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Product video

YOD OEM Pipe Couplings Plumbing Female Thread Non-Return Spring DN25 1/2'' 3/4''Inch NPT BSP Stainless Steel 304 316 Check Valve

Available for enquiry 0.0 · 0 reviews
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$ 30.00 30.0 USD $ 30.00

Not Available For Sale

Minimum order quantity: 100 Units
  • Port Size
  • Media
  • Temperature of media
  • Sealing Material
  • Structure
  • Application
  • Warranty
  • Customized support
  • Power
  • Model number (Specification)
  • Place of origin
  • Feature
  • Available size
  • Available thread
  • Available material
  • Available type
  • Connect
  • Color
  • Selling Units
  • Single package size
  • Single gross weight
  • Material (Product option)
  • Pressure (Product option)
  • Size (Product option)

This combination is unavailable.

Key attributes

View all
Port Size
1/2"-4"
Media
Water
Temperature of media
Medium Temperature, Normal Temperature, Low Temperature, High Temperature
Sealing Material
PTFE
Structure
Check
Application
General, test equipment, gauge calibration and gas distribution
Product description

Highlights at a glance

  • Constructed from premium Stainless Steel 304 and 316, this check valve delivers exceptional resistance to corrosion, rust, and chemical attack for long-term industrial reliability.
  • The precision vertical spring-loaded design ensures instant non-return action, effectively preventing backflow and protecting pumps from damaging reverse surges in vertical piping systems.
  • Featuring a low cracking pressure mechanism, this spring check valve initiates flow at minimal PSI, optimizing energy efficiency and reducing pump load in water and air applications.
  • Engineered with soft seal(PTFE) or metal-to-metal options, the lift check valve provides zero-leak performance suitable for clean water, oil, gas, and steam media.
  • Available with global threaded connections including NPT, BSP, BSPP, and BSPT, this screw end valve ensures seamless integration into diverse international pipeline networks.
  • Rated for 1000 WOG working pressure, the high-pressure check valve maintains structural integrity and sealing safety under rigorous hydraulic and pneumatic conditions.
  • The compact inline vertical structure minimizes installation space requirements while eliminating water hammer noise for silent operation in residential and commercial systems.
  • Versatile across sizes from DN15(1/2") to DN100(4"), this one-way valve serves critical roles in irrigation, well pumps, boilers, and chemical processing lines.
  • Manufactured via precision CNC machining and investment casting, every SS304/SS316 non-return valve undergoes strict quality testing to guarantee dimensional accuracy and leak-free performance.
  • Ideal for backflow prevention in potable water systems, this vertical check valve meets stringent safety standards for hygiene and fluid control in municipal and industrial setups.
  • Compatible with oil, water, gas, and steam media, this universal stainless steel valve offers a cost-effective solution for multi-industry fluid management needs.
    • Frequently asked questions

    The choice depends on your fluid environment. Our SS304 check valves offer excellent corrosion resistance for general applications involving fresh water, air, oil, and mild chemicals.However, if your system handles seawater, chlorides, acidic solutions, or high-salinity environments, we strongly recommend the SS316 model. The added Molybdenum in 316 stainless steel provides superior protection against pitting and crevice corrosion, making it the industry standard for marine, petrochemical

    Our standard models often feature a metal-to-metal seat suitable for high-temperature steam and hot water up to 180°C (356°F), ensuring durability under thermal cycling. For applications requiring zero-leak tightness with cooler media like potable water or sensitive chemicals, we provide options with PTFE seats. This soft seal design enhances the backflow prevention capability, making it ideal for sanitary systems where even minor dripping is unacceptable.

    Our vertical spring check valves feature 0.5-1.0 PSI cracking pressure for easy low-pressure flow. Optimized for vertical use, the spring-loaded mechanism also works effectively in horizontal pipelines. This design prevents water hammer and ensures reliable non-return performance in any orientation. Simply align the flow arrow with media direction for safe, versatile one-way control in pumps and hydraulic systems.
    Description images
    Product detail
    Packaging and fulfilment
    • Step 1

      Payment and order readiness

      Minimum order: 100 Units

      Payment terms, specifications, and order details are confirmed before preparation begins.

    • Step 2

      Preparation

      5 days

    • Step 3

      Packaging and dispatch

      Ocean + Truck via Maersk · Approx. shipping fee: $ 138.00 for 100 pieces · Transit time: Est. 19-26 days

      Final packing, freight, and delivery dates are confirmed before dispatch.

    Technical specifications
    Other details 24 fields
    Port Size
    1/2"-4"
    Media
    Water
    Temperature of media
    Medium Temperature, Normal Temperature, Low Temperature, High Temperature
    Sealing Material
    PTFE
    Structure
    Check
    Application
    General, test equipment, gauge calibration and gas distribution
    Warranty
    5 Years
    Customized support
    OEM, ODM, OBM, Software Reengineering
    Power
    Hydraulic
    Model number (Specification)
    SSV-C15,SSV-C20,SSV-C25
    Place of origin
    Zhejiang, China
    Feature
    Anti-kink, leakproof, lead free, protector, quickconnect
    Available size
    1/2 inch 3/4 inch
    Available thread
    3/4 inch BSP, 1/2 inch NPT thread
    Available material
    SS 304/304L/316/316L and other metal
    Available type
    BALL VALVES, Metal Check Valves
    Connect
    Threaded Connection
    Color
    Sliver
    Selling Units
    Single item
    Single package size
    15X20X20 cm
    Single gross weight
    3.0 kg
    Material (Product option)
    Stainless Steel, Brass, Casting
    Pressure (Product option)
    High Pressure, Low Pressure, Medium Pressure
    Size (Product option)
    1/2 in, 3/4 in, 1 in, 1 1/4 in, 1 1/2 in, 2 in
    Lead time
    5 days
    Minimum order
    100 Units

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