Is the RPU reinforced polyurethane hose suitable for use with food-grade liquids and potable water applications?

RPU reinforced polyurethane hose is suitable for many hygienic and industrial fluid-transfer applications, but whether it is appropriate for food-grade liquids and potable water depends on certification and compliance details not fully specified in the description. Positive indicators: - Inner layer is transparent polyurethane-polyether, which is commonly used in food-contact hoses for good flexibility and chemical resistance. - Contains no cadmium, silicone, plasticizers, or halogen compounds.helpful for avoiding common contaminants. - Resistant to hydrolysis and abrasion, and flexible at low temperatures.beneficial for durability in potable-water and food-processing environments. Missing/uncertain points that determine suitability: - No explicit statement of food-grade or potable-water approvals (e.g., FDA 21 CFR 177.2600, EU Regulation 10/2011, WRAS, NSF/ANSI 61, or equivalent). - No information on overall migration, extractables, odor/taste neutrality, or manufacturing hygiene standards. - No traceability or certification for contact with specific food types (oils, acidic or alcoholic products) or temperature/time limits for food safety. Recommendation: Request from the supplier the relevant food-contact and potable-water certifications (FDA, EU, NSF/WRAS or equivalent), test reports for extractables/migration and organoleptic neutrality, and confirmation of suitability for the specific liquids and temperatures you plan to use. If those certifications are provided, RPU reinforced polyurethane hose can be considered suitable; without them, do not assume compliance for food-grade or potable-water use.

Can RPU reinforced polyurethane hose withstand repeated flexing and abrasion in outdoor installations?

Yes. RPU reinforced polyurethane hose is specifically designed for demanding outdoor use: its polyurethane-polyether inner and outer layers plus polyester braid reinforcement give high resistance to repeated flexing and mechanical abrasion. It is stronger than comparable PVC hoses, maintains shape, resists kinking, hydrolysis and abrasion, and remains flexible down to â30Â°C. Working pressure (10â20 bar at 20Â°C, depending on diameter) declines with temperature rise, and occasional exposure up to +100Â°C is allowed. Avoid conditions exceeding the stated temperature/pressure limits or severe chemical exposure beyond its compatibility list to ensure long-term performance.

Can RPU reinforced polyurethane hose be used for suction and transfer of abrasive chemical slurries?

Yes. RPU reinforced polyurethane hose can be used for suction and transfer of abrasive chemical slurries, with important caveats. Why itâs suitable: - Material: Polyurethane-polyether inner and outer layers offer excellent abrasion resistance compared with PVC and good chemical resistance to many media. - Reinforcement: Polyester braid provides high working pressures (10â20 bar at 20Â°C depending on diameter) and helps maintain shape and resist kinking under suction. - Operating range: Flexible from â30Â°C to +70Â°C (short-term to +100Â°C); hydrolysis-resistant and free of cadmium, silicone, plasticizers and halogens. Limitations and considerations: - Chemical compatibility: âChemicalsâ is broad. confirm compatibility of the specific chemicals in the slurry with polyurethane/polyester (some aggressive solvents, concentrated acids or alkalis and certain oxidizers can degrade polyurethanes or polyester). Perform supplier compatibility checks or testing. - Abrasiveness and lifetime: Although abrasion-resistant, highly abrasive slurries will increase wear. Expect shorter service life vs. non-abrasive fluids; consider thicker wall, larger diameter, or sacrificial liners for heavy abrasion. - Suction performance: For vacuum/suction, ensure hose and braid construction withstand collapse under negative pressure; check manufacturer vacuum rating and use proper support if required. - Temperature/pressure effect: Working pressure falls with increasing temperature; ensure system pressures at operating temperature remain within allowable limits. - Installation and fittings: Use compatible end fittings and clamps rated for the hose and the slurry application to avoid leaks or mechanical failure. Recommendation: Confirm chemical compatibility and vacuum rating with the manufacturer, select an appropriate diameter/wall thickness for abrasive slurries, and plan for inspection/replacement intervals based on slurry abrasiveness.

RPU reinforced polyurethane hose

All products, General purpose hoses/

Additional information

Material	PU – polyurethane
Maximum operating temperature [°C]	70
Minimum operating temperature [°C]	-30
Vacuum resistance	no
Standard length [m]	30
Reinforcement	polyester braid

Universal flexible high-quality polyurethane hose with a braid produced in the United Kingdom. Designed for water, air, oils, fuels, lubricants, chemicals, and granules. Stronger than similar PVC hoses, maintaining its shape, resistant to kinking, hydrolysis, and abrasion, flexible at low temperatures. Contains no cadmium, silicone, plasticizers, or halogen compounds. Inner layer: transparent polyurethane-polyether. Reinforcement: polyester braid. Outer layer: transparent polyurethane-polyether. Working pressure at 20°C: from 10 bar to 20 bar – depending on the hose diameter. Operating temperature: from -30°C to +70°C (temporarily +100°C). As the operating temperature increases, the working pressure value of the hose decreases.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
CX-RPU-06	Polyurethane hose type RPU 6.3x11.5 mm	6	20	In stock	Enquiry
CX-RPU-10	Polyurethane hose type RPU 10x16 mm	10	16	In stock	Enquiry
CX-RPU-13	Polyurethane hose type RPU 12.5x18.5 mm	12	15	In stock	Enquiry
CX-RPU-16	Polyurethane hose type RPU 16x23 mm	16	13	In stock	Enquiry
CX-RPU-19	Polyurethane hose type RPU 19x26 mm	20	11	In stock	Enquiry
CX-RPU-25	Polyurethane hose type RPU 25x33 mm	25	10	In stock	Enquiry

Do you need a larger quantity of products or a bespoke quote?

Call us: +48 61 653 02 22 or email us: tubes@tubes-international.com

SEND ENQUIRY

Universal flexible high-quality polyurethane hose with a braid produced in the United Kingdom. Designed for water, air, oils, fuels, lubricants, chemicals, and granules. Stronger than similar PVC hoses, maintaining its shape, resistant to kinking, hydrolysis, and abrasion, flexible at low temperatures. Contains no cadmium, silicone, plasticizers, or halogen compounds. Inner layer: transparent polyurethane-polyether. Reinforcement: polyester braid. Outer layer: transparent polyurethane-polyether. Working pressure at 20°C: from 10 bar to 20 bar – depending on the hose diameter. Operating temperature: from -30°C to +70°C (temporarily +100°C). As the operating temperature increases, the working pressure value of the hose decreases.

Additional information

Material	PU – polyurethane
Maximum operating temperature [°C]	70
Minimum operating temperature [°C]	-30
Vacuum resistance	no
Standard length [m]	30
Reinforcement	polyester braid