Your Professional L-shaped Spiral PTFE Heater Manufacturer!

 

Superb Heater Group Corrosion-Resistant Heater Factory is a manufacturing enterprise with years of experience in the research, design, and production of electric heating products. Our company has always been highly praised and trusted by customers for our excellent product quality and reliable after-sales service. As its business continues to expand, our products are now distributed across the entire country and exported overseas.

 

Since its founding, Superb Heater has adhered to a guiding principle of scientific and standardized management. We have established a customer-centric management system in areas such as product development, marketing, and quality assurance, laying a solid foundation for delivering high-quality products and services.

 
 
why choose us
 
 
 

ISO 9001 Quality Management System-Certified

Flexible scheduling,Efficient production,Strong supervision, strictly controlling every step from raw materials to delivery

 
 

Specialized Customization

With over 15 years of R&D and manufacturing experience in Corrosion-Resistant Heater, we offer tailored solutions based on specific customer requirements.

 
 

Quality Assurance

Raw materials undergo rigorous inspection; every production process is subject to 100% in-process checking, and a full final inspection is implemented before shipment, ensuring consistent and reliable quality.

 
 

‌Customer-Centric

‌Our dedicated sales and technical teams provide professional consultation and comprehensive pre-sales & after-sales support to meet every customer need.

 

 

Advantages of L-shaped Spiral PTFE Heater
 

Superior Corrosion Resistance:

The heavy-wall PTFE sheath is inert to almost all aqueous acid, alkaline, pickling, and plating solutions.

Efficient Bottom Heating:

The "L" configuration sits at the bottom of the tank, ensuring that even with fluctuating liquid levels, the heater stays submerged for optimal convection and consistent heat.

Non-Stick & Cleanable:

The PTFE material minimizes buildup from harsh solutions, making it ideal for processes prone to scaling and reducing maintenance downtime.

Easy Installation:

As "over-the-side" heaters, they are easy to install, remove, and maintain without needing to drill holes in the tank side.

Space-Saving L-Shaped Design:

The L-shaped configuration is ideal for side-mounted installations and compact tank systems. It allows easier installation and maintenance without modifying the tank bottom structure, making it suitable for industrial production lines and OEM equipment integration.

Low Surface Watt Density for Longer Service Life:

The optimized low watt density design helps prevent PTFE overheating and protects the internal heating element from premature failure. This significantly extends heater lifespan and improves long-term operational stability.

 

Applications of L-shaped Spiral PTFE Heater
 

Electroplating Industry

L-shaped Spiral PTFE Heaters are widely used in electroplating tanks for processes such as nickel plating, chrome plating, zinc plating, copper plating, and gold plating. Their excellent corrosion resistance makes them ideal for handling aggressive electroplating chemicals while maintaining stable solution temperatures.

 

PCB Manufacturing Industry

In PCB production lines, PTFE immersion heaters are commonly used for etching solutions, chemical cleaning tanks, and acid treatment systems. Stable temperature control helps improve production precision and ensures consistent PCB processing quality.

 

Chemical Processing Industry

Chemical plants use PTFE heaters for heating corrosive liquids in storage tanks, mixing systems, and process fluid equipment. The fluoropolymer-coated structure provides long-term durability in highly aggressive chemical environments.

220V 380V Industrial Electric Tubular Water PTFE Acid Resistance Immersion Heater

 

220V 380V Industrial Electric Tubular Water PTFE Acid Resistance Immersion Heater

Semiconductor Industry

Semiconductor manufacturing requires high-purity and contamination-free heating solutions. PTFE heaters are suitable for semiconductor cleaning systems and chemical processing tanks because of their excellent chemical resistance and clean surface properties.

 

Wastewater Treatment Systems

Industrial wastewater treatment often involves corrosive chemicals and temperature-sensitive processes. L-shaped Spiral PTFE Heaters are used in chemical dosing tanks, neutralization systems, and waste liquid treatment equipment to maintain efficient process control.

 

Surface Treatment Industry

Surface treatment processes require stable chemical temperatures for cleaning, coating, and metal finishing operations. PTFE heaters provide reliable and uniform heating performance in corrosive treatment baths.

 

Components of L-shaped Spiral PTFE Heater

Fluoropolymer (PTFE) Sheath:

A heavy-wall PTFE/PFA coating that encases the internal metal element, providing, chemical inertness, corrosion resistance, and non-stick properties.

 

Heating Element (Core):

Typically made of stainless steel or Incoloy, formed into a spiral shape to provide concentrated, even heat distribution at the bottom of a tank.

 

Terminal Enclosure:

A vapor-tight, flame-retardant polypropylene (PP) enclosure located at the top to protect the electrical connections from acidic fumes and moisture.

 

Thermal Protection:

Built-in safety features, such as replaceable or resettable thermal fuses, prevent overheating and protect the solution and heater.

Cold Zone (Vertical Riser):

The vertical portion of the L-shape is designed to be non-heated (cold), allowing the heater to accommodate fluctuating liquid levels without burning out the top section.

Grounding Element:

An internal metal ground wire or mesh to ensure electrical safety.

Flexible Conduit:

A corrosion-resistant PVC or thermoplastic flexible conduit typically 3 feet in length to protect the wire leads.

 

Parameter

 

Parameter

Specification

Customization Options

Power Rating

1000W

500W to 9000W, adjustable in increments of 500W

Voltage

230V, 1 Phase

120V-600V, single or three-phase configurations

Material

Fluoropolymer (PTFE) coated 304 stainless steel tubular element

Optional 316 stainless steel core or titanium for enhanced corrosion resistance

Shape

L-Shaped (low profile, spiral type)

Straight, U-shaped, or custom geometries to fit tank dimensions

Watt Density

10 W/in²

Low density (up to 2.5W/cm²) for extended lifespan in corrosive liquids

Operating Temperature

Up to 212°F (100°C)

High-temperature variants up to 450°F with specialized coatings

Hot Zone Length

7" (standard)

Customizable from 6" to 14" based on tank depth

Overall Length

11" (standard)

Extendable up to 24" for deeper installations

Guard Material

Polypropylene (standard)

Fluoropolymer (PTFE) for chromic acid or high-temp solutions (>180°F)

IP Rating

IP67

Waterproof and chemical-resistant enclosures available

Certifications

CE, RoHS compliant

UL listing optional for North American markets

 

Packaging and Shipping

 

Each heating element is individually wrapped in protective foam and placed in a sturdy cardboard box with shock-absorbing padding, clearly labeled. For bulk orders, we use wooden pallets or export-grade wooden crates to ensure safe transport.

 

productcate-1-1

 

FAQ

 

Q: Are you a factory or trading company?

A: We are the factory and have 10 production lines.

Q: Does the product have CE/ROHS certificate?

A: Yes, other certifications also can be sent.

Q: What's the shipping method?

A: International express and sea transportation, According to your requirement

Q: Can I use my own forwarder to transport the products for me?

A: Yes, you can let your forwarder ship the products for you.

Q: What's the Payment method?

A: T/T, 30% deposit before production, the balance before delivery. We suggest you transfer the full price at one time, because there will be a big bank fee if you pay twice.

Q: What is our payment term?

A: We can accept the payment by T/T, Paypal, Credit card and W/U.

Q: How long is your delivery time?

A: Generally it is 5-10 days ,it depends on your quantity.

Q: Will you accept customized requirement?

A: Of course, customized service is surely acceptable. Welcome to send us your drawing and more detailed specification parameters. We can supply you the products as per your specific requirements.

Q: How can I get a sample?

A: Normally For most our products can be sent free of sample charge if the quantity is small and customers only need to bear the shipping charge, or you can provide your DHL,FEDEX,EMS,UPS courier account number to us. If the quantity is big, we will charge a sample fee.

As one of the leading l-shaped spiral ptfe heater manufacturers and suppliers in China, we also support custom service. Please feel free to wholesale high quality l-shaped spiral ptfe heater from our factory. Welcome to view our website for more information.

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