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CBT4303 Wafer Check Valve With Mill Test Report and Warranty
Product Spotlights
CBT4303 wafer check valve prevents backflow with compact design. Features robust swing disc, multiple material options (ductile iron/steel/stainless), and standard epoxy coating. Includes crucial Mill Test Report for material traceability and comes with a warranty. Suitable for water, oil, gas, and chemical lines in sizes DN50 to DN600. ISO9001 manufactured for reliable performance.
Negotiable
MOQ: 10 Units (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Ductile Iron, Stainless Steel, Carbon Steel
Application:
Other, Water
Size Range:
DN50 to DN600 (2“ to 24“)
Payment & Shipping
Payment Methods:
Port of Shipment:
shanghai
Delivery Detail:
7 days
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Material
Other, Ductile Iron, Stainless Steel, Carbon Steel
Application
Other, Water
Size Range
DN50 to DN600 (2“ to 24“)
Pressure Rating
PN10/16, Class 150/300
Connection Type
Wafer type, between flanges
Seat Material
NBR, EPDM, Viton optional
Disc Material
Ductile Iron with epoxy coating
Standards
ISO9001 manufacturing system
Model
CBT4303 series
Feature
With mill test report and warranty
As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-quality flow control solutions for global markets. Our CBT4303 Wafer Check Valve represents our commitment to reliability and performance in industrial pipeline systems. Designed to prevent backflow and protect equipment, this valve comes with comprehensive documentation including a Mill Test Report and a solid warranty, providing you with verifiable quality assurance and peace of mind for your critical applications across water supply, oil & gas, chemical processing, and general industrial services.
Core Design & Construction Advantages:
- Compact Wafer Design: The valve is engineered to fit between two pipeline flanges, significantly reducing installation space and weight compared to traditional flanged check valves. This design simplifies installation and lowers overall system costs.
- Robust Swing Disc Mechanism: Features a single-disc or dual-disc (depending on size) design that swings on a hinge pin. The disc closes smoothly under reverse flow or spring assist (if specified), ensuring quick, positive sealing to prevent water hammer and protect pumps and other upstream equipment.
- Superior Material Selection: The main body is available in ductile iron (standard with epoxy coating), carbon steel, or stainless steel (AISI 304/316) to suit various media and environmental conditions. The sealing seat utilizes high-grade elastomers like NBR, EPDM, or Viton (FKM) for excellent chemical resistance and long service life.
- Enhanced Durability Features: The hinge pin and bushings are designed for minimal wear, often made from stainless steel. The disc is coated or made from corrosion-resistant materials to ensure reliable operation over thousands of cycles.
Technical Specifications & Performance Data:
| Parameter | Specification / Value |
|---|---|
| Design & Test Standards | API 594, API 6D, BS 1868, ISO 5752 |
| Face-to-Face Dimension | Per API 594 / ISO 5752 Standard |
| Pressure-Temperature Rating | As per ANSI B16.34 / EN 1092-1 |
| Leakage Rate | API 598 / ISO 5208 Rate A (Zero Leakage) |
| End Connection Standards | ISO, ANSI, DIN, JIS, BS Flange Standards |
| Optional Features | External Lever & Weight, Spring Assist, Bypass Line |
Key Benefits for Your Operation:
- System Protection & Safety: Automatically prevents reverse flow, safeguarding pumps, compressors, and other equipment from damage due to backflow, which can lead to costly downtime and repairs.
- Reduced Maintenance & Operational Cost: The simple, robust design with few moving parts ensures low maintenance requirements. The high-quality materials resist corrosion and wear, extending service intervals and total lifecycle.
- Documented Quality & Traceability: Each valve is supplied with a Mill Test Report (MTR) that details the chemical composition and mechanical properties of the materials used. This provides full traceability and proof of compliance with specified standards, essential for quality audits and system certifications.
- Flexibility & Wide Applicability: Available in a broad size range (DN50-DN600) and multiple material/seat combinations, the CBT4303 can be configured for diverse fluids including clean water, seawater, oils, mild chemicals, steam, and gases across various industries.
Frequently Asked Questions (FAQ):
-
What is the main advantage of a wafer-style check valve over other types?
The wafer design is significantly lighter and more compact than flanged or threaded-end check valves. It installs directly between two pipeline flanges, saving space and weight, which reduces structural support needs and installation time/cost. -
Can this valve be installed in any orientation?
For optimal performance and to ensure the disc closes by gravity, it is recommended to install the valve in a horizontal pipe with the flow direction upward. Installation in vertical lines is possible but may require a spring-assisted disc model to function correctly; please consult our engineers for specific applications. -
What does the Mill Test Report include, and why is it important?
The MTR is a certificate from the material mill that verifies the chemical and physical properties (like tensile strength, yield strength, hardness, and chemical composition) of the metal used for the valve body and critical components. It is a crucial document for quality assurance, traceability, and compliance with project specifications, especially in regulated industries like oil & gas and power generation. -
What media is this valve suitable for?
With the appropriate material and seat selection, it is suitable for a wide range of media including cold/hot water, air, oil, gas, steam (within temperature limits), and many mild chemical solutions. Always confirm material compatibility with our technical team for specific media. -
What is the typical lead time for an order?
Standard sizes and materials in our CBT4303 range often have stock availability or short production cycles. For large, customized, or special material orders, lead times will be confirmed based on the specific requirements. We maintain efficient production planning to meet project deadlines. -
How does the warranty work, and what does it cover?
Our warranty covers defects in materials and workmanship under normal use and service for a specified period from shipment. It assures that the valve will perform as specified. The warranty terms and duration are provided with the commercial documentation and are part of our commitment to product reliability. -
Can you provide valves with special coatings or certifications?
Yes. We can apply various internal/external coatings like epoxy, Xylan, or galvanizing upon request. While we operate under an ISO9001 quality management system, other specific product certifications (e.g., for fire-safe, NACE MR0175) can be discussed and arranged based on your project needs. -
What support do you offer after the sale?
We provide technical documentation, installation guidance, and spare parts support. Our engineering team is available to assist with selection, application questions, and troubleshooting to ensure the valve integrates seamlessly into your system.
Backed by our ISO9001 certified manufacturing processes and a track record of exporting to diverse markets including North America, Europe, Southeast Asia, and Africa, Shanghai Zhibang Valve guarantees the CBT4303 Wafer Check Valve is built to deliver dependable, long-term service. The combination of a verifiable Mill Test Report and a clear warranty underscores our confidence in this product's quality. We invite you to contact us for a detailed quotation, technical datasheets, or to discuss how this valve can be optimized for your specific pipeline system requirements. Let us be your reliable partner for fluid control solutions.
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1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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