{config.cms_name} Home / Products / UPVC/CPVC Fittings / SCH8O/DIN UPVC/CPVC Reducer Bushing
Zheyi Pipeline (Wuhan) Co., Ltd.
Custom SCH8O/DIN UPVC/CPVC Reducer Bushing For Food Industry/Automotive/Electronic
SCH8O/DIN UPVC/CPVC Reducer Bushing

SCH8O/DIN UPVC/CPVC Reducer Bushing

Reducer bushings enable smooth connections between pipes of different diameters, effectively reducing water flow resistance and improving the transmission efficiency of piping systems. They are easy to install, saving time and costs significantly.

They are commonly used in industries such as chemicals, pharmaceuticals, and food processing, as well as in plumbing and HVAC systems.

Contact Us
Parameter Application Technical Standards
  • dn1×dn2

    DN

    L

    I

    25×20

    20×15

    19

    16

    32×25

    25×20

    22

    19

    40×32

    32×25

    26

    22

    50×40

    40×32

    31

    26

    63×32

    50×25

    38

    22

    63×50

    50×40

    38

    31

    75×63

    65×50

    44

    38

    90×75

    80×65

    51

    44

    110×63

    100×50

    61

    38

    110×90

    100×80

    61

    51

    140×110

    125×100

    76

    60

    160×110

    150×100

    86

    61

    160×140

    150×125

    86

    76

    225×110

    200×100

    119

    61

    225×160

    200×150

    119

    86

    280×225

    250×200

    146

    119

    315×225

    300×200

    166

    119

    315×280

    300×250

    166

    146

    355×315

    350×300

    183

    164

    400×315

    400×300

    206

    170

    400×355

    400×350

    206

    185

Company
Zheyi Pipeline (Wuhan) Co., Ltd.
Zheyi Pipeline (Wuhan) Co., Ltd.

ZHEYI Group is China SCH8O/DIN UPVC/CPVC Reducer Bushing For Food Industry/Automotive/Electronic Suppliers and Custom SCH8O/DIN UPVC/CPVC Reducer Bushing For Food Industry/Automotive/Electronic Factory. We were founded in 2007, specializing in R&D, manufacturing, selling, and service of industrial pipelines of CPVC, and UPVC. It has obtained a Production License of Special Equipment, Zhejiang Province water-related products sanitary license approval document, IS09001 quality management system certificate, IS014001 environmental management system certificate, IS045001 occupational health and safety management system certificate and other certificates. It also holds more than 50 independent intellectual property rights and self-management import and export power. To provide diversified products and better service, the company has introduced advanced technology, tooling equipment, and unique raw materials and management systems from Germany and America. Over the years, our products are widely used in the chemical industry, metallurgy, photovoltaic, nuclear power, lithium, electronic semiconductor, food, medicine, automotive, industrial water treatment and other industries in acid and alkali liquid, ultra-pure water, drinking water, electronic grade water, industrial wastewater pipeline transportation. Currently, ZHEYI Group has set up over 30 sales companies nationwide. Categories of products are exported to Europe, America, Southeast Asia and other countries and regions. Our products are welcomed by customers in domestic and international markets.

Certificate Of Honor
  • ISO 9001:2015
  • ISO 14001:2015
  • ISO 45001:2018
  • ISO 45001:2018
News
Message Feedback

SCH8O/DIN UPVC/CPVC Reducer Bushing Industry knowledge

How to correctly install UPVC/CPVC Reducer Bushing? Key steps and common mistakes to avoid

UPVC (unplasticized polyvinyl chloride) and CPVC (chlorinated polyvinyl chloride) reducer bushings are widely used in pipeline systems in different industries, such as safe drinking water, metallurgy, photovoltaic, nuclear power, electronic semiconductor, medicine, industrial water treatment and industrial wastewater. Correct installation can ensure long-term stable operation of the system and avoid leakage and material failure. The following are key steps and common mistakes:

Key installation steps

1. Material inspection and matching
Confirm the material: UPVC is suitable for normal temperature (0°C~60°C) and corrosive environment, such as industrial wastewater treatment; CPVC is resistant to high temperature (up to 93°C), suitable for high temperature scenes such as photovoltaic cooling system and nuclear power auxiliary pipeline.
Check the size: Make sure the bushing matches the pipe size to avoid installation difficulties or poor sealing due to size errors.

2. Pipe cutting and deburring
Use special cutting tools (such as PVC cutters) to ensure smooth cuts and avoid jagged edges that affect sealing.
Use sandpaper or deburring tools to clean the cuts to prevent residual debris from entering the high-purity water system of the pharmaceutical or electronic semiconductor industry.

3. Cleaning and solvent preparation
Use UPVC/CPVC special cleaner to remove oil and dust from the contact surface of the pipe and the bushing (especially in the metallurgical and industrial water treatment industries, impurities may cause corrosion or blockage).
Use matching CPVC adhesive (high temperature resistant) or UPVC adhesive to avoid mixing and causing bonding failure.

4. Gluing and installation
Evenly apply adhesive to the outer wall of the pipe and the inner wall of the bushing, quickly insert and rotate 1/4 turn to ensure even distribution of glue (suitable for high sealing requirements of nuclear power and drinking water systems).
Maintain pressure for 10-15 seconds to avoid loosening.

5. Curing and testing
Wait for curing according to the ambient temperature (usually 2 hours for UPVC and 4 hours for CPVC). The curing time needs to be extended in clean pipes in the electronic semiconductor or pharmaceutical industries.
Perform pressure testing (water pressure or air tightness testing) to ensure that there are no leaks, especially in industrial wastewater or high-temperature photovoltaic coolant systems.

Common mistakes and avoidance methods
Error 1: Failure to distinguish between UPVC and CPVC materials
Consequences: Using UPVC cores at high temperatures (such as nuclear power or metallurgical cooling systems) may cause deformation or rupture.
Solution: Select materials strictly according to the medium temperature. CPVC is suitable for environments ≥60°C.

Error 2: Improper use of adhesives
Consequences: Using ordinary PVC adhesive to bond CPVC leads to insufficient temperature resistance (such as easy failure in photovoltaic cooling circulation systems).
Solution: CPVC special adhesive must be used and ensure that it is within the validity period.

Error 3: Failure to thoroughly clean or deburr
Consequences: Impurities enter the pharmaceutical or electronic semiconductor ultrapure water pipeline and contaminate the medium.
Solution: Wipe with a dust-free cloth before installation and check the smoothness of the cut.

Error 4: Insufficient curing time
Consequence: Early water flow/pressure test causes core debonding (common in emergency repair scenarios of industrial water treatment).
Solution: Strictly wait for curing according to the instructions of the adhesive. High temperature and high humidity environment prolongs the waiting time.

Error 5: Ignoring system compatibility
Consequence: Use non-corrosion-resistant cores in acidic industrial wastewater, or directly connect to metal pipes without insulating gaskets (electrochemical corrosion).
Solution: Confirm the chemical compatibility of the medium and use transition joints when necessary.

Industry application precautions
Drinking water: NSF-certified UPVC/CPVC materials must be used to avoid toxic substances from precipitating.
Nuclear power: Select radiation-resistant CPVC and pass the seismic test.
Electronic semiconductor: The installation environment must be dust-free to avoid particle contamination of the ultrapure water system.

Don't miss out. Contact us to get the latest information!
send