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Hebei Metals Industrial Limited

China Manufacturer with main products: Flange, Valve, Pipe, Pipe Fittings, Elbow, Tee, Reducer

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Grooved Coupling

FOB Price: 1.00 - 15.00 USD/Unit
Supply Ability: 10,000 Unit/Units per Month
Shipping: the delivery will be within 30 days
Payment Terms: L/C, T/T
In Stock

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Export Markets: North America, Africa, Mid East, Eastern Asia
Place of Origin: Hebei in China
Packaging Details: Wooden Cases, wooden or steel pallet plastic bag or as per customers requirement.

Quick Details

  • Brand Name: M
  • Model Number: Pressure Ratings: 300psi / 2.07Mpa, 500psi / 3.45Mpa, 750psi / 5.18Mpa



1. KRJ Coupling

    Rolling groove becomes much more difficult when the pipe diameter is above 8" (219mm).

    And it becomes very hard to withstand higer pressure when the piping system requires a thickness that is above

    10mm therefore will be unavailable to roll grooves by grooving machine. In the plant site, cutting groove won't be

    adopted. In order to solve this problem, the KRJ coupling as presented is used by welding the shoulder rings on

    the pipe end, then joint two pipes by this Shoulder Coupling.

2. Rigid Coupling (Light Duty & Moderate Duty & Heavy Duty)

    Rigid Couplings are relatively designed for light/moderate/heavy pressure piping system with good rigidity, and

    are widely used in fire protection, feed water and oil & gas projects.

3. Flexible Coupling (Light Duty & Moderate Duty & Heavy Duty)

    The flexible couplings are also relatively designed for pipe bearing light/moderate/heavy pressures. It allows

    controlled angle, linear and rotational movement at each joint provides the added advantages of expansion,

    constraction and deflection. This is useful to accommodate uneven laying surfaces, and movement from the 

    thermal changes, settings, seismic effect or other causes.

 4. Reducing Coupling

    Accoding to different situations, the reducing couplings provide a solution to piping connection where the two

    jointed pipe ends differ in outside diameters.

5. Pressure Ratings and Coating Types

    Pressure Ratings: 300psi / 2.07Mpa, 500psi / 3.45Mpa, 750psi / 5.18Mpa

    Surface Coating: Water based Paint, Epoxy Powder, Dacromat, Galvanized

Service Process

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  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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