PLUMBING

Since before the dawn of history – when primitive man first discovered copper – the red metal has constantly server the advancement of civilization.

     Archeologists, probing ancient ruins, had discovered that this enduring metal was a great boon to many people. Tools for handicraft and agriculture, weapons for hunting, and articles for decorative and household uses were made from wrought copper by early civilizations.

     Modern man, recognizing that no material is superior to copper for conveying water, has reestablished it as the prime material for such purposes.

       For plumbing purpose, there are four classes of copper tubes. These include types K, L, M and DWV. All tubes supplied to these ASTM standards are a minimum of 99.90 percent pure copper.

     These classes and types of tubes are commercially available in the tempers and lengths described in the Plumbing tube product range chart. Types K, L, M and DWV are designated by ASTM standard size, with outside diameter always 1/8" larger than the standard size. Each type (K, L, M and DWV) represents a series of sizes with different wall thickness. The inside diameter depends on tube size and wall-thicknesses.

     All four types are available in drawn temper straight lengths 20 feet long. Type K, L and M are available also in annealed temper in 8 feet straight lengths or in long coils in sizes from 1/4 inch to 7/8 inch.

       We in India, manufacture plumbing tubes to meet specifications established by the American Society for Testing and Materials (ASTM).  

TYPE, STANDARD, APPLICATIONS, TEMPERS & LENGTH

Tube Type

Color code

Standard

Application

Commercially Available Lengths

Nominal or Standard Sizes

Drawn

Annealed

Type K

Green

ASTM B 88

Domestic Water Service and Distribution, Solar, Fuel/Fuel Oil, HVAC, Snow Melting

STRAIGHT LENGTHS:

¼ inch to 4 inch

20 feet

8 feet

 

COILS:

¼ inch to 7/8 inch

----

50 feet

  Type L

  Blue

ASTM B 88

Domestic Water Service and Distribution, Solar, Fuel/Fuel Oil, Natural Gas, Liquefied, Petroleum (LP) Gas, HVCA, Snow Melting.

STRAIGHT LENGTHS:

¼ to 6 inch

20 feet

8 feet

 

COILS:

 ¼ inch to 7/8 inch

----

50 feet

Type M

Red

ASTM B 88

Domestic Water Service and Distribution, Solar, Fuel/Fuel Oil, HVAC, Snow Melting

STRAIGHT LENGTHS:

3/8 inch to 4 inch

20 feet

8 feet

  DWV

  Yellow

ASTM B 306

Drain, Waste, Vent, HVAC, Solar.

STRAIGHT LENGTHS:

  ¼ inch to 4 inch

  20 feet

  N/A

  RATED INTERNAL WORKING PRESSURE FOR COPPER TUBES.

SIZE NOM OD Inches Type K Type L Type M DWV
Annealed Drawn Annealed Drawn Annealed Drawn Annealed Drawn

1/4

855

1595

720

1350

--

--

--

--

3/8

935

1745

635

1195

450

840

--

--

1/2

735

1375

590

1105

410

760

--

--

5/8

610

1135

515

965

--

--

--

--

3/4

705

1315

470

875

325

610

--

--

1

545

1010

410

770

275

515

--

--

11/4

440

820

365

680

275

515

260

470

11/2

410

765

340

630

275

510

235

420

2

355

665

300

555

240

450

175

315

2.1/2

330

520

275

520

220

410

--

--

3

320

605

260

490

210

385

125

230

3.1/2

305

570

255

470

210

385

--

--

4

300

555

240

450

205

380

120

220

MANDEV COPPER TUBE - SPECIFICATIONS

Nominal Size
Type K Wall
Type L Wall
Type M Wall
Type DWV Wall
Pieces per Bundle
1/4
.035
.030
-
-
25
3/8
.049
.035
.025
-
25
1/2
.049
.040
.028
-
25
5/8
.049
.042
-
-
10
3/4
.065
.045
.032
-
10
1
.065
.050
.042
.040
5
1 1/4
.065
.055
.042
.040
5
1 1/2
.072
.060
.048
.042
5
2
.083
.070
.058
.042
3
2 1/2
.095
.080
.065
-
1
3
.109
.090
.072
.045
1
3 1/2
-
.100
-
-
1
4
.134
.110
.095
.058
1

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