Manufacturer, Supplier & Exporter of Type DWV Copper Pipe (Drainage, Waste & Vent systems)

Type DWV Copper Pipe (Drainage, Waste & Vent systems) is a specialized copper piping solution designed for non-pressure plumbing applications such as sanitary drainage, waste removal, and venting systems in buildings. Manufactured and supplied by Riddhi Siddhi Impex, this pipe type is essential in modern plumbing infrastructure due to its excellent corrosion resistance, ease of installation, and long service life. It is primarily used where water flow is gravity-driven rather than pressure-based, making it ideal for bathroom and kitchen drainage, stack vents, and other similar applications..

Riddhi Siddhi Impex is a leading domestic supplier of Type DWV Copper Pipes in India, catering to both residential and commercial building projects. These pipes are produced in compliance with international standards like ASTM B306, ensuring durability and high performance. Type DWV pipes are thinner than Types K, L, and M, and are not meant for pressurized water systems, which makes them cost-effective for low-stress environments.

In major metropolitan cities such as Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, and Kolkata, Riddhi Siddhi Impex supports large-scale plumbing infrastructure projects by providing consistent quality DWV copper piping. These cities often require efficient drainage and waste systems in high-rise buildings, housing complexes, hospitals, and commercial towers—projects that benefit greatly from the use of DWV copper pipes due to their longevity and reliability.

Additionally, cities like Pune, Ahmedabad, Surat, Vadodara, and Rajkot are witnessing rapid urbanization and infrastructure growth, increasing the demand for efficient drainage and vent systems. Riddhi Siddhi Impex provides timely and bulk supply of Type DWV Copper Pipes to meet the needs of real estate developers, plumbing contractors, and infrastructure companies in these fast-developing regions.

In northern and central Indian cities such as Nagpur, Indore, Bhopal, Jaipur, Kanpur, and Lucknow, municipal and private construction projects increasingly adopt Type DWV copper pipes for sanitary and waste plumbing. Riddhi Siddhi Impex plays a vital role in supplying these materials to local distributors and project sites, helping maintain hygienic and reliable drainage systems in homes, offices, schools, and public facilities.

Type DWV Copper Pipe (Drainage, Waste & Vent Systems)

Specification

Property	Details
Material	Copper (Cu-DHP, C12200)
Wall Thickness	Thin Wall (Non-pressure use)
Standard	ASTM B306
Application	Drainage, Waste, Ventilation (non-pressure)
Form	Seamless Tubes
Length	3m, 6m or Custom

Chemical Composition

Element	Percentage (%)
Copper (Cu)	≥ 99.90%
Phosphorus (P)	0.015% – 0.040%
Oxygen (O)	≤ 0.04%

Mechanical Properties

Property	Value
Tensile Strength	≥ 245 MPa
Yield Strength	≥ 60 MPa
Elongation	≥ 30%
Hardness (HRB)	≤ 60
Thermal Conductivity	≥ 385 W/m·K

Dimension Chart (Typical Sizes)

Nominal Size (inch)	Outer Diameter (mm)	Wall Thickness (mm)	Approx. Weight (kg/m)
1 1/4"	35	0.80	0.52
1 1/2"	41.28	0.80	0.62
2"	54	0.80	0.84
3"	76.2	0.89	1.45
4"	101.6	1.02	2.35

Equivalent Grades

Standard	Grade
UNS	C12200
EN	CW024A
JIS	C1220T

Equivalent Standards

Region	Standard
USA	ASTM B306
India	IS 2501 (reference)
Europe	EN 1057 (for similar copper pipes)
Japan	JIS H3300

Other Types of Copper Pipes

Type	Wall Thickness	Application
Type K	Thickest	Underground, High-Pressure
Type L	Medium	Residential & Commercial Plumbing
Type M	Thin	Low-Pressure Plumbing
Type DWV	Thinnest	Drainage, Waste & Vent

Southern Indian cities like Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mysuru, and Mangalore also benefit from the use of DWV copper pipes, especially in areas with high humidity and coastal exposure. The natural corrosion resistance of copper ensures that the pipes last for decades without the need for replacements or chemical treatments, making them ideal for the long-term sustainability of buildings in such regions.

Frequently Asked Questions (FAQs)

Q1: Where is Type DWV Copper Pipe used?

A: It is used for non-pressurized systems such as sanitary drainage, waste disposal, and venting in residential and commercial buildings.

Q2: Can DWV copper pipe be used for water supply?

A: No, DWV pipes are not designed to handle pressurized water and are only suitable for gravity-fed systems.

Q3: What makes DWV pipes cost-effective?

A: Their thinner walls reduce material use and weight, which makes them more economical for drainage systems compared to pressure-rated pipes.

Q4: Does Riddhi Siddhi Impex supply DWV pipes nationwide?

A: Yes, we supply DWV Copper Pipes across India including Mumbai, Delhi, Chennai, Ahmedabad, Coimbatore, Kochi, Rajkot, Varanasi, and many more cities.