robustness, and manufacturing quality, which is crucial for safety-critical applications in offshore and marine environments.
- Global Supply Chain Compatibility: Manufactured to internationally recognized standards, our valves ensure easy integration into global projects and replacement in existing systems.
- Flexible Configuration: Available in a range of sizes, pressure ratings, and with optional features like gear operators, locking devices, and extended stems for buried service, allowing customization to your specific project needs.
Backed by our ISO9001:2015 Quality Management System certification, every API 600 Duplex Gate Valve undergoes rigorous quality checks from raw material inspection to final hydrostatic and seat leakage tests. With an established export network serving key markets across North and South America, Europe, Asia, Africa, and Oceania, and major shipment ports like Shanghai, Guangzhou, Hong Kong, and Beijing ensuring logistical efficiency, Shanghai Zhibang has proven its capability as a reliable global supplier. Our commitment is to deliver not just a valve, but a durable, high-performance solution that safeguards your operations. For detailed quotations, technical data sheets, or to discuss your specific application requirements, contact our engineering team today.
Frequently Asked Questions (FAQ):
-
Q: What are the key advantages of using Duplex Stainless Steel over 316 Stainless Steel for marine valves?
A: Duplex Stainless Steel offers significantly higher yield strength (approximately double) and superior resistance to chloride-induced stress corrosion cracking, pitting, and crevice corrosion. This makes it far more durable and reliable in aggressive seawater and offshore environments compared to standard 316 SS, leading to a longer service life and lower lifecycle costs. -
Q: Does "Full Port" design affect the valve's pressure rating or shut-off capability?
A: No, the full port design refers to the internal bore size and does not compromise the valve's pressure-containing capability or shut-off performance. The valve is designed and tested per API 600 and API 598 standards to meet its rated pressure class and provide bubble-tight shut-off. -
Q: Can this valve be used for sub-zero or cryogenic service?
A: Yes, Duplex Stainless Steel has good toughness at low temperatures. However, specific grade selection and design considerations (like extended bonnet options) may be required for very low temperature applications. We recommend consulting our technical team with your specific temperature requirements. -
Q: Are fire-safe versions of this API 600 gate valve available?
A: Yes, fire-safe design compliant with standards such as API 607 or API 6FA is available as an optional feature. This includes secondary metal-to-metal seating arrangements to provide emergency sealing in the event of a fire. -
Q: What types of operators are available besides the standard handwheel?
A: To facilitate operation in hard-to-reach locations or for high-pressure valves, we offer bevel gear operators. Additionally, the valve can be fitted with electric or pneumatic actuators for automated remote operation, subject to configuration. -
Q: How do I determine the correct pressure class (e.g., 150, 300, 600) for my application?
A: The pressure class should be selected based on the maximum working pressure and temperature of your system, following the ASME B16.34 pressure-temperature rating charts for Duplex Stainless Steel. Our sales engineers can assist you in this selection process based on your provided service conditions. -
Q: What documentation accompanies the valves upon delivery?
A: Each valve shipment is typically accompanied by a material test report (MTR), certificate of compliance/conformance, dimensional drawing, and pressure test report. Full certification packages as per project specifications can be provided. -
Q: What is the typical lead time for an order of these valves?
A: Lead times vary based on size, pressure class, quantity, and optional features. For standard configurations, we often maintain inventory or offer competitive production schedules. Please inquire with your specific requirements for an accurate delivery timeline.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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