PVC Reducer

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PVC Reducer

Raw Materials: PVC
Standard: ISO 4427/ EN12201/ AS/NZS 4130/ SANS 4427/ ASTM F714/ ASTM D 3035
Size: 20mm-400mm (Can Be Customized)
Pressure: SDR11-PN16 Bar, SDR13.6-PN12.5 Bar, SDR17-PN10 Bar, SDR21-PN8 Bar, SDR26-PN6 Bar
Certificate: ISO 14001, ISO 9001, OHSAS 18001, CE BS EN 12001 Certification

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product category

PP fitting
Welding Machine

PVC Reducer is a pipe connector widely used in building water supply and drainage, agricultural irrigation, industrial fluid transportation and other fields. It is mainly used for transitional connections between different pipe diameters to ensure smooth and efficient fluid transportation. With the excellent performance of PVC materials, the reducer has outstanding performance in corrosion resistance, lightweight, low cost and other aspects, and has become an important part of modern pipeline engineering.

Core advantages of PVC Reducer

1. Excellent chemical corrosion resistance

PVC materials have strong acid and alkali resistance and salt spray resistance, and are suitable for corrosive environments such as chemical industry and sewage treatment. They are not easy to age, deform or leak after long-term use.

2. Lightweight and high strength, convenient construction

Compared with metal pipes, PVC Reducer is lighter, easier to transport and install, and can greatly reduce construction costs. It has high ring stiffness and strong compressive resistance, and is suitable for underground burial or overhead laying.

3. Smooth inner wall, low flow resistance

PVC pipes have smooth inner walls and low friction coefficients, which can reduce fluid transportation resistance and improve flow efficiency. They are suitable for long-distance water supply or sewage systems.

4. Environmentally friendly and energy-saving, long service life

PVC materials can be recycled and meet green environmental protection requirements. Under normal use conditions, the service life of PVC Reducer can reach more than 50 years, and the maintenance cost is extremely low.

5. Multiple connection methods, strong adaptability

Socket connection: suitable for PVC-U pipe system, easy installation and good sealing.

Flange connection: suitable for industrial pipe system, easy to disassemble and maintain.

Hot melt butt: suitable for HDPE and PVC composite pipes to ensure high-strength connection.

PVC Reducer (1)
PVC Reducer (1)

Main application areas

1. Building water supply and drainage system

Used for the transition of drainage pipe diameters in high-rise buildings to reduce water flow impact noise.

Adapt to PVC-UH high-performance drainage pipes of different specifications to ensure sealing and leakproof.

2. Agricultural irrigation and water-saving projects

As a pipe diameter conversion piece in the drip irrigation system to optimize water pressure distribution.

Applicable to large-diameter PVC water pipe network to improve irrigation efficiency.

3. Industrial fluid transportation

The chemical industry is used for acid-base medium transportation pipeline system.

Corrosion-resistant pipe connection in fields such as mine drainage and sewage treatment.

4. Municipal engineering and underground pipe network

Used for pipe diameter adjustment of urban rainwater and sewage pipe networks to improve drainage capacity.

Reasons for choosing PVC Reducer

1. Economical and efficient – the cost is lower than that of metal pipes, and the installation and maintenance costs are low.

2. Strong weather resistance – adapt to various climatic conditions and resist UV aging.

3. Safety and hygiene – meet drinking water standards and no risk of heavy metal precipitation.

4. Flexible customization – Supports non-standard size customization to meet special engineering needs.

What is a PVC reducer used for?

1. Pipeline system connection and adaptation

Drainage system: In building drainage and sewage systems, PVC reducers are used to connect drainage pipes of different diameters to ensure smooth transition of water flow and avoid poor drainage or blockage caused by sudden changes in pipe diameter.

Water supply system: In some low-pressure water supply systems (such as irrigation and non-drinking water supply), PVC reducers can be used to adjust the pipe diameter and optimize the water flow pressure.

2. Construction convenience

Simplified installation: When modifying or repairing pipelines, PVC reducers can reduce the steps of cutting and re-welding, quickly adapt to pipes of different diameters, and improve construction efficiency.

Space optimization: In narrow or complex pipeline systems, the use of reducers can flexibly adjust the pipe diameter and reduce space occupation.

3. Industrial and agricultural applications

Chemical pipelines: In industrial pipelines with corrosion resistance requirements, PVC reducers can be used to adjust the flow rate and flow of the conveying medium.

Agricultural irrigation: In drip irrigation or sprinkler irrigation systems, PVC reducers can be used to connect water pipes of different specifications to optimize water pressure distribution.

4. Repair and renovation

Damage repair: When the original pipeline is partially damaged, PVC reducers can be used to connect new and old pipelines to avoid overall replacement.

System upgrade: When the pipeline is expanded or downgraded, the reducer can smoothly transition between different pipe diameters, reducing water hammer effect and pressure loss.

5. Other uses

Ventilation system: In building ventilation ducts, PVC reducers can be used to adjust the duct size and optimize airflow.

PVC Reducer (3)
PVC Reducer (3)

What is the difference between PVC reducer and bushing?

Although both PVC reducers and sleeves are connectors in PVC piping systems, they are significantly different in structure, purpose, and installation. The following are the main differences between the two:

1. Function and purpose

Comparison ItemPVC Reducer (Reducing/Transition Coupling)PVC Coupling (Sleeve/Straight Connector)
Main FunctionConnects PVC pipes of different diameters for size transitionConnects PVC pipes of the same diameter to extend or repair the pipeline
Applicable Scenarios– When size reduction is needed in drainage/water supply systems
– For flow/pressure adjustment in industrial pipelines
– For adapting pipe sizes in agricultural irrigation systems
– For linear extension of pipelines
– For repairing damaged pipes
– For detachable pipe connections (e.g., union joints)

2. Structure and Appearance

Comparison ItemPVC ReducerPVC Coupling
ShapeDifferent diameters at each end (e.g., DN50 to DN40)Same diameter at both ends (e.g., DN50 to DN50)
Types– Concentric reducer (center aligned)
– Eccentric reducer (one side flat, used to prevent sediment in drainage)
– Standard coupling (fixed connection)
– Union coupling (detachable with rubber ring seal)

3. Installation Method

Comparison ItemPVC ReducerPVC Coupling
Connection MethodGluing with PVC cement or hot-melt welding– Gluing (standard coupling)
– Threaded or rubber-ring sealed (union coupling)
Need for Diameter ChangeMust match two different pipe diametersOnly needs to match a single diameter

4. Other Differences

Sealing Requirements:

Reducer: Must ensure smooth water flow at the diameter transition to avoid turbulence or blockage.

Coupling: Focuses more on tight sealing at the joint (especially in water supply systems).

Cost:

Reducers are usually slightly more expensive than standard couplings due to their more complex structure.

PVC Reducer (2)
PVC Reducer (2)

Product Specification

Product namePVC reducer
Size availableDN20 x 25mm, 32 x 25mm, 40 x 50mm, 75 x 32mm , 63 x 75mm, 90 x 75mm, 140 x 110mm, 315 x 110mm, 355 x 400mm, etc
Pressure RatingSDR11,SDR13.6,SDR17,SDR21,SDR26
MaterialPVC
Color availableWhite or Grey, or as per request
Sample availableAvailable
Joint methodSolvent Cement

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