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la comanda SCH8O/DIN UPVC/CPVC Ball Check Valve Pentru industria alimentară/auto/electronică
SCH8O/DIN UPVC/CPVC Ball Check Valve

SCH8O/DIN UPVC/CPVC Ball Check Valve

The UPVC/CPVC ball check valve is a high-efficiency and reliable fluid control device designed for various industrial and construction applications. Its ball-shaped design allows the valve to open quickly during fluid flow and automatically close during reverse flow, effectively preventing backflow and fluid mixing to ensure the safety and efficiency of the system.

The valve is widely used in water treatment, chemical processing, pharmaceuticals, and food processing industries, especially in scenarios requiring high fluid purity. Its simple structure and convenient installation make it a modern industrial solution for high fluid control requirements.

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parametru aplicație Standarde tehnice
  •  

    SIZE/NOM.

    dn20

    dn25

    dn32

    dn40

    dn50

    dn63

    dn75

    dn90

    dn110

    (DN15)

    (DN20)(

    DN25)

    (DN32)

    (DN40)

    (DN50)

    (DN65)

    (DN80)

    (DN100)

    (1/2")

    (3/4")

    (1")

    (1-1/4")

    (1-1/2")

    (2")

    (2-1/2")

    (3")

    (4")

    DIN

    d1

    20.3

    25.3

    32.3

    40.3

    50.3

    63.3

    75.3

    90.3

    110.4

    d2

    20.1

    25.1

    32.1

    40.1

    50.1

    63.1

    75.1

    90.1

    110.1

    ANSI

    d1

    21.51

    26.87

    33.62

    42.6

    48.54

    60.65

    73.39

    89.31

    114.8

    d2

    21.25

    26.6

    33.3

    42.06

    48.18

    60.27

    72.9

    88.8

    114.2

    JIS

    d1

    22.4

    26.45

    32.56

    38.63

    48.73

    56.82

    58.63

    89.66

    114.27

    d2

    21.75

    25.7

    31.71

    37.67

    47.76

    55.77

    57.67

    88.63

    113.2

    D

    53

    63

    73

    85

    97

    118

    134

    158

    202

    L

    90

    106

    124

    139

    151

    169

    230

    262

    346

    I

    16

    19

    22

    26

    31

    38

    44

    51

    61

SCH80 / DIN · NON-RETURN · SPRING LOADED
UPVC / CPVC Ball Check Valve
DN15–DN150 · PN10–PN16 · –20°C to +93°C
The SCH80/DIN UPVC/CPVC Ball Check Valve is a spring-loaded, non-return device engineered to prevent reverse flow in corrosive and high-purity fluid systems. Manufactured to ASTM SCH80 and DIN standards, this valve uses a spring-loaded ball that seats against a seal to block backflow while allowing free forward flow. The ball design provides a low-pressure drop and quick closing response. The valve body is available in UPVC for general chemical service and CPVC for elevated temperature applications up to 93°C. The O-ring seal, available in EPDM, FKM, or PTFE, ensures leak-tight shut-off when reverse flow occurs. Suitable for both horizontal and vertical installations.
DN15 – DN150 Size Range
PN10 – PN16 Pressure Rating
–20°C to +93°C CPVC Operating Range
Ball & Spring Check Mechanism
⦿
Spring-Loaded Ball Closure
The spring-loaded ball provides rapid closing response to prevent reverse flow, with the spring force calibrated to ensure positive seating even at low forward flow velocities.
⦿
Chemical & Thermal Resistance
UPVC and CPVC materials resist a wide range of acids, bases, and salts. CPVC extends service to 93°C. The ball and seal materials can be selected for specific chemical compatibility.
⦿
Low Pressure Drop
The spherical ball design minimizes flow restriction during forward flow, reducing system energy consumption and maintaining line efficiency across the operating range.
⦿
Horizontal or Vertical Installation
Suitable for both horizontal and vertical (upward flow) installations, providing design flexibility for new or retrofit piping systems without requiring special orientation.
Technical Specifications
Body Material UPVC · CPVC
Ball Material Solid UPVC · PTFE · Stainless Steel (optional)
Seal Material EPDM · FKM (Viton) · PTFE
Spring Material Stainless Steel 304 · 316 (coated)
Connection Socket (solvent) · Threaded (NPT/BSPT)
Standards ASTM D2467 · DIN 8061/8062 · ISO 16137
Seal & Ball Selection Guide
EPDM Seal Water, mild acids, alkalis · Up to 80°C
FKM Seal Hydrocarbons, oils, strong oxidizers · Up to 90°C
PTFE Seal Aggressive chemicals, solvents, high-purity · Up to 93°C
PTFE Ball Maximum chemical resistance, low friction
SS Ball High mechanical strength, wear resistance
Verify material compatibility with process chemistry and temperature before installation.
Industries & Applications
Chemical & Metallurgy Acid transfer, caustic dosing, pump discharge protection, pickling lines
Electronics & Semiconductor Ultrapure water distribution, chemical delivery, CMP slurry return
Energy & Photovoltaics Battery electrolyte, solar cell etching, cooling water return lines
Water Treatment Wastewater discharge, RO permeate, desalination, pump discharge
Pharmaceutical & Food DI water loops, CIP return, sanitary lines, ingredient transfer
Automotive & General Parts washing, paint circulation, cooling water, industrial wastewater
Installation Guidelines
  • Orientation: Install with flow arrow in the direction of forward flow. For horizontal lines, the spring provides reliable closure. For vertical lines, install with upward flow direction only.
  • Upstream/downstream: Allow at least 5 pipe diameters of straight pipe upstream and 3 diameters downstream for optimal performance.
  • Solvent welding: Use primer and cement specific to UPVC or CPVC. Allow full cure time before pressurization.
  • Threaded connections: Apply PTFE tape to male threads. Hand-tighten plus 1–2 turns with a strap wrench.
  • Inspection: Periodically inspect the seal and ball for wear or chemical attack, especially in high-cycle or abrasive service.
Critical Restrictions
  • Do not exceed 60°C for UPVC bodies. CPVC max 93°C continuous. Do not exceed seal temperature rating.
  • Not rated for steam service. Avoid rapid thermal cycling and sudden pressure surges.
  • Not designed for gaseous media — check valves are intended for liquid service only.
  • Spring material: Verify spring alloy is compatible with process chemistry to prevent corrosion and fatigue.
  • Avoid operation with high solids content or abrasive slurries that may damage the ball and seal surface.
  • Protect valve body from direct UV exposure. Use UV-stabilized material or apply protective coating.
  • Do not install in systems with pulsating flow that may cause rapid cycling and premature wear.
Field Troubleshooting
Valve does not close completely
Check for debris trapped between the ball and seal. Inspect seal for wear or chemical degradation. Verify spring is not broken or corroded. Replace damaged components.
Excessive pressure drop
Spring tension may be too high for the system flow. Verify valve sizing. For low-flow applications, consider lower spring force option. Check for debris restricting ball movement.
Chattering noise during operation
Flow velocity may be too low causing ball instability. Increase flow rate or install with a lighter spring. For pulsating flow, consider a dampened check valve design.
Leakage in reverse direction
Inspect the seal for damage or deformation. Verify the ball is seating correctly. For PTFE seals, check for cold flow at elevated temperatures. Replace seal if worn.
Companie
Pipeline Zheyi (Wuhan) Co., Ltd.
Pipeline Zheyi (Wuhan) Co., Ltd.

ZHEYI Group Da China SCH8O/DIN UPVC/CPVC Ball Check Valve Pentru industria alimentară/auto/electronică furnizor şi la comanda SCH8O/DIN UPVC/CPVC Ball Check Valve Pentru industria alimentară/auto/electronică fabrică. Am fost fondați în 2007, concentrându-ne pe cercetarea și dezvoltarea, fabricarea, vânzarea și service-ul țevilor industriale din CPVC și UPVC. Compania a obținut o serie de certificări, inclusiv licența de producție a echipamentelor speciale, licența de igienă a produselor legate de apă din provincia Zhejiang, certificarea sistemului de management al calității IS09001, certificarea sistemului de management de mediu IS014001 și certificarea sistemului de management al sănătății și securității ocupaționale IS045001. Compania deține peste 50 de drepturi de proprietate intelectuală independente și drepturi de import și export auto-operate. Pentru a oferi produse diversificate și servicii mai bune, compania a introdus tehnologii avansate, echipamente de scule, materii prime și sisteme de management unice din Germania și Statele Unite. De-a lungul anilor, produsele noastre au fost utilizate pe scară largă în transportul prin conducte de lichide acide și alcaline, apă ultrapură, apă potabilă, apă pură de calitate electronică și ape uzate industriale în industriile chimică, metalurgică, fotovoltaică, energie nucleară, baterii litiu, semiconductori electronici, alimentară, medicală, auto, tratarea apei industriale și alte industrii. În prezent, Grupul ZHEYI a înființat peste 30 de companii de vânzări în toată țara, iar toate tipurile de produse sunt exportate în Europa, America, Asia de Sud-Est și alte țări și regiuni, fiind foarte apreciate de clienții interni și străini.

Certificat de onoare
  • ISO 9001: 2015
  • ISO 14001: 2015
  • ISO 45001: 2018
  • ISO 45001: 2018
  • ISO: 45001-2018 ro
  • National High-Tech Enterprise
  • Certificat
  • Certificat
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  • Pipeline Zheyi (Wuhan) Co., Ltd.
    Control strict al calității

    Grupul ZHEYI aderă la principiul „calității pe primul loc”, adoptă echipamente avansate la nivel internațional și materii prime de înaltă calitate, controlează strict fiecare verigă a producției și se angajează să ofere produse în curs de dezvoltare cu performanțe excelente și un aspect rafinat.

    Compania utilizează cele mai avansate echipamente de producție și materiale de înaltă calitate, inclusiv Sekisui din Japonia și Lubrizol din Statele Unite. „ZHEYI” combină perfect tehnologia de producție rafinată cu managementul profesional, iar fiecare produs este supus unui control strict al calității - de la producție, inspecție până la livrarea finală, asigurând combinația perfectă între aspect și funcționalitate.

  • Pipeline Zheyi (Wuhan) Co., Ltd.
    Testarea performanței de precizie
    La ZHEYI, fiecare produs este realizat meticulos, concentrându-se nu doar pe un design estetic rafinat, ci și pe o calitate intrinsecă excelentă. Testarea strictă a performanței asigură că produsul își poate menține stabilitatea și durabilitatea chiar și în condiții dure.:

    ● Testarea densității: Măsoară densitatea materialului pentru a asigura uniformitatea și stabilitatea structurilor.
    ● Testul de temperatură de înmuiere Vicat: evaluează gradul de înmuiere al materialelor în condiții de temperatură ridicată pentru a asigura capacitatea produsului de a rezista la deformare în diverse medii.
    ● Test la cuptor: simulează rezistența la căldură pe termen lung și verifică capacitatea produsului de a rezista la temperaturi ridicate pentru o perioadă lungă de timp.
    ● Test hidrostatic: Evaluează rezistența țevilor în condiții de presiune ridicată pentru a asigura siguranța și fiabilitatea produsului.
    ● Test de impact cu ciocanul: Testați rezistența la impact a produsului în timpul transportului, instalării și utilizării zilnice.

SCH8O/DIN UPVC/CPVC Ball Check Valve Cunoștințe din industrie

How to correctly select UPVC/CPVC ball check valve? Key factors and industry application guide

UPVC (unplasticized polyvinyl chloride) and CPVC (chlorinated polyvinyl chloride) ball check valves are widely used in many industries due to their corrosion resistance, lightweight and high cost performance. Correct selection requires comprehensive consideration of media characteristics, working conditions and industry-specific needs. The following are key selection points and typical industry application analysis:

1. Media compatibility
UPVC: Suitable for weak acid, weak alkali and clear water media at room temperature (≤60°C), such as drinking water, industrial water treatment, etc.
CPVC: Higher temperature resistance (≤90°C), can withstand strong acids, strong alkalis and some organic solvents, suitable for chemical liquid transportation in the electronic semiconductor industry or etching wastewater treatment in the photovoltaic industry.

2. Pressure and flow requirements
Low-pressure systems (such as pure water delivery in the medicine industry) can choose standard pressure levels (PN10~16).
High-pressure or pulse conditions (such as cooling circulation systems in metallurgy) need to verify the pressure bearing capacity of the valve body, and choose a reinforced structure if necessary.

3. Special industry requirements
Nuclear power plants: must comply with radiation-resistant material certification and ensure zero leakage to prevent pollution.
Industrial wastewater: When containing granular media, it is recommended to use a ball check valve with an anti-blocking design to avoid the valve ball from getting stuck.
Safe drinking water: The valve body material must pass NSF/ANSI 61 and other drinking water safety certifications.

4. Installation environment
For space-constrained scenarios (such as electronic semiconductor factory service pipelines), compact flanges or threaded connection styles should be selected.
Corrosive environments (such as acid wastewater pipelines in the photovoltaic industry) require additional checks on the tolerance of sealing materials (such as EPDM, FPM).

5. Maintenance and lifespan
For systems that are frequently started and stopped (such as CIP cleaning pipelines in the pharmaceutical industry), it is recommended to choose wear-resistant valve balls (such as ceramic coatings) to reduce the frequency of maintenance.

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