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Zhibang Valve Marine Check Valve, 1 Year Warranty, 9 Classification Societies Certified, DN15-DN300
Product Spotlights
Shanghai Zhibang Valve Marine Check Valve – DN15-DN300, certified by 9 classification societies, ISO9001, 1-year warranty. Reliable backflow prevention with multiple materials (cast iron, stainless steel), flanged/threaded/wafer connections. Direct manufacturer from China, US$1M+ export value, global shipping from Shanghai/Guangzhou/Hong Kong/Beijing.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Cast Iron / Ductile Iron / Stainless Steel (optional)
Pressure:
Other, PN10 / PN16 / PN25 / Class150 (customizable)
Application:
Other, Marine
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Cast Iron / Ductile Iron / Stainless Steel (optional)
Pressure
Other, PN10 / PN16 / PN25 / Class150 (customizable)
Application
Other, Marine
size
DN15 to DN300 (1/2“ to 12“)
connection
Flanged / Threaded / Wafer (optional)
type
Swing Check Valve / Lift Check Valve (optional)
certification
ISO9001, 9 Classification Societies Certified
warranty
1 Year
working_temperature
-20°C to +120°C (standard)
Shanghai Zhibang Valve Manufacture Co., Ltd. – a professional valve manufacturer established in 2016 with annual export value exceeding US$1 Million – proudly presents our Zhibang Valve Marine Check Valve. Designed to withstand the harshest marine environments, this valve ensures reliable backflow prevention and system protection. With 9 Classification Societies Certified and a full 1-year warranty, it delivers unmatched performance for DN15 to DN300 pipelines.
Our check valves are manufactured under strict ISO9001 quality management system, guaranteeing consistent quality from raw material selection to final testing. Available in multiple materials and connection types, they meet the diverse requirements of shipbuilding, offshore platforms, and industrial applications. Below we detail key features, technical specifications, and the benefits you can expect.
Key Features
- Robust Construction: Body materials include cast iron, ductile iron, and stainless steel (CF8/CF8M). Disc and seat options are available in bronze or stainless steel for corrosion resistance.
- Full Size Range: DN15 to DN300 (½" to 12") covers most marine and industrial line sizes.
- Multiple Pressure Ratings: Standard PN10/PN16/PN25, also Class150; higher ratings available upon request.
- Flexible Connections: Flanged (DIN/ANSI/JIS), threaded (BSP/NPT), or wafer type – choose the best fit for your system.
- Low Pressure Drop: Streamlined flow path minimizes head loss, improving system efficiency.
- 9 Classification Societies Certified: Approved by major marine societies (e.g., CCS, ABS, DNV, BV, LR, RINA, NK, KR, PRS), ensuring global acceptance.
- 1-Year Warranty: Full coverage against manufacturing defects – peace of mind included.
Technical Specifications
| Nominal Diameter | DN15 – DN300 (1/2" – 12") |
| Pressure Rating | PN10 / PN16 / PN25 / Class150 (higher on request) |
| Working Temperature | -20°C to +120°C (standard) |
| Materials | Body: Cast Iron / Ductile Iron / Stainless Steel; Disc/Seat: Stainless Steel / Bronze |
| Connection End | Flanged (DIN/ANSI/JIS), Threaded (BSP/NPT), Wafer |
| Certifications | ISO9001, 9 Major Classification Societies |
| Warranty | 1 Year |
| Application | Marine, Offshore, Oil & Gas, Water & Wastewater, Industrial |
Customer Benefits
- Reliable Backflow Prevention: Prevents reverse flow in piping systems, protecting pumps and equipment from damage.
- Extended Service Life: Corrosion-resistant materials and precision machining reduce wear and maintenance frequency.
- Quick Installation: Standardized flanges and compact design fit easily into existing layouts.
- Global Compliance: Classification society certificates ensure your vessel or project meets international regulatory standards.
- Cost-Effective: Competitive pricing without compromising quality – direct manufacturer pricing saves you money.
Backed by Shanghai Zhibang Valve Manufacture Co., Ltd., a company with US$1 Million+ annual export value and a global market presence (North America, South America, Europe, Asia, Africa, Oceania), our marine check valve has been trusted by shipyards and engineering firms worldwide. We ship from Shanghai, Guangzhou, Hong Kong, and Beijing ports, ensuring fast delivery. With ISO9001 certification and rigorous factory testing, every valve meets the highest standards. Contact us today for a quotation or technical support – your marine piping system deserves Zhibang quality.
Frequently Asked Questions
-
Q: What materials are available for the marine check valve?
A: Standard materials include cast iron, ductile iron, and stainless steel (CF8/CF8M). Disc and seat can be stainless steel or bronze. For special requirements, please contact us. -
Q: Which classification societies certify this valve?
A: Our valve is certified by nine major societies, such as CCS, ABS, DNV, BV, LR, RINA, NK, KR, and PRS. Certificate copies are available upon request. -
Q: What is the lead time for DN150 and larger sizes?
A: Typical lead time is 15-30 working days, depending on quantity and material. We can expedite for urgent orders – please inquire. -
Q: Can I get a sample valve for testing?
A: Yes, sample orders are welcome. We provide samples with customization; freight negotiable based on quantity. -
Q: What is the maximum working pressure?
A: Standard pressure ratings are PN10/PN16/PN25 (Class150). Higher ratings such as PN40 or Class300 are available upon request. Confirm with our sales team. -
Q: How do I select the correct connection type?
A: We offer flanged (DIN/ANSI/JIS), threaded (BSP/NPT), and wafer types. Choose based on your pipeline standard. Our engineers can assist. -
Q: Is the valve suitable for seawater?
A: Yes, with stainless steel or bronze internal parts, it is suitable for seawater applications. For extreme corrosion resistance, consider duplex stainless steel (optional). -
Q: What warranty do you offer?
A: All Zhibang marine check valves come with a 1-year warranty against manufacturing defects. Extended warranty plans available upon negotiation.
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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