PVC Coupling

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PVC Coupling

PRODUCT DESCRIPTION

Product Features

 Chemical Fusion Sealing

PVC-specific solvent cement creates leak-proof joints with strength exceeding 80% of the pipe body, ideal for high-pressure and vibrating environments.

High-Performance PVC-U

Unplasticized PVC-U material offers impact resistance (≥20kJ/m²) and chemical stability for acids, alkalis, and organic solvents.

Ultra-smooth inner surface (roughness ≤0.008) minimizes flow resistance.

Cost Efficiency

Solvent bonding requires no special tools, reducing installation time by 50%.

Maintenance-free design lowers lifecycle costs.

Strong adaptability

Suitable for various environmental conditions, including underground burial, open-air installation and indoor pipeline systems, with an operating temperature range of -20℃ to 60℃.

Standardized production

Produced strictly in accordance with international standards ISO 1452, American Standards ASTM D3034 SCH40 & SCH80 Series, and national standards (GB/T 10002.1) to ensure product quality and interchangeability.


Application Areas

Municipal engineering: urban water supply and drainage systems, rainwater collection systems, sewage treatment systems.

Construction projects: high-rise building water supply and drainage, fire protection systems, air conditioning cooling water systems.

Industrial fields: chemical pipelines, electronics factory wastewater discharge, electroplating plant pipeline systems.

Agricultural irrigation: large farmland irrigation systems, greenhouse drip irrigation systems.

Mining engineering: mine drainage systems, ore dressing plant process pipelines.

 

FAQ

Q1: Is it suitable for hot water systems?

A1: It can be used for hot water systems ≤60℃, but long-term high temperature will affect the product life. It is recommended to use high temperature resistant models.


Q2: How to test after installation?

A2: It is recommended to perform a hydrostatic pressure test at 1.5 times the working pressure for ≥30 minutes. No leakage is qualified.


Q3: Product service life?

A3: Under normal conditions, the design service life is more than 50 years. The actual service life depends on the use environment and maintenance.

 

Q4: How to choose the right size?

A4: Choose according to the system design pressure, flow rate and medium characteristics. If you have any questions, please consult our technical support.

 

Q5. After-Sales Service

A5:Warranty: 5-year product warranty with lifetime support.

Multilingual Support: Installation videos/manuals in EN/FR/AR.

TECHNICAL DATASHEETS

Product Information

 

product Name

PVC Coupling

Raw Material

PVC-U

Size

DN20-DN450, 1/4’’-20’’

Colour

Grey color or as customized

How to Connect

Solvent Cement

Standard

DIN8063,ISO 1452,ASTM D3034

Certification

ISO14001,SGS,ISO9001,CE,NSF

Manufacture with strong OEM/ODM ability


Specification

Size DN

 Dimensions( mm )

D0

d1

d2

d

T

L

20

24.8

20.24

19.96

19

17

36

25

29.9

25.24

24.95

24

19.5

41.3

32

37.4

32.25

31.95

31

23

48.1

40

47

40.28

39.95

39

27

56.6

50

56.5

50.33

49.94

49

32

67

63

70.5

63.34

62.93

62

38.5

81

75

83.3

75.35

74.93

73.5

44.5

93

90

100

90.38

89.93

88.5

52

107.6

110

119.84

110.42

109.92

108

62

128.3

125

136.3

125.52

124.93

123

69.5

147.2

140

153.5

140.58

139.88

138

77

163.6

160

174.7

160.62

159.87

158

87

183.3

180

202.5

180.81

179.91

178.5

97

203.5

200

218.9

200.9

199.85

197

107

217

225

245.8

226.02

224.83

221

119.5

245

250

269.8

251.15

249.41

247

132

279

280

314.8

281.46

280.16

278

147

299.5

315

343.7

316.55

315.05

312

165

343

355

384.6

356.63

355.03

326

183.5

373

400

430.7

401.6

400

398.5

208

423


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+86 156 6808 5720

siffopipe@siffo.cn

+86 156 6808 5720

+86 156 6808 5720