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Nuaflex Industrial Hoses: The Definitive Product Guide

Nuaflex delivers an extensive portfolio of industrial metal hoses, meticulously engineered to excel in the most demanding and diverse applications. From simple fluid transfer to the conveyance of corrosive chemicals at extreme temperatures, our hoses provide the critical reliability and durability modern industry requires. This guide details our core industrial hose products, all of which are designed to meet specific operational challenges and comply with DIN EN ISO 10380 standards.

Standard Corrugated Metal Hose (NUAFLEX Standard)

				SNF: STANDARD CORRUGATED HOSE DIMENSIONS DATA SHEET
DN	Inch	Model	Internal Diameter	Outside Diameter	Tolerance	Minimum Bending Radius	Nominal Bending Radius	Nominal Pressure DIN EN ISO 10380/SF4
			[mm]	[mm]	[mm]	r_min [mm]	r_n [mm]	PN [bar]
6	1/4″	Non-braided	6.3	9.6	± 0,20	15	80	24
		Braided		11.3		25		150
8	5/16″	Non-braided	8.3	12.4	± 0,20	16	125	17
		Braided		13.8		32		140
10	3/8″	Non-braided	9.8	14.2	± 0,20	18	130	12
		Braided		15.7		38		105
12	1/2″	Non-braided	12.5	16.7	± 0,20	20	139	9
		Braided		17.6		45		70
16	5/8″	Non-braided	16.0	21.2	± 0,20	28	165	7
		Braided		23.2		58		65
20	3/4″	Non-braided	20.5	26.7	± 0,20	32	175	6
		Braided		28.2		70		55
25	1″	Non-braided	25.5	31.7	± 0,30	40	190	3
		Braided		33.6		85		49
32	1 1/4″	Non-braided	34.0	41.3	± 0,30	50	260	2.5
		Braided		43.5		95		35
40	1 1/2″	Non-braided	40.2	49.9	± 0,30	60	300	2
		Braided		52.3		130		30
50	2″	Non-braided	50.4	60.3	± 0,40	70	320	1.6
		Braided		62.5		160		26
65	2 1/2″	Non-braided	66.1	77.0	± 0,50	115	460	1.3
		Braided		80.5		200		25
80	3″	Non-braided	80.2	95.1	± 0,50	130	660	1.5
		Braided		97.9		240		16
100	4″	Non-braided	100.1	116.3	± 0,50	160	750	1
		Braided		119.6		290		10

The NUAFLEX Standard is our flagship, a versatile and mechanically formed corrugated hose designed for a broad spectrum of fluid transfer applications. Its engineered design offers an optimal balance of flexibility and robust strength.

Key Features:

Operating Temperature: -270°C to 600°C.

Construction: Mechanically corrugated with a normal pitch, ensuring excellent resistance to aging and environmental factors.

Configurations: Available with a single wire braid for enhanced pressure resistance or without a braid for lower-pressure applications.

Integrity: Advanced production methods guarantee superior leak-proof performance.

Primary Applications:

Perfect for fluid transfer in chemical, petrochemical, cryogenic, nuclear, and thermal industries.
Highly suitable for static installations and applications involving cyclic movements with minimal amplitudes.

Wide Pitch Corrugated Metal Hose (NUAFLEX Wide)

				WNF: WIDE PITCH CORRUGATED HOSE DIMENSIONS DATA SHEET
DN	Inch	Model	Internal Diameter	Outside Diameter	Tolerance	Minimum Bending Radius	Nominal Bending Radius	Nominal Pressure DIN EN ISO 10380/SF4
			[mm]	[mm]	[mm]	r_min [mm]	r_n [mm]	PN [bar]
12	1/2″	Non-braided	12.0	16.3	± 0.20	20	100	21
16	5/8″	Non-braided	16.5	21.3	± 0.20	25	120	16
20	3/4″	Non-braided	20.8	26.2	± 0.20	30	160	10
25	1″	Non-braided	25.8	31.5	± 0.30	35	200	9
32	1 1/4″	Non-braided	33.8	40.2	± 0.30	40	380	4
40	1 1/2″	Non-braided	40.6	49.5	± 0.30	65	500	3.5
50	2″	Non-braided	50.7	60.1	± 0.40	75	650	3

The NUAFLEX Wide features a broader corrugation pitch, resulting in a lighter hose with specific advantages for applications requiring easier cleaning and lower pressure drop.

Key Features:

Operating Temperature: -270°C to 600°C.

Construction: Mechanically formed wide pitch corrugation.

Cleanability: The wider pitch design is an excellent choice for the food and beverage industry and other applications where internal cleaning is a priority.

Integrity: A reliable, leak-resistant design ensures safe and efficient operation.

Primary Applications:

Loading and unloading tank trucks with gases, chemicals, and other hot or cold media.

Serving as self-supporting annular corrugated hoses for device pipelines or connecting heating equipment.
Frequently used in the food industry due to its sanitary-friendly wide corrugation profile.

High-Flexibility Corrugated Metal Hose (NUAFLEX Extra)

The N-FLEX Pro is engineered for maximum flexibility and dynamic performance. Its closed-pitch corrugation design makes it the ideal solution for applications involving significant movement, vibration, and tight bending radii.

Key Features:

Operating Temperature: -270°C to 600°C.

Construction: Mechanically formed with a very tight, closed corrugation pitch for superior flexibility.

Configurations: Available with a single wire braid for higher pressure containment or without for maximum agility.

Performance: Specifically designed to withstand repetitive motion, dynamic stress, and heavy vibration.

Primary Applications:

Transport of liquids and gases in vacuum technology, petrochemicals, and nuclear systems.

Instrumentation lines, automotive exhaust systems, and demanding HVAC applications.

Perfect for cryogenic conditions where flexibility must be maintained at low temperatures.

Heavy-Duty Standard Corrugated Hose (NUAFLEX HD)

				HSNF: HIGH PRESSURE STANDARD CORRUGATED HOSE DIMENSIONS DATA SHEET
DN	Inch	Model	Internal Diameter	Outside Diameter	Tolerance	Minimum Bending Radius	Nominal Bending Radius	Nominal Pressure DIN EN ISO 10380/SF4
			[mm]	[mm]	[mm]	r_min [mm]	r_n [mm]	PN [bar]
6	1/4″	Non-braided	6.1	9.5	± 0,20	17	110	40
		Braided		11.3		25		180
8	5/16″	Non-braided	8.3	12.4	± 0,20	16	130	50
		Braided		13.8		32		200
10	3/8″	Non-braided	9.5	14.1	± 0,20	18	130	25
		Braided		15.7		38		105
12	1/2″	Non-braided	12.4	16.8	± 0,20	20	139	7
		Braided		17.8		45		70
16	5/8″	Non-braided	16.3	21.8	± 0,20	28	195	17
		Braided		23.3		58		65
20	3/4″	Non-braided	19.9	26.3	± 0,20	32	285	7
		Braided		28.2		70		55
25	1″	Non-braided	25.2	31.6	± 0,30	40	360	6
		Braided		34.1		95		49
32	1 1/4″	Non-braided	33.0	41.0	± 0,30	50	380	4
		Braided		43.3		105		35
40	1 1/2″	Non-braided	40.1	49.8	± 0,30	60	430	2.5
		Braided		51.8		130		50
50	2″	Non-braided	50.7	60.2	± 0,40	70	490	2.5
		Braided		63.5		160		26

The NUAFLEX HD is a heavy-duty evolution of our standard hose, featuring a thicker wall for increased durability and pressure resistance in severe service conditions.

Key Features:

Operating Temperature: -270°C to 600°C.

Construction: Standard corrugation profile with an increased wall thickness for enhanced strength and lifespan.

Pressure Rating: Engineered for significantly higher pressure resistance compared to the standard model.

Configurations: Available braided for maximum pressure or unbraided.

Primary Applications:

High-pressure transfer of liquid or gaseous substances in the chemical and petroleum sectors.

Demanding industrial applications, including steam lines, turbines, and plate presses.

Any environment requiring high-pressure resistance combined with flexibility and longevity.

Heavy-Duty Wide Pitch Corrugated Hose (NUAFLEX HD-Wide)

				HWNF: WIDE PITCH BOILER CORRUGATED HEAT EXCHANGER HOSE DIMENSIONS DATA SHEET
DN	Inch	Model	Internal Diameter	Outside Diameter	Tolerance	Minimum Bending Radius	Surface Area	Nominal Pressure DIN EN ISO 10380/SF4
			[mm]	[mm]	[mm]	r_min [mm]	[m²/m]	PN [bar]
16	5/8″	Non-braided	16.3	21.7	± 0.30	25	0.119	16
20	3/4″	Non-braided	20.1	26.2	± 0.30	30	0.145	12
25	1″	Non-braided	25.2	31.5	± 0.30	35	0.178	10
32	1 1/4″	Non-braided	33.1	40.1	± 0.40	40	0.230	6
40	1 1/2″	Non-braided	40.6	49.5	± 0.50	50	0.283	6
50	2″	Non-braided	50.7	60.1	± 0.50	78	0.348	6

The NUAFLEX HD-Wide combines the benefits of a wide corrugation with a heavy-duty, thicker wall construction, delivering exceptional robustness in demanding, high-flow applications.

Key Features:

Operating Temperature: -270°C to 600°C.

Construction: Wide pitch corrugation profile with increased wall thickness.

Performance: Offers a unique balance of high-flow capability, enhanced pressure resistance, and superior durability in extreme environments.

Integrity: A leak-resistant design built for the toughest operational challenges.

Primary Applications:

Transportation of industrial gases and media in steam engines, turbines, and plate presses.

Suitable for nuclear technology and HVAC systems where both durability and high flow rates are required.
Ideal for processes requiring resistance to high pressure under hostile conditions.

What are Nuaflex industrial hoses used for?

Nuaflex industrial hoses are designed for a wide range of applications including industrial systems, machinery connections, fluid transfer, and high-performance installations.

Are Nuaflex industrial hoses resistant to high temperature and pressure?

Yes. Nuaflex industrial hoses are engineered to withstand high temperatures and pressure levels, depending on the hose type and application requirements.

Do Nuaflex industrial hoses comply with international standards?

Nuaflex industrial hoses are manufactured in accordance with relevant international standards such as DIN EN 10380, ensuring safety, durability, and long service life.

Can Nuaflex industrial hoses be customized for specific projects?

Yes. Nuaflex offers customized industrial hose solutions based on project needs, including different lengths, diameters, and connection options.