PVDF Purge Tube
Petron Thermoplast is a leading manufacturer and supplier of premium-quality PVDF Purge Tubes designed for high-purity and corrosive fluid handling applications. Manufactured from superior-grade Polyvinylidene Fluoride (PVDF), our purge tubes deliver exceptional chemical resistance, high-temperature performance, and long-term reliability in demanding industrial environments.
PVDF purge tubes are widely used in chemical processing, semiconductor manufacturing, pharmaceutical production, water treatment systems, and analytical instrumentation where contamination-free fluid transfer and superior chemical compatibility are critical. At Petron Thermoplast, we manufacture precision-engineered PVDF purge tubes in standard and customized configurations to meet the diverse requirements of industrial and process industries worldwide.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
PVDF Purge Tube Details
Item | Description | Symbol | Dimension (mm) |
1 | Total Overall Length | L1 | 1,599.79 |
2 | Length from Tube End to Front of Flange | L2 | 250.00 |
3 | Length from Flange to First Support Ring | L3 | 600.00 |
4 | Distance Between Support Rings | L4 | 410.00 |
5 | Length from Last Support Ring to Tube End | L5 | 339.79 |
6 | Purge Tube Outside Diameter | OD | Ø25.00 |
7 | Purge Tube Radius Reference | R | R34.00 |
8 | Distance Between Purge Tube Centers | C-C | 62.00 |
9 | Purge Tube Projection from Flange Face | P | 48.00 |
10 | Flange Outside Diameter | D1 | Ø254.00 |
11 | Flange Thickness | TF | 20.00 |
12 | Mounting Hole Diameter | H | Ø23.50 |
13 | Number of Mounting Holes | N | 8 Nos. |
14 | Purge Tube Hole Diameter in Flange | TH | Ø25.00 |
15 | Support Ring Width | SRW | Approx. 20.00 |
16 | Extension Beyond Last Support Ring | EXT | 29.93 |
17 | Number of Purge Tubes | PT | 2 Nos. |
18 | Material of Construction | MOC | Virgin PVDF |
19 | Operating Temperature Range | Temp | -40°C to +140°C |
20 | Manufacturing Process | Process | CNC Machined & Fabricated |
Flange Details
Parameter | Value |
Flange Type | Circular Mounting Flange |
Outside Diameter | Ø254 mm |
Mounting Holes | 8 Nos. |
Hole Diameter | Ø23.50 mm |
Purge Tube Ports | 2 Nos. |
Purge Tube Diameter | Ø25 mm |
Flange Thickness | 20 mm |
Material | PVDF |
General Specifications
Parameter | Specification |
Product Name | PVDF Purge Tube Assembly |
Application | Pickling Line Purge and Venting System |
Construction | Dual Purge Tube with Flanged Assembly |
Surface Finish | Smooth Machined Finish |
Chemical Resistance | Excellent |
UV Resistance | Excellent |
Corrosion Resistance | Outstanding |
Service Life | Long-Term Industrial Performance |
Installation Orientation | Horizontal Installation |
Customization | Available as per Customer Drawing and Specifications |
Parameter | Specification |
Product Name | PVDF Purge Tube Assembly |
Material | Virgin Polyvinylidene Fluoride (PVDF) |
Construction Type | Flanged Purge Tube Assembly with Dual Purge Tubes |
Manufacturing Process | CNC Machined and Fabricated Assembly |
Color | Natural White / Off White |
Mounting Type | Flanged Mounting |
Number of Mounting Holes | 8 Holes (Equally Spaced on PCD) |
Connection Configuration | Dual Tube Purge Arrangement |
Available Sizes | DN50 to DN300 (Custom Sizes Available) |
Purge Tube Diameter | Ø10 mm to Ø25 mm |
Flange Outer Diameter | As per DIN / ANSI / JIS Standards |
Flange Thickness | 12 mm to 25 mm |
Overall Assembly Length | 150 mm to 600 mm |
Operating Temperature | -40°C to +140°C |
Density | 1.77 – 1.80 g/cm³ |
Tensile Strength | 40 – 55 MPa |
Flexural Strength | 60 – 80 MPa |
Elongation at Break | 20 – 50% |
Impact Strength | 8 – 12 kJ/m² |
Water Absorption | Less than 0.05% |
Thermal Conductivity | Approximately 0.19 W/m·K |
UV Resistance | Excellent |
Weather Resistance | Excellent |
Chemical Resistance | Excellent |
Abrasion Resistance | Excellent |
Purity Level | High Purity Material |
Surface Finish | Smooth Internal and External Finish |
Pressure Capability | Depends on Size and Operating Temperature |
Chemical Compatibility | Acids, Alkalis, Solvents, Oxidizing Agents, Corrosive Media |
Service Life | Long-Term Industrial Performance |
Installation Orientation | Horizontal and Vertical Installation |
Customization Options | Sizes, Lengths, Tube Diameters, Flange Standards, Thicknesses |
Applicable Standards | ASTM, ISO, DIN, ANSI, JIS |
Applications | Purging Systems, Vent Systems, Chemical Transfer, Drain Lines, High-Purity Fluid Handling |
Inspection | 100% Visual and Dimensional Inspection |
Documentation | Material Test Certificate (MTC) and Inspection Reports Available |
Key Features of PVDF Purge Tube Assembly
High-Performance PVDF Construction
Manufactured from premium virgin Polyvinylidene Fluoride (PVDF) material, ensuring exceptional durability and long-term operational reliability.
Excellent Chemical Resistance
Provides outstanding resistance to acids, alkalis, solvents, oxidizing agents, and highly corrosive process chemicals.
Superior Temperature Stability
Designed to perform efficiently in demanding environments with operating temperatures ranging from -40°C to +140°C.
High Purity Material
Low extractable properties make the assembly suitable for ultra-pure fluid handling and contamination-sensitive applications.
Corrosion-Free Performance
Unlike metallic components, PVDF does not rust, corrode, scale, or degrade when exposed to aggressive chemicals.
Excellent Mechanical Strength
Offers high tensile strength, impact resistance, and dimensional stability for demanding industrial applications.
Dual Purge Tube Configuration
Engineered with multiple purge tubes to provide efficient venting, purging, draining, and fluid transfer operations.
Precision Machined Flange Design
Manufactured with accurately machined flange faces and bolt patterns for secure installation and leak-free performance.
Smooth Internal Surface Finish
The smooth bore minimizes pressure drop, reduces particle accumulation, and improves flow efficiency.
Lightweight Construction
Significantly lighter than metallic assemblies, making handling, transportation, and installation easier.
Excellent UV and Weather Resistance
Suitable for both indoor and outdoor installations with excellent resistance to environmental degradation.
Low Maintenance Requirements
The non-corrosive and chemically resistant properties reduce maintenance frequency and operational costs.
Excellent Dimensional Stability
Maintains its structural integrity and dimensional accuracy even under varying operating conditions.
Custom Manufacturing Capability
Available in customized flange sizes, tube diameters, lengths, wall thicknesses, and connection configurations according to project requirements.
Long Service Life
Designed to provide reliable and maintenance-free operation for extended periods in aggressive industrial environments.
Broad Industrial Compatibility
Suitable for chemical processing plants, pharmaceutical facilities, semiconductor manufacturing, water treatment systems, electroplating industries, and high-purity process applications.
Tube Size (OD × Wall Thickness) | Working Pressure at 23°C | Working Pressure at 50°C | Working Pressure at 80°C | Working Pressure at 100°C |
6 mm × 1 mm | 16 Bar | 12 Bar | 8 Bar | 5 Bar |
8 mm × 1 mm | 16 Bar | 12 Bar | 8 Bar | 5 Bar |
10 mm × 1.5 mm | 16 Bar | 12 Bar | 8 Bar | 5 Bar |
12 mm × 1.5 mm | 16 Bar | 12 Bar | 8 Bar | 5 Bar |
16 mm × 2 mm | 12 Bar | 9 Bar | 6 Bar | 4 Bar |
20 mm × 2 mm | 10 Bar | 8 Bar | 5 Bar | 3 Bar |
25 mm × 2.5 mm | 10 Bar | 7 Bar | 5 Bar | 3 Bar |
32 mm × 3 mm | 8 Bar | 6 Bar | 4 Bar | 2.5 Bar |
40 mm × 4 mm | 6 Bar | 5 Bar | 3 Bar | 2 Bar |
50 mm × 5 mm | 5 Bar | 4 Bar | 2.5 Bar | 1.5 Bar |
63 mm × 6 mm | 4 Bar | 3 Bar | 2 Bar | 1 Bar |
Custom Product Manufacturing Available
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 Purge Tube
Excellent Chemical Resistance
Resistant to strong acids, alkalis, solvents, and halogens, making it ideal for highly corrosive services.
High Temperature Capability
Performs reliably up to 120°C, higher than PP and uPVC alternatives.
Corrosion-Free Material
Completely immune to rust, pitting, scaling, and galvanic corrosion.
Excellent UV Resistance
Suitable for both indoor and outdoor installations without degradation.
High Purity & Non-Contaminating
Suitable for pharmaceutical, semiconductor, and ultrapure chemical systems.
Lightweight Construction
Significantly lighter than metal blind flanges, reducing handling and installation effort.
Long Service Life
Maintains mechanical strength and chemical resistance over extended operating periods.
Low Maintenance
No coating, painting, or corrosion protection required
Thermal & Electrical Insulation
Low thermal conductivity and electrically non-conductive material enhance safety.
Easy Installation
Compatible with standard DIN / ANSI / ISO bolt patterns.
Leak-Proof Sealing
Flat-face design ensures effective gasket sealing.
Cost-Effective Over Lifecycle
Lower maintenance and replacement costs compared to metal flanges in corrosive environments.
Why Choose Petron Thermoplast?
At Petron Thermoplast, we specialize in manufacturing precision-engineered PVDF Purge Tubes according to global standards.
Our advantages include:
Accurate machining and flat sealing faces
Full range from Class 150 to Class 2500
Materials certified to ASTM, EN, and ISO standards
Optional RTJ, FF, or RF face types
Quick delivery and custom production
Whether for a large infrastructure project or a small-scale pipeline system, Petron Thermoplast is your trusted partner for high-quality PVDF Purge Tubes.
