Copper-steel Lokring Fittings For Metal Tube Connecting

Supply Copper-steel Lokring Fittings For Metal Tube Connecting,exported by China manufacturer.Connect copper and/or steel tubes with equal or identical tube outer diameters,works with lokring assembly tool.


  • 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 fittings 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 .

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

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