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Ductile Iron Dual Plate Check Valve Wafer Connection PN1.6MPa CCS Approved DN50-DN600

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Product Spotlights

CCS approved dual plate check valve with ductile iron body, wafer connection, PN1.6MPa. Non-slam spring closure, low pressure drop, DN50-DN600. ISO9001 factory, competitive pricing, fast delivery from Shanghai. Ideal for marine, industrial backflow prevention.
Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Ductile Iron (ASTM A536 or equivalent)
Structure:
Other, Dual Plate (wafer type, short face-to-face)
Connection Type:
Wafer (between flanges)
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Shanghai Zhibang Valve Manufacture Co.,ltd
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1Yr
Verified Business License
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Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.

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Material Other, Ductile Iron (ASTM A536 or equivalent)
Structure Other, Dual Plate (wafer type, short face-to-face)
Connection Type Wafer (between flanges)
Pressure Rating PN1.6MPa (Class 150 equivalent)
Size Range DN50 – DN600 (2“ – 24“)
Certification CCS (China Classification Society) Approved
Applicable Medium Water, oil, gas, and other non-aggressive fluids
Operating Temperature -20°C to +120°C (standard, customizable upon request)
Seat Material NBR / EPDM / Viton (optional)
Design Standard API 594 / EN 593 / ISO 5752 (compliant)

Shanghai Zhibang Valve Manufacture Co., Ltd. is a professional manufacturer founded in 2016, specializing in high-quality industrial valves. Our Ductile Iron Dual Plate Check Valve Wafer Connection PN1.6MPa is designed to deliver reliable backflow prevention in piping systems. With a compact wafer body and dual-plate closure mechanism, this check valve offers low pressure drop, fast response, and exceptional durability. Certified with CCS (China Classification Society) approval, it is ideal for marine, offshore, and industrial applications where safety and performance are critical.

Key Features & Benefits

  • Dual-Plate Design: Lightweight, short face-to-face dimensions reduce installation space and minimize stress on piping.
  • Ductile Iron Body: High tensile strength and corrosion resistance ensure long service life even in demanding environments.
  • Wafer Connection: Easy to install between flanges without special tools, reducing maintenance costs.
  • CCS Approved: Meets the rigorous standards of China Classification Society for marine and offshore use.
  • Non-Slam Closure: Spring-assisted plates close quickly without water hammer, protecting system integrity.
  • Low Pressure Drop: Streamlined flow path minimizes energy loss, improving system efficiency.
  • Wide Size Range: DN50 to DN600 (2" to 24") accommodates various pipeline dimensions.
  • Versatile Seat Materials: NBR, EPDM, or Viton available to match different media and temperature requirements.

Technical Specifications

Parameter Value
Body Material Ductile Iron (ASTM A536)
Disc Material Ductile Iron / Stainless Steel (optional)
Seat Material NBR / EPDM / Viton
Nominal Pressure PN1.6MPa (Class 150)
Nominal Diameter DN50 – DN600 (2" – 24")
Connection Wafer (between flanges per EN 1092 / ASME B16.5)
Operating Temperature -20°C to +120°C (higher on request)
Certification CCS Approved, ISO9001:2015 (company)
Applicable Standards API 594, EN 593, ISO 5752

Product Advantages

  • Enhanced Safety: Spring-assisted closure prevents reverse flow instantly, reducing risk of backflow contamination.
  • Space Saving: The wafer design requires only 25% the face-to-face length of traditional swing check valves.
  • Easy Maintenance: All internal parts can be accessed without removing the valve from the pipeline.
  • Custom Options: Available with locking device, extended bonnet, or special coatings for corrosive environments.
  • Global Compatibility: Designed to fit standard flanges (PN10/16, Class 150) used worldwide.

Trust & Reliability

Shanghai Zhibang Valve Manufacture Co., Ltd. has been a dedicated valve manufacturer since 2016. Our annual export value exceeds US$1 Million, reaching markets across North America, South America, Europe, Africa, Oceania, and Asia. Every valve is produced under an ISO9001:2015 quality management system, ensuring consistent performance. With CCS certification, this check valve is trusted by shipyards and engineering contractors for critical marine systems. We offer competitive pricing, prompt delivery from Shanghai port, and responsive after-sales support. Contact us today to request a quote or discuss your specific requirements.

Frequently Asked Questions (FAQ)

  1. Q: Can this valve be installed vertically?
    A: Yes, the dual plate check valve can be installed in both horizontal and vertical pipelines (upward flow), thanks to the spring-assisted closure.
  2. Q: What is the difference between a dual plate check valve and a swing check valve?
    A: Dual plate check valves have a shorter face-to-face length, lighter weight, and lower pressure drop, making them ideal for compact systems. Swing check valves are bulkier and may cause water hammer.
  3. Q: Is the CCS certificate provided for each valve size?
    A: Yes, the CCS type approval covers the entire range DN50-DN600. Individual valves can be supplied with traceable certificates upon request.
  4. Q: What seat materials are available?
    A: Standard seat material is NBR for oil/water, EPDM for hot water/steam, and Viton for aggressive chemicals. Custom materials can be provided.
  5. Q: What is the maximum working pressure?
    A: The rated pressure is PN1.6MPa (16 bar) at ambient temperature. For higher pressures, please consult our engineering team.
  6. Q: Do you offer spare parts?
    A: Yes, we provide complete spare part kits (seals, springs, discs) for easy field replacement.
  7. Q: How long is the warranty?
    A: Our standard warranty is 12 months from installation or 18 months from shipment, whichever is earlier. Extended warranty options are available.
  8. Q: Can I get samples for testing?
    A: Yes, we offer samples for qualified buyers. Please contact our sales team for details.
Product Tags: Ductile Iron Dual Plate Check Valve , Wafer Check Valve PN1.6MPa , CCS Approved Check Valve DN50-DN600

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Shanghai Zhibang Valve Manufacture Co.,ltd
Gold Verified Supplier
1Yr
Verified Business License
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
Contact Supplier Request Quote Chat Now

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