PPH Reducer Bushing

A PPH Reducer Bushing is a pipe fitting made from Polypropylene Homopolymer (PPH) that is used to reduce the size of a pipe connection by joining a larger diameter fitting to a smaller diameter pipe.PPH Reducer Bushing is used to join metal pipes with different diameters by reducing the pipe’s inner diameter. PPH Reducer bushing with male and female NPT threaded ends are available from Pressure Connections & Hose and Fittings (SHF).

It is a small fitting inserted into a larger fitting to connect a smaller pipe, allowing smooth transition between different pipe sizes.Thread diameters for males range from 1/2″ to 10″, whereas female end thread sizes range from 1/2″ to 10″. To minimise rapid tyre wear and steering or braking problems, rubber bushes must be in good shape. PPH Reducer Bushing is mainly manufactured & produced by Petron Thermoplast.PPH Pipe Reducer and other hydraulic fittings. A PPH reducer bushing is a zinc or brass component that screws into a port and then has a threaded hole, allowing 3/4-inch fittings to be used in 1-inch ports

PPH 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 / Property	Details & Specifications
Material	Polypropylene Homopolymer (PPH)
Function	Reduces pipe size (large to small connection)
Design Type	Insert-type (male × female / socket type)
Size Range	½″ × ¾″ to 10″ × 8″ (metric equivalents available)
Connection Type	Threaded (male/female) or Socket Weld
Manufacturing Process	Injection molded
Standards	DIN, ISO, ASTM
Pressure Rating	Typically up to PN10 (10 bar) at 20°C
Temperature Range	Approx. -5°C to +90°C (continuous service)
Color	Ral Grey or Natural (Off-White)
Installation Method	Threading or Fusion welding
Density	~0.90 – 0.91 g/cm³
Tensile Strength	~30 – 35 MPa
Flexural Strength	~45 MPa
Elongation at Break	>50%
Melting Temperature	~160 – 165°C
Max. Service Temp.	Up to 100°C
Water Absorption	<0.01% (extremely low)
Thermal Conductivity	~0.22 W/m·K

1. Size Reduction Capability

Efficiently connects different pipe diameters
Ensures smooth transition from larger to smaller pipe size

2. Excellent Chemical Resistance

Resistant to acids, alkalis, and corrosive fluids
Suitable for aggressive chemical environments

3. Corrosion-Free Performance

Does not rust, scale, or degrade over time
Ideal replacement for metal fittings in harsh conditions

4. High Temperature Stability

Can operate efficiently at elevated temperatures (up to ~100°C)
Maintains strength under thermal stress

5. Strong and Durable Construction

High mechanical strength and rigidity
Suitable for pressure and load-bearing applications

6. Lightweight Design

Easy to handle, transport, and install
Reduces installation effort and cost

7. Leak-Proof Connection

Provides tight sealing with threaded or welded joints
Ensures reliable and secure piping systems

8. Smooth Internal Surface

Minimizes friction and pressure loss
Ensures efficient fluid flow

9. Easy Installation & Compatibility

Compatible with socket fusion, butt welding, and threaded systems
Flexible for different piping configurations

10. Long Service Life

High resistance to wear, chemicals, and environmental conditions
Requires minimal maintenance over time

Category / Parameter	Details & Values
Standard PPH Equal Tee	PN 10 (10 bar)
PPH Reducing Tee	PN 10 (10 bar)
Heavy Duty / Thick Wall Tee	PN 16 (16 bar)
Large Diameter Tee	PN 6 (6 bar)
Size Range: 20 mm – 63 mm	10 – 12.5 bar
Size Range: 75 mm – 110 mm	6 – 10 bar
Size Range: Above 110 mm	4 – 6 bar
Pressure Capacity @ 20°C	100% (10 bar)
Pressure Capacity @ 40°C	~80% (8 bar)
Pressure Capacity @ 60°C	~70% (6–7 bar)
Pressure Capacity @ 80°C	~50% (5 bar)
Pressure Capacity @ 100°C	~20% – 30% (2–3 bar)

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 PPH Reducer Bushing

1. Excellent Chemical Resistance

Resistant to acids, alkalis, and corrosive chemicals
Suitable for aggressive industrial environments

2. Corrosion-Free Performance

Does not rust, scale, or degrade like metal fittings
Ensures long-lasting performance in harsh conditions

3. Lightweight and Easy Installation

Much lighter than metal tees
Easy to handle, transport, and install

4. High Temperature Resistance

Can withstand temperatures up to ~90–100°C
Suitable for hot fluid applications

5. Good Mechanical Strength

High tensile strength and rigidity
Withstands pressure and mechanical loads effectively

6. Leak-Proof and Secure Connection

Provides tight and reliable joints (threaded or socket)
Reduces chances of leakage in piping systems

7. Long Service Life

Durable material with resistance to wear and chemical attack
Requires minimal maintenance over time

8. Smooth Flow Characteristics

Smooth internal surface reduces friction and pressure loss
Improves overall system efficiency

9. Cost-Effective Solution

Lower installation and maintenance costs
Eliminates need for corrosion protection or coatings

10. Versatile Application

Suitable for chemical plants, water treatment, and industrial piping systems
Compatible with various pipe sizes and configurations

Types of PPH Reducer Bushing

Threaded Reducer Bushing (Male × Female)

External male thread on one side and internal female thread on the other
Most commonly used type
Easy to install and remove
Used in maintenance-friendly systems

Socket (Slip) Type Reducer Bushing

One side fits into a socket (slip connection)
Joined using fusion welding
Provides strong, leak-proof permanent joints

Spigot × Socket Reducer Bushing

One end is spigot (plain) and the other is socket
Used in fusion welding systems
Common in industrial piping

Hex Reducer Bushing

Hexagonal outer shape for easy tightening with tools
Common in threaded installations

Flush (Compact) Reducer Bushing

Flat and compact design
Used where space is limited
Fits inside fittings without protruding

Industrial PPH Reducer Bushing

Used in chemical, water treatment, and industrial pipelines
High chemical and temperature resistance

High-Purity Reducer Bushing

Used in pharmaceutical and food-grade systems
Ensures contamination-free flow

Male × Female Type

Standard reducing bushing design
External thread (large size) + internal thread (small size)

Socket × Threaded Type

One side socket weld, other threaded
Used where mixed connection is required

Applications of PPH Reducer Bushing

Process Industry

High Purity Applications

Electronic Industry

Electrical Industry

Semi-conductors Industry

Pharmaceutical Industry

Solar power panels

Sugar Industry

Paper & Pulp Industry

Nuclear Power Industry

Automotive Industry

DI water plants

Why Choose Petron Thermoplast?

Petron Thermoplast is your go to solution for the PPH Reducer Bushing when you need precise flow control in industrial applications. They create higher pressure drops than some alternatives, but that tortuous flow path is exactly what gives them their incredible throttling capability.

Use Petron Thermoplast PPH Reducer Bushing when: