pre-insulated stainless steel tube/pipe

Franta Stainless Steel Tube is a clean, durable, and system-ready stainless steel pipe designed for drinking water, cold and hot water, building water supply, public facilities, commercial and residential buildings, pump rooms, and selected industrial fluid applications. Available in 304 and 316L stainless steel, it can be matched with Franta single-press and double-press fitting systems for international projects.

Material: 304,316L
Standard: EN10312
Pipe Type: pre-insulated stainless steel tube/pipe

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 Tube is the basic pipe product in the international stainless steel piping system. It is designed for building water supply, drinking water pipeline, cold and hot water distribution, public facilities, commercial buildings, residential projects, pump room pipelines and selected industrial fluid applications.
The product is made from high-quality stainless steel material. Its smooth inner wall helps reduce scaling and impurity accumulation, while the stainless steel body provides corrosion resistance, high mechanical strength and long-term stability. For overseas markets, Franta can provide matching pipe and fitting solutions for both single-press and double-press connection systems according to project requirements.
Product Features
Sanitary Stainless Steel Material
The tube is made from stainless steel material suitable for clean water and building water supply systems, helping reduce the risk of secondary pollution caused by pipe corrosion.
Smooth Inner Wall
The smooth inner surface helps reduce scaling, water resistance and impurity accumulation, making it suitable for drinking water, purified water and hot/cold water systems.
Wide Diameter Coverage
The product can cover common branch pipes, risers, equipment room pipelines and main pipelines, supporting different project levels from residential to commercial applications.
High Strength and Stable Performance
Stainless steel has good mechanical strength and dimensional stability, making it suitable for long-term operation in concealed spaces, pipe shafts, pump rooms and equipment areas.
Single-Press and Double-Press Compatible
For international supply, the tube can be matched with Franta press fittings in single-press or double-press configurations according to local installation habits and engineering requirements.
System-Based Supply
Franta can provide pipes, press fittings, grooved fittings, flange fittings, valves, O-rings, manifolds and accessories to support one-stop project procurement.
Sustainable Material
Stainless steel is recyclable and durable, supporting green building projects and long service-life piping systems.
Applications
1. Commercial Buildings
Suitable for hotels, office buildings, commercial complexes, shopping malls and landmark buildings, especially for drinking water, hot and cold water and equipment room pipeline systems.
2. Residential Projects
Suitable for apartments, high-end residential buildings, villas and refined housing projects, providing a stable stainless steel pipeline base for domestic water systems.
3. Public Facilities
Suitable for hospitals, schools, airports, railway stations, stadiums and other public buildings that require reliable, hygienic and long-term piping systems.
4. Water Utility and Pump Room Systems
Suitable for secondary water supply, pump rooms, water stations and water distribution pipeline projects where pipe hygiene, durability and system stability are important.
5. Industrial and Special Fluid Systems
Can be used in selected industrial fluid, compressed air, food and beverage or pharmaceutical related systems after confirming medium, pressure, temperature and design standards.
6. Renovation and Replacement Projects
Suitable for replacing aging galvanized, plastic or other pipeline systems in buildings, helping upgrade water supply quality and reduce maintenance concerns.
Connection and System Compatibility
For the international website, Franta Stainless Steel Tube can be supplied as part of a system compatible with both single-press and double-press press fittings.
The final connection choice should be confirmed according to the target market, local installation habit, project specification, pressure requirement and applicable standard. Franta can support pipe, fitting, valve and accessory matching for complete system supply.
FAQ
Q1. What is Franta Stainless Steel Tube used for?
It can be used for drinking water, cold and hot water, building water supply, public projects, pump rooms and selected industrial fluid systems after project confirmation.
Q2. What materials are available?
Common material options include 304 and 316L stainless steel. Final material selection should be based on medium, environment and project specification.
Q3. Can it be matched with single-press and double-press fittings?
Yes. For international projects, Franta can supply pipe and matching press fittings for both single-press and double-press configurations.
Q4. Is it suitable for drinking water systems?
Yes, it is suitable for drinking water and clean water systems when selected and installed according to relevant standards and project requirements.
Q5. What is the common size range?
This page can present DN15-DN300 as the common range. Final dimensions should follow the official parameter table and actual product data.
Q6. Can Franta provide a complete piping system?
Yes. Franta can supply stainless steel tubes, PE coated tubes, PEF insulated tubes, press fittings, grooved fittings, flange fittings, valves, manifolds and accessories.
Q7. How should the connection system be selected?
Connection should be selected according to pipe size, pressure, installation environment, local standard and project design requirement.
Q8. Is the tube suitable for renovation projects?
Yes. It can be used to replace aging pipe systems and upgrade building water supply quality.
Q9. Does Franta support export packaging?
Yes. Export packaging and shipping marks can be arranged according to order quantity and destination requirements.
Q10. What information is needed for quotation?
Please provide material, size, quantity, standard requirement, connection type, application and delivery location.
OD (mm) Wall Thickness (mm) PEF Layer Thickness (mm) Length (mm)
15 1.0 3.0 6000
18 1.0 3.0 6000
22 1.2 3.0 6000
28 1.2 3.0 6000
35 1.5 3.0 6000
42 1.5 4.0 6000
54 1.5 4.0 6000

OD (mm)	Wall Thickness (mm)	PEF Layer Thickness (mm)	Length (mm)
15	1.0	3.0	6000
18	1.0	3.0	6000
22	1.2	3.0	6000
28	1.2	3.0	6000
35	1.5	3.0	6000
42	1.5	4.0	6000
54	1.5	4.0	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.