Stainless Steel Tubes with PE Coating

Franta Stainless Steel Tubes with PE Coating combine a stainless steel base tube with an external PE protective layer, providing a hygienic, corrosion-resistant, and durable solution for indoor hot and cold water systems. Suitable for concealed installation, residential and commercial buildings, renovation projects, and compatible with both single-press and double-press fitting systems.

Material: 304,316L
Standard: EN10312
Pipe Type: Stainless Steel Tubes with PE Coating

Multiple materials available

Complete specifications

Project Engineering Adaptation

Comprehensive product lineup

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Product Description
Product Specifications
Manufacturing Process
Quality Inspection
Packaging and Delivery

Product Introduction
Franta Stainless Steel Tubes with PE Coating are protective pipe products developed on the basis of stainless steel tubes. The tube body keeps the advantages of stainless steel such as hygiene, corrosion resistance, high strength and smooth inner wall, while the outer PE coating provides additional external protection for indoor water systems.
This product is suitable for cold and hot water systems, concealed or semi-concealed installation, pipe shafts, ceilings, residential buildings, apartments, commercial buildings and renovation projects. For international supply, Franta can provide PE coated tubes matched with both single-press and double-press press fittings according to customer and project requirements.
Product Features
Stainless Steel Base Tube
The inner pipe uses stainless steel material, supporting clean water delivery and reducing the risk of corrosion-related secondary pollution.
PE Coating Protection
The external PE coating helps reduce direct contact between the stainless steel tube and the surrounding installation environment, providing additional protection for indoor applications.
Suitable for Concealed Installation
The coated structure is suitable for walls, ceilings, pipe shafts and other indoor spaces where the pipe needs additional external protection.
Helps Reduce Condensation
The coating provides a certain level of separation between the pipe surface and surrounding air, helping reduce condensation issues in temperature-difference environments.
Clean and Unified Appearance
The coated outer layer gives the pipe a more unified appearance and can support system identification according to project requirements.
Single-Press and Double-Press Compatible
The tube can be matched with Franta press fittings in single-press or double-press configurations for export projects and different installation habits.
System-Ready for Multiple Spaces
It can be used with fittings, valves, brackets, manifolds and accessories for residential, commercial and light commercial water systems.
Applications
1. Residential Water Systems
Suitable for apartments, villas, residential buildings and home water systems, especially for cold and hot water piping, purified water pipelines and concealed indoor water supply.
2. Commercial Buildings
Suitable for hotels, offices, shops, restaurants and commercial complexes where indoor water pipes need protection, clean appearance and long-term stability.
3. Concealed and Indoor Piping
Suitable for wall, ceiling, shaft and cabinet spaces. The PE coating helps protect the tube from external contact and supports cleaner installation management.
4. Hot and Cold Water Identification
The coating can support project-based color or appearance management for hot and cold water routes, depending on customer specification and actual product options.
5. Renovation and Replacement Projects
Suitable for upgrading old piping systems in residential and commercial buildings, reducing concerns about pipe corrosion, scaling and future maintenance.
6. Light Commercial Water Use
Suitable for restaurants, beauty salons, small shops and service spaces that need hygienic, durable and well-protected indoor water pipelines.
Connection and System Compatibility
Stainless Steel Tubes with PE Coating can be supplied as part of a complete Franta press connection system. For overseas markets, both single-press and double-press matching solutions can be provided.
The coating color, pipe size, material grade and matching fitting type should be confirmed according to the target market, customer requirement, local installation habit and project specification.
FAQ
Q1. What is a stainless steel tube with PE coating?
It is a stainless steel base tube with an external PE protective coating designed for indoor water systems and protected installation environments.
Q2. What is the main function of the PE coating?
The PE coating provides external protection, helps reduce direct contact with surrounding materials and can assist in condensation reduction.
Q3. Is it suitable for concealed installation?
Yes. It is suitable for walls, ceilings, pipe shafts and other indoor spaces where external pipe protection is required.
Q4. Can it be used for hot and cold water?
Yes. It can be used for cold and hot water systems according to project design and product specification.
Q5. Can it match single-press and double-press fittings?
Yes. Franta can provide matching single-press and double-press press fittings for international projects.
Q6. What is the common size range?
This product can be presented with DN15-DN100 as the common range. Final dimensions should be confirmed according to the official product parameter table.
Q7. Can the coating color be customized?
Coating color or appearance should be confirmed with Franta according to project requirements and available product options.
Q8. How is it different from stainless steel tube?
The main difference is the external PE coating. Stainless Steel Tube has a bare stainless steel surface, while PE coated tube provides additional outer protection.
Q9. Can it be used in renovation projects?
Yes. It is suitable for indoor pipe replacement and water system upgrade projects.
Q10. What information is needed for inquiry?
Please provide size, material, coating requirement, quantity, application, connection type and delivery location.
OD (mm) Wall Thickness (mm) PE Coating Thickness (mm) Length (mm)
15 1.0 0.8 6000
18 1.0 1.0 6000
22 1.2 1.0 6000
28 1.2 1.0 6000
35 1.5 1.2 6000
42 1.5 1.2 6000
54 1.5 1.2 6000
Zhejiang Franta Co., Ltd. has established a standardized production and quality management system. According to the structure, material, and application requirements of different products, the company implements comprehensive process control covering raw materials, forming and machining, welding, heat treatment, surface treatment, cleaning, inspection, and packaging to ensure consistent product quality and meet the requirements of building water supply and drainage systems, domestic water supply, and related engineering applications.
Process Flow Reference
Process Description
Franta develops corresponding manufacturing processes and inspection requirements for different product categories, with standardized control over materials, dimensional accuracy, processing quality, surface condition, and finished product performance. For products subject to specific process requirements, processes such as gas-shielded welding, solution heat treatment, pickling and passivation, and ultrasonic cleaning are applied to further improve product stability, corrosion resistance, and surface cleanliness.
Franta has established a quality inspection system covering raw materials, production processes, and finished products. According to the structure and application requirements of different products, the company conducts appropriate inspections of material, dimensions, appearance, key performance, and finished product condition to ensure that products meet relevant product standards and internal quality control requirements before shipment.
Common Quality Control Items
Material Inspection
Inspection and verification of raw material composition and related material properties.
Dimensional Accuracy Inspection
Inspection of key product dimensions, specifications, and processing accuracy.
Surface Quality Inspection
Inspection of surface condition, cleanliness, and overall appearance quality.
Structural and Processing Quality Inspection
Inspection of forming, welding, connections, and other critical structural areas.
Performance Testing
Depending on product requirements, relevant tests may include sealing, pressure resistance, connection performance, and other applicable performance tests.
Finished Product and Pre-Shipment Inspection
After production is completed, products undergo sampling and pre-shipment inspection, including verification of specifications, quantities, identification marks, and finished product condition.
Quality Control Value
Through comprehensive quality control from raw materials to finished product shipment, Franta continuously improves product consistency and stability, providing a reliable product foundation for residential, commercial, public building, municipal water supply, and industrial applications.
Zhejiang Franta Co., Ltd. uses standardized packaging methods according to the specifications, quantity, transportation distance, and project requirements of engineering pipes, helping reduce the risk of wear, impact, and scratches during transportation and ensuring that products are safely delivered to warehouses, project sites, or designated locations.
Common Packaging Methods
Protective Plastic Film Packaging
Woven Bag Packaging
Bundled Packaging
Steel Strap Binding
Pallet Packaging
Wooden Frame or Wooden Crate Packaging
Customized Labels or Project Shipping Marks
Shipping Information
Engineering orders can be arranged for shipment according to the project delivery schedule, specification list, phased delivery requirements, and on-site receiving conditions. For quotation or order placement, it is recommended to provide the project name, application scenario, material, size range, quantity, delivery location, and whether matching fittings, valves, or other accessories are required.

OD (mm)	Wall Thickness (mm)	PE Coating Thickness (mm)	Length (mm)
15	1.0	0.8	6000
18	1.0	1.0	6000
22	1.2	1.0	6000
28	1.2	1.0	6000
35	1.5	1.2	6000
42	1.5	1.2	6000
54	1.5	1.2	6000

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Frequently Asked Questions

How Can I Request Franta Product Samples, Technical Documents, Product Selection Support, or a Project Quotation?

You can obtain relevant product information through the Franta website, download center, or contact channels. For projects requiring further product selection support or a quotation, please provide details such as the product name, specifications, quantity, application, and basic project information. Based on your actual requirements, Franta’s sales or technical team can provide product documentation, selection recommendations, sample support, and quotation solutions.

Does Franta Support Bulk Project Supply and Complete Stainless Steel Piping System Solutions?

Yes. Franta offers a comprehensive product range that includes stainless steel pipes, press-fit fittings, grooved fittings, flanged fittings, valves, manifolds, O-ring seals, pipe supports, fasteners, and installation tools. Based on project requirements, Franta can provide systematic product selection and coordinated supply of piping system components, helping reduce compatibility issues between different products and streamline the procurement process.

What Information Is Required to Request a Quotation for an Engineering Project?

To improve product selection and quotation efficiency, please provide information such as the project type, conveyed medium, required material grade, pipe size or specification, connection method, quantity, project location, and any special operating conditions. If design drawings, material lists, or technical specifications are available, they can also be provided. Franta can use this information to recommend suitable products and prepare an accurate quotation.

Does Franta Offer OEM and ODM Services for Stainless Steel Water Tanks?

Yes. Franta provides OEM and ODM services for stainless steel water tanks. Based on project and market requirements, we can discuss customization options for tank dimensions, structural design, surface treatment, accessories, and packaging. OEM and ODM solutions are developed according to the specific requirements and conditions of each order.

What Materials and Manufacturing Processes Are Used for Franta Stainless Steel Water Tanks?

Franta stainless steel water tanks are primarily made from high-quality stainless steel materials. Depending on the product design, manufacturing processes may include forming, welding, and surface treatment. Throughout production, quality control is carried out at key stages such as incoming material inspection, forming, welding, and surface finishing to meet different requirements for tank structure, dimensions, and surface appearance.

What Inspections and Tests Are Required After Installing a Stainless Steel Piping System?

After installation, the pipes, fittings, insertion depth, pressed joints, and pipe supports should be inspected to ensure they have been installed correctly. Pressure testing or other leak-tightness tests should then be carried out in accordance with the applicable project specifications. For concealed piping, the system should be fully inspected and accepted before walls or ceilings are closed or subsequent finishing work begins, ensuring that all requirements are met before proceeding to the next stage of construction.

Which Applications Are EPDM, FKM, and HNBR O-Rings Best Suited For?

Different O-ring materials offer different levels of temperature resistance, chemical compatibility, and aging resistance. EPDM is commonly used in water supply and conventional hot water systems, while FKM is better suited to higher-temperature conditions and certain special media. HNBR can be selected for specific industrial media and operating conditions. For each project, the sealing material should be chosen based on the conveyed medium, operating temperature, system pressure, and technical requirements rather than by color alone.

How Are Press-Fit Stainless Steel Pipe Connections Sealed, and Are They Reliable?

Press-fit stainless steel pipe connections rely on the pipe, fitting socket, O-ring seal, and a dedicated press tool working together to create a secure joint. During installation, the pipe is inserted into the fitting to the specified depth, and the fitting socket is then mechanically pressed with the proper tool. This creates a stable connection between the pipe, fitting, and sealing ring. The reliability of the connection depends on both the precision of the piping components and correct installation in accordance with the specified procedures.

What Is the Franta Active Water System, and How Is It Different from a Traditional Home Water Supply System?

The Franta Active Water System uses looped piping design and dynamic circulation components to keep water moving and refreshed within the piping system, helping reduce long-term water stagnation in certain pipe sections. Unlike traditional home water supply systems that primarily focus on delivering water from one point to another, the Active Water System places greater emphasis on continuous water movement, circulation management, and the overall household water-use experience.