Tange ar diferencia entre tubo CPVC ne tubo UPVC?

ja ko ya tuberías, CPVC (cloruro polivinilo clorado) ne UPVC (cloruro polivinilo hindi plastificado), komongu yoho tubos plástico estándar ko resistencia ar corrosión, tsibi, facilidad instalación, ne ma 'ra ya ventajas, ya ampliamente utilizados. However, due to differences in material properties, there are significant differences between the two in practical applications.

Material characteristics and core differences

1. Chemical structure differences

CPVC pipe: The chlorine content of PVC resin is increased from 56% to 63% to 69% through the chlorination modification. This process significantly enhances the material’s high-temperature resistance and chemical stability.

UPVC pipe: Directly processed from unplasticized polyvinyl chloride resin without chlorination, retaining the rigidity and low-cost characteristics of PVC.

2. Key performance comparison

CPVC tube vs. UPVC tube: Core difference and application field comparison table

Analysis of differences in application fields

1. Building water supply and drainage system

CPVC pipe applications

  Hot water supply: withstand hot water above 80℃, suitable for hotels, hospitals, and other central hot water systems.

  Fire sprinkler system: V-0 flame retardant performance to meet the fire code can replace some metal pipes.

  Case: A five-star hotel uses CPVC pipe to lay a circulating hot water pipe network, and there has been no leakage for five consecutive years.

UPVC pipe Nt'ot'es 

  Transmisión ar dehe fría: ar dehe ar grifo municipal, hogar tubería ar dehe fría, ne ma'ra escenarios mpat'i ambiente.

  ko ya drenaje: nguu tuberías 'ye ne dehe residuales ar 40% mäs barato da tubos hierro fundido.

  Limitaciones: ar hei ar suavizar ne deformar nu'bu̲ ar mpat'i supera ar 60 ° c ne hingi ar mfädi pa 'nar mbo jar ximha̲i ar dehe mpa.

2. ko ya tuberías industrial

áreas ventaja tubería CPVC

  Industria química: concentración transporte ≤40% ar ácido clorhídrico, ácido sulfúrico, ne ma'ra ya nt'ot'e corrosivas (temperature < 80°C).

  Industria galvanoplastia: soporta ya dehe residuales da contiene cromo, níquel, ne ma'ra iones ya bo̲jä pesadas.

  Case: 'nar planta química reemplazó tubos asero inoxidable ko ya tuberías CPVC, reducción costes nja 'befi ya'bu̲ 65%.

UPVC áreas ar ventaja ar tubería  

ko ventilación xí hñets'i'i presión: tubo escape laboratorio, tubo escape taller.

  transmisión ar dehe pura: ultra-pure water pipeline in electronics factory to avoid metal ion pollution.

3. Agricultural irrigation system

CPVC pipe: suitable for greenhouses and other hot water heating scene, resistant to long-term corrosion of fertilizers and pesticides.

UPVC pipe: widely used in open-air drip irrigation, sprinkler irrigation systems, and low-temperature environments need to add antifreeze.

• Special applications

Floor heating system: CPVC pipe high-temperature resistance can meet the needs of 45℃~60℃ hot water circulation.

Mariculture: UPVC tubes are easy to age in the salt spray environment, and CPVC’s life is extended by 2-3 times.

Key factors in selection decision

1. Medium temperature

< 60°C : the UPVC tube is preferred (cost saving 30%-50%).

≥60℃ : CPVC tube must be used to avoid the risk of pipeline deformation.

2. Chemical compatibility

Transport organic solvents (such as acetone, xylene) : CPVC tube is required.

Transport chlorine gas, ozone and other strong oxidants: it is recommended to use UPVC tube (CPVC may chlorinate).

3 Install the environment

Directly buried underground: CPVC pipe has higher compressive strength and is suitable for heavy vehicle traffic areas.

High-cold areas: UPVC pipes need to add impact modifiers (such as CPE) to avoid low temperature brittle-cracking.

4. Cost budget

Initial investment: UPVC tube price is about 60%-70% of CPVC tube price.

Full life cycle cost: CPVC tube maintenance costs are lower in high temperature scenarios.

Common misunderstanding clarification

Misconception 1: UPVC tube can not be used in chemical industry scenes?

Correction: UPVC can transport weakly corrosive media (such as hydrochloric acid with a concentration below 10%), but CPVC is required for strong corrosion or high temperature.

Misconception 2: Can CPVC pipes replace metal pipes to transport steam?

Correction: The upper temperature limit of CPVC is 95 ° C, and the steam pipe (usually ≥100 ° C) needs to be changed to PPH or metal.

How to choose?

Base on the temperature: fluid temperature > 60℃ → select CPVC; Room temperature → UPVC.

Base on corrosion: strong acid/base → choose CPVC; Ordinary media → UPVC.

Base on the budget: high cost performance demand → select UPVC; Special performance requirements → select CPVC.

Proveedor

Luoyang Datang Energy Tech Co., Ltd. is a professional manufacturer and supplier of pipes and fittings. We offer PPR pipes, tubos ar PVC, PE pipes, and floor heating pipes and fittings for all types of pipes, ko mextha ar hño ne precios competitivos. Nu'bu̲ Nu'i gí 'ñehe uni consulta dige tuberías ne accesorios, please do not hesitate to contact us. to da clic ja ar producto pa ga japi ar jar contacto ko ngekihe.