Steel Bathroom Straight Round-Tube Radiator

The bathroom straight round-tube series features a classic layout, elegant appearance, and space-saving design.



Details

Radiator Material Selection

High-quality low-carbon steel pipes (Grade Q195), manufactured by Tianjin Ze’ao Metal Products Co., Ltd.。

Main Tube

D-type 40 × 40 mm, wall thickness ≥ 1.8 mm, up to 2.5 mm

Wall Thickness

Branch Tubes

Ø25 mm round pipes, wall thickness 1.5 mm, up to 2.0 mm

Threaded Connection

Minimum wall thickness 2.0 mm, thread length ≥ 6 turns

Heat Dissipation Method

Radiant heat dissipation

Welding Process

Argon arc welding with single-side welding and double-side forming; smooth weld seams and stable welding quality

Pretreatment Process

Degreasing, rust removal, etc.

Anti-corrosion Material & Filling Process

TY-3318 anti-corrosion coating (Wuhan Research Institute of Materials Protection); mechanical vacuum filling process, applied twice; coating thickness 145 μm

Surface Coating Process

Adopting epoxy resin hybrid powder electrostatic spraying via an automatic spraying line equipped with Swiss Gema spray guns, the coating is baked at 180–200°C with a thickness of 100–120μm.

Pressure Test

Two test cycles are conducted at a constant test pressure of 1.8 MPa

Inlet/Outlet Thread

Internal thread, nominal diameters: DN15, DN20, DN25, etc.

Connection Methods

It includes four connection modes: same-side top inlet and bottom outlet, opposite-side top inlet and bottom outlet, opposite-side bottom inlet and bottom outlet, and 90° vertical bottom inlet and outlet.

Appearance

Available in flat configurations, with center distances of 300–800 mm and heights ranging from 500–1800 mm

Application Range

Applicable to hot water heating systems with medium temperature ≤ 95°C and water quality complying with national standard GB1576 (Low-Pressure Boiler Water Standard).

Prohibited Applications

Steam systems, Geothermal water systems

System Maintenance & Water Quality Requirement

Suitable for closed heating systems with a medium temperature not exceeding 120°C, a pH value of 9–12, chloride (Cl⁻) ≤ 300 mg/L, sulfate (SO₄²⁻) ≤ 150 mg/L and dissolved oxygen ≤ 0.1 mg/L, and it must be kept filled with water during non-heating periods.

Accessories

Each unit is equipped with an air vent valve, a plug and model-matched mounting brackets.。

Packaging

It adopts EPS foam packaging, and customized non-returnable packaging is available on request.

Service Life

Up to 15 years under normal operating conditions

Warranty

The warranty period is 24 months from the delivery date, with free repair or replacement for manufacturing defects, while only material costs will be charged for non-quality issues.

Test Reports & Certification Bodies

Thermal performance and full inspection reports are issued by the National Building Materials Hardware & Plumbing Quality Supervision and Testing Center and the National Radiator Quality Supervision and Inspection Center.

Production & Delivery Capacity

Daily production capacity about 500 sections

 

Annual Production Capacity

About 10,000 units per year

Remarks

Smooth appearance, aesthetically pleasing and practical


Steel Bathroom Straight Round Tube Radiator Installation

Installing a steel bathroom straight round tube radiator requires careful planning and correct execution to ensure efficient heating performance, safety, and long-term durability. This type of radiator is commonly used in modern bathrooms due to its slim design, fast heat response, and stylish appearance.

The first step is selecting the right location. In bathrooms, radiators are often installed on a free wall with good air circulation, away from direct water splashes. It is also common to place them near the shower or bathtub area to improve comfort. Before installation, ensure the wall is strong enough to support the radiator’s weight and that there is enough clearance around it for heat circulation.

Next, measure and mark the mounting points accurately. Use a level to ensure the radiator will be installed straight. Fix the brackets securely into the wall using appropriate anchors, especially if the wall is tiled or made of plasterboard. Proper alignment is essential for both appearance and performance.

After the brackets are installed, carefully mount the steel round tube radiator onto the supports. Once it is securely in place, connect it to the central heating system using the inlet and outlet valves. Thermostatic radiator valves (TRVs) are recommended for bathrooms, as they allow better temperature control and improve energy efficiency.

After all connections are completed, check the system for leaks. Slowly fill the heating system with water and pressurize it according to the manufacturer’s instructions. It is important to bleed the radiator to remove any trapped air, which can reduce heating efficiency and cause uneven warmth.

Finally, test the radiator to ensure it heats evenly and operates correctly. Make sure all valves are functioning properly and there are no signs of leakage. Regular maintenance, such as cleaning and occasional bleeding, will help maintain optimal performance.

Overall, proper installation of a steel bathroom straight round tube radiator ensures efficient heating, safe operation, and a modern aesthetic that enhances bathroom comfort and design.


Why Modern Bathrooms Prefer Tube Radiators

Modern bathrooms increasingly prefer tube radiators because they combine efficient heating performance with a clean, minimalist aesthetic that fits perfectly into contemporary interior design trends. Unlike bulky traditional heating systems, tube radiators offer a slim, elegant structure that enhances the visual appeal of modern bathroom spaces while still delivering strong and reliable heat output.

One of the main reasons for their popularity is their space-saving design. Modern bathrooms often prioritize open layouts and functional simplicity, and straight or curved tube radiators can be easily installed on walls without occupying valuable floor space. Vertical designs are especially favored, as they maximize wall height while maintaining a sleek and unobtrusive appearance.

Another important factor is heating efficiency. Steel tube radiators heat up quickly and distribute warmth evenly throughout the bathroom. This ensures a comfortable environment, especially during cold seasons. Their open tube structure allows air to circulate freely, improving heat transfer and reducing the time needed to reach the desired temperature.

Aesthetic versatility also plays a key role. Tube radiators are available in various finishes such as matte black, white, chrome, and anthracite grey, making them easy to match with different bathroom styles. Whether the design is minimalist, industrial, or luxury-inspired, tube radiators can blend seamlessly into the overall interior concept.

In addition, modern tube radiators are compatible with most central heating systems and are designed for easy installation and maintenance. Their smooth surfaces make cleaning simple, which is particularly important in bathroom environments where hygiene is a priority.

Durability is another advantage. High-quality steel construction combined with advanced coating technology helps prevent corrosion and extends the product’s lifespan, even in humid bathroom conditions.

Overall, modern bathrooms prefer tube radiators because they offer the perfect balance of functionality, efficiency, durability, and contemporary design. They not only provide effective heating but also enhance the overall style and comfort of modern bathroom spaces.


Why Architects Choose Designer Bathroom Radiators

Architects increasingly choose designer bathroom radiators because they combine functional heating performance with strong visual impact, allowing them to enhance both comfort and aesthetics in modern interior projects. Unlike standard heating units, designer radiators are no longer just technical components; they have become integral design features within contemporary bathroom spaces.

One of the main reasons architects prefer designer bathroom radiators is their ability to integrate seamlessly into different architectural styles. Whether the project is minimalist, industrial, luxury, or Scandinavian-inspired, designer radiators offer a wide range of shapes, colors, and finishes that complement the overall design concept. Slim vertical tubes, geometric structures, and matte coatings allow radiators to act as subtle yet stylish elements within the space.

Another key factor is space optimization. Modern bathrooms often require efficient use of limited space, especially in urban residential projects. Designer radiators are available in compact or vertical formats that free up floor area while still delivering strong heat output. This makes them ideal for both small bathrooms and high-end luxury interiors where clean layouts are essential.

Performance is also a critical consideration. High-quality designer bathroom radiators are engineered for efficient heat distribution and fast response times. Steel tube structures, for example, allow for excellent airflow and consistent warmth, ensuring user comfort even in colder climates. Many models are also compatible with modern central heating systems and energy-efficient solutions.

Durability and material quality further contribute to their popularity. Architects often specify steel or stainless-steel radiators with advanced anti-corrosion coatings, ensuring long-term reliability in humid bathroom environments. This reduces maintenance requirements and supports sustainable building design principles.

Finally, designer radiators support the growing trend of “functional aesthetics,” where every element in a space serves both a practical and visual purpose. By choosing designer bathroom radiators, architects can elevate the overall design quality while maintaining high performance and user comfort.

Overall, designer bathroom radiators are preferred because they merge engineering precision with architectural creativity, making them an essential feature in modern bathroom design.

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