Copper Pipe



Types of Copper Pipe


Type

Wall Thickness

Flexibility

Mark

K

thin-walled

hard and soft

Green

L

medium-walled

hard and soft

Blue

M

thick-walled

hard

Red

DWV


hard

Yellow


Consult Table 7.2.7.4.


7.2.7.1.(1) Copper Pipe

Copper pipe shall conform to ASTM B42, "Seamless Copper Pipe, Standard Sizes".


7.2.7.4. Copper Tube

  1. Copper tube in a plumbing system shall
  1. be certified to ASTM B88, "Seamless Copper Water Tube"
  2. comply with ASMT B306, Copper Drainage Tube (DWV)".


  1. The use of copper tube shall conform to Table 7.2.7.4. (check your Code Book).
  2. Copper tube in a plumbing appliance shall conform to


  1. ASMT B88, "seamless Copper Water Tube",
  2. ASMT B68, "Seamless Copper Tube".


7.3.3.11.(1) Types M and DWV copper tube shall not be bent.

7.3.3.11.(3) Bends in copper tubing of soft or bending temper shall be made with tools manufactured and sized for the purpose.

7.3.2.5.(1) In making a flared joint the pipe shall be expanded with a proper flaring tool.

7.3.2.5.(2) Flared joints shall not be used for hard (drawn) copper tube.

7.3.3.1.(2) A water distributing pipe may be drilled or tapped to provide for a mechanically extracted T in copper tubing of Type L or K provided that all branch connection shall be notched and dimpled to limit depth of insertion and conform to the inner contour of the main.

7.3.3.1.(3) A copper water distributing pipe of 1" size and larger may be mechanically swaged to permit the joining of other copper pipe of equal size.

7.3.4.5.(g) copper tube and copper and brass pipe is supported at intervals not exceeding

  1. 3 m if the tube or pipe is hard temper and larger than 1" size,
  2. 2 500 mm if the tube or pipe is hard temper and 1" size or less
  3. 2 500 mm if the tube is soft temper.


7.2.7.5. Solder-Joint Drainage Fittings

  1. Solder-joint fittings for drainage systems shall conform to
  1. CSA B158.1...
  2. ANSI B16.29...
  1. Solder-joint fittings for drainage systems shall not be used in a water system


7.2.7.6. Solder-Joint Water Fittings

  1. Except as provided in Sentence (2), solder-joint fittings for water systems shall conform to
  1. ANSI B16.18...
  2. ANSI B16.22...
  1. Solder-joint fittings for water systems not made by casting or the wrought process shall conform to the applicable requirements of ANSI N16.18...


7.2.7.7.(1) Flared-joint fittings for copper tube water systems shall conform to ANSI B16.26...

7.2.7.7.(2) Flared-joint fittings for copper tube water systems not made by casting shall conform to the applicable requirements of ANSI B16.26...


7.3.2.4. Solder Joints

  1. In making a soldered jointthe surface to be soldered shall be cleaned bright and the joint shall be properly fluxed, made with solder and thoroughly cleaned of all residue