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{config.cms_name} Hjem / Produkter / UPVC/CPVC -beslag / SCH8O/DIN UPVC/CPVC Flange Gasket
Zheyi Pipeline (Wuhan) Co., Ltd.
skreddersydd SCH8O/DIN UPVC/CPVC Flange Gasket For matindustri/bil/elektronisk
SCH8O/DIN UPVC/CPVC Flange Gasket

SCH8O/DIN UPVC/CPVC Flange Gasket

UPVC/CPVC flange gaskets are precisely designed to maintain sealing performance under high pressure and temperature fluctuations, effectively preventing medium leakage. Their lightweight nature reduces installation and maintenance difficulty, while the environmentally friendly, non-toxic material aligns with modern green building standards.

These gaskets are corrosion-resistant, heat-resistant, and chemically stable, making them ideal for industrial and residential applications such as water supply, chemical processing, and food production pipelines.

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  • SCH8O/DIN UPVC/CPVC Flange Gasket
Tidligere：SCH8O/DIN UPVC/CPVC Reducer Bushing
Neste：SCH8O/DIN UPVC/CPVC Blind Flange
parameter søknad Tekniske standarder

  • SIZE/NOM

    dn20

    dn25

    dn32

    dn40

    dn50

    dn63

    dn75

    dn90

    dn110

    dn140

    dn160

    dn225

    dn280

    dn315

    (DN15)

    (DN20)

    (DN25)

    (DN32)

    (DN40)

    DN50)

    (DN65)

    (DN80)

    (DN100)

    (DN125)

    (DN150)

    (DN200)

    (DN250)

    (DN300)

    (1/2")

    (3/4")

    (1")

    (1-1/4")

    (1-1/2")

    (2")

    (2-1/2")

    (3")

    (4")

    (5")

    (6")

    (8")

    (10")

    (12")

    DIN

    D1

    95

    105

    115

    140

    150

    165

    185

    200

    220

    250

    285

    340

    395

    445

    D2

    65

    75

    85

    100

    110

    125

    145

    160

    180

    210

    240

    295

    350

    400

    δ

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    N-Φ

    4-Φ14

    4-Φ14

    4-Φ14

    4-Φ18

    4-Φ18

    4-Φ18

    4-Φ18

    8-Φ18

    8-Φ18

    8-Φ18

    8-Φ22

    8-Φ22

    12-Φ22

    12-Φ22

    ANSI

    D1

    89

    98

    108

    117

    128

    155

    178

    192

    229

    254

    284

    343

    406

    481

    D2

    61

    70

    79

    89

    98

    121

    140

    152

    191

    216

    241

    298

    362

    432

    δ

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    N-Φ

    4-Φ16

    4-Φ16

    4-Φ16

    4-Φ16

    4-Φ16

    4-Φ19

    4-Φ19

    4-Φ19

    4-Φ19

    8-Φ22

    8-Φ22

    8-Φ22

    12-Φ24

    12-Φ24

    JIS

    D3

    70

    75

    90

    100

    105

    120

    140

    150

    175

    210

    240

    290

    355

    400

    D2

    1

    35

    42.5

    48.5

    61

    73

    90

    105

    132

    158

    186

    238

    289

    341

    δ

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    3

    N-Φ

    4-Φ15

    4-Φ15

    4-Φ19

    4-Φ19

    4-Φ19

    4-Φ19

    4-Φ19

    8-Φ19

    8-Φ19

    8-Φ23

    8-Φ23

    12-Φ23

    12-Φ25

    16-Φ25

SCH8O/DIN UPVC/CPVC Flange Gasket - Corrosion-Resistant Sealing Solutions

  • Material Composition: Manufactured from high-grade UPVC and CPVC compounds, providing resistance to a wide range of corrosive media including acids, alkalis, and salts.
  • Standard Compliance: Designed and produced in strict adherence to SCH80 and DIN pipe flange standards, ensuring dimensional compatibility and a secure fit for industrial piping systems.
  • Pressure and Temperature Rating: Engineered to maintain a reliable seal under specified pressure and temperature conditions, which is critical for **UPVC pipe fittings** in **chemical processing applications**.

Our SCH80 and DIN standard UPVC/CPVC flange gaskets are engineered for reliable sealing in demanding fluid transfer systems. Each gasket is fabricated to meet specific industry standards, ensuring precise dimensions and material integrity. The selection of UPVC or CPVC materials addresses distinct application requirements: UPVC for a broad range of general industrial uses, and CPVC for higher temperature and more aggressive chemical environments. These gaskets are an essential component for preventing leaks at flange connections in **industrial pipe systems** and **water treatment plants**, contributing to operational safety and efficiency.

Technical Specifications

Material Applicable Standard Temperature Range Pressure Rating
UPVC SCH80, DIN 0°C to 60°C (32°F to 140°F) 1.0 MPa (150 PSI) at 20°C
CPVC SCH80, DIN 0°C to 95°C (32°F to 203°F) 1.0 MPa (150 PSI) at 20°C

Application Fields

This product is suitable for use in:

  • Chemical processing and storage facilities.
  • Water and wastewater treatment systems.
  • Plating and metal finishing operations.
  • Pharmaceutical and food processing industries.
  • HVAC and cooling systems.

FAQ

1. How does a UPVC gasket compare to a rubber gasket for sealing PVC flanges?

UPVC gaskets provide superior chemical resistance to many corrosive substances compared to general-purpose rubber gaskets. While rubber gaskets may offer higher flexibility, a **UPVC flange gasket** is chemically inert to a wider range of media, making it a more durable solution for **PVC pipe system leak prevention** in aggressive industrial environments. The choice depends on the specific chemical media and temperature. For detailed recommendations, our technical team can analyze your application requirements.

2. Are these gaskets suitable for high-pressure systems, and what is the maximum pressure rating?

Our UPVC and CPVC flange gaskets are rated for pressure up to 1.0 MPa (150 PSI) at 20°C. The pressure handling capability is directly related to temperature; as temperature increases, the pressure rating decreases. It is critical to adhere to the specified pressure and temperature envelope to ensure a reliable and leak-proof seal. For applications with higher pressure or temperature demands, alternative materials or flange types may be required. Please contact our engineering department for a free consultation on your specific **plastic pipe installation** challenges.

Anbefalte produkter
Bedrift
Zheyi Pipeline (Wuhan) Co., Ltd.
Zheyi Pipeline (Wuhan) Co., Ltd.

ZHEYI Group ja Kina SCH8O/DIN UPVC/CPVC Flange Gasket For matindustri/bil/elektronisk leverandør og skreddersydd SCH8O/DIN UPVC/CPVC Flange Gasket For matindustri/bil/elektronisk fabrikk. Vi ble grunnlagt i 2007, med fokus på forskning og utvikling, produksjon, salg og service av CPVC- og UPVC-rør i industrien. Selskapet har oppnådd en rekke sertifiseringer, inkludert produksjonslisens for spesialutstyr, hygienelisens for vannrelaterte produkter i Zhejiang-provinsen, IS09001-sertifisering for kvalitetsstyringssystem, IS014001-sertifisering for miljøstyringssystem og IS045001-sertifisering for HMS-styringssystem på arbeidsplassen. Selskapet har mer enn 50 uavhengige immaterielle rettigheter og egenutviklede import- og eksportrettigheter. For å tilby varierte produkter og bedre tjenester har selskapet introdusert avansert teknologi, verktøyutstyr og unike råvarer og styringssystemer fra Tyskland og USA. Gjennom årene har produktene våre blitt mye brukt i rørledningstransport av syre- og alkalivæsker, ultrarent vann, drikkevann, rent vann av elektronisk kvalitet og industrielt avløpsvann innen kjemisk, metallurgisk, solcellebasert, kjernekraft, litiumbatteri, elektronisk halvleder, mat, medisin, bil, industriell vannbehandling og andre industrier. For tiden har ZHEYI Group etablert mer enn 30 salgsselskaper over hele landet, og alle slags produkter eksporteres til Europa, Amerika, Sørøst-Asia og andre land og regioner, og er dypt favorisert av innenlandske og utenlandske kunder.

Æresbevis
  • ISO 9001: 2015
  • ISO 14001: 2015
  • ISO 45001: 2018
  • ISO 45001: 2018
  • ISO: 45001-2018 no
  • Nasjonalt høyteknologisk foretak
  • Sertifikat
  • Sertifikat
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  • Zheyi Pipeline (Wuhan) Co., Ltd.
    Streng kvalitetskontroll

    ZHEYI Group følger prinsippet om "kvalitet først", tar i bruk internasjonalt avansert utstyr og råvarer av høy kvalitet, kontrollerer strengt alle produksjonsledd og er forpliktet til å tilby rørledningsprodukter med utmerket ytelse og utsøkt utseende.

    Selskapet bruker det mest avanserte produksjonsutstyret og materialer av høy kvalitet, inkludert japanske Sekisui og amerikanske Lubrizol. «ZHEYI» kombinerer utsøkt produksjonsteknologi med profesjonell ledelse, og hvert produkt gjennomgår streng kvalitetskontroll – fra produksjon, inspeksjon til endelig levering, noe som sikrer den perfekte kombinasjonen av utseende og funksjon.

  • Zheyi Pipeline (Wuhan) Co., Ltd.
    Presisjonsytelsestesting
    Hos ZHEYI er hvert produkt omhyggelig laget, med fokus på utsøkt estetisk design, men også alltid forpliktet til utmerket egenkvalitet. Streng ytelsestesting sikrer at produktet kan opprettholde stabilitet og holdbarhet selv under tøffe forhold.:

    ● Tetthetstesting: Måler materialtetthet for å sikre ensartethet og stabilitet i konstruksjoner.
    ● Vicat mykningstemperaturtest: evaluerer mykningsgraden til materialer under høye temperaturforhold for å sikre produktets evne til å motstå deformasjon i ulike miljøer.
    ● Ovnstest: simulerer langvarig varmebestandighet og verifiserer produktets evne til å tåle høye temperaturer over lengre tid.
    ● Hydrostatisk test: Evaluer rørenes styrke under høye trykkforhold for å sikre produktets sikkerhet og pålitelighet.
    ● Slagtest med fallhammer: Test produktets slagmotstand under transport, installasjon og daglig bruk.

SCH8O/DIN UPVC/CPVC Flange Gasket Bransjekunnskap

How to choose UPVC/CPVC flange gaskets correctly? Guide to materials, sizes and media compatibility

UPVC (unplasticized polyvinyl chloride) and CPVC (chlorinated polyvinyl chloride) flange gaskets are widely used in many industries due to their excellent corrosion resistance, chemical stability and cost-effectiveness. The correct selection of gaskets requires comprehensive consideration of material properties, size matching and media compatibility to ensure sealing reliability and system safety. The following are key selection points and industry application analysis:

1. Material selection: UPVC vs. CPVC
UPVC: Suitable for normal temperature (0°C~60°C) and low pressure scenarios, with excellent acid and alkali resistance, but poor temperature resistance. Commonly used in pure water delivery systems in the drinking water (Safe Drinking Water), industrial water treatment (Industrial Water Treatment) and electronic semiconductor (Electronic Semiconductor) industries.
CPVC: High temperature resistance (up to 93°C or even higher), higher compressive strength, suitable for high temperature corrosive media. Widely used in pickling process of photovoltaic industry, waste acid recovery of metallurgy, and auxiliary cooling system of nuclear power plant.

2. Size and structure matching
Flange standard: Make sure that the gasket size matches the flange standard (such as ANSI, DIN, JIS) to avoid leakage due to tolerance.
Sealing surface type: Flat flange (FF) often uses rubber gaskets, and convex flange (RF) needs to be matched with gaskets with inner rings, especially in pipelines with high cleanliness requirements in the medicine industry.

3. Key considerations for media compatibility
The fluid media of different industries vary greatly and need to be selected in a targeted manner:
Strong acid/alkali environment (such as industrial wastewater treatment): CPVC is preferred, which is resistant to corrosion such as hydrofluoric acid and concentrated sulfuric acid.
High-purity water/ultrapure water (such as electronic semiconductors): UPVC gaskets must be free of precipitates to avoid water pollution.
Oxidizing media (such as etching solution in the photovoltaic industry): CPVC has better oxidation resistance than UPVC.
High-temperature and high-pressure water vapor (such as auxiliary systems of nuclear power plants): CPVC gaskets must pass pressure resistance and aging resistance tests.

4. Examples of industry application scenarios
Drinking Water: UPVC gaskets comply with FDA/NSF standards to ensure non-toxic and odorless.
Medicine: High-purity CPVC gaskets that withstand CIP/SIP cleaning processes.
Metallurgy: CPVC resists corrosion from smelting waste acids (such as hydrochloric acid and nitric acid).

5. Precautions
Installation preload: Avoid excessive compression that may cause cracking of UPVC/CPVC gaskets.
Thermal expansion compensation: Thermal displacement margins must be reserved for high-temperature conditions (such as photovoltaic or nuclear energy).

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