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  4. UPVC / CPVC pipe material instructions...

UPVC / CPVC pipe material instructions

UPVC / CPVC pipe material instructions
1. Material characteristics:
       PVC is polymerized by vinyl chloride monomer (VCM). PVC material has the characteristics of non-toxic, anti-aging and acid and alkali resistance, so it is very suitable for use in chemical pipelines. The mixture of PVC raw materials with a certain amount of solid additives (no plasticizers) is called rigid polyvinyl chloride (UPVC).
      CPVC is a polymer material modified by chlorination of polyvinyl chloride (PVC) again. After chlorination of PVC resin, the chlorine content is increased from 56.7% to 63-69%, which increases the chemical stability and improves the material. The heat resistance, acid, alkali, salt, oxidant and other corrosion; its thermal deformation temperature and mechanical properties are much higher than UPVC. Therefore, CPVC is one of the best engineering materials for industrial piping.
2. Introduction of pipeline system:
        Both UPVC and CPVC piping systems have the characteristics of corrosion resistance, impact resistance, no deformation, smooth inner wall, no scaling, good thermal insulation, non-conductivity, easy bonding, and long service life. Therefore, it gradually replaces other metal piping systems on the advantages of high cost performance and low construction cost, and UPVC and CPVC piping systems are convenient and fast to maintain, and do not need to be shut down for a long time to cause huge losses. Therefore, UPVC and CPVC piping systems are currently designed for industrial piping First choice.
       The maximum allowable operating temperature of UPVC piping system is 60 ℃, and the long-term operating temperature is 45 ℃. It is suitable for conveying some corrosive media with a temperature below 45 ° C; it can also be used for the conveyance of ordinary pressure fluids, generally used for water supply and drainage pipes, agricultural irrigation pipes, environmental engineering pipes, air conditioning pipes, etc.
       The maximum allowable temperature of CPVC piping system is 110 ℃, and the long-term use temperature is 95 ℃. It is suitable for transporting hot water and corrosive media within the pressure range allowed by the standard. Generally used in petroleum, chemical industry, electronics, electric power, metallurgy, papermaking, food and beverage, medicine, electroplating and other industrial fields.If you want to know more about it please do not hesitate to contact me. WhatsApp:+86-15966835076.
3. Physical properties:
1. UPVC physical performance table:

Item

Unit

standard value

Test Methods

density

kg / m³

1350 ~ 1460

ISO 1183

Vicat softening temperature

℃

(Tube) ≥80, (accessories) ≥74

ISO 2507

Tensile Strength

MPa

≥40

ISO 6259

Impact strength

KJ / m²

11.0

ISO 179

Longitudinal retraction rate

%

≤5

ISO 2505

Drop weight impact test (0 ℃)

TIR

≤10%

ISO 3127


2. Physical properties table of CPVC:

Item

Unit

standard value

Test Methods

density

kg / m³

1450 ~ 1650

ISO 1183

Vicat softening temperature

℃

(Tube) ≥110, (accessories) ≥103

ISO 2507

Tensile Strength

MPa

≥50

ISO 6259

Impact strength

KJ / m²

8.0

ISO 179

Longitudinal retraction rate

%

≤5

ISO 2505

Drop weight impact test (0 ℃)

TIR

≤10%

ISO 3127


Four, UPVC / CPVC pipeline operating temperature and operating pressure comparison table:
     This table refers to the operating pressure of UPVC / CPVC pipeline at 100% at normal temperature of 73 ° F (23 ° C). As the temperature increases, the remaining percentage of operating pressure remains.

℉

73

80

90

100

110

120

130

140

150

160

170

180

190

200

210

℃

twenty three

27

32

38

43

49

54

60

66

71

77

82

88

93

99

UPVC

100%

90%

75%

62%

50%

40%

30%

twenty two%

0%

0%

0%

0%

0%

0%

0%

CPVC

100%

100%

91%

82%

73%

65%

57%

50%

45%

40%

32%

25%

twenty two%

20%

0%

PS: There is a pipeline with screw teeth. The UPVC part must not exceed 110 ° F (43 ° C); the CPVC part must not exceed 150 ° F (66 ° C).

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