PVDF Socket

A PVDF Socket is designed to connect a pipe end to another pipe or fitting by inserting the pipe into the socket opening. Manufactured from high-grade Polyvinylidene Fluoride (PVDF) resin, the socket fitting offers excellent chemical resistance, mechanical strength, and thermal stability. It is widely used in chemical processing, pharmaceutical manufacturing, semiconductor production, and ultrapure chemical systems where durability and contamination-free performance are crucial.

The PVDF Socket is a precision-engineered pipe fitting designed to join PVDF pipes through socket fusion welding, providing a secure, leak-proof connection in high-purity and corrosive fluid systems. They also connect PVDF pipes without threading or flanges. PVDF Socket is used in chemical, pharmaceutical, and high-purity water systems to ensure strong mechanical and chemical resistance in pipeline systems.

PVDF Socket Details

d – Outer diameter of the pipe or the inner diameter of the socket
PN – Pressure Nominal
A – Socket depth
B – Total length of the coupler or socket fitting from end to end.
Z – Wall thickness

D	PN	A	B	Z
20	16	28	36	7
25	16	33	40	8
32	16	42	44	8
40	16	51	49	8
50	16	63	55	8
63	16	77	64	9
75	16	90	72	10
90	16	108	79	8
110	16	131	94	11

Parameter	Details
Product Type	Socket (Pipe Fitting)
Material	Polyvinylidene Fluoride (PVDF)
Manufacturing Method	Injection moulded
Connection Type	Socket fusion welding
Available Sizes	DN15 to DN300 (½″ to 12″)
Pressure Rating	Up to PN16 (16 bar)
Operating Temperature	-20°C to +120°C (up to ~140°C intermittent)
Density (Specific Gravity)	~1.75 – 1.78 g/cm³
Tensile Strength	~35 – 52 MPa (grade dependent)
Elongation at Break	≥ 50%
Flexural Strength	~80 MPa
Modulus of Elasticity	~1000 – 2200 MPa
Thermal Conductivity	Low (~0.19–0.20 W/m·K typical)
Coefficient of Expansion	~1.2 × 10⁻⁴ /K
Chemical Resistance	Excellent (acids, bases, solvents)
Surface Finish	Smooth internal surface (low friction)
Color	Natural white / Translucent
UV Resistance	Excellent (suitable for outdoor use)
Standards Compliance	ASTM D3222, ISO 10931, DIN 8077/8078
Joining Method Principle	Pipe inserted and fused using heat (socket welding)
Applications	Chemical processing, pharma, semiconductor, water treatment

Excellent Chemical Resistance: Ideal for aggressive chemicals, acids, alkalis, and solvents.
High Purity Material: Virgin PVDF ensures contamination-free fluid handling.
Reliable Fusion Joint: Socket fusion welding creates strong, leak-proof connections.
Thermal Stability: Suitable for continuous service at temperatures up to 120°C.
UV and Weather Resistant: Can be used for both indoor and outdoor piping systems.
Corrosion Resistant: Long-lasting performance in harsh chemical environments.
Smooth Internal Surface: Minimizes pressure drop and scaling.

Temperature (°C)	PN16 System (SDR 21)	PN20 System (SDR 17)
20°C	16 bar	20 bar
30°C	14 bar	17 bar
40°C	12 bar	15 bar
50°C	10 bar	13 bar
60°C	8 bar	11 bar
80°C	5 – 6 bar	7 – 8 bar
100°C	3 – 4 bar	5 bar
120°C	1 – 2 bar	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 PVDF Socket

1. Strong, Leak-Proof Connections

Provides a permanent, high-strength joint using socket fusion welding.
Reduces the risk of leaks compared to threaded or mechanical joints.

2. Excellent Chemical Resistance

Resistant to acids, alkalis, solvents, and corrosive fluids.
Ideal for chemical processing, pharma, and high-purity applications.

3. High Temperature Capability

Can withstand temperatures up to 120–140°C depending on PVDF grade.
Maintains mechanical strength under elevated temperatures.

4. Corrosion-Free & Durable

Does not rust or corrode like metal fittings.
Reduces maintenance costs and extends service life.

5. Smooth Internal Surface

Lowers friction loss and pressure drop.
Minimizes scaling and buildup inside the pipeline.

6. Easy Installation

Lightweight compared to metal fittings.
Compatible with socket fusion welding, simple and fast to install.

7. Suitable for High-Purity Applications

Ideal for pharmaceutical, semiconductor, and ultra-pure water systems.

Types of PVDF Socket

1. Based on Connection Type

Socket Fusion PVDF Socket

Pipe end is inserted into the socket and fused using heat.
Creates a permanent, leak-proof joint.
The most common type is in the chemical and pharmaceutical industries.

Threaded PVDF Socket

Female or male threaded ends.
Can be screwed onto pipes or fittings.
Suitable for low-pressure or temporary connections.

Flanged PVDF Socket

Socket with flanged end for bolted connection.
Used for large-diameter pipelines.
Allows easy dismantling for maintenance or inspection.

2. Based on Pressure Rating

PN10
PN16
PN20
SDR-based (SDR 21, SDR 17, etc.)

3. Based on Application Grade

Industrial Chemical Grade – Standard chemical handling.
High Purity (HP) Grade – Ultra-pure water, pharma, semiconductor applications.

UV-Stabilized Grade – Suitable for outdoor exposure.

4. Based on Size Range

Small diameter (10–50 mm) – Often socket fusion.
Medium diameter (50–110 mm) – Socket fusion or threaded.
Large diameter (>110 mm) – Flanged sockets.

Applications of PVDF Socket

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?

PVDF Socket keeps connections simple and cost-effective. Selecting the right type depends on your PVDF Socket setup, material, and pressure requirements. At Petron Thermoplast, we manufacture PVDF sockets that meet ASME and MSS standards.