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Pvc Pipe For Water Supply And Drainage

PVC pipe is a corrosion-resistant and pressure-resistant plastic pipe material widely used in construction, industry, agriculture and household fields. It can be used in tap water, drainage, agricultural irrigation, industrial and home decoration systems. Compared with metal pipes, PVC pipes are not prone to rust and are more convenient to install and repair.

(Polyvinyl chloride) PVC pipe is a plastic pipe material widely used in construction, industry, agriculture and household fields.

USE:

1. Water pipes in buildings: PVC pipes are often used in the water supply systems of buildings. It has good corrosion resistance and pressure resistance, can be used for long-term operation, and will not be corroded by chemicals in the water.

2. Drainage system: PVC pipes are also commonly used in building drainage systems. It moves wastewater away from buildings quickly and efficiently and is not attacked by the chemicals in the wastewater.

3. Agricultural irrigation system: PVC pipes are often used in the agricultural field as the main pipes of irrigation systems. It can not only transport water, but also withstand a certain water pressure to meet the irrigation needs of farmland.

4. Industrial applications: PVC pipes are widely used in various industrial applications, such as chemical substance transportation in chemical plants, wastewater treatment in industrial production processes, and discharge pipes in industrial mines.

5. Home decoration: PVC pipes can also be used in home decoration, such as water supply and drainage systems in bathrooms, kitchens, etc. Compared with metal pipes, PVC pipes are not prone to rust and are relatively easy to install and repair.

Ask questions

FREQUENTLY ASKED QUESTIONS

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What are the common specifications of PVC pipe drainage pipes?

The conventional specifications of commonly used PVC pipe drainage pipes are as follows: nominal outer diameters are: 32mm, 40mm, 50mm, 75mm, 90mm, 110mm, 125mm, 160mm, 180, 200mm, 250mm, 315mm, 400mm, 500mm, 630mm, etc. PVC-U The length of the pipe is generally 4m or 6m, and customization is supported

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How to solve the expansion and contraction problem of PVC drainage pipe?

The linear expansion coefficient of PVC drainage pipes is large, and expansion joints need to be installed during construction to solve the expansion and contraction problem. According to the calculation formula for the expansion and contraction of PVC-U drainage pipes caused by changes in ambient temperature:

△L=L·a·At

In the formula, △L-pipe expansion and contraction amount (m);

L-pipe length (mk)

a-Linear expansion coefficient, adopt 6×10-5～8X10-5-m/(m·℃);

△t-Temperature difference (℃)

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What is the main use of PVC drain pipe?

Collect and remove wastewater, rainwater and sewage generated within the building. In urban infrastructure, drain pipes are used to collect drainage from roads, bridges, and other buildings. Drain pipes can also be used to vent gases, such as smoke exhaust ducts in kitchens and bathrooms.

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What material is PVC drainage pipe made of?

PVC drainage pipe is a pipe material made of polyvinyl chloride resin as the main raw material. PVC pipes are easy to install, have a long service life and are simple to maintain, making them an ideal choice for modern building drainage systems.

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What are the advantages of PVC drain pipes?

1. The surface hardness and tensile strength of the pipe are excellent, and the pipeline safety factor is high.

2. PVC drainage pipes have good aging resistance and their normal service life can reach more than 50 years.

3. The pipeline has excellent corrosion resistance to inorganic acids, alkali and salts, and is suitable for industrial sewage discharge and transportation.

4. PVC drainage pipes have a small friction coefficient, smooth water flow, are not easy to block, and require less maintenance work.

5. PVC drainage pipe material has a high oxygen index and is self-extinguishing.

6. The linear expansion coefficient of the pipeline is small, 0.07mm/℃, and the deformation affected by temperature is small. The thermal conductivity and elastic modulus are small, and compared with cast iron drainage pipes, they have excellent freezing resistance.

7. Bonding can be used to connect pipes and pipe fittings. The construction method is simple, the operation is convenient, and the installation efficiency is high.

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SPECIFICATIONS

ISO 4422-2: Pipe made of unplasticized PVC-U for water supply - Specifications
Nominal outside diameters (DN) and nominal wall thickness en based on an overall service (design) coefficient of C = 2.5
Nominal Outside Diameter	U PVC Pipe Series S , SDR and PN Equivalents(DN≤90MM)
	S 20	S 16.7	S 16	S 12.5	S 10	S 8	S 6.3	S4
	SDR41	SDR34.4	SDR33	SDR26	SDR21	SDR17	SDR13.6	SDR9
DN	PN5	PN6	PN6.3	PN8	PN10	PN12.5	PN16	PN25
mm	Wall Thickness
10	-	-	-	-	-	-	-	1.5
12	-	-	-	-	-	-	-	1.5
16	-	-	-	-	-	-	1.5	1.8
20	-	-	-	-	-	-	1.5	2.3
25	-	-	-	-	-	1.5	1.9	2.8
32	-	-	-	-	1.6	1.9	2.4	3.6
40	-	-	1.5	1.6	1.9	2.4	3	4.5
50	-	-	1.6	2	2.4	3	3.7	5.6
63	1.6	1.9	2	2.5	3	3.8	4.7	7.1
75	1.9	2.2	2.3	2.9	3.6	4.5	5.6	8.4
90	2.2	2.7	2.8	3.5	4.3	5.4	6.7	10.1
Nominal outside diameters (DN) and nominal wall thickness en based on an overall service (design) coefficient of C = 2.0
Nominal Outside Diameter	U PVC Pipe Series S , SDR and PN Equivalents(DN>90MM)
	S 20	S 16	S 12.5	S 10	S 8	S 6.3	S 5
	SDR41	SDR33	SDR21	SDR21	SDR17	SDR13.6	SDR11
DN	PN6.3	PN8	PN10	PN12.5	PN16	PN20	PN25
mm	Wall Thickness
110	2.7	3.4	4.2	5.3	6.6	8.1	10
125	3.1	3.9	4.8	6	7.4	9.2	11.4
140	3.5	4.3	5.4	6.7	8.3	10.3	12.7
160	4	4.9	6.2	7.7	9.5	11.8	14.6
180	4.4	5.5	6.9	8.6	10.7	13.3	16.4
200	4.9	6.2	7.7	9.6	11.9	14.7	18.2
225	5.5	6.9	8.6	10.7	13.4	16.6	-
250	6.2	7.7	9.6	11.9	14.8	18.4	-
280	6.9	8.6	10.7	13.4	16.6	20.6	-
315	7.7	9.7	12.1	15	18.7	23.2	-
355	8.7	10.9	13.6	16.9	21.1	26.1	-
400	9.8	12.3	15.3	19.1	23.7	33.1	-
450	11	13.8	17.2	21.5	26.7	33.1	-
500	12.3	15.3	19.1	23.9	29.7	36.8	-
560	13.7	17.2	21.4	26.7	-	-	-
630	15.4	19.3	24.1	30	-	-	-
710	17.4	21.8	27.2	-	-	-	-
800	19.6	24.5	30.6	-	-	-	-
900	22	27.6	-	-	-	-	-
1000	24.5	30.6	-	-	-	-	-