DWV Pipe

Why Choose Us

01/

Professional Certifications
We have obtained certifications for ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, and ISO 18001:2017 Occupational Health and Safety Management System, fully demonstrating our high standards in quality management, environmental protection, and employee health and safety.

02/

Production Equipment
We have introduced internationally advanced pipe and fitting production lines equipped with a variety of auxiliary equipment. Currently, we have over 40 advanced production lines and more than 20 sets of testing equipment to ensure efficient manufacturing processes and consistent quality.

03/

Production Capacity
With an area exceeding 40,000 square meters, our annual production capacity for various product lines has reached over 200,000 tons, enabling us to continuously supply large-scale orders.

04/

Sales Market
Our products have been widely used in numerous key domestic projects and successfully exported to over 60 countries and regions worldwide, achieving broad market coverage along with high customer recognition.

Specification

Item NO.	Index		Parameter
1	Ring Stiffness/(kN/m²)	SN8	≥8
		SN10	≥10
		SN12.5	≥12.5
2	Dart Drop Impact Test(TIR/%)		≤10
3	Peel Strength ( 2 3 ℃ ± 2 ℃ )(N/cm)		≥100
4	Ring Compliance		No Rupture, The two walls are attached
5	Oven Test		No Rupture, The two walls are attached
6	Tensile Strength of Tube Laminated Wall/N	300≤DN/ID≤500	≥600
		600≤DN/ID≤800	≥840
		900≤DN/ID≤1200	≥1020
7	Creep Ratio		≤2

Benefits Of DWV Pipe

Durability:

One of the primary advantages of DWV pipe is its durability. These pipes are resistant to corrosion and chemicals, making them ideal for long-term use in diverse environments.

Lightweight and Easy to Handle:

Compared to traditional materials like cast iron, DWV pipe is significantly lighter, making transportation and installation more manageable. This characteristic reduces labor costs and installation time, providing added efficiency for plumbing professionals.

Cost-Effectiveness:

The longevity and durability of DWV pipe translate into lower maintenance costs over time. Additionally, the ease of installation helps minimize initial labor expenses, making it a cost-effective solution for various plumbing projects.

DWV Pipe Size

Item NO.	Nominal Diameter DN/ID(mm)	Minimum Average Internal Diameter dim.mir(mm)	Minimum Internal Wall Thickness e1.min(mm)	Minimum laminate wall thickness emin(mm)	Maximum pitch Pmax(mm)	Minimum strip thickness tmin(mm)
1	300	294	2.5	4.0	75	0.4
2	400	392	3.0	4.5	85	0.4
3	500	490	3.5	5.0	100	0.5
4	600	588	4.0	6.0	110	0.5
5	700	685	4.0	6.0	115	0.5
6	800	785	4.5	7.5	120	0.7
7	1000	985	5.0	8.0	150	0.7
8	1200	1185	5.0	8.0	180	0.7
9	2000	1985	6.0	9.0	235	1.0

Applications of DWV Pipe

Residential Use:

In residential settings, DWV pipe is commonly used in bathrooms, kitchens, and laundry rooms to transport wastewater away from fixtures. By utilizing DWV pipe, homeowners can ensure that their plumbing systems operate smoothly, providing peace of mind and comfort.

Commercial Applications:

For commercial buildings, the need for effective drainage and ventilation is even more critical. DWV pipe is widely used in commercial plumbing systems, including restaurants, office buildings, and industrial facilities. Its ability to handle large volumes of wastewater and vent gases efficiently makes it an ideal choice for these applications.

Ventilation Systems:

In addition to drainage, DWV pipe plays a vital role in venting gases produced during wastewater disposal. Proper ventilation is essential to prevent the buildup of harmful gases, ensuring a safe environment for occupants. By incorporating DWV pipe into ventilation systems, builders can enhance the overall safety and functionality of their plumbing.

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Installation Techniques for DWV Pipe

01.

Follow Local Codes:

Always consult and adhere to local plumbing codes and regulations when installing DWV pipe. This ensures compliance and helps avoid potential legal issues.

02.

Proper Slope:

When installing horizontal DWV pipes, maintain a slope of 1/4 inch per foot to facilitate effective drainage. This slope allows wastewater to flow smoothly towards the drainage system.

03.

Secure Connections:

Use appropriate fittings and adhesives to ensure secure connections between pipes. This helps prevent leaks and maintains the integrity of the drainage system.

04.

Ventilation:

Ensure that the DWV pipe system includes adequate venting. Proper ventilation helps maintain atmospheric pressure within the drainage system, preventing siphoning and ensuring efficient waste removal.

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Our Services

● Pre-Sale Service
Provide detailed introductions of our products, assist customers in selecting appropriate options, and recommend products that best meet their needs.

● In-Sale Service
Deliver high-quality products with efficient shipping processes while keeping customers informed throughout all stages of production.

●After-Sale Service
Ensure prompt responses to any inquiries or issues that may arise.

Order Process

Contact Customer Service

Submit Order

Obtain a Quote

Confirm Order

Arrange Payment

Track Order

Receive and Inspect Goods

Packaging and Shipping

Packaging	Frame fixation
Transportation methods	Road transport, rail transport, sea transport

FAQ

Q: Can you use DWV pipe for stormwater?

A: Both can be used as they are interchangeable. DWV is stronger than a stormwater pipe and their 90 degree elbows are considered to be more efficient.

Q: Can you mix DWV and PVC?

A: DWV parts are made with the same threading (NPT) and are made to the same size as standard PVC fittings. Since this is the case, DWV and schedule 40 and 80 pipe and fittings will fit together, but it isn't recommended that they be used together.

Q: Can DWV pipe be used for drinking water?

A: No, DWV pipe (Drain, Waste, and Vent) cannot be used for drinking water because it is not rated for potable (drinking) water, is often a thinner wall for non-pressurized systems, and may contain chemicals that could leach into the water supply.

Q: Can DWV pipe be used for pressure?

A: No, DWV (Drain, Waste, Vent) pipe should not be used for pressure applications; its thinner walls are designed for gravity-fed systems, not pressurized flow. .

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