PVDF Reducer Bushing

A PVDF reducer bushing is a pipe fitting that allows the connection of pipes or fittings of different diameters. To reduce the pipe size while maintaining a secure and leak-proof connection. PVDF reducer bushings are used to connect pipes with different diameters by reducing the inner diameter of the pipe. PVDF reducer bushing needs to be in good shape to reduce rapid tire wear and steering or braking problems.

PVDF reducer bushing pipe contains no pigments or other additives that could potentially contaminate the liquids being transported. Its chemical impact-resistant properties also make it ideal for severe environments. They have been widely used in various industries. However, most are not biodegradable, which is unfavorable for many industries. PVDF Reducer Bushing is a strong and stable fluoropolymer with several technical advantages. PVDF, a semi-crystalline thermoplastic, is used in applications that require the highest purity and are resistant to harsh chemicals.

PVDF Reducer Bushing Details

ID-1: Internal Diameter of the bottom opening.
OD-1: Outer Diameter of the bottom body.
WT-1: Wall Thickness of the bottom section.
SL-1: Socket Length (insertion depth) for the bottom.
ID-2: Internal Diameter of the top opening.
OD-2: Outer Diameter of the top body.
WT-2: Wall Thickness of the top section.
SL-2: Socket Length (insertion depth) for the top.
H: Total Height of the entire component.

Size (Inch)	ID-1 (mm)	OD-1 (mm)	WT-1 (mm)	SL-1 (mm)	ID-2 (mm)	OD-2 (mm)	WT-2 (mm)	SL-2 (mm)	H (mm)
¾ x ½	26.97	34.79	3.91	25.40	21.64	29.10	3.73	22.23	56
1 x ½	33.78	42.88	4.55	28.58	21.64	29.10	3.73	22.23	66
1 x ¾	33.78	42.88	4.55	28.58	26.97	34.79	3.91	25.40	65
1¼ x ½	42.55	52.25	4.85	31.75	21.64	29.10	3.73	22.23	69
1¼ x ¾	42.55	52.25	4.85	31.75	26.97	34.79	3.91	25.40	68
1¼ x 1	42.55	52.25	4.85	31.75	33.78	42.88	4.55	28.58	68
1½ x ½	48.72	58.88	5.08	34.93	21.64	29.10	3.73	22.23	74
1½ x ¾	48.72	58.88	5.08	34.93	26.97	34.79	3.91	25.40	76
1½ x 1	48.72	58.88	5.08	34.93	33.78	42.88	4.55	28.58	75
1½ x 1¼	48.72	58.88	5.08	34.93	42.55	52.25	4.85	31.75	74
2 x ½	60.78	71.86	5.54	38.10	21.64	29.10	3.73	22.23	85
2 x ¾	60.78	71.86	5.54	38.10	26.97	34.43	3.73	25.40	85
2 x 1	60.78	71.86	5.54	38.10	33.78	42.88	4.55	28.58	85
2 x 1¼	60.78	71.86	5.54	38.10	42.55	52.25	4.85	31.75	83
2 x 1½	60.78	71.86	5.54	38.10	48.72	58.88	5.08	34.93	83
2½ x 2	73.56	87.58	7.01	44.45	60.78	71.86	5.54	38.10	104
3 x 2	89.31	105.55	16.24	48.63	60.78	88.54	27.76	48.93	104
3 x 2½	89.51	104.75	7.62	47.63	—	—	—	—	—

Parameter	Specification / Details
Material	PVDF (Polyvinylidene Fluoride), virgin grade
Type	Reducer Bushing (Reducing fitting)
Function	Reduces pipe size and connects different diameters
Connection Type	Male × Female threaded / Socket × Threaded / Butt weld
Thread Standards	BSPT, BSPP, NPT (ANSI B1.20.1 / ISO standards)
Size Range	½″ to 4″ (15 mm to 110 mm), up to 12″ on request
Density	~1.75 – 1.80 g/cm³
Color	Natural white / translucent or red (UV resistant grade)
Temperature Range	-40°C to +140°C
Max Service Temperature	Up to ~140°C (short-term up to ~150°C)
Pressure Rating	PN10 – PN16 (≈10–16 bar at 20°C)
Design Stress	~1360 psi at 23°C
Tensile Strength	~35 – 50 MPa
Surface Finish	Smooth, polished, non-porous surface
Permeability	Very low (excellent barrier properties)
Flammability	Self-extinguishing (UL 94 V-0)
Standards	ASTM D3222, ASTM F437, DIN 8063, ISO 10931
Chemical Resistance	Excellent resistance to acids, salts, halogens, and solvents
Thermal Stability	Maintains strength across wide temperature range
Mechanical Strength	High strength and abrasion resistance
Corrosion Resistance	100% corrosion-free, ideal for harsh environments
Flow Performance	Smooth internal surface reduces turbulence
Leak-Proof Performance	Tight threaded or fusion joints ensure sealing
UV Resistance	Excellent outdoor durability (especially red PVDF grade)
Purity	Free from contaminants → suitable for high-purity systems
Abrasion Resistance	Good wear resistance in fluid systems
Maintenance	Low maintenance with long service life

1. Wide Temperature Range

Operating range: –40°C to +140°C
Maintains structural integrity at elevated temperatures

2. High Mechanical Strength

Good tensile and impact strength
Withstands internal pressure and mechanical stress

3. Corrosion & UV Resistant

Does not rust like metal fittings
UV stable for outdoor installations
Long service life

4. Size Reduction Capability

Efficiently connects different pipe diameters
Maintains smooth flow transition (concentric type)

5. Multiple Connection Options

Available as male-to-female threaded, socket-to-threaded, or butt-weld type
Compatible with NPT, BSPT, and BSPP standards

6. Leak-Proof Performance

Threaded or fusion-welded ends ensure tight sealing
Suitable for high-pressure and hazardous fluid systems

7. High Purity Option Available

Low extractables
Suitable for the pharmaceutical and semiconductor industries

PVDF Reducer Bushing – Pressure Rating by Size (at 20°C / 68°F)

Nominal Pipe Size	Max Working Pressure (Bar)	Max Working Pressure (PSI)	Typical SDR / Application
½” (15 mm)	16 bar	230 psi	High-pressure chemical systems
¾” (20 mm)	16 bar	230 psi	Industrial chemical piping
1″ (25 mm)	16 bar	230 psi	General process lines
1½” (40 mm)	16 bar	230 psi	Medium to high-pressure systems
2″ (50 mm)	16 bar	230 psi	Industrial process piping
3″ (80 mm)	12 bar	175 psi	Medium-pressure chemical systems
4″ (100 mm)	10 bar	145 psi	Lower-pressure lines

Temperature Derating for PVDF Reducer Bushing (Example: 16 bar @ 20°C)

Temperature (°C)	Temperature (°F)	Max Working Pressure (Bar)	Max Working Pressure (PSI)
20°C	68°F	16 bar	230 psi
30°C	86°F	14 bar	200 psi
40°C	104°F	12 bar	175 psi
50°C	122°F	10 bar	145 psi
60°C	140°F	8 bar	115 psi
80°C	176°F	5 bar	75 psi
100°C	212°F	3 bar	45 psi
120°C	248°F	1.5 bar	22 psi
140°C	284°F	0.8–1 bar	12–15 psi

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 PVDF Reducer Bushing

1. Excellent Chemical Resistance

Resistant to acids, alkalis, solvents, and corrosive chemicals
Ideal for chemical processing, water treatment, and industrial piping

2️. High Temperature Tolerance

Operates in the range –40°C to +140°C (–40°F to +284°F)
Maintains mechanical strength at elevated temperatures

3️. Leak-Proof Connection

Threaded or fusion-welded ends provide secure, tight joints
Reduces risk of leaks in high-pressure or hazardous chemical systems

4️. Lightweight & Easy Handling

Easier to transport and install than metal reducers
Reduces labor and installation costs

5️. Corrosion & UV Resistance

Does not rust or degrade under sunlight
Suitable for outdoor and industrial environments
Long service life with minimal maintenance

6️. Versatility in Connection

Can connect different pipe sizes efficiently
Available as male-to-female threaded, socket-to-threaded, or butt-weld types

7️. High Purity Options

Low extractables make it suitable for pharmaceutical, semiconductor, and high-purity water systems

8️. Strong Mechanical Properties

Can withstand internal pressure and mechanical stress
Durable for industrial piping applications

Types of PVDF Reducer Bushing

1️. Based on Thread / Connection Type

Male to Female Threaded Bushing

One end has male threads, the other female threads
Allows connection between threaded pipes of different sizes
Common in chemical and water treatment piping

Socket (Slip) to Threaded Bushing

One end is a smooth socket for fusion welding
The other end is threaded (male or female)
Provides a secure joint where welding and threaded connections meet

Butt-Weld Reducer Bushing

Both ends are designed for butt welding
Offers a strong, leak-proof connection
Suitable for high-pressure or high-purity systems

2️. Based on Shape / Diameter Reduction

Concentric Reducer Bushing

The centerline of both ends is aligned
Provides uniform flow
Ideal for general chemical and industrial piping

Eccentric Reducer Bushing

The centerline of the small end is offset
Prevents air pockets or liquid accumulation
Common in pumping lines or drainage systems

3️. Based on Application

Industrial Grade Reducer Bushings – For general chemical and water systems
High Purity (HP) Reducer Bushings – Low extractables, for pharma and semiconductor
Heavy-Duty / High-Pressure Reducer Bushings – For demanding chemical or industrial piping

Why Choose Petron Thermoplast?

When it comes to reliable components for industrial fluid handling systems, Petron Thermoplast PVDF Reducer Bushings stand out for their durability, precision, and long-term performance. Designed to meet demanding operating conditions, our PVDF Reducer Bushing ensures secure multi-directional flow distribution across a wide range of applications.