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{config.cms_name} Home / Mga produkto / UPVC/CPVC Fittings / SCH8O/DIN UPVC/CPVC Blind Flange
Zheyi Pipeline (Wuhan) Co, Ltd.
pasadyang ginawa SCH8O/DIN UPVC/CPVC Blind Flange Para sa industriya ng pagkain/automotiko/elektronik
SCH8O/DIN UPVC/CPVC Blind Flange

SCH8O/DIN UPVC/CPVC Blind Flange

UPVC/CPVC blind flanges are high-performance pipe fittings widely used in industries such as chemicals, construction, and water treatment. They offer corrosion and high-temperature resistance, ensuring reliability in harsh environments.

Blind flanges are used to seal the ends of pipelines, preventing liquid or gas leakage and facilitating system maintenance and repair. Their lightweight design simplifies installation and handling, while their strong compatibility with other standard pipe fittings meets diverse project requirements.

The smooth surface of UPVC/CPVC blind flanges reduces fluid resistance, contributing to overall system efficiency.

Makipag-ugnayan sa Amin
  • SCH8O/DIN UPVC/CPVC Blind Flange
Nakaraang：SCH8O/DIN UPVC/CPVC Flange Gasket
Susunod：SCH8O/DIN UPVC/CPVC Looper Flange
parameter aplikasyon Mga Pamantayan sa Teknikal

  • SIZE/NOM

    dn20

    dn25

    dn32

    dn40

    dn50

    dn63

    dn75

    dn90

    dn110

    dn140

    dn160

    dn225   

    dn280

    (DN15)

    (DN20)

    (DN25)

    (DN32)

    (DN40)

    DN50)

    (DN65)

    (DN80)

    (DN100)

    (DN125)  

    (DN150)

    (DN200)

    (DN250)

    (1/2")

    (3/4")

    (1")

    (1-1/4")

    (1-1/2")

    (2")

    (2-1/2")

    (3")

    (4")

    (5")

    (6")

    (8")

    (10")

    DIN

    D1

    95

    105

    115

    140

    150

    165

    185

    200

    220

    249

    284

    339

    392

    D2

    65

    75

    85

    100

    110

    125

    145

    160

    180

    210

    240

    295

    350

    δ

    12.7

    14

    15.8

    16.5

    20

    20

    23

    26

    28

    30

    31

    35

    35

    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

    ANSI

    D1

    89

    98

    108

    117

    128

    155

    178

    192

    229

    254

    284

    343

    406

    D2

    61

    70

    79

    89

    98

    121

    140

    152

    191

    216

    241

    298

    362

    δ

    12

    14

    14

    16

    16

    16

    18

    18

    20

    20

    22

    24

    26

    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

    JIS

    DL 1

    70

    75

    90

    100

    105

    120

    140

    150

    175

    210

    240

    290

    355

    D0 LZ

    31

    35

    42.5

    48.5

    61

    73

    90

    105

    132

    158

    186

    238

    289

    δ

    12

    14

    14

    16

    1A 0

    16

    18

    18

    20

    20

    22

    24

    26

    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

SCH80/DIN UPVC/CPVC Blind Flange - Durable Sealing for Industrial Piping Systems

  • Material Composition: Manufactured from SCH80 UPVC (Unplasticized Polyvinyl Chloride) and CPVC (Chlorinated Polyvinyl Chloride), ensuring resistance to a wide range of chemical media. This makes the blind flange suitable for applications where **chemical resistance** is paramount.
  • Structural Integrity: Designed according to **DIN standards** to provide a robust and secure seal at the end of a pipeline. Its solid, disc-like structure is engineered to withstand pressures without leakage, which is crucial for **pipe system maintenance** and shutdown applications.
  • Ease of Installation: Features a bolt pattern that aligns with standard pipe fittings, allowing for straightforward **UPVC/CPVC blind flange installation** and removal. This design simplifies pipeline modification and repair procedures, reducing downtime in industrial settings.

This blind flange is manufactured in compliance with **ASTM D1784** for material and **DIN 8063** for dimensions, ensuring compatibility and consistent performance. The product is designed to provide a secure and non-corrosive seal for isolating sections of piping systems. Its non-metallic construction prevents galvanic corrosion, a common issue in mixed-material systems, making it a reliable component for **industrial fluid handling** and **water treatment** applications. The inherent properties of UPVC and CPVC provide a lightweight alternative to metallic flanges, reducing the load on supporting structures.

Technical Specifications

Parameter SCH80 UPVC Blind Flange SCH80 CPVC Blind Flange
Nominal Size DN 15 to DN 200 DN 15 to DN 200
Standard DIN 8063 DIN 8063
Material Unplasticized Polyvinyl Chloride Chlorinated Polyvinyl Chloride
Operating Temperature Range -10°C to +60°C 0°C to +95°C
Maximum Operating Pressure 1.0 MPa (150 PSI) 1.0 MPa (150 PSI)

Application Areas

This blind flange is specified for use in scenarios where **corrosion resistance** and a reliable seal are critical. Typical applications include:

  • Chemical processing and transport systems.
  • Water and wastewater treatment facilities.
  • Semiconductor manufacturing plants.
  • Power generation and cooling systems.
  • Swimming pool and aquatic center plumbing.

FAQ

1. What are the key differences between a UPVC and CPVC blind flange, and how do I choose the correct one for my application?

The primary distinction lies in their **temperature resistance**. A **UPVC blind flange** is suitable for applications with a maximum operating temperature of up to 60°C, while a **CPVC blind flange** can handle media with temperatures up to 95°C. The choice depends entirely on the specific fluid temperature and operational environment of your system. For instance, processes involving hot corrosive liquids necessitate the higher thermal rating of CPVC. To ensure you select the optimal flange, please consult our technical specifications against your operational parameters. Our application engineers can provide a free consultation to analyze your specific requirements.

2. How does the pressure rating of an SCH80 non-metallic blind flange compare to its metallic counterpart, and can it handle industrial pressures?

While metallic flanges generally have higher pressure ratings, an **SCH80 non-metallic blind flange** is engineered to meet the pressure demands of many industrial fluid systems, typically up to 1.0 MPa (150 PSI) at standard temperatures. The pressure rating is a function of both material properties and temperature; as temperature increases, the pressure rating decreases. It is important to check the pressure-temperature derating charts for the specific material (UPVC or CPVC) and operational conditions. Our blind flanges are rigorously tested to ensure they maintain structural integrity and a leak-proof seal within their specified limits, providing a reliable, corrosion-free solution for your **high-pressure UPVC/CPVC piping needs**.

Inirerekomendang mga produkto
Kumpanya
Zheyi Pipeline (Wuhan) Co, Ltd.
Zheyi Pipeline (Wuhan) Co, Ltd.

ZHEYI Group oo Tsina SCH8O/DIN UPVC/CPVC Blind Flange Para sa industriya ng pagkain/automotiko/elektronik tagapagtustos at pasadyang ginawa SCH8O/DIN UPVC/CPVC Blind Flange Para sa industriya ng pagkain/automotiko/elektronik pabrika. Kami ay itinatag noong 2007, na nakatuon sa pananaliksik at pagpapaunlad, pagmamanupaktura, pagbebenta at serbisyo ng CPVC at UPVC na mga pang-industriyang tubo. Ang kumpanya ay nakakuha ng ilang mga sertipikasyon, kabilang ang espesyal na lisensya sa produksyon ng kagamitan, ang Zhejiang Province na may kaugnayan sa tubig na lisensya sa kalinisan ng produkto, ang IS09001 na sertipikasyon ng sistema ng pamamahala ng kalidad, ang sertipikasyon ng sistema ng pamamahala sa kapaligiran ng IS014001, at ang sertipikasyon ng sistema ng pamamahala sa kalusugan at kaligtasan ng trabaho sa IS045001. Ang kumpanya ay may higit sa 50 independiyenteng mga karapatan sa intelektwal na ari-arian at self-operated na mga karapatan sa pag-import at pag-export. Upang makapagbigay ng sari-saring produkto at mas mahusay na serbisyo, ipinakilala ng kumpanya ang advanced na teknolohiya, kagamitan sa tooling, at natatanging mga hilaw na materyales at sistema ng pamamahala mula sa Germany at United States. Sa paglipas ng mga taon, ang aming mga produkto ay malawakang ginagamit sa pipeline na transportasyon ng mga acid at alkali na likido, ultrapure na tubig, inuming tubig, electronic grade purong tubig, at pang-industriyang wastewater sa kemikal, metalurhiko, photovoltaic, nuclear power, lithium battery, electronic semiconductor, pagkain, gamot, sasakyan, pang-industriya na paggamot ng tubig at iba pang mga industriya. Sa kasalukuyan, ang ZHEYI Group ay nagtatag ng higit sa 30 mga kumpanya ng pagbebenta sa buong bansa, at lahat ng uri ng mga produkto ay ini-export sa Europa, Amerika, Timog-silangang Asya at iba pang mga bansa at rehiyon, at lubos na pinapaboran ng mga domestic at dayuhang customer.

Sertipiko ng karangalan
  • ISO 9001: 2015
  • ISO 14001: 2015
  • ISO 45001: 2018
  • ISO 45001: 2018
  • ISO: 45001-2018 en
  • National High-Tech Enterprise
  • Sertipiko
  • Sertipiko
Balita
Mag-iwan ng mensahe
  • Zheyi Pipeline (Wuhan) Co, Ltd.
    Mahigpit na kontrol sa kalidad

    Ang ZHEYI Group ay sumusunod sa prinsipyo ng "kalidad muna", gumagamit ng internasyonal na advanced na kagamitan at mataas na kalidad na mga hilaw na materyales, mahigpit na kinokontrol ang bawat link ng produksyon, at nakatuon sa pagbibigay ng mga produktong pipeline na may mahusay na pagganap at katangi-tanging hitsura.

    Ginagamit ng kumpanya ang pinaka-advanced na kagamitan sa produksyon at mga de-kalidad na materyales, kabilang ang Sekisui ng Japan at Lubrizol ng Estados Unidos. Ang "ZHEYI" ay perpektong pinagsama ang katangi-tanging teknolohiya ng produksyon sa propesyonal na pamamahala, at ang bawat produkto ay sumasailalim sa mahigpit na kontrol sa kalidad - mula sa produksyon, inspeksyon hanggang sa huling paghahatid, na tinitiyak ang perpektong kumbinasyon ng hitsura at paggana.

  • Zheyi Pipeline (Wuhan) Co, Ltd.
    Pagsubok sa pagganap ng katumpakan
    Sa ZHEYI, ang bawat produkto ay meticulously crafted, hindi lamang tumutuon sa katangi-tanging aesthetic disenyo, ngunit din palaging nakatuon sa mahusay na intrinsic na kalidad. Tinitiyak ng mahigpit na pagsubok sa pagganap na mapanatili ng produkto ang katatagan at tibay kahit sa ilalim ng malupit na mga kondisyon.:

    ● Pagsusuri sa densidad: Sinusukat ang density ng materyal upang matiyak ang pagkakapareho at katatagan ng mga istruktura.
    ● Pagsusuri ng temperatura ng paglambot ng Vicat: sinusuri ang antas ng paglambot ng mga materyales sa ilalim ng mga kondisyon ng mataas na temperatura upang matiyak ang kakayahan ng produkto na labanan ang pagpapapangit sa iba t ibang kapaligiran.
    ● Pagsusuri sa oven: ginagaya ang pangmatagalang paglaban sa init at bini-verify ang kakayahan ng produkto na makatiis sa mataas na temperatura sa mahabang panahon.
    ● Pagsusuri ng hydrostatic: Suriin ang lakas ng mga tubo sa ilalim ng mga kondisyon ng mataas na presyon upang matiyak ang kaligtasan at pagiging maaasahan ng produkto.
    ● Drop hammer impact test: Subukan ang impact resistance ng produkto sa panahon ng transportasyon, pag-install at pang-araw-araw na paggamit.

SCH8O/DIN UPVC/CPVC Blind Flange Kaalaman sa industriya

Installation specifications and sealing precautions for UPVC/CPVC blind flanges

UPVC (unplasticized polyvinyl chloride) and CPVC (chlorinated polyvinyl chloride) blind flanges are widely used in many industries due to their excellent corrosion resistance, lightweight and high cost performance, including safe drinking water, metallurgy, photovoltaics, nuclear power, electronic semiconductors, medicine, industrial water treatment, industrial wastewater and other fields. To ensure its long-term stable operation, installation and sealing are crucial. The following are key specifications and precautions:

1. Installation specifications
Flange alignment and tightening
Before installation, check whether the flange surface is flat to avoid stress concentration due to misalignment.
Gradually tighten the bolts in a diagonal order (it is recommended to use stainless steel or corrosion-resistant bolts) to avoid uneven force on one side and affect the sealing.

Gasket selection
Select suitable gaskets (such as EPDM, PTFE or rubber gaskets) according to different media, for example:
Safe drinking water/pharmaceutical industry: must comply with FDA or sanitary standards (such as EPDM).
Industrial wastewater/metallurgical industry: PTFE gaskets that are resistant to acid and alkali corrosion are more suitable.

Temperature and pressure adaptation
UPVC temperature range (0°C~60°C), CPVC can withstand higher temperatures (-40°C~93°C), and materials must be strictly distinguished in scenarios such as photovoltaics (cooling systems) or nuclear power (auxiliary pipelines).
Avoid overpressure use, especially in high-purity water systems in the electronic semiconductor industry, where pressure fluctuations may cause flange deformation.

Support and shockproof
Long pipeline systems (such as industrial water treatment plants) require additional brackets to reduce the vibration load of blind flanges.

2. Sealing precautions
Surface cleaning
Thoroughly clean the flange sealing surface and the inner wall of the pipeline before installation to prevent particulate matter (such as metal debris in the metallurgical industry) from affecting the sealing effect.

Avoid over-tightening
UPVC/CPVC materials have low hardness. Over-tightening of bolts may cause flange cracking, especially in low-temperature environments (such as photovoltaic plant cooling systems).

Media compatibility check
The pharmaceutical/electronic semiconductor industry needs to ensure that the blind flange material does not release harmful substances (such as plasticizers).
In industrial wastewater treatment, it is necessary to resist chemical corrosion such as chlorine and sulfide.

Regular maintenance
In nuclear power or highly dangerous fluid systems, it is recommended to check the flange sealing status regularly to prevent sudden leakage.

3. Key points of industry application
Safe drinking water/pharmaceuticals: give priority to sanitary CPVC flanges to avoid biological contamination.
Photovoltaics/electronic semiconductors: pay attention to the aging effect of thermal cycles on sealing gaskets.
Metallurgy/industrial wastewater: strengthen chemical corrosion resistance design, such as thickened flanges or anti-corrosion coatings.

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