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Help CenterPN1.0MPa DN200 Cast Iron Flanged Valve for Bilge Pump Suction Lines, Stop-Check Type
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As a dedicated manufacturer with ISO9001 certified processes, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our PN1.0MPa DN200 Cast Iron Flanged Valve, specifically engineered for bilge pump suction lines. Designed with reliability and safety at its core, this stop-check type valve offers robust performance in demanding marine and industrial fluid control applications. Our commitment to quality, honed since our establishment in 2016 and supported by an annual export value ranging from US$1 to US$1.5 million, ensures that every valve delivers the durability and precise control our global clients in North America, Europe, Asia, and beyond have come to expect.
This valve is a critical component for managing fluid flow in bilge systems, combining the functions of a stop valve and a check valve into a single, compact unit. Its primary purpose is to allow forward flow to the pump while preventing dangerous reverse flow, protecting both the pump and the entire system from potential damage. The cast iron construction provides excellent corrosion resistance and structural integrity, making it suitable for various water and mild chemical service environments commonly encountered in marine applications.
Key Features & Technical Advantages:
- Dual-Function Design: Integrates stop and check valve functionalities, simplifying piping layouts and reducing installation points.
- Robust Cast Iron Body: Ensures long service life and resistance to corrosion in marine and industrial atmospheres.
- Flanged Connection (DN200): Facilitates secure, leak-resistant installation and easy maintenance or replacement within pipeline systems.
- PN1.0MPa Pressure Rating: Capable of handling working pressures up to 10 bar, suitable for a wide range of bilge pump system requirements.
- Manual Operation: Provides straightforward and reliable control for operators.
- Optional Seat Materials: Available with different elastomer seats (like EPDM or NBR) to match specific fluid compatibility needs.
Detailed Technical Specifications:
| Parameter | Specification |
| Product Model | Stop-Check Flanged Valve |
| Body Material | Cast Iron |
| Nominal Diameter (DN) | 200 |
| Pressure Rating (PN) | 1.0 MPa (10 bar) |
| Connection Type | Flanged |
| Valve Type | Stop-Check (Non-Return & Isolation) |
| Primary Application | Bilge Pump Suction Lines |
| Operation Mode | Manual (Handwheel) |
| Seat Material | Customizable (e.g., EPDM, NBR) |
| Flow Direction | Unidirectional (as indicated on body) |
Benefits for Your Operation:
- Enhanced System Protection: Prevents reverse flow that can cause water hammer and damage pumps, ensuring operational safety.
- Space and Cost Efficiency: Combines two valve functions, saving space in engine rooms and reducing overall component costs.
- Reliable Leak Prevention: The flanged design with proper gaskets offers a secure seal, minimizing the risk of leaks in critical bilge systems.
- Ease of Maintenance: The design allows for relatively straightforward inspection and seat replacement if necessary, reducing downtime.
- Broad Compatibility: Suitable for use with various bilge pumps and compatible with standard DN200 flanged piping.
Trust in a product backed by a manufacturer with a proven global footprint. Shanghai Zhibang's valves reach markets across North America, South America, Europe, Asia, Africa, and Oceania, shipped efficiently from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. This widespread acceptance is a testament to the consistent quality and reliability engineered into every valve. Choosing our PN1.0MPa DN200 Cast Iron Flanged Valve means investing in a component that safeguards your bilge system's integrity, simplifies your fluid control strategy, and is supported by a manufacturer dedicated to international standards. For detailed quotes, customization options, or technical support, contact our team today to discuss how this valve can meet your specific project requirements.
Frequently Asked Questions (FAQ):
-
What is the main purpose of a stop-check valve in a bilge pump suction line?
This valve serves a dual role: it acts as a manual shut-off valve to isolate the pump for maintenance, and it incorporates a check valve mechanism to automatically prevent reverse flow when the pump stops, protecting the pump from backflow and potential damage. -
Is this valve suitable for saltwater applications?
Yes, the cast iron body offers good corrosion resistance. For optimal longevity in aggressive saltwater environments, specifying appropriate seat materials and ensuring proper external painting or coating as per your specification is recommended. -
Can the valve be installed in any orientation?
It is generally recommended to install stop-check valves with the stem in a vertical or near-vertical position to ensure proper operation of the internal check mechanism. Installation details are available upon request. -
What are the standard flange dimensions for the DN200 model?
The valve is manufactured to common international flange standards (such as DIN, ANSI, JIS). Specific flange standards, pressure class (e.g., PN10/16), and facing details can be confirmed based on your order requirements. -
Is the valve seat replaceable?
Yes, the valve is designed to allow for seat replacement, which extends the service life of the unit. The specific procedure and available seat material options can be provided. -
What is the lead time for an order of this valve?
Lead times vary based on order quantity and specific configuration. As an established manufacturer with efficient processes, we strive to offer competitive lead times. Please contact us with your quantity for an accurate schedule. -
Do you provide documentation like test certificates?
Yes, standard documentation including material certificates and functional test reports can be provided. Additional certification requirements can be discussed. -
Are other sizes or pressure ratings available?
Absolutely. As a manufacturer, we produce a range of valves in different nominal diameters (DN) and pressure ratings (PN). Inquire about our full product catalog for other specifications.
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