Copper-steel Lokring Fittings For Metal Tube Connecting

5.00 out of 5
(9 customer reviews)


Supply Copper-steel Lokring Fittings For Metal Tube Connecting,exported by China manufacturer.Connect copper and/or steel tubes with fire-free welding technology,works with lokring assembly tool.Usually used in the field of air conditioning,refrigeration and other HVAC system.Compatible with Vulkan Lokring system.


  • Made of copper and aluminium together;
  • Apply for connection between pipes with material copper and copper,copper and steel,or steel and steel
  • Available fittings with equal diamater or different diameter (Reducer)
  • Place of Origin: China
  • Sell to worldwide, Ship by air plane or by sea boat;

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Models and Details for “Copper-steel Lokring Fittings For Metal Tube Connecting”

The Vulkan Lokring Fitting are designed and developed especially for air conditioner system`s installation,repairing or maintenance with non-welding method,including works for VRF system. Usually,you can connect the copper pipes or copper branches by using this kind of fittings.It

The technology of solderless can completely instead of traditional hight temperature fire welding ,it let your work become more efficient ,operation of pipe connection becomes easier and more safe,especially it can stand more pressure.

This lokring ring has pressure parameters as following:
Bursting pressure : 20-30MPA
Working presssure:5MPA

According to the usage, it can be divided into equal-diameter compound lokring ring and variable-diameter compound lokring ring. The equal-diameter compound ring is mainly used to connect two copper pipes with the same diameter, and the variable-diameter compound ring is mainly used to connect copper pipes with different diameters.

Equal-diameter copper-steel compound lokring ring

Fitting codeFor pipe(inch)For pipe(Meter)


Variable-diameter copper-steel compound lokring ring (Reducer)

Fitting codeInch sizeMeter size
SCVL-08115/16″ to 1/4″8mm-6.35mm
SCVL-09113/8″ to 1/4″9.52mm-6.35mm
SCVL-09123/8″ to 5/16″9.52mm-7.92mm
SCVL-12111/2″ to 3/8″12.7mm-9.52mm
SCVL-15115/8″ to 1/2″15.87mm-12.7mm
SCVL-19113/4″ to 5/8″19.05mm-15.87mm
SCVL-22117/8″ to 3/4″22.22mm-19.05mm
SCVL-25111″ to 7/8″25.4mm-22.22mm
SCVL-28111-1/8″ to 1″28.57mm-25.4mm
SCVL-31111-1/4″ to 1-1/8″31.75mm-28.57mm
SCVL-35111-3/8″ to 1-1/4″34.92mm-31.75mm
SCVL-38111-1/2″ to 1-3/8″38.10mm-34.92mm
SCVL-41111-5/8″ to 1-1/2″41.27mm-38.10mm
SCVL-44111-3/4″ to 1-5/8″31.75mm-41.27mm


How to purchase “Copper-steel Lokring Fittings For Metal Tube Connecting”

  • The fittings are available for retail and wholesale;
  • The place of origin is in China,when you buy one or two,please consider freight(by air or by sea) into the cost;
  • Accept bulk order with Container delivery;
  • Please contact us online (click here) Or send inquiry message to our email: or

General knowledge for “Copper-steel Lokring fittings”

The copper-steel Lokring fittings are designed for easy and secure metal tube connecting without soldering. They provide a new way of leak-free, making them ideal for a wide range of applications. These fittings can be installed quickly and easily just only with cold-pressed tools. The copper-steel construction makes them highly durable and resistant to corrosion, ensuring long-lasting performance even in harsh environments. Suitable for use in a variety of industries, including HVAC, refrigeration, and industrial piping, these fittings offer a reliable and cost-effective solution for your tube connecting needs.

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Reviewed by 09 customer(s)


    All tool ring kit fitted

  • Mustufa

    Lokring tuls received

  • John

    Require Lockring for copper pipe 2 1 8 inch qty 20 pcs , 1 1 8 qty 20 pcs , pls send quotation

  • bab al fatah trading

    plz i need one pcs complete set for refrigerator

  • Matthew Raynard

    Cost for the weld free refrigerant pipe connection

  • Paul Armitage

    Required info on lokring fittings and tools for hvac

  • Ankush Saykhedkar

    I want this product please share me more information for buying this item.

  • Muhammad Abdulsalam

    FRK Pressing Handle 2pcs
    Liquid Glue 2pcs

    SCVL 0618 1 4″ 6.35mm 20pcs
    SCVL 0818 5 16″ 8mm 20pcs
    SCVL 0918 3 8″ 9.53mm 20pcs
    SCVL 1218 1 2″ 12.7mm 20pcs

    SCVL 0811 5 16″ to 1 4″ 8mm 6.35mm 20pcs
    SCVL 0911 3 8″ to 1 4″ 9.52mm 6.35mm 20pcs
    SCVL 0912 3 8″ to 5 16″ 9.52mm 7.92mm 20pcs
    SCVL 1211 1 2″ to 3 8″ 12.7mm 9.52mm 20pcs

    please send quotation.

    specially use for copper to aluminum pipe in refrigerant evaporator place use..

  • Nelson Escobar

    Copper-steel Lokring Fittings For Metal Tube Connecting interesting to buy


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