UPVC Reducer Bushing

UPVC Reducer bushings work by supporting pipe ends of different diameters. Like all pipe connectors, they feature threading on both ends. UPVC Reducer bushings, though, are used to join male and female pipe ends.

Male pipe ends have external threading, whereas female pipe ends have internal threading. You can connect them using a single UPVC reducer bushing. UPVC Reducer bushings have male threading on one end and smaller female threading on the other end. The reducer bushing’s male threading supports the female pipe end, and the reducer bushing’s female threading supports the male pipe end.

Thread diameters for males range from 1/4″ to 4″, whereas female end thread sizes range from 1/8″ to 3“. To minimise rapid tyre wear and steering or braking problems, rubber bushes must be in good shape.

UPVC Reducer Bushing Details

ID-1 – Larger Inner Diameter
ID-2 – Smaller Inner Diameter
SL – Socket Length
L – Length
H – Height

Size (Inch)	ID-1 (mm)	ID-2 (mm)	SL (mm)	L (mm)	H (mm)
¾ x ½	26.97	21.64	22.23	34	28
1 x ½	33.78	21.64	22.23	43	32
1 x ¾	33.78	26.97	25.40	43	32
1¼ x ½	42.55	21.64	22.23	53	35
1¼ x ¾	42.55	26.97	25.40	53	35
1¼ x 1	42.55	33.78	28.58	53	35
1½ x ½	48.72	21.64	22.23	58	37
1½ x ¾	48.72	26.97	25.40	58	37
1½ x 1	48.72	33.78	28.58	58	37
1½ x 1¼	48.72	42.55	31.75	58	37
1½ x 1½	48.72	48.72	22.23	58	37
2 x ¾	60.78	26.97	25.40	72	43
2 x 1	60.78	33.78	28.58	72	43
2 x 1¼	60.78	42.55	31.75	72	43
2 x 1½	60.78	48.72	34.93	72	43
2½ x 2 (CTS)	73.56	60.78	38.10	80	56
2½ x 2	73.56	60.78	38.10	80	56
3 x 2 (CTS)	89.50	60.78	38.10	98	56
3 x 2	89.50	60.78	38.10	98	56
3 x 2½	89.50	73.56	44.45	98	56
4 x 2 (CTS)	114.99	60.78	38.10	123	66
4 x 2	114.99	60.78	38.10	123	66
4 x 2½	114.99	73.56	44.45	123	66
4 x 3	114.99	89.50	47.63	123	66
6 x 3	167.92	89.31	48.00	170.8	85.5
6 x 4	167.92	114.76	51.00	170.8	85.5

Parameter	Specification / Description
Product Name	uPVC Reducer Bushing
Material	Unplasticized Polyvinyl Chloride (uPVC)
Color	White / Grey (standard)
Connection Type	Socket × Socket (Solvent Cement Joint)
Function	Reduces pipe size from larger to smaller diameter
Nominal Size Range	Common: ½” × ¾” to 4″ × 2″ (15 mm × 20 mm to 110 mm × 50 mm)
Pressure Rating	PN 6, PN 10, PN 16 (as per pipe class)
Temperature Range	0°C to 60°C (operating)
Standards	ASTM D2466, IS 12818, ISO 1452, BS 4346
Chemical Resistance	Excellent against acids, alkalis, and salts
Corrosion Resistance	100% corrosion-free
Installation Method	Solvent welding
Surface Finish	Smooth internal & external surface
Application	Chemical, water supply, irrigation, and industrial piping
Durability	Long service life (50+ years typical)
Weight	Lightweight and easy to handle

Design and Configuration: UPVC reducing bushes have two female-threaded ends with different diameters. The larger end is threaded to match the larger pipe’s diameter, while the smaller end is threaded to match the smaller pipe’s diameter. This design allows for the pipes to be connected end-to-end, providing a smooth transition between the different diameters.
Size and Variations: UPVC Reducing bushes come in various size combinations to accommodate different pipe diameter transitions. For example, a 3/4″ x 1/2″ reducing bush would have a 3/4″ female thread on one end and a 1/2″ female thread on the other.
Material Composition: UPVC Reducing bushes are made from a variety of materials, including Bronze, Brass, Stainless Steel, plastic, and other alloys. The material choice depends on factors such as the fluid being transported, compatibility with other materials, and environmental conditions.
Applications: UPVC reducing bushes are used in various applications, including chemical systems, industrial processes, and other fluid transportation systems where pipes with different diameters need to be connected.
Pressure and Temperature Ratings: The pressure and temperature ratings of reducing bushes depend on the material, design, and size of the fitting. Ensure that the chosen reducing bushes are suitable for the intended working conditions.

Pipe Class / PN	Maximum Working Pressure @ 27°C	Equivalent (psi)
PN 6	6 bar	87 psi
PN 8	8 bar	116 psi
PN 10	10 bar	145 psi
PN 12.5	12.5 bar	181 psi
PN 16	16 bar	232 psi

Property	Typical Value / Description
Material	Unplasticized Polyvinyl Chloride (uPVC)
Color	White / Grey (standard)
Density	~1.38–1.45 g/cm³
Surface Finish	Smooth internal & external surface
Weight	Lightweight, easy to handle
Hardness	Rigid / high-dimensional stability
Water Absorption	< 0.1%
Odor	Odorless
Taste	Non-toxic (safe for potable water)
Flammability	Self-extinguishing
UV Resistance	Moderate (UV-stabilized grade recommended)
Corrosion Resistance	Excellent – resistant to acids, alkalis, salts
Thermal Conductivity	Low
Dimensional Stability	High – maintains shape under normal operating conditions
Mechanical Strength	Sufficient for PN 6, PN 10, PN 16 pressure systems

If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.

Benefits of Using UPVC Reducer Bushings

Corrosion-free

does not rust or scale, suitable for chemical lines

Lightweight

easy to handle, transport, and install

Durable

long service life, resistant to wear and tear

Versatile

Used in chemical, irrigation, industrial piping, and water supply.

Cost-effective

cheaper than metal or CPVC alternatives

Chemical resistant

can handle acids, alkalis, and salts

Smooth internal surface

Reduces friction and ensures efficient fluid flow

UV resistant

Suitable for outdoor use if UV-stabilized grade

Leak-proof joints

Solvent-weld connection provides tight sealing

Non-toxic

Safe for potable water applications

Low maintenance

Minimal repair or replacement needed

Wide pressure range

Available for PN 6, PN 10, PN 16 systems

Types and Uses of UPVC Reducer Bushing

Types of UPVC Reducer Bushing

1. Reducing Bushing

Reducing bushings are designed to connect two pipes of different diameters. They come in various materials, including copper and galvanized steel, and are commonly used in chemical and HVAC systems. Their primary purpose is to facilitate the flow of liquids or gases while preventing leaks.

2. Reducción Campana

Often confused with reducing bushings, reducción campana connectors are also used to join pipes of different sizes. However, their structure is broader and designed to fit over another pipe, allowing for a secure fit. Understanding the difference is essential for proper installation.

3. Bushing Cementates

These bushings are specifically designed for PVC pipes and are cemented in place. They provide a reliable seal, making them ideal for drainage and waste systems where durability is required.

4. Galvanized Reducing Bushing

Made from galvanized steel, these bushings are suitable for heavy-duty applications. They resist corrosion and are often used in industrial settings where robust connections are necessary.

5. Mixed Reductions

Mixed reductions combine different connection types and materials. They are versatile and can be used in various applications, making them a popular choice for complex piping systems.

Uses of UPVC Reducer Bushing

Industrial Machinery

UPVC Reducer bushings are used to connect shafts of different diameters in conveyor systems, gearboxes, and motors. They help in aligning components accurately, reducing vibration, and extending equipment lifespan. For example, in a manufacturing plant, a reducer bushing might connect a large drive shaft to a smaller gear, ensuring smooth power transmission.

Hydraulic and Piping Systems

In hydraulic applications, Upvc reducer bushings connect pipes of varying sizes, preventing leaks and ensuring fluid flow efficiency. For instance, in oil refineries, they facilitate the connection of pipes with different diameters, maintaining system integrity under high pressure.

Automotive Sector

UPVC Reducer bushings are used in vehicle assemblies to adapt different-sized components, such as connecting exhaust pipes or suspension parts. They contribute to vehicle safety and performance by providing secure and precise connections.

Aerospace

In aerospace manufacturing, reducer bushings connect various components within engines and structural assemblies, where precision and durability are critical. They help in reducing vibration and ensuring tight fits under extreme conditions.

Why Choose Petron Thermoplast?

Petron Thermoplast is a trusted manufacturer and supplier of high-quality UPVC Reducer Bushing, engineered to deliver reliable filtration, long service life, and consistent performance across demanding industrial applications. Our products are designed to meet the needs of EPC contractors, OEMs, and process industries worldwide.

Proven Manufacturing Expertise

With years of experience in thermoplastic engineering, Petron Thermoplast produces UPVC Reducer Bushings that meet strict dimensional accuracy, pressure ratings, and quality benchmarks.

Superior UPVC Material Quality

Our UPVC Reducer Bushings are manufactured using premium-grade, corrosion-resistant UPVC, ensuring excellent performance in chemical, industrial, and water fluid handling systems.

Precision-Engineered Strainer Elements

Each Reducer Bushing is equipped with a high-strength, removable screen designed for efficient particle filtration while maintaining optimal flow rates.

UPVC Pipe Fittings

We offer UPVC Pipe Fittings products in all standard sizes and provide complete customization options to meet your specific project requirements across our entire product range.