SCH8O/DIN UPVC/CPVC Ⅰ Ball Valve

The UPVC/CPVC I ball valve is a high-performance valve designed for industrial pipelines and water treatment systems. Its simple yet efficient design, featuring a spherical valve core, provides extremely low fluid resistance when fully open or closed. The valve’s quick opening and closing and ease of operation make it perform excellently in pipeline control.

Our product boasts sealing performance with high-quality sealing rings, ensuring leak-free operation and extending the equipment's service life. The lightweight nature of the UPVC/CPVC I ball valve makes it easy to install and maintain, and it is widely used in industries such as chemical processing, pharmaceuticals, drinking water treatment, and HVAC systems.

Déan Teagmháil Linn

Roimhe Seo：SCH8O/DIN UPVC/CPVC Ⅱ Comhla Liathróid
Ar Aghaidh：Comhla scairt Aontais SCH8O/DIN UPVC/CPVC

paraiméadar feidhmchlár Caighdeáin Theicniúla

dn	DN	Structure size
dn	DN	A	D	H	L	I
20	15	75	50	50	106	18
25	20	87	55	56	120	22
32	25	100	67	67	134	22
40	32	110	78	73	154	26
50	40	114	96	87	178	32
63	50	140	110	100	205	39
75	65	160	130	106	232	45
90	80	196	158	130	281	51
110	100	298	199	183	325	61

SCH80 / DIN Full Port One-Piece

UPVC / CPVC Ⅰ Ball Valve

Lever Operated · Lockable Handle · PTFE Seats

The SCH80/DIN UPVC/CPVC Ⅰ Ball Valve is a quarter-turn isolation valve engineered for reliable shut-off in corrosive and high-purity fluid systems. Manufactured to ASTM SCH80 and DIN standards, this one-piece ball valve features a full port design that maintains line flow characteristics with minimal pressure drop. The valve body is available in UPVC for general chemical service or CPVC for elevated temperature applications up to 93°C. PTFE seats and seals provide bubble-tight shut-off across the full pressure range, while the lever handle includes a lockable feature for position assurance in critical installations.

DN15–DN100

Size Range

PN10–PN16

Pressure Rating

–20°C to +93°C

CPVC Range

Full Port

Flow Design

Chemical Resistance

UPVC and CPVC materials resist a broad spectrum of acids, bases, salts, and oxidizing agents. The inert polymer structure prevents leaching and maintains fluid purity in sensitive applications.

Full Port Flow

The ball bore diameter matches the nominal pipe size, eliminating flow restrictions and reducing pressure drop. This design minimizes energy consumption and ensures consistent flow rates.

Bubble-Tight Shut-Off

PTFE seats provide a reliable seal against the chrome-plated or solid CPVC ball. The one-piece body construction eliminates potential leak paths through the end connections.

Temperature Versatility

CPVC variants support continuous operation up to 93°C, making them suitable for hot corrosive liquids, industrial process water, and high-temperature chemical transfer.

Technical Specifications

Body Material

UPVC (unplasticized polyvinyl chloride) · CPVC (chlorinated polyvinyl chloride)

Ball Material

Chrome-plated brass (UPVC) · Solid CPVC (CPVC body)

Seat / Seal Material

PTFE (standard) · EPDM (optional for water service)

Connection Type

Socket (solvent cement) · Threaded (NPT/BSPT) · Flanged (DIN)

Standard Compliance

ASTM D2467 (SCH80) · DIN 8061/8062 · ISO 16139

Handle Type

Lever handle with 90° travel · Lockable in open/closed positions

Chemical & Metallurgy

Acid transfer, alkali dosing, pickling lines, plating bath circulation

Electronics & Semiconductors

Ultrapure water (UPW) distribution, electronic-grade chemical handling

Energy & Photovoltaics

Lithium battery electrolyte, solar cell etching, nuclear auxiliary cooling

Water Treatment

Industrial wastewater, desalination, RO permeate, potable water

Food & Pharmaceutical

Deionized water, CIP solutions, sanitary process lines

Automotive & General

E-coat circulation, parts washing, cooling water systems

Installation Notes

Solvent cement: Use primer and cement specifically formulated for UPVC or CPVC. Allow full cure time before pressure testing.
Threaded connections: Apply PTFE tape to male threads only. Hand-tighten plus 1–2 turns with a strap wrench.
Flanged connections: Use full-face EPDM or PTFE gaskets. Torque bolts evenly in a cross pattern to 15–20 Nm.
Mounting orientation: Install with handle in accessible position. For horizontal lines, stem should be vertical.
Actuator installation: Verify torque compatibility with valve stem rating. Use manufacturer-approved mounting bracket.

Critical Restrictions

Do not use UPVC ball valves with fluids above 60°C or with concentrated nitric acid (>15%).
CPVC valves are not rated for steam service or chlorinated solvent exposure above 60°C.
Avoid sudden pressure surges exceeding 1.5× the rated working pressure.
Do not operate the handle with excessive force — over-torquing may damage the stem seal.
Not suitable for gaseous media above 2 bar without safety relief provisions.
UV exposure: Store and install in shaded areas or apply UV protective coating.

Common Field Issues & Solutions

● Handle stiffness after thermal cycling

PTFE seats may expand at temperature extremes. Cycle the valve fully open and closed 3–4 times at ambient temperature. If resistance persists, lubricate the stem with silicone-based grease. Avoid petroleum-based lubricants.

● Leakage at the stem area

Tighten the stem gland nut incrementally (1/8 turn at a time). If leakage continues, replace the stem O-rings. For CPVC valves in hot service, verify that O-ring material is compatible with the fluid temperature.

● Media leakage past the ball in closed position

Inspect PTFE seats for wear or deformation. Replace seats if worn beyond 0.5 mm. For systems with frequent cycling, consider upgrading to reinforced PTFE seats.

● Cracking near the connection area

Over-torquing of threaded or flanged connections is the most common cause. Verify torque values against the installation manual. Replace cracked components immediately — do not attempt repair with adhesives.

Cuideachta

Zheyi Pipeline (Wuhan) Co., Ltd.

ZHEYI Group tá An tSín SCH8O/DIN UPVC/CPVC Ⅰ Ball Valve Le haghaidh tionscail bia/feithicleach/leictreonach soláthraí agus déanta go saincheaptha SCH8O/DIN UPVC/CPVC Ⅰ Ball Valve Le haghaidh tionscail bia/feithicleach/leictreonach monarcha. Bunaíodh muid sa bhliain 2007, ag díriú ar thaighde agus forbairt, monarú, díolacháin agus seirbhísiú píopaí tionsclaíocha CPVC agus UPVC. Tá roinnt deimhniúcháin faighte ag an gcuideachta, lena n-áirítear an ceadúnas táirgthe trealaimh speisialta, ceadúnas sláinteachais táirgí a bhaineann le huisce i gCúige Zhejiang, an deimhniú córais bainistíochta cáilíochta IS09001, an deimhniú córais bainistíochta comhshaoil IS014001, agus an deimhniú córais bainistíochta sláinte agus sábháilteachta ceirde IS045001. Tá níos mó ná 50 ceart maoine intleachtúla neamhspleácha agus cearta allmhairithe agus onnmhairithe féinoibrithe ag an gcuideachta. Chun táirgí éagsúlaithe agus seirbhísí níos fearr a sholáthar, thug an chuideachta isteach teicneolaíocht chun cinn, trealamh uirlisí, agus amhábhair agus córais bhainistíochta uathúla ón nGearmáin agus ó na Stáit Aontaithe. Le blianta beaga anuas, úsáideadh ár dtáirgí go forleathan in iompar píblíne leachtanna aigéadacha agus alcaileacha, uisce ultraíon, uisce óil, uisce íon grád leictreonach, agus fuíolluisce tionsclaíoch sna tionscail cheimiceacha, miotalóireachta, fótavoltacha, cumhachta núicléiche, ceallraí litiam, leathsheoltóirí leictreonacha, bia, leigheas, gluaisteán, cóireáil uisce tionsclaíoch agus tionscail eile. Faoi láthair, tá níos mó ná 30 cuideachta díolacháin bunaithe ag Grúpa ZHEYI ar fud na tíre, agus déantar gach cineál táirgí a onnmhairiú go dtí an Eoraip, Meiriceá, Oirdheisceart na hÁise agus tíortha agus réigiúin eile, agus is fearr leo go mór i measc custaiméirí baile agus eachtrannacha.

Teastas Onóra

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Fág teachtaireacht

Rialú cáilíochta dian

Cloíonn Grúpa ZHEYI le prionsabal "cáilíocht ar dtús", glacann sé trealamh chun cinn go hidirnáisiúnta agus amhábhair ardchaighdeáin, rialaíonn sé gach nasc táirgthe go docht, agus tá sé tiomanta do tháirgí píblíne a sholáthar a bhfuil feidhmíocht den scoth agus cuma fíorálainn acu.

Úsáideann an comhlacht an trealamh táirgthe is úire agus ábhair ardchaighdeáin, lena n-áirítear Sekisui na Seapáine agus Lubrizol na Stát Aontaithe. Comhcheanglaíonn "ZHEYI" teicneolaíocht táirgthe fíorálainn le bainistíocht ghairmiúil go foirfe, agus déantar rialú cáilíochta dian ar gach táirge - ón táirgeadh, ón gcigireacht go dtí an seachadadh deiridh, rud a chinntíonn an meascán foirfe de chuma agus feidhm.
Tástáil feidhmíochta beachtais

Ag ZHEYI, déantar gach táirge a cheardaíocht go cúramach, ní hamháin ag díriú ar dhearadh aeistéitiúil fíorálainn, ach tiomanta i gcónaí do cháilíocht intreach den scoth. Cinntíonn tástáil fheidhmíochta dhian go bhféadann an táirge cobhsaíocht agus marthanacht a choinneáil fiú faoi dhálaí crua.:

● Tástáil dlúis: Tomhaiseann sé dlús ábhair chun aonfhoirmeacht agus cobhsaíocht struchtúr a chinntiú.
● Tástáil teochta maolaithe Vicat: déanann sé measúnú ar chéim mhaolaithe ábhar faoi choinníollacha ardteochta chun a chinntiú go bhfuil an táirge in ann dífhoirmiú a sheasamh i dtimpeallachtaí éagsúla.
● Tástáil oighinn: insamhlaíonn sé friotaíocht teasa fadtéarmach agus fíoraíonn sé cumas an táirge teochtaí arda a sheasamh ar feadh i bhfad.
● Tástáil hidreastatach: Déan measúnú ar neart na bpíopaí faoi choinníollacha ardbhrú chun sábháilteacht agus iontaofacht an táirge a chinntiú.
● Tástáil tionchair casúir titime: Déan tástáil ar fhriotaíocht tionchair an táirge le linn iompair, suiteála agus úsáide laethúla.

SCH8O/DIN UPVC/CPVC Ⅰ Ball Valve Eolas tionscail

How to correctly select UPVC/CPVC Type I ball valve? Key parameters and working condition matching guide

UPVC (unplasticized polyvinyl chloride) and CPVC (chlorinated polyvinyl chloride) Type I ball valves are widely used in many industries due to their excellent corrosion resistance, lightweight and cost advantages. Correct selection requires the combination of media characteristics, working conditions and industry specifications. The following are key selection points and typical industry application matching suggestions:

1. Media compatibility: chemical corrosion resistance matching
UPVC: Suitable for weak acid, weak alkali and normal temperature (≤60°C) water media, such as drinking water, industrial water treatment, etc.
CPVC: Higher temperature resistance (≤90°C), strong acid, strong alkali and organic solvent resistance, suitable for etching liquid in the electronic semiconductor industry, acid and alkali wastewater in the photovoltaic industry and other corrosive fluids.

2. Pressure and temperature rating
UPVC/CPVC I type ball valves are usually suitable for low pressure (PN10~PN16), and CPVC materials should be preferred for high temperature conditions. For example:
UPVC can be used for auxiliary pure water systems (low temperature and low pressure) of nuclear power plants;
CPVC should be used for high temperature pickling lines in the metallurgy industry and long-term thermal stability should be verified.

3. Special industry requirements
Medicine and safe drinking water: must comply with FDA or NSF certification to ensure that the materials are non-toxic and non-precipitated.
Industrial wastewater: when containing heavy metals or high-salt media, the chemical resistance of the valve seat sealing material (such as EPDM) must be verified.
Photovoltaic: often involves highly corrosive media such as hydrofluoric acid (HF), and the combination of CPVC valve body + PTFE seal is more reliable.

4. Structural design and installation environment
For corrosive gas environments (such as exhaust gas treatment in electronic semiconductor plants), it is recommended to use a fully enclosed valve body to avoid exposure of metal parts.
For frequently opened and closed working conditions (such as backwash pipelines in water treatment systems), a low torque design should be selected to extend service life.

5. Certification and standards
The drinking water industry must comply with NSF/ANSI 61, and the auxiliary systems of nuclear power plants must meet ASME NQA-1 quality control.

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