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Home > Industrial Equipment & Components > Valve > Other Valves & Parts > Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc

Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc

Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc thumbnail-3

Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc thumbnail-4

Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc thumbnail-5

Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc photo-1

Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc photo-2

Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc photo-3

Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc photo-4

Low-Pressure Drop Marine Check Valve CBT4303, Wafer Type With Bronze Disc photo-5

Product Spotlights

Designed for marine systems, the CBT4303 check valve features a low-pressure drop design for energy savings and a corrosion-resistant bronze disc for durability. Its compact wafer type simplifies installation in tight spaces. Available in sizes DN50-DN600 with various body materials and seal options, it offers reliable backflow prevention for seawater, ballast, and cooling applications.

Negotiable MOQ: 20 Units (Price negotiable depending on order volume and customization)

Key Specifications

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Valve Type:

Wafer Type Check Valve

Disc Material:

Bronze

Body Material:

Cast Iron, Ductile Iron, Carbon Steel

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Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

shanghai

Delivery Detail:

7 days

Product Details
Company Profile
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Valve Type Wafer Type Check Valve

Disc Material Bronze

Body Material Cast Iron, Ductile Iron, Carbon Steel

Connection Type Wafer

Nominal Diameter DN50 - DN600 (2“ - 24“)

Pressure Rating PN10 - PN16 (Class 150 - Class 300)

Seat Material NBR, EPDM, Viton

Application Marine, Shipbuilding, Offshore Platforms

As a professional valve manufacturer with a strong track record since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents the CBT4303 Low-Pressure Drop Marine Check Valve. Engineered specifically for demanding marine and offshore applications, this wafer-type valve is designed to provide reliable backflow prevention with minimal pressure loss, directly translating to enhanced system efficiency and reduced operational costs for your projects.

The CBT4303 stands out for its robust construction and intelligent design. The incorporation of a bronze disc ensures excellent corrosion resistance in seawater environments, while the compact wafer design simplifies installation and saves valuable space in tight shipboard piping systems. Our commitment to quality, backed by ISO9001 certification, means you receive a product built for performance and longevity.

Key Features and Technical Advantages:

Optimized Low-Pressure Drop Design: The streamlined internal flow path and precision-engineered disc significantly reduce resistance, ensuring maximum flow efficiency and conserving pump energy.
Durable Bronze Disc: The disc is crafted from high-grade bronze, offering superior resistance to seawater corrosion, cavitation, and erosion, which is critical for marine service.
Space-Saving Wafer Configuration: The wafer-style body installs easily between ANSI or DIN standard flanges without the need for extra gaskets or long bolts, making it ideal for retrofit projects and space-constrained installations.
Reliable Swing Mechanism: Features a smooth-swinging disc on a sturdy hinge pin, allowing quick closure upon flow reversal to prevent water hammer and protect upstream equipment.
Versatile Material Options: While the disc is bronze, the valve body is available in various materials like cast iron, ductile iron, or carbon steel to suit different pressure ratings and fluid compatibilities.
Customizable Sealing: Standard seat seals are NBR or EPDM, with Viton (FKM) available upon request for applications involving oils, fuels, or higher temperatures.

Detailed Technical Specifications:

Parameter	Specification
Model	CBT4303
Valve Type	Swing Check Valve, Wafer Type
Disc Material	Bronze
Body Material (Standard)	Cast Iron / Ductile Iron
Size Range	DN50 to DN600 (2" to 24")
Pressure Rating	PN10, PN16 (Class 150, Class 300)
Connection Standard	ANSI, DIN, JIS, GB Standards
Seat Seal Material	NBR (Standard), EPDM, Viton (Optional)
Application Media	Seawater, Fresh Water, Bilge Systems, Ballast Systems, Cooling Lines
Operating Temperature	-10°C to 120°C (depending on seal material)

Benefits for Your Operations:

Energy Savings: The low-pressure drop characteristic reduces the load on pumps, leading to lower electricity consumption and operational expenses.
Reduced Maintenance: The durable bronze disc and robust construction minimize wear and tear, extending service intervals and lowering lifecycle costs.
Enhanced System Protection: Prevents backflow effectively, safeguarding sensitive pumps, filters, and other components from potential damage.
Easy Installation & Maintenance: The wafer design allows for quick installation and removal, reducing downtime during system servicing or modifications.

Frequently Asked Questions (FAQ):

Q: What makes this a "low-pressure drop" check valve?
A: Our CBT4303 features a carefully profiled disc and a streamlined port design that minimizes turbulence and flow restriction. This engineering focus results in a lower pressure loss compared to conventional swing check valves, improving overall system efficiency.
Q: Why is a bronze disc important for marine applications?
A: Bronze offers excellent resistance to corrosion from saltwater, a common challenge in marine environments. This material choice enhances the valve's durability and prevents premature failure, ensuring reliable long-term performance.
Q: Can this wafer valve be installed between flanges of different standards?
A: The valve is designed to fit standard ANSI and DIN flanges. It is crucial to confirm the flange standards and pressure class of your existing piping to ensure a proper fit. Our technical team can assist with compatibility checks.
Q: What are the available seal material options and their purposes?
A: Standard seals are NBR for general water service. EPDM is recommended for hot water or mild chemicals. For applications involving fuels, oils, or higher temperatures, Viton (FKM) seals are available as a customization option.
Q: Is the valve suitable for vertical installation?
A: Yes, the CBT4303 can be installed in both horizontal and vertical pipelines with upward flow. For vertical installation, ensure the flow direction is upward to allow the disc to swing open properly.
Q: What is the typical lead time for orders?
A: Lead times vary based on order quantity, size, and material specifications. Standard sizes in common materials often have shorter lead times. We recommend contacting our sales team for a precise delivery schedule.
Q: Do you provide documentation like material test reports?
A> As an ISO9001 certified manufacturer, we maintain strict quality control. Material test reports, inspection certificates, and other relevant documentation can be provided upon request to support your project requirements.
Q: What after-sales support do you offer?
A: We provide comprehensive technical support, including installation guidance and troubleshooting. Spare parts such as discs, pins, and seals are available to ensure the long-term operability of your valves.

With an annual export value ranging between US$1 Million and US$1.5 Million, Shanghai Zhibang has established a solid reputation across diverse markets including North America, Europe, Southeast Asia, and Africa. Our products are shipped from major ports like Shanghai, Guangzhou, and Hong Kong, ensuring efficient logistics. The CBT4303 Low-Pressure Drop Marine Check Valve embodies our dedication to providing reliable, efficient fluid control solutions for the global marine industry. By choosing our valve, you are selecting a product backed by professional manufacturing expertise and a commitment to customer satisfaction. Contact us today to discuss your specific requirements or to request a detailed quotation.

Product Tags: Marine Check Valve , Wafer Check Valve , Low Pressure Drop Check Valve