Gas-tight hoses made of PTFE, MFA, FEP, PFA, PVDF, BEV-A-Line, FPM and Tygon/PVC are gas-impermeable hoses
Gas-tight hoses are considered gas-impermeable, which RCT stocks as fluoropolymer or elastomer tubes. The fluoropolymer types include PTFE, MFA, FEP, PVDF, and PFA. BEV-A-Line products, on the other hand, are plastic hoses that are also used as particle hoses. Viton® or FPM/FKM tubes are classified as elastomer variants. The entire range is primarily used for the transfer of aggressive chemicals such as NO, NOx, SO₂, and SO₃. These materials offer complete resistance when it comes to fluoropolymers and plastics. The same applies to fluorinated elastomer tubing made of Viton® or FPM/FKM.
Our range of gas-tight hoses is composed as follows:
Fluoropolymer antistatic double-jacketed suction and pressure variants are used in chemical engineering, the mineral oil industry, and process engineering/process chemistry. In these fields, they serve as chemical, fuel, gasoline, and mineral oil conduits. The fluoropolymer antistatic double-jacketed suction and pressure tubes are impermeable because their inner lining is made of a fluoropolymer that also has electrically conductive or dissipative properties. The operating temperature of this compound ranges from –30 °C to +100 °C, with short-term exposure to +130 °C for steam-out lasting up to 35 minutes. The discharge resistance of the fluoropolymer product is <10⁶ ohms.
Gas-tight PTFE hoses
PTFE antistatic chemical variants are used in hazardous (ATEX/Ex) areas and filled with fine carbon black; their discharge resistance is <10⁶ ohms. They are used in semiconductor technology, measurement and control technology, as well as laboratory and chemical technology. The Shore hardness is D 56° according to DIN 53505 (German industry norm), and the operating temperature ranges from –200 °C to +250 °C.
PTFE chemical products are used in chemical engineering, microelectronics, process engineering, biotechnology, and analytics. PTFE hoses are also valued as machine components due to their impermeable properties. These tubes are suitable for temperature ranges from –200 °C to +260 °C and can also withstand short-term exposure to +280 °C. Their chemical resistance is universal, both to inorganic and organic media.
PTFE – colored – are colored PTFE hoses with absolutely impermeable properties. The colored PTFE chemical variants are manufactured in yellow, green, red, blue, violet, orange, and black. Their temperature resistance lies between –200 °C and +260 °C, with short-term tolerance up to +280 °C. Colored PTFE chemical products are available in outer diameters of 1.6 mm, 4 mm, and 6 mm.
PTFE high-pressure tubing is calibrated for pressure requirements up to 300 bar at +20 °C. The pressure-bearing element is an external stainless steel braid made of 1.4301.
PTFE corrugated hoses with smooth outer jacket are used in pharmaceutical technology as pharmaceutical conduits, in food technology as food conduits, and in petrochemicals as fuel, gasoline, and mineral oil conduits. Their application range includes process chemistry in refinery operations, pharmaceutical production, and chemical technology. They are suitable for use in Ex zones and have a through-resistance of <10⁹ ohms (inside and out). The operating temperature for these impermeable hoses ranges from –20 °C to +150 °C. The products are vacuum-resistant up to 0.9 bar at +20 °C and are rated for working pressures of 16 bar at +20 °C. They are FDA and BfR compliant.
Clear MFA hoses – gas-tight
MFA chemical variants are completely transparent and regarded as high-performance tubes in chemical engineering. They demonstrate extremely high mechanical, thermal, and chemical resistance. Their applications include analytics, environmental technology, hydraulics, biotechnology, and semiconductor technology. The operating temperature ranges from –70 °C to +140 °C. Shore hardness is D 59° according to DIN 53505. These MFA products are resistant to most inorganic and organic media.
FEP chemical hoses – gas-impermeable
FEP hoses are absolutely impermeable. They are classified as fractional inch products and are available in dimensions of 1.6 mm, 2.4 mm, and 3.2 mm outer diameter. Shore hardness is D 53° according to DIN 53505, and the operating temperature range is –70 °C to +200 °C. FEP products are used in medical technology, biotechnology, and laboratory environments in research settings.
FEP/LDPE composite hoses are BEV-A-Line variants equipped with an inner layer of FEP and classified as absolutely impermeable. These are used in equipment construction, chemical technology, and laboratory applications. The transport product is completely clear and transparent, making it ideal for use as a control line. The operating temperature is –30 °C to +90 °C. The pressure range is from 14 bar to 63 bar at +20 °C, depending on the dimensions.
FEP antistatic double-jacketed pharmaceutical suction and pressure hoses are used as chemical, pharmaceutical, process, mineral oil, and gasoline conduits. Their resistance to inorganic and organic media is absolute. The inner layer is made of a seamless, smooth FEP lining that ensures optimal residue drainage. These FEP tubes are electrically dissipative with a discharge resistance of 10⁶ ohms. Vacuum resistance is up to 900 mbar, and the working pressure is 16 bar at +20 °C.
FEP/PVC pharmaceutical composite products are impermeable and FDA and BfR compliant, and thus considered food-grade. These FEP/PVC composite variants are highly flexible, even at small bending radii, and virtually kink-resistant. They offer maximum chemical resistance to all inorganic and organic solvents. The temperature range is –10 °C to +77 °C, and the pressure rating, depending on size, ranges from 3.1 bar to 6.9 bar at +20 °C. These FEP/PVC pharmaceutical composite products are BEV-A-Line variants classified as impermeable.
Gas-tight PFA hoses
PFA antistatic chemical hoses are classified as gas-impermeable. They have antistatic and electrically conductive properties, with a discharge resistance <10⁶ ohms. Their application area includes explosion hazard zones, where they are used for Ex protection. Operating temperature: –200 °C to +250 °C. These hoses are gas-tight and FDA, BfR, and European Pharmacopoeia compliant.
PFA hoses are used in mechanical engineering, process technology, equipment construction, and process engineering. They are rated for pressures of 20 bar at +20 °C and are available in outer diameters of 1.6 mm, 3.2 mm, 6.4 mm, and 6.0 mm. The constant temperature range for these gas-tight PFA hoses is –260 °C to +260 °C, with short-term exposure up to +285 °C.
PVDF gas-impermeable hose types
PVDF products are impermeable and used as chemical, pharmaceutical, and food conduits. They offer extremely high mechanical strength and excellent chemical resistance. These impermeable PVDF variants are suitable for temperatures from –40 °C to +150 °C, with Shore hardness D 77° in accordance with DIN 53505 or ISO 868. PVDF hoses are characterized by their high hardness and exceptional mechanical durability.
FPM chemical hoses – gas-tight
FPM chemical hoses – High Flexible 62 – are nearly impermeable products, also known as Viton® variants. FPM/FKM chemical products are highly flexible and ideally suited for use in peristaltic pumps. Their Shore hardness is A 62° according to DIN 53505. Their chemical resistance and impermeability are outstanding.
FPM chemical variants – Standard Flexible 75 – are Viton® products. They are considered nearly impermeable. Due to their Shore hardness of A 75°, they are also used as machine components. In addition to impermeability, their chemical resistance is particularly noteworthy. They are resistant to hydrocarbons, mineral, vegetable and animal oils, as well as to aromatic and chlorinated solvents, and to many acids and alkalis. These FPM/FKM products are used in chemical engineering, laboratory technology, medical technology, biotechnology, and analytics.
FPM double-jacketed chemical variants are used in process technology and in the mineral oil industry as gasoline, mineral oil, and fuel conduits. Their temperature range is –20 °C to +120 °C, and their working pressure is 10 bar at +20 °C across all dimensions. These impermeable hoses made of FPM/FKM (Viton®) are resistant to ozone and oxygen, and also resistant to aging and weathering.
FPM products with stainless steel wire braiding are considered impermeable and are also referred to as Viton® variants (braided). They are rated for pressures between 6 bar and 8 bar at +20 °C and have a Shore hardness of A 75° in accordance with DIN 53505. The FPM/FKM/Viton® products are available in sizes DN 8, 10, 12, 15, 18, and 20.
Tygon hoses for safe use with gas
Tygon micro-analysis variants are used in medical technology and laboratory technology. These impermeable products made of cross-linked PVC (Tygon) are pyrogen-free and blood-compatible. Their smooth inner surface prevents deposits. Shore hardness is A 80° according to DIN 53505 or ASTM D2240. These Tygon micro-analysis tubes are FDA and BfR compliant, and meet USP Class VI standards.
Tygon laboratory and vacuum variants – FDA – are impermeable products used in pharmaceutical, laboratory, and medical technology. They are soft and flexible, resistant to aging, weathering, and oxidation. Operating temperature: –10 °C to +74 °C. Shore hardness is A 55° according to DIN 53505 or ASTM D2240. These products made of cross-linked PVC – Tygon – are FDA and BfR compliant and meet USP Class VI standards.
Tygon products for medical applications are absolutely impermeable and used in both surgery and medical technology. They are especially common in heart-lung machines. These products offer an exceptionally long service life, are non-toxic, pyrogen-free, and blood-compatible. Shore hardness: A 65° according to DIN 53505 or ASTM D2240. Operating temperature: –10 °C to +74 °C.
Tygon acid and alkali variants are classified as impermeable. They meet the highest requirements in chemical, laboratory, and pharmaceutical technology. They are resistant to strong acids. Shore hardness: A 64° according to DIN 53505 or ASTM D2240. These products are flexible and soft, with an elongation at break of 350 %. As impermeable variants, they meet UL 94 V0 and UL 94 HB flammability ratings.
Order gas-safe hoses and hose connectors online at rct-online.de
RCT stocks the full range of gas-tight or gas-impermeable hoses. All hose types and suitable hose connectors, cocks, taps and valves for use with gases are available in many variants in our online shop. Please feel free to contact us with any questions.
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Gas-tight hoses made of PTFE, MFA, FEP, PFA, PVDF, BEV-A-Line, FPM and Tygon/PVC are gas-impermeable hoses
Gas-tight hoses are considered gas-impermeable, which RCT stocks as fluoropolymer or elastomer tubes. The fluoropolymer types include PTFE, MFA, FEP, PVDF, and PFA. BEV-A-Line products, on the other hand, are plastic hoses that are also used as particle hoses. Viton® or FPM/FKM tubes are classified as elastomer variants. The entire range is primarily used for the transfer of aggressive chemicals such as NO, NOx, SO₂, and SO₃. These materials offer complete resistance when it comes to fluoropolymers and plastics. The same applies to fluorinated elastomer tubing made of Viton® or FPM/FKM.
Our range of gas-tight hoses is composed as follows:
Fluoropolymer antistatic double-jacketed suction and pressure variants are used in chemical engineering, the mineral oil industry, and process engineering/process chemistry. In these fields, they serve as chemical, fuel, gasoline, and mineral oil conduits. The fluoropolymer antistatic double-jacketed suction and pressure tubes are impermeable because their inner lining is made of a fluoropolymer that also has electrically conductive or dissipative properties. The operating temperature of this compound ranges from –30 °C to +100 °C, with short-term exposure to +130 °C for steam-out lasting up to 35 minutes. The discharge resistance of the fluoropolymer product is <10⁶ ohms.
Gas-tight PTFE hoses
PTFE antistatic chemical variants are used in hazardous (ATEX/Ex) areas and filled with fine carbon black; their discharge resistance is <10⁶ ohms. They are used in semiconductor technology, measurement and control technology, as well as laboratory and chemical technology. The Shore hardness is D 56° according to DIN 53505 (German industry norm), and the operating temperature ranges from –200 °C to +250 °C.
PTFE chemical products are used in chemical engineering, microelectronics, process engineering, biotechnology, and analytics. PTFE hoses are also valued as machine components due to their impermeable properties. These tubes are suitable for temperature ranges from –200 °C to +260 °C and can also withstand short-term exposure to +280 °C. Their chemical resistance is universal, both to inorganic and organic media.
PTFE – colored – are colored PTFE hoses with absolutely impermeable properties. The colored PTFE chemical variants are manufactured in yellow, green, red, blue, violet, orange, and black. Their temperature resistance lies between –200 °C and +260 °C, with short-term tolerance up to +280 °C. Colored PTFE chemical products are available in outer diameters of 1.6 mm, 4 mm, and 6 mm.
PTFE high-pressure tubing is calibrated for pressure requirements up to 300 bar at +20 °C. The pressure-bearing element is an external stainless steel braid made of 1.4301.
PTFE corrugated hoses with smooth outer jacket are used in pharmaceutical technology as pharmaceutical conduits, in food technology as food conduits, and in petrochemicals as fuel, gasoline, and mineral oil conduits. Their application range includes process chemistry in refinery operations, pharmaceutical production, and chemical technology. They are suitable for use in Ex zones and have a through-resistance of <10⁹ ohms (inside and out). The operating temperature for these impermeable hoses ranges from –20 °C to +150 °C. The products are vacuum-resistant up to 0.9 bar at +20 °C and are rated for working pressures of 16 bar at +20 °C. They are FDA and BfR compliant.
Clear MFA hoses – gas-tight
MFA chemical variants are completely transparent and regarded as high-performance tubes in chemical engineering. They demonstrate extremely high mechanical, thermal, and chemical resistance. Their applications include analytics, environmental technology, hydraulics, biotechnology, and semiconductor technology. The operating temperature ranges from –70 °C to +140 °C. Shore hardness is D 59° according to DIN 53505. These MFA products are resistant to most inorganic and organic media.
FEP chemical hoses – gas-impermeable
FEP hoses are absolutely impermeable. They are classified as fractional inch products and are available in dimensions of 1.6 mm, 2.4 mm, and 3.2 mm outer diameter. Shore hardness is D 53° according to DIN 53505, and the operating temperature range is –70 °C to +200 °C. FEP products are used in medical technology, biotechnology, and laboratory environments in research settings.
FEP/LDPE composite hoses are BEV-A-Line variants equipped with an inner layer of FEP and classified as absolutely impermeable. These are used in equipment construction, chemical technology, and laboratory applications. The transport product is completely clear and transparent, making it ideal for use as a control line. The operating temperature is –30 °C to +90 °C. The pressure range is from 14 bar to 63 bar at +20 °C, depending on the dimensions.
FEP antistatic double-jacketed pharmaceutical suction and pressure hoses are used as chemical, pharmaceutical, process, mineral oil, and gasoline conduits. Their resistance to inorganic and organic media is absolute. The inner layer is made of a seamless, smooth FEP lining that ensures optimal residue drainage. These FEP tubes are electrically dissipative with a discharge resistance of 10⁶ ohms. Vacuum resistance is up to 900 mbar, and the working pressure is 16 bar at +20 °C.
FEP/PVC pharmaceutical composite products are impermeable and FDA and BfR compliant, and thus considered food-grade. These FEP/PVC composite variants are highly flexible, even at small bending radii, and virtually kink-resistant. They offer maximum chemical resistance to all inorganic and organic solvents. The temperature range is –10 °C to +77 °C, and the pressure rating, depending on size, ranges from 3.1 bar to 6.9 bar at +20 °C. These FEP/PVC pharmaceutical composite products are BEV-A-Line variants classified as impermeable.
Gas-tight PFA hoses
PFA antistatic chemical hoses are classified as gas-impermeable. They have antistatic and electrically conductive properties, with a discharge resistance <10⁶ ohms. Their application area includes explosion hazard zones, where they are used for Ex protection. Operating temperature: –200 °C to +250 °C. These hoses are gas-tight and FDA, BfR, and European Pharmacopoeia compliant.
PFA hoses are used in mechanical engineering, process technology, equipment construction, and process engineering. They are rated for pressures of 20 bar at +20 °C and are available in outer diameters of 1.6 mm, 3.2 mm, 6.4 mm, and 6.0 mm. The constant temperature range for these gas-tight PFA hoses is –260 °C to +260 °C, with short-term exposure up to +285 °C.
PVDF gas-impermeable hose types
PVDF products are impermeable and used as chemical, pharmaceutical, and food conduits. They offer extremely high mechanical strength and excellent chemical resistance. These impermeable PVDF variants are suitable for temperatures from –40 °C to +150 °C, with Shore hardness D 77° in accordance with DIN 53505 or ISO 868. PVDF hoses are characterized by their high hardness and exceptional mechanical durability.
FPM chemical hoses – gas-tight
FPM chemical hoses – High Flexible 62 – are nearly impermeable products, also known as Viton® variants. FPM/FKM chemical products are highly flexible and ideally suited for use in peristaltic pumps. Their Shore hardness is A 62° according to DIN 53505. Their chemical resistance and impermeability are outstanding.
FPM chemical variants – Standard Flexible 75 – are Viton® products. They are considered nearly impermeable. Due to their Shore hardness of A 75°, they are also used as machine components. In addition to impermeability, their chemical resistance is particularly noteworthy. They are resistant to hydrocarbons, mineral, vegetable and animal oils, as well as to aromatic and chlorinated solvents, and to many acids and alkalis. These FPM/FKM products are used in chemical engineering, laboratory technology, medical technology, biotechnology, and analytics.
FPM double-jacketed chemical variants are used in process technology and in the mineral oil industry as gasoline, mineral oil, and fuel conduits. Their temperature range is –20 °C to +120 °C, and their working pressure is 10 bar at +20 °C across all dimensions. These impermeable hoses made of FPM/FKM (Viton®) are resistant to ozone and oxygen, and also resistant to aging and weathering.
FPM products with stainless steel wire braiding are considered impermeable and are also referred to as Viton® variants (braided). They are rated for pressures between 6 bar and 8 bar at +20 °C and have a Shore hardness of A 75° in accordance with DIN 53505. The FPM/FKM/Viton® products are available in sizes DN 8, 10, 12, 15, 18, and 20.
Tygon hoses for safe use with gas
Tygon micro-analysis variants are used in medical technology and laboratory technology. These impermeable products made of cross-linked PVC (Tygon) are pyrogen-free and blood-compatible. Their smooth inner surface prevents deposits. Shore hardness is A 80° according to DIN 53505 or ASTM D2240. These Tygon micro-analysis tubes are FDA and BfR compliant, and meet USP Class VI standards.
Tygon laboratory and vacuum variants – FDA – are impermeable products used in pharmaceutical, laboratory, and medical technology. They are soft and flexible, resistant to aging, weathering, and oxidation. Operating temperature: –10 °C to +74 °C. Shore hardness is A 55° according to DIN 53505 or ASTM D2240. These products made of cross-linked PVC – Tygon – are FDA and BfR compliant and meet USP Class VI standards.
Tygon products for medical applications are absolutely impermeable and used in both surgery and medical technology. They are especially common in heart-lung machines. These products offer an exceptionally long service life, are non-toxic, pyrogen-free, and blood-compatible. Shore hardness: A 65° according to DIN 53505 or ASTM D2240. Operating temperature: –10 °C to +74 °C.
Tygon acid and alkali variants are classified as impermeable. They meet the highest requirements in chemical, laboratory, and pharmaceutical technology. They are resistant to strong acids. Shore hardness: A 64° according to DIN 53505 or ASTM D2240. These products are flexible and soft, with an elongation at break of 350 %. As impermeable variants, they meet UL 94 V0 and UL 94 HB flammability ratings.
Order gas-safe hoses and hose connectors online at rct-online.de
RCT stocks the full range of gas-tight or gas-impermeable hoses. All hose types and suitable hose connectors, cocks, taps and valves for use with gases are available in many variants in our online shop. Please feel free to contact us with any questions.
