Home » product » Ductile Iron Flange Ball Check Valve Cast Non Return Valve

Ductile Iron Flange Ball Check Valve Cast Non Return Valve

Valve Type: Ball Check Valve

Size: DN25–DN500

Pressure Rating: PN10 / PN16

Medium Temperature: 0℃ ~ 80℃

End Connection: Flanged / Threaded

Medium: Water

Body Material: Ductile Iron, Carbon Steel, Stainless Steel

Ball / O‑ring: NBR

Gasket: SS304

Actuation: Automatic

Housing Material: DI / WCB / CF8 / CF8M

Certifications: CE, WRAS, ISO

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1. Ductile Iron Body High strength, good toughness, wear-resistant and pressure-resistant, suitable for harsh industrial and water pipeline environments, long service life and not easy to crack.

2. Standard Non-return & Flap Check Design Effectively prevents media backflow, protects pipeline equipment from damage; flap structure ensures smooth opening and closing, low resistance and stable operation.

3. Flexible EPDM/PTFE Sealing Flapper Dual sealing material options (EPDM/PTFE), good sealing performance, zero leakage, corrosion-resistant and high-temperature resistant, adaptable to different media.

4. Flange Connection Easy to install and disassemble, firm connection, suitable for large-caliber pipeline systems, widely used in water supply, drainage and industrial fields.

5. Cast Non-Return Structure Integral casting process, high structural integrity, strong pressure-bearing capacity, stable performance under long-term working conditions.

6. Widely Applicable for Water & Industrial Media Specialized for water transmission and various industrial media, simple maintenance, low failure rate, cost-effective for bulk purchase.

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About Us

Founded in 2016, Shanghai Wangye Valve Manufacturing Co., Ltd. is a professional industrial fluid control manufacturer with nearly a decade of experience, integrating R&D, intelligent production, sales, and customized solutions. Leveraging Shanghai’s advanced manufacturing advantages, we’ve built a reliable brand across petrochemicals, power, metallurgy, water treatment, and new energy industries, offering gate/ball/butterfly valves and tailored solutions for harsh conditions. Backed by advanced equipment, full-process quality control, and ISO certifications, we adhere to “Integrity, Quality, Customer Focus, Innovation” and provide comprehensive services, striving for long-term cooperation and continuous technological upgrading.

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Why Choose Us

Talent and Efficient Team

WYE always insists that employees are the most valuable asset of the enterprise and the future of WYE; Adhere to prioritizing talent selection, education, and utilization in the development of enterprises; introducing talent as the highest return investment behavior. We regard talent as the primary resource for effective management, and pursue a high degree of harmony and unity between employee personal development and enterprise development.We encourage you to have a special perspective, think independently, and be good at organizing resources from all parties. Always maintain a responsible attitude towards results and a positive team spirit that is willing to share in every task..

High End Processing Equipment Creating Excellent Product Quality

Advanced automated production equipment and sophisticated assembly line production demonstrate first-class quality.Technical experts directly participate in production to ensure the concealment and reliability of the product.The increasing awareness of high-quality products and the continuous supply of industrial products have made WYE constantly changing.No matter how the world changes, the persistent spirit of excellence among WTE people remains unchanged.

Warehouse Strength

In our facility, raw materials (including core components and packaging supplies) are strictly controlled via a real-time digital inventory system—tracking batches, shelf life, and storage conditions to boost traceability and cut waste. Semi-finished products, post-preliminary quality checks, are stored per strict industry standards: labeled with progress/inspection records to avoid cross-contamination and damage. Finished products are sorted into specialized warehouses by type, market, and delivery schedule, streamlining picking and reducing dispatch delays. This standardized process effectively boosts efficiency: cutting redundant steps by 30%, shortening fulfillment cycles by 20%, and minimizing inventory/shipment errors.

Customized Solutions & After-Sales Support

Tailored to the distinct demands of industries like petrochemicals, new energy, and metallurgy, WYE provides personalized industrial fluid control solutions—covering pre-project demand assessment, customized valve design (matching specific working conditions like pressure or medium type), and on-site technical consultation to align with clients’ operational scenarios. Additionally, we offer comprehensive after-sales support: including on-site installation guidance, regular equipment maintenance inspections, and 24/7 responsive fault troubleshooting, which ensures the stable operation of clients’ systems and strengthens long-term cooperative partnerships.

Our Services

Our company is a one-stop solution for all valve-related needs, offering customization to tailor valves to unique specifications, professional installation & commissioning for seamless integration and optimal performance, maintenance & repair to keep valves in top condition and extend their lifespan, and technical support & consultation for expert advice on selection, optimization, and troubleshooting throughout every project stage.

Valve Customization Service

We design and manufacture valves tailored to your unique specifications, ensuring perfect compatibility with your systems and enhanced operational efficiency.

Valve Installation & Commissioning

Our expert team provides professional installation and commissioning services, guaranteeing seamless integration and optimal performance of your valves from day one.

Valve Maintenance & Repair

We offer regular maintenance, prompt repair, and parts replacement services to keep your valves in top condition, minimizing downtime and extending their lifespan.

Technical Support & Consultation

Get expert advice on valve selection, system optimization, and troubleshooting. Our technical team is available to guide you through every stage of your valve-related projects.

PRODUCT PICTURE

EXHIBITION

PRODUCTION WORKSHOP

CERTIFICATIONS

CE-ROHS

ISO9001

ISO 15484

ISO 45001

API 607

COOPERATIVE PARTNER

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Valve Solutions That Transform Your Operations

Our valves offer superior durability, precise control, and tailored solutions for your industrial, commercial, or residential needs. Don’t miss the opportunity to get reliable valve products and expert support.

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COMPANY LOCATION

  • +86 13524535400
  • Building 1, No. 5601, Yanqian Highway, Fengxian District, Shanghai
  • Mon-Sun 9:00AM - 10:00PM

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  • Addr: Building 1, No. 5601, Yanqian Highway, Fengxian District, Shanghai
  • Mail.: siqinyu486@gmail.com
  • WhatsApp：Tel: +86 13524535400,+86 17768026551
  • Tel: +86 13524535400,+86 17768026551
  • QQ：114751332
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