
OSW fire hoses
Professional fire hoses
Hoses with EPDM or Nitrile/PVC linings, from D 25 to 254 mm – for interior attack, hydrant cabinets, wildland fires and the toughest conditions, plus hydrant hoses to EN 14540.
Find a hose by diameter
Choose a diameter – the models available in that size appear, with working pressure and weight.
- Diameter
- 52 (L1 / L2 / L3) mm (2″)
- Working pressure
- 16 bar
- Burst pressure
- 75 / 77 / 80 bar
- Weight
- 290 / 305 / 320 g/m
- Diameter
- 52 mm (2″)
- Working pressure
- 15 bar
- Burst pressure
- 75 bar
- Weight
- 290 g/m
- Diameter
- 52 mm (2″)
- Working pressure
- 16 bar
- Burst pressure
- 60 bar
- Weight
- 400 g/m
- Diameter
- 52 mm
- Length
- 15 / 20 m
- Working pressure
- 15 bar
- Burst pressure
- 45 bar

OSW FIRE
The standard hose of fire brigades, in diameters from 25 to 205 mm and four signal colours. Diameters C 42, C 52 and B 75 are offered in three performance levels (L1–L3).
Construction
Inside: high-quality synthetic EPDM rubber, very light.
Outside: 100 % high-tenacity polyester yarn jacket, circular woven from multi-twisted yarns.
Features
- Very low weight that makes the firefighter's job easier
- Very good bending radius – high flexibility
- Low pressure loss thanks to the smooth EPDM lining
- EPDM is exceptionally resistant to ageing, ozone and UV rays
- Rot-proof and easy to maintain
- From −40 °C to +100 °C (for water)
- Also suitable for seawater, hot water, steam and many chemicals
- Signal colours give high visibility in buildings and difficult terrain
Performance levels – C 42, C 52 and B 75

3-ply twisted base, no identification stripes

Reinforced 3-ply base, 2 black stripes

4-ply twisted base, 3 black stripes
Abrasion resistance (DIN 14811/A2, 16 bar): C 42 / C 52 – L1 200, L2 400, L3 600 cycles · B 75 – L1 80, L2 120, L3 140 · D 25 and A 110 – 80 cycles. The “Protect” system over the binding is available as an option.
Technical data
| Inch | mm | Burst pressure – actual (bar) | Burst pressure – DIN (bar) | Working pressure – DIN (bar) | Bending radius (mm) | Flow (l/min) | Tensile strength (kg) | Wall thickness (mm) | Weight (g/m) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 25 | 90 | 60 | 16 | 250 | 140 | 2,300 | 1.50 | 130 |
| 1 1/4 | 32 | 90 | 60 | 16 | 320 | 140 | 2,600 | 1.50 | 165 |
| 1 1/2 | 38 | 85 | 60 | 16 | 380 | 500 | 3,200 | 1.65 | 190 |
| 1 2/3 | 42 (L1 / L2 / L3) | 70 / 72 / 74 | 60 | 16 | 420 | 600 | 4,200 / 5,200 / 6,200 | 1.65 | 240 / 250 / 260 |
| 1 3/4 | 45 | 70 | 60 | 16 | 450 | 800 | 3,800 | 1.65 | 245 |
| 2 | 52 (L1 / L2 / L3) | 75 / 77 / 80 | 60 | 16 | 520 | 1,200 | 5,800 / 6,600 / 7,700 | 1.65 | 290 / 305 / 320 |
| 2 1/6 | 55 | 73 | 60 | 16 | 550 | 1,200 | 4,600 | 1.65 | 315 |
| 2 1/2 | 64 / 65 / 66 | 73 | 60 | 16 | 640 / 650 / 660 | 1,800 | 5,700 | 1.75 | 385 |
| 2 3/4 | 70 | 69 | 60 | 16 | 700 | 1,800 | 6,800 | 1.75 | 425 |
| 3 | 75 (L1 / L2 / L3) | 67 / 69 / 71 | 60 | 16 | 750 | 2,400 | 8,600 / 10,200 / 10,200 | 1.75 | 475 / 500 / 525 |
| 3 1/2 | 90 | 55 | 35 | 12 | 900 | 3,500 | 9,100 | 1.95 | 580 |
| 4 | 102 | 50 | 35 | 12 | 1,020 | 4,700 | 9,500 | 1.95 | 660 |
| 4 1/3 | 110 | 50 | 35 | 12 | 1,100 | 5,200 | 11,700 | 1.95 | 780 |
| 5 | 125 | 45 | 35 | 12 | 1,250 | 7,000 | 12,800 | 2.10 | 870 |
| 6 | 150 | 42 | 35 | 12 | 1,500 | 10,000 | 12,800 | 2.10 | 950 |
| 8 | 205 | 35 | 30 | 10 | 2,050 | 20,000 | 24,500 | 2.10 | 1,075 |
Available colours
| mm | White | Yellow | Orange | Red |
|---|---|---|---|---|
| 25 | ||||
| 32 | ||||
| 38 | ||||
| 42 | ||||
| 45 | ||||
| 52 | ||||
| 55 | ||||
| 64–66 | ||||
| 70 | ||||
| 75 | ||||
| 90 | ||||
| 102 | ||||
| 110 | ||||
| 125 | ||||
| 150 | ||||
| 205 |

OSW FIRE SAFETY
C 42 mm hose for attack lines indoors: signal orange, with reflective and luminescent direction arrows that stay visible in darkness and smoke.
Construction
Inside: high-quality synthetic EPDM rubber, very light.
Outside: 100 % high-tenacity polyester yarn jacket, circular woven from multi-twisted yarns.
Features
- Direction arrows along the whole length, on both sides, reflective and luminescent
- SmartPROTECT tapered sleeves with an RFID chip at both ends (red, green)
- Modified construction – very flexible, lies flat, ideal for hose packs and baskets
- The signal colour and arrows make it easy to tell apart in buildings
- Very good bending radius – high flexibility
- Low pressure loss thanks to the smooth EPDM lining
- EPDM is exceptionally resistant to ageing, ozone and UV rays
- Rot-proof and easy to maintain
- From −40 °C to +100 °C (for water)
- Also suitable for seawater, hot water, steam and many chemicals
Technical data
| Inch | mm | Burst pressure – actual (bar) | Burst pressure – DIN (bar) | Working pressure – DIN (bar) | Bending radius (mm) | Flow (l/min) | Tensile strength (kg) | Wall thickness (mm) | Weight (g/m) |
|---|---|---|---|---|---|---|---|---|---|
| 1 2/3 | 42 | 75 | 60 | 16 | 420 | 600 | 6,200 | 1.65 | 240 |

OSW FIRE WH
Lay-flat hose for fixed indoor hydrant systems and hydrant cabinets, to DIN EN 14540.
Construction
Inside: high-quality synthetic EPDM rubber, very light.
Outside: 100 % high-tenacity polyester yarn jacket, circular woven from multi-twisted yarns.
Features
- Very low weight that makes the firefighter's job easier
- Very good bending radius – high flexibility
- Low pressure loss thanks to the smooth EPDM lining
- EPDM is exceptionally resistant to ageing, ozone and UV rays
- Rot-proof and easy to maintain
- From −40 °C to +100 °C (for water)
- Also suitable for seawater, hot water, steam and many chemicals
Technical data
| Inch | mm | Burst pressure – actual (bar) | Burst pressure – DIN (bar) | Working pressure – DIN (bar) | Bending radius (mm) | Flow (l/min) | Tensile strength (kg) | Wall thickness (mm) | Weight (g/m) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 25 | 90 | 45 | 15 | 250 | 140 | 2,300 | 1.50 | 130 |
| 1 1/2 | 38 | 85 | 45 | 15 | 380 | 500 | 3,200 | 1.65 | 190 |
| 1 2/3 | 42 | 70 | 45 | 15 | 420 | 600 | 4,200 | 1.65 | 240 |
| 1 3/4 | 45 | 70 | 45 | 15 | 450 | 800 | 3,800 | 1.65 | 245 |
| 2 | 52 | 75 | 45 | 15 | 520 | 1,200 | 5,800 | 1.65 | 290 |

OSW FOREST FIRE
Very light D 25 mm hose for forest and vegetation fires, with a percolation (self-wetting) effect that protects it from flames; in 4 colours.
Construction
Inside: high-quality synthetic EPDM rubber, very light.
Outside: 100 % high-tenacity polyester jacket (4 colours), circular woven and continuously needled for the percolation effect.
Features
- Self-protection through percolation: 10-minute flame test at 960 °C to DIN 14811
- Water loss of only 4.8 % at 9 bar (15 m length) – self-wetting
- Small coil diameter: about 25 mm for 15 m
- Extremely low weight and high flexibility in difficult terrain
- Signal colours with high visibility
- From −40 °C to +100 °C; easy to clean, maintenance-free
Technical data
| Inch | mm | Weight (g/m) | Burst pressure (bar) | Working pressure 1:3 (bar) | Wall thickness (mm) | Bending radius (mm) | Tensile strength (kg) |
|---|---|---|---|---|---|---|---|
| 1 | 25 | 150 | 100 | 33 | 1.60 | 250 | 2,300 |

OSW FOREST FIRE Special
An even lighter version of the wildland hose: about 1 kg less per 15 m length, with extended protective sleeves over the couplings.
Construction
Inside: high-quality synthetic EPDM rubber, very light.
Outside: 100 % high-tenacity polyester jacket (4 colours), circular woven and continuously needled for the percolation effect.
Features
- Weight 100 g/m – saves about 1 kg per 15 m length
- Self-protection: 10-minute flame test at 960 °C
- Water loss of only 4.8 % at 9 bar – self-wetting
- Extended sleeves over the couplings against impact, abrasion and moisture
- Small coil diameter: about 25 mm for 15 m
Technical data
| Inch | mm | Weight (g/m) | Burst pressure (bar) | Working pressure 1:3 (bar) | Wall thickness (mm) | Bending radius (mm) | Tensile strength (kg) |
|---|---|---|---|---|---|---|---|
| 1 | 25 | 100 | 100 | 33 | 1.60 | 250 | 2,300 |

OSW UNIDUR
Hose with a Nitrile/PVC rubber lining and cover, with longitudinal ribs – very high abrasion resistance for industry, ships and intensive use.
Construction
Inside: very smooth Nitrile/PVC rubber lining.
100 % polyester jacket embedded in the rubber compound – optimal protection.
Outside: Nitrile/PVC rubber cover with longitudinal ribs.
Features
- High abrasion resistance thanks to the longitudinal ribs
- The cover is easy to repair if damaged
- Low pressure loss thanks to the smooth lining
- Nitrile/PVC is highly resistant to ageing, ozone and UV
- From −40 °C to +100 °C; also for seawater, hot water and chemicals
Technical data
| Inch | mm | Burst pressure – actual (bar) | Burst pressure – DIN (bar) | Working pressure – DIN (bar) | Bending radius (mm) | Flow (l/min) | Tensile strength (kg) | Wall thickness (mm) | Weight (g/m) |
|---|---|---|---|---|---|---|---|---|---|
| 3/4 | 19 | 75 | 50 | 16 | 190 | 140 | 1,800 | 2.20 | 195 |
| 1 | 25 / 27 | 75 | 50 | 16 | 250 / 270 | 140 | 2,300 | 2.00 | 220 |
| 1 1/4 | 32 | 65 | 50 | 16 | 320 | 500 | 2,700 | 2.00 | 270 |
| 1 1/2 | 38 | 65 | 50 | 16 | 380 | 500 | 3,100 | 2.20 | 315 |
| 1 2/3 | 42 | 65 | 50 | 16 | 420 | 600 | 3,100 | 2.00 | 340 |
| 1 3/4 | 45 | 65 | 50 | 16 | 450 | 800 | 3,300 | 2.00 | 350 |
| 2 | 52 | 60 | 50 | 16 | 520 | 1,200 | 3,900 | 1.80 | 400 |
| 2 1/2 | 64 / 65 / 66 | 60 | 50 | 16 | 640 / 650 / 660 | 1,800 | 5,200 | 2.30 | 575 |
| 2 3/4 | 70 | 60 | 50 | 16 | 700 | 1,800 | 5,800 | 2.20 | 620 |
| 3 | 75 | 60 | 50 | 16 | 750 | 2,400 | 7,000 | 2.40 | 740 |
| 3 1/2 | 90 | 50 | 35 | 12 | 900 | 3,500 | 7,900 | 2.80 | 860 |
| 4 | 102 | 45 | 35 | 12 | 1,020 | 4,700 | 8,200 | 2.50 | 1,140 |
| 4 1/3 | 110 | 45 | 35 | 12 | 1,100 | 5,200 | 8,800 | 2.90 | 1,140 |
| 5 | 125 | 45 | 35 | 12 | 1,250 | 7,000 | 12,500 | 3.00 | 1,260 |
| 6 | 150 | 38 | 35 | 12 | 1,500 | 10,000 | 13,300 | 3.00 | 1,700 |
| 8 | 203 | 35 | 30 | 10 | 2,030 | 20,000 | 23,400 | 3.50 | 3,000 |
| 10 | 254 | On request |
Fire hydrant hoses
Discharge hoses to EN 14540 for indoor and outdoor hydrant cabinets – D 25 and C 52 mm, in 15 or 20 m lengths, without couplings or with aluminium couplings.

Hydrant hose H-25
Discharge hose for indoor hydrants and hydrant cabinets with a 25 mm diameter, to EN 14540, in 15 or 20 m lengths.
Features
- Lay-flat hose for indoor hydrant cabinets
- Tested and marked to EN 14540
- Supplied without couplings (B) or fitted with aluminium Storz couplings (ŁA)
- Standard length 15 m or 20 m
- Working pressure up to 15 bar, burst pressure at least 45 bar
- Operating temperature from −30 °C to +70 °C
Technical data
| Model | Inside diameter (mm) | Length (m) | Couplings | Weight (kg) | Max. working pressure (bar) | Min. burst pressure (bar) | Temperature (°C) |
|---|---|---|---|---|---|---|---|
| H-25-15-B | 25 | 15 | Without couplings | 1.31 | 15 | 45 | −30 to +70 |
| H-25-15-ŁA | 25 | 15 | Aluminium couplings | 1.50 | 15 | 45 | −30 to +70 |
| H-25-20-B | 25 | 20 | Without couplings | 1.75 | 15 | 45 | −30 to +70 |
| H-25-20-ŁA | 25 | 20 | Aluminium couplings | 1.90 | 15 | 45 | −30 to +70 |
B – hose without couplings · ŁA – hose fitted with aluminium couplings.
Request a quote for Hydrant hose H-25
Hydrant hose H-52
Discharge hose with a 52 mm diameter for hydrant cabinets (e.g. KH-1, KHMZ-1, KHNZ-2), to EN 14540, in 15 or 20 m lengths.
Features
- Lay-flat hose for indoor hydrant cabinets
- Tested and marked to EN 14540
- Supplied without couplings (B) or fitted with aluminium Storz couplings (ŁA)
- Standard length 15 m or 20 m
- Working pressure up to 15 bar, burst pressure at least 45 bar
- Operating temperature from −30 °C to +70 °C
Technical data
| Model | Inside diameter (mm) | Length (m) | Couplings | Weight (kg) | Max. working pressure (bar) | Min. burst pressure (bar) | Temperature (°C) |
|---|---|---|---|---|---|---|---|
| H-52-15-B | 52 | 15 | Without couplings | 3.45 | 15 | 45 | −30 to +70 |
| H-52-15-ŁA | 52 | 15 | Aluminium couplings | 4.60 | 15 | 45 | −30 to +70 |
| H-52-20-B | 52 | 20 | Without couplings | 3.95 | 15 | 45 | −30 to +70 |
| H-52-20-ŁA | 52 | 20 | Aluminium couplings | 5.10 | 15 | 45 | −30 to +70 |
B – hose without couplings · ŁA – hose fitted with aluminium couplings.
Request a quote for Hydrant hose H-52Model comparison
| OSW FIRE | OSW FIRE SAFETY | OSW FIRE WH | OSW FOREST FIRE | OSW FOREST FIRE Special | OSW UNIDUR | Hydrant hose H-25 | Hydrant hose H-52 | |
|---|---|---|---|---|---|---|---|---|
| Use | The firefighter's universal hose | For interior attack | For hydrant cabinets | For wildland fires | For wildland fires – the lightest version | For heavy duty, industry and marine use | For hydrant cabinets – D 25 mm | For hydrant cabinets – C 52 mm |
| Lining | EPDM inside, polyester outside | EPDM inside, polyester outside | EPDM inside, polyester outside | EPDM inside, polyester outside | EPDM inside, polyester outside | Nitrile/PVC inside and out | Lay-flat hose to EN 14540 | Lay-flat hose to EN 14540 |
| Diameters | 25–205 mm | 42 mm | 25–52 mm | 25 mm | 25 mm | 19–254 mm | 25 mm | 52 mm |
| Working pressure | 16 / 12 / 10 bar | 16 bar | 15 bar | 33 bar | 33 bar | 16 / 12 / 10 bar | 15 bar | 15 bar |
| Standards | DIN 14811:2008 + A1/A2/A3 – class 1 · BS 6391:2009 – Type 1 · ÖNORM F2105 | Pressures to DIN | DIN EN 14540:2014-09 | DIN 14811 – class 1 · AS 2792 (Australia) · Used in Germany, Greece, the USA, Australia and Argentina | DIN 14811 – class 1 · AS 2792 (Australia) | DIN 14811:2008 – class 3 · BS 6391:2009 – Type 3 · Lloyd's Register approval | EN 14540 · PN 15 bar | EN 14540 · PN 15 bar |
Service and options
Hoses can also be supplied fitted with Storz couplings, in the length you need.
Request a quote



