T: +86-518-85528012
E: nick@luverrequartz.com
E: nick@luverrequartz.com
1st floor Runlian industrial center No. 116 QuFeng Rd., Haizhou Economic and technological development zone Lianyungang City, Jiangsu Province, China 222062
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Transparent spiral quartz glass condenser tube
Transparent spiral quartz glass condenser tube is a laboratory and industrial heat exchange device that uses high-purity fused silica (SiO ₂ ≥ 99.99%), which is melted at high temperature and precisely bent.
LUVERRE quartz
99.99%
Inner with Vacuum PVC bag and then wrapped with air bubble film, outer with wooden box.
as per customer's requirement
Transparent spiral quartz glass condenser tube
Transparent spiral quartz glass condenser tube is a laboratory and industrial heat exchange device that uses high-purity fused silica (SiO ₂ ≥ 99.99%), which is melted at high temperature and precisely bent. It combines the excellent high temperature resistance (long-term use at 1100 ℃) and corrosion resistance of quartz material with the advantage of a large heat exchange area brought by the spiral structure, and is designed for harsh working conditions such as distillation, reflux, and extraction that require efficient condensation. The fully transparent tube wall allows operators to observe the flow and condensation status of the internal medium in real time, making it an ideal choice for chemical analysis, pharmaceutical research and development, semiconductor wet processes, and high-purity material synthesis.
Customer Pain Points and Solutions: FAQ Quick Questions and Answers
Q1: When distilling strong acids (such as concentrated sulfuric acid, aqua regia) or organic solvents, ordinary glass condenser tubes are prone to corrosion and even explosion. What should be done?
A: Our transparent spiral quartz glass condenser tube is made of high-purity quartz material, which is resistant to almost all strong acid and alkali corrosion except hydrofluoric acid and hot phosphoric acid. Its corrosion resistance is more than 30 times that of ordinary glass. At the same time, the extremely low thermal expansion coefficient of quartz (5.5 × 10 ⁻⁷/℃) allows it to withstand drastic temperature differences (heating to 1100 ℃ and putting it into normal temperature water does not explode), completely solving the risk of explosion.
Q2: The current condenser has low heat exchange efficiency and slow distillation speed, which seriously affects the experimental progress and production efficiency?
A: The spiral structure design extends the condensation path and increases the heat transfer area by more than 40% compared to straight tubes. The medium in the spiral tube is in a turbulent state, greatly improving the heat transfer coefficient and condensing efficiency by 20% -40% compared to traditional straight or spherical condensing tubes, which can significantly shorten the distillation time.
Q3: Worried about metal ion precipitation and product contamination during the preparation of high-purity materials?
A: Quartz glass SiO ₂ has a purity of up to 99.95% -99.999% and almost no metal impurities. In high temperature or corrosive environments, there will be no metal ions leaching out and contaminating materials, making it particularly suitable for fields such as semiconductor materials, pharmaceutical intermediates, high-purity reagents, etc. that require high purity.
Q4: Do you need non-standard interfaces or special sized condenser tubes that cannot be installed on existing equipment with standard products on the market?
A: We provide full customization services: spiral diameter, number of turns, pitch, tube diameter, and interface type (grinding mouth, flange, pagoda) can all be made according to the drawings. The minimum order quantity is as low as 1 piece, supporting sample trial production.
Transparent spiral quartz glass condenser tube
Transparent spiral quartz glass condenser tube is a special heat exchange device made by winding high-purity quartz glass tube on a precision mold after high-temperature softening, and then annealing to eliminate internal stress. It possesses three core values simultaneously:
1. Material value: Quartz glass has unparalleled physical and chemical stability. Its softening point is as high as 1730 ℃, and it can work for a long time at 1100 ℃; The acid resistance is 150 times that of stainless steel; Visible light transmittance>92%, easy to observe.
2. Structural value: The spiral configuration greatly extends the condensation path in a limited space, and the cooling medium and material exchange heat in reverse flow, with a much higher heat exchange efficiency than traditional straight or serpentine tubes.
3. Process value: The inner and outer walls are precision polished (with a surface roughness Ra of up to 0.2 μ m), which is not easy to hang on the wall, easy to clean, and avoids cross contamination.
What problems can transparent spiral quartz glass condenser tubes solve?
-Condensation of highly corrosive media: When dealing with highly corrosive materials such as concentrated acids, halides, and organic solvents, there is no need to worry about equipment corrosion and leakage
-High temperature distillation and reflux: used for atmospheric or vacuum distillation of high boiling point organic compounds (such as heat medium oil, polymer monomers)
-Preparation of high-purity materials: Avoid metal contamination in the production of semiconductor materials, pharmaceutical intermediates, and electronic chemicals
-Space limited installation: The spiral structure is compact and suitable for installation and use in limited spaces such as fume hoods and glove boxes
-Visual process monitoring: The transparent tube wall allows real-time observation of the dripping speed of condensate, whether there are signs of boiling or blockage
-Cold and hot shock conditions: processes with frequent start stop or drastic temperature changes, utilizing the excellent thermal shock resistance of quartz to prevent explosion
Our product's core advantages
As a foreign trade export enterprise deeply involved in the Lianyungang quartz industry chain, our transparent spiral quartz glass condenser tube has the following differentiated advantages:
1. Extreme material purity
High quality fused silica raw materials are used. The content of SiO ₂ is ≥ 99.99% -99.999%, and the total amount of metal impurities is controlled at an extremely low ppm level, meeting the requirements of semiconductor and pharmaceutical applications.
2. Precision spiral forming
Adopting CNC flame bending technology to ensure:
-Uniformity of pitch: parallelism error between circles<0.5mm
-Ellipticity control: deformation at the bend is less than 5% of the tube diameter
-No stress residue: After precision annealing and polarization detection, there are no rainbow patterns
3. Excellent physical and chemical properties
-Long term working temperature: 1100 ℃
-Softening point: 1730 ℃
-Thermal expansion coefficient: 5.5 × 10 ⁻⁷/℃ (1/10-1/20 of ordinary glass)
-Acid resistance: resistant to all inorganic and organic acids except HF
4. Full size customization capability
Spiral turns: 3-30 turns or more
Spiral diameter: 20-300mm
tube diameter (outer diameter): 6-80mm
Wall thickness: 1.0-5.0mm
Total length: 50-2000mm
Interface type: standard grinding mouth (14/23 to 55/50), flange, pagoda joint
Special processing: bent tubes, welded branch tubes, irregular interfaces
Customer Application Cases
Case 1: A well-known pharmaceutical research and development center in Europe (optimization of strong acid distillation process)
-Requirement: When synthesizing a new type of active pharmaceutical ingredient, the center needs to perform vacuum distillation on a mixture containing concentrated sulfuric acid and fuming nitric acid. The original borosilicate glass condenser tube experienced inner wall corrosion and roughness, and even burst accidents after 3-5 uses, which poses a serious safety hazard. In addition, the precipitation of boron and sodium ions in the glass affects the purity of the product.
-Solution: We have customized a set of transparent spiral quartz glass condenser tubes for our customers, with a total length of 500mm, a spiral diameter of 80mm, a tube diameter of 20mm, and 29/42 standard grinding ports at both ends. Using high-purity low hydroxyl quartz material, the inner wall is finely polished.
-Final effect: The condenser tube has been continuously used for 6 months (with a cumulative distillation of over 200 times), and the inner wall remains smooth and transparent, without any corrosion marks or explosion accidents. Customer testing showed that the metal ion content in the distillation product decreased to 1/20 of its original level, successfully passing the EMA (European Medicines Agency) review. Customer feedback: "This is currently the only commercial condenser tube that can withstand our demanding process
Case 2: A domestic semiconductor material enterprise (high-purity precursor purification)
-Requirement: The enterprise produces high-purity metal organic sources for MOCVD (Metal Organic Chemical Vapor Deposition), with extremely high requirements for the cleanliness of purification equipment. During the use of ordinary quartz condenser tubes, microcracks at the interface are caused by thermal stress, which adsorb impurities and release particles.
-Solution: We have customized a double-layer jacket condenser using fully transparent spiral quartz glass tubes and integrated molding technology (without welding points). The inner spiral carries the material, while the outer layer carries the coolant. All interfaces are connected by flanges to avoid grease contamination from grinding.
-Final effect: After installation and continuous operation for 12 months, the particle detection always meets the standard, and the product purity is increased from 5N (99.999%) to 6N (99.9999%), reaching the international advanced level. This solution has been listed by the customer as a standard configuration for new production lines.
Case 3: A Middle East Petrochemical Research Institute (high temperature tar fraction condensation)
-Requirement: The institute researches high-temperature cracking products of petroleum tar, with distillate temperatures reaching up to 650-800 ℃ and containing corrosive gases such as hydrogen sulfide. Ordinary stainless steel condenser tubes are not corrosion-resistant, and ceramic tubes cannot observe coking conditions.
-Solution: We have customized a large-diameter transparent spiral quartz tube with a thickened wall (4mm), with a spiral outer diameter of 150mm and a diameter of 35mm. Both ends are equipped with KF flanges for quick connection.
-Final effect: The transparent tube wall allows researchers to clearly observe the location and speed of tar coking, providing key data for process optimization. After one year of use, the quartz tube showed no corrosion or cracks, while the imported alloy tube compared to the same period had severe corrosion and perforation.
Whether it's small-scale laboratory research and development needs or large-scale industrial production support, we can provide you with customized solutions for transparent spiral quartz glass condenser tubes. Please provide us with your process parameters (medium, temperature, pressure) and drawing requirements, and our engineers will recommend the optimal design for you!
Luverre Quartz is a manufacturer specializing in quartz tubes and other quartz items.We have over 18 years experience with the production of quartz tubes, we will be your reliable partner on quartz tubes and other quartz items.
Luverre Quartz can manufacture customized quartz tubes in various shapes, such as spiral, square, round, with processing including cutting, bending, welding, etc., and available in different colors, such as transparent quartz tubes, opaque quartz tubes, milky white quartz tubes, red quartz tubes, and so on.
Why choose us?
1.We are more experienced.
We have over 19 years production experience of quartz items.
2.We are more efficient.
We reply customers’ requests within 24 hours and we have high efficient production, engineers and sales team.
3.Our quality is more guaranteed.
We control the quality from quartz lumps to quartz sand and then quartz products, we have better and stricter quality control than other manufactures.
4.We are able to produce more difficult quartz products.
We have large grinding platforms and precision etching machines which enable us to manufactures and sells a wide range of high quality quartz glass, including quartz tubes, quartz plates, quartz rods, quartz windows, quartz crucibles, quartz boats, quartz flanges, quartz beakers, quartz glass instruments, and more.
5. About 20 years of professional experience
-Focusing on the manufacturing of quartz products for a quarter century
-The average working experience of the technical team exceeds 15 years
6.Global Service Network
-Our products are exported to over 40 countries and regions including Europe, America, Japan, South Korea, and the Middle East
-Multi language technical support (English, German, French, Spanish, Russian, Japanese)
7. Flexible cooperation mode
Support small batch trial orders, medium - and long-term cooperation, and urgent production for urgent orders, providing OEM/ODM services.
Transparent spiral quartz glass condenser tube
Transparent spiral quartz glass condenser tube is a laboratory and industrial heat exchange device that uses high-purity fused silica (SiO ₂ ≥ 99.99%), which is melted at high temperature and precisely bent. It combines the excellent high temperature resistance (long-term use at 1100 ℃) and corrosion resistance of quartz material with the advantage of a large heat exchange area brought by the spiral structure, and is designed for harsh working conditions such as distillation, reflux, and extraction that require efficient condensation. The fully transparent tube wall allows operators to observe the flow and condensation status of the internal medium in real time, making it an ideal choice for chemical analysis, pharmaceutical research and development, semiconductor wet processes, and high-purity material synthesis.
Customer Pain Points and Solutions: FAQ Quick Questions and Answers
Q1: When distilling strong acids (such as concentrated sulfuric acid, aqua regia) or organic solvents, ordinary glass condenser tubes are prone to corrosion and even explosion. What should be done?
A: Our transparent spiral quartz glass condenser tube is made of high-purity quartz material, which is resistant to almost all strong acid and alkali corrosion except hydrofluoric acid and hot phosphoric acid. Its corrosion resistance is more than 30 times that of ordinary glass. At the same time, the extremely low thermal expansion coefficient of quartz (5.5 × 10 ⁻⁷/℃) allows it to withstand drastic temperature differences (heating to 1100 ℃ and putting it into normal temperature water does not explode), completely solving the risk of explosion.
Q2: The current condenser has low heat exchange efficiency and slow distillation speed, which seriously affects the experimental progress and production efficiency?
A: The spiral structure design extends the condensation path and increases the heat transfer area by more than 40% compared to straight tubes. The medium in the spiral tube is in a turbulent state, greatly improving the heat transfer coefficient and condensing efficiency by 20% -40% compared to traditional straight or spherical condensing tubes, which can significantly shorten the distillation time.
Q3: Worried about metal ion precipitation and product contamination during the preparation of high-purity materials?
A: Quartz glass SiO ₂ has a purity of up to 99.95% -99.999% and almost no metal impurities. In high temperature or corrosive environments, there will be no metal ions leaching out and contaminating materials, making it particularly suitable for fields such as semiconductor materials, pharmaceutical intermediates, high-purity reagents, etc. that require high purity.
Q4: Do you need non-standard interfaces or special sized condenser tubes that cannot be installed on existing equipment with standard products on the market?
A: We provide full customization services: spiral diameter, number of turns, pitch, tube diameter, and interface type (grinding mouth, flange, pagoda) can all be made according to the drawings. The minimum order quantity is as low as 1 piece, supporting sample trial production.
Transparent spiral quartz glass condenser tube
Transparent spiral quartz glass condenser tube is a special heat exchange device made by winding high-purity quartz glass tube on a precision mold after high-temperature softening, and then annealing to eliminate internal stress. It possesses three core values simultaneously:
1. Material value: Quartz glass has unparalleled physical and chemical stability. Its softening point is as high as 1730 ℃, and it can work for a long time at 1100 ℃; The acid resistance is 150 times that of stainless steel; Visible light transmittance>92%, easy to observe.
2. Structural value: The spiral configuration greatly extends the condensation path in a limited space, and the cooling medium and material exchange heat in reverse flow, with a much higher heat exchange efficiency than traditional straight or serpentine tubes.
3. Process value: The inner and outer walls are precision polished (with a surface roughness Ra of up to 0.2 μ m), which is not easy to hang on the wall, easy to clean, and avoids cross contamination.
What problems can transparent spiral quartz glass condenser tubes solve?
-Condensation of highly corrosive media: When dealing with highly corrosive materials such as concentrated acids, halides, and organic solvents, there is no need to worry about equipment corrosion and leakage
-High temperature distillation and reflux: used for atmospheric or vacuum distillation of high boiling point organic compounds (such as heat medium oil, polymer monomers)
-Preparation of high-purity materials: Avoid metal contamination in the production of semiconductor materials, pharmaceutical intermediates, and electronic chemicals
-Space limited installation: The spiral structure is compact and suitable for installation and use in limited spaces such as fume hoods and glove boxes
-Visual process monitoring: The transparent tube wall allows real-time observation of the dripping speed of condensate, whether there are signs of boiling or blockage
-Cold and hot shock conditions: processes with frequent start stop or drastic temperature changes, utilizing the excellent thermal shock resistance of quartz to prevent explosion
Our product's core advantages
As a foreign trade export enterprise deeply involved in the Lianyungang quartz industry chain, our transparent spiral quartz glass condenser tube has the following differentiated advantages:
1. Extreme material purity
High quality fused silica raw materials are used. The content of SiO ₂ is ≥ 99.99% -99.999%, and the total amount of metal impurities is controlled at an extremely low ppm level, meeting the requirements of semiconductor and pharmaceutical applications.
2. Precision spiral forming
Adopting CNC flame bending technology to ensure:
-Uniformity of pitch: parallelism error between circles<0.5mm
-Ellipticity control: deformation at the bend is less than 5% of the tube diameter
-No stress residue: After precision annealing and polarization detection, there are no rainbow patterns
3. Excellent physical and chemical properties
-Long term working temperature: 1100 ℃
-Softening point: 1730 ℃
-Thermal expansion coefficient: 5.5 × 10 ⁻⁷/℃ (1/10-1/20 of ordinary glass)
-Acid resistance: resistant to all inorganic and organic acids except HF
4. Full size customization capability
Spiral turns: 3-30 turns or more
Spiral diameter: 20-300mm
tube diameter (outer diameter): 6-80mm
Wall thickness: 1.0-5.0mm
Total length: 50-2000mm
Interface type: standard grinding mouth (14/23 to 55/50), flange, pagoda joint
Special processing: bent tubes, welded branch tubes, irregular interfaces
Customer Application Cases
Case 1: A well-known pharmaceutical research and development center in Europe (optimization of strong acid distillation process)
-Requirement: When synthesizing a new type of active pharmaceutical ingredient, the center needs to perform vacuum distillation on a mixture containing concentrated sulfuric acid and fuming nitric acid. The original borosilicate glass condenser tube experienced inner wall corrosion and roughness, and even burst accidents after 3-5 uses, which poses a serious safety hazard. In addition, the precipitation of boron and sodium ions in the glass affects the purity of the product.
-Solution: We have customized a set of transparent spiral quartz glass condenser tubes for our customers, with a total length of 500mm, a spiral diameter of 80mm, a tube diameter of 20mm, and 29/42 standard grinding ports at both ends. Using high-purity low hydroxyl quartz material, the inner wall is finely polished.
-Final effect: The condenser tube has been continuously used for 6 months (with a cumulative distillation of over 200 times), and the inner wall remains smooth and transparent, without any corrosion marks or explosion accidents. Customer testing showed that the metal ion content in the distillation product decreased to 1/20 of its original level, successfully passing the EMA (European Medicines Agency) review. Customer feedback: "This is currently the only commercial condenser tube that can withstand our demanding process
Case 2: A domestic semiconductor material enterprise (high-purity precursor purification)
-Requirement: The enterprise produces high-purity metal organic sources for MOCVD (Metal Organic Chemical Vapor Deposition), with extremely high requirements for the cleanliness of purification equipment. During the use of ordinary quartz condenser tubes, microcracks at the interface are caused by thermal stress, which adsorb impurities and release particles.
-Solution: We have customized a double-layer jacket condenser using fully transparent spiral quartz glass tubes and integrated molding technology (without welding points). The inner spiral carries the material, while the outer layer carries the coolant. All interfaces are connected by flanges to avoid grease contamination from grinding.
-Final effect: After installation and continuous operation for 12 months, the particle detection always meets the standard, and the product purity is increased from 5N (99.999%) to 6N (99.9999%), reaching the international advanced level. This solution has been listed by the customer as a standard configuration for new production lines.
Case 3: A Middle East Petrochemical Research Institute (high temperature tar fraction condensation)
-Requirement: The institute researches high-temperature cracking products of petroleum tar, with distillate temperatures reaching up to 650-800 ℃ and containing corrosive gases such as hydrogen sulfide. Ordinary stainless steel condenser tubes are not corrosion-resistant, and ceramic tubes cannot observe coking conditions.
-Solution: We have customized a large-diameter transparent spiral quartz tube with a thickened wall (4mm), with a spiral outer diameter of 150mm and a diameter of 35mm. Both ends are equipped with KF flanges for quick connection.
-Final effect: The transparent tube wall allows researchers to clearly observe the location and speed of tar coking, providing key data for process optimization. After one year of use, the quartz tube showed no corrosion or cracks, while the imported alloy tube compared to the same period had severe corrosion and perforation.
Whether it's small-scale laboratory research and development needs or large-scale industrial production support, we can provide you with customized solutions for transparent spiral quartz glass condenser tubes. Please provide us with your process parameters (medium, temperature, pressure) and drawing requirements, and our engineers will recommend the optimal design for you!
Luverre Quartz is a manufacturer specializing in quartz tubes and other quartz items.We have over 18 years experience with the production of quartz tubes, we will be your reliable partner on quartz tubes and other quartz items.
Luverre Quartz can manufacture customized quartz tubes in various shapes, such as spiral, square, round, with processing including cutting, bending, welding, etc., and available in different colors, such as transparent quartz tubes, opaque quartz tubes, milky white quartz tubes, red quartz tubes, and so on.
Why choose us?
1.We are more experienced.
We have over 19 years production experience of quartz items.
2.We are more efficient.
We reply customers’ requests within 24 hours and we have high efficient production, engineers and sales team.
3.Our quality is more guaranteed.
We control the quality from quartz lumps to quartz sand and then quartz products, we have better and stricter quality control than other manufactures.
4.We are able to produce more difficult quartz products.
We have large grinding platforms and precision etching machines which enable us to manufactures and sells a wide range of high quality quartz glass, including quartz tubes, quartz plates, quartz rods, quartz windows, quartz crucibles, quartz boats, quartz flanges, quartz beakers, quartz glass instruments, and more.
5. About 20 years of professional experience
-Focusing on the manufacturing of quartz products for a quarter century
-The average working experience of the technical team exceeds 15 years
6.Global Service Network
-Our products are exported to over 40 countries and regions including Europe, America, Japan, South Korea, and the Middle East
-Multi language technical support (English, German, French, Spanish, Russian, Japanese)
7. Flexible cooperation mode
Support small batch trial orders, medium - and long-term cooperation, and urgent production for urgent orders, providing OEM/ODM services.
