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Help CenterPN1.6-6.4MPa Marine High Temperature Globe Check Valve, Cast Steel Body, 425℃ Working Temp, DN15-DN150, Flanged
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Shanghai Zhibang Valve Manufacture Co., Ltd, a reliable manufacturer established in 2016, is proud to present our PN1.6-6.4MPa Marine High Temperature Globe Check Valve. With a cast steel body designed to withstand working temperatures up to 425°C, this valve is engineered for demanding marine and industrial applications. Our flanged globe check valve combines the functions of a globe valve and a check valve, offering precise flow control and automatic backflow prevention in one robust unit. Backed by ISO9001 certification, each valve undergoes rigorous quality checks to ensure long-term performance in high-pressure, high-temperature environments.
Product Features & Technical Specifications
- High Temperature Capability: Suitable for continuous operation up to 425°C, ideal for steam, hot oil, and other high-temperature media.
- Pressure Ratings: Available in PN1.6, PN2.5, PN4.0, PN6.4 MPa to meet various system requirements.
- Cast Steel Body: Durable carbon steel (WCB/ WCC) provides excellent strength and corrosion resistance.
- Flanged Connection: Conforms to standard flange dimensions (DIN, ANSI, JIS available upon request) for easy installation.
- Combined Function: Acts as both a globe valve (throttling) and a check valve (preventing backflow), reducing pipeline components and saving space.
- Self-actuating: The check function operates automatically without external power, enhancing system safety.
- Wide Size Range: DN15 to DN150 (1/2” to 6”) to fit diverse piping systems.
- Marine Grade Design: Anti-corrosion coating and sealing materials suitable for marine environments (salt-water resistant optional).
| Parameter | Specification |
|---|---|
| Material – Body | Cast Steel (WCB, WCC, LCB available) |
| Material – Disc / Seat | 13% Cr stainless steel or optional hardened alloys |
| Working Pressure | 1.6 – 6.4 MPa (PN16 – PN64) |
| Max Working Temperature | 425°C (800°F) |
| Connection | Flanged (RF / FF) – Dimensions per ASME B16.5 or EN 1092-1 |
| Size Range | DN15 – DN150 (1/2” – 6”) |
| Design Standard | ISO 9001, API 602 (applicable references) |
| Test Pressure (Shell) | 1.5 x Rated Pressure |
Applications & Benefits
This globe check valve is widely used in marine propulsion systems, boiler feedwater lines, steam distribution, petrochemical units, and high-temperature process piping. Its combined design eliminates the need for two separate valves, reducing installation costs and potential leak points. The cast steel body ensures robustness under thermal stress, while the flanged connection simplifies maintenance. Additionally, the valve's self-check feature automatically closes when flow reverses, preventing water hammer and protecting downstream equipment.
Trust & Quality Assurance
Shanghai Zhibang Valve Manufacture Co., Ltd has been delivering high-quality valves since 2016. With an annual export value of US$1 Million – US$1.5 Million, our products reach markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, and more. We are ISO9001 certified, and each valve is individually hydrostatically tested before shipment. Our factory in Shanghai ensures efficient logistics via Shanghai, Guangzhou, Hong Kong, and Beijing ports. We offer customization options (e.g., special coatings, materials, or flanges) to meet your specific requirements. Contact us today for competitive pricing and reliable delivery schedules.
Frequently Asked Questions (FAQ)
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Q: What is the difference between a globe check valve and a standard check valve?
A: A globe check valve combines the throttling capability of a globe valve with the automatic backflow prevention of a check valve. It allows for flow regulation and prevents reverse flow, whereas a standard check valve only prevents backflow without regulation. -
Q: Can this valve be used for steam applications?
A: Yes, with a maximum working temperature of 425°C, it is suitable for saturated and superheated steam systems within the specified pressure range. -
Q: What flange standards are available?
A: We offer flanges according to ANSI B16.5 (Class 150-600) or DIN/EN 1092-1 (PN16-PN64). Other standards (JIS, GOST) can be manufactured as per request. -
Q: Is the valve suitable for saltwater marine environment?
A: The standard cast steel body can be equipped with optional anti-corrosion coatings (e.g., marine epoxy) and stainless steel internals for enhanced saltwater resistance. Please specify your requirement when ordering. -
Q: What materials are used for the disc and seat?
A: The standard disc and seat are made of 13% chromium stainless steel (AISI 410/420). For higher temperature or abrasive media, Stellite or other hardfacing alloys are available upon request. -
Q: How is the valve tested before delivery?
A: Each valve undergoes a shell hydrostatic test at 1.5 times the rated pressure and a seat leakage test at the rated pressure. Test certificates can be provided. -
Q: What is the lead time for standard sizes?
A: For common sizes (DN15-DN100), the lead time is approximately 15-25 working days. Customized or larger sizes may require 30-45 days. -
Q: Do you provide OEM or private label services?
A: Yes, we offer OEM production and can add your brand name/logo on the valve body or nameplate. Minimum order quantity applies.
Choose Shanghai Zhibang for reliable high-temperature globe check valves that deliver performance and peace of mind. Contact our sales team at info@zhibangvalve.com or call +86-21-xxxx-xxxx for a quotation.
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