Fire remains one of the most devastating disasters faced by human society. In the battle against this relentless foe, fire hoses serve as an indispensable weapon for firefighters, delivering a continuous water supply to extinguish flames and protect lives and property. Among these, layflat fire hoses have gained widespread use in firefighting due to their easy deployment and storage capabilities. However, with a multitude of products available on the market, selecting a high-quality, reliable layflat fire hose becomes paramount for ensuring fire safety. This article explores key considerations for choosing layflat hoses and highlights products certified by authoritative standards like UL and BSI.
Layflat fire hoses, also known as flat fire hoses, are specialized flexible tubes designed to transport large volumes of water for firefighting. Their defining feature is the ability to fold flat when not in use, enabling compact storage and transportation. When connected to a water source, the hose quickly expands into a cylindrical shape to begin water delivery. This design offers exceptional flexibility and convenience in firefighting operations.
Compared to traditional rigid fire hoses, layflat hoses offer several distinct advantages:
Among various types of layflat hoses, Type 3 stands out for its exceptional performance. Typically featuring an elastomeric cover, Type 3 hoses exhibit extremely low liquid absorption rates along with outstanding resistance to abrasion and heat. This ensures consistent performance in wet, high-temperature, or abrasive conditions, maintaining operational effectiveness during firefighting.
The advantages of Type 3 hoses include:
When selecting layflat fire hoses, certifications serve as crucial indicators of product quality. UL (Underwriters Laboratories) and BSI (British Standards Institution) are internationally recognized authoritative bodies whose certifications signify compliance with rigorous safety and performance standards.
Choosing UL or BSI-certified layflat hoses significantly reduces safety risks while ensuring equipment reliability.
Beyond certification marks, several critical factors should guide layflat hose selection:
Hose dimensions directly affect water flow and pressure. Appropriate sizing is essential for different firefighting needs. Common sizes include 1.5", 2", 2.5", and 3", with larger diameters enabling greater flow rates.
The following tables detail specifications for various layflat hoses with different connection types, working pressures, and certification standards:
| Size | Internal Diameter (mm) | Connection Type | Working Pressure (bar) | Ref. No. | Certification Standard |
|---|---|---|---|---|---|
| DN 40 (1.5") | 38 | BS336 | 21 | FE3301 | UL |
| DN 50 (2") | 51 | BS336 | 21 | FE3302 | UL |
| DN 65 (2.5") | 65 | BS336 | 21 | FE3303 | UL |
| DN 80 (3") | 76 | BS336 | 21 | FE3304 | UL |
| DN 40 (1.5") | 38 | BS336 | 15 | FE3305 | BSI |
| 1.75" | 45 | BS336 | 15 | FE3306 | BSI |
| DN 50 (2") | 51 | BS336 | 15 | FE3307 | BSI |
| DN 65 (2.5") | 64 | BS336 | 15 | FE3308 | BSI |
| Size | Internal Diameter (mm) | Connection Type | Working Pressure (bar) | Ref. No. | Certification Standard |
|---|---|---|---|---|---|
| DN 40 (1.5") | 38 | Storz C 38 | 21 | FE3311 | UL |
| DN 50 (2") | 51 | Storz C 52 | 21 | FE3312 | UL |
| DN 65 (2.5") | 65 | Storz B 65 | 21 | FE3313 | UL |
| DN 80 (3") | 76 | Storz B 75 | 21 | FE3314 | UL |
| DN 25 (1") | 25 | Storz D 25 | 16 | FE3315 | ISO |
| DN 40 (1.5") | 38 | Storz C 38 | 16 | FE3316 | ISO |
| 1.75" | 45 | Storz C 45 | 16 | FE3317 | ISO |
| DN 50 (2") | 52 | Storz C 52 | 16 | FE3318 | ISO |
| DN 65 (2.5") | 65 | Storz B 65 | 16 | FE3319 | ISO |
| DN 80 (3") | 75 | Storz B 75 | 16 | FE3320 | ISO |
| DN 100 (4") | 102 | Storz A 102 | 12 | FE3321 | ISO |
| 4.25" | 110 | Storz A 110 | 12 | FE3322 | ISO |
| DN 125 (5") | 125 | Storz F 125 | 12 | FE3323 | ISO |
| DN 150 (6") | 152 | Storz F 152 | 12 | FE3324 | ISO |
| Size | Internal Diameter (mm) | Connection Type | Working Pressure (bar) | Ref. No. | Certification Standard |
|---|---|---|---|---|---|
| 1.75" | 45 | DSP 40 | 20 | FE3331 | UL |
| 2.75" | 70 | DSP 65 | 20 | FE3332 | ISO |
| 4.25" | 110 | AR 100 | 16 | FE3333 | ISO |
| Size | Internal Diameter (mm) | Connection Type | Working Pressure (bar) | Ref. No. | Certification Standard |
|---|---|---|---|---|---|
| DN 40 (1.5") | 38 | Machino | 21 | FE3341 | UL |
| DN 50 (2") | 51 | Machino | 21 | FE3342 | UL |
| DN 65 (2.5") | 65 | Machino | 21 | FE3343 | UL |
The working pressure indicates the maximum pressure a hose can withstand. Selecting hoses with adequate pressure ratings ensures safe and reliable water delivery for specific applications.
Hose materials determine abrasion resistance, heat tolerance, and corrosion resistance. Common materials include synthetic rubber, polyurethane, and nylon. Environmental conditions should guide material selection.
Connection mechanisms interface hoses with hydrants, nozzles, and other equipment. Common types include BS336, Storz, DSP, and Machino. Compatibility with existing equipment ensures efficient deployment.
UL, BSI, or other recognized certifications validate compliance with safety and performance benchmarks, minimizing operational risks.
Connection standards vary by region and equipment specifications:
Proper care extends service life and ensures operational readiness:
Layflat fire hoses represent a vital component of fire safety infrastructure. Selecting high-quality, performance-optimized hoses provides critical protection for life and property. Prioritize certification marks, dimensional specifications, pressure ratings, material properties, and connection compatibility during procurement. Consistent maintenance preserves optimal functionality. This guide serves as a comprehensive reference for informed layflat hose selection, contributing to enhanced fire safety preparedness.
Fire remains one of the most devastating disasters faced by human society. In the battle against this relentless foe, fire hoses serve as an indispensable weapon for firefighters, delivering a continuous water supply to extinguish flames and protect lives and property. Among these, layflat fire hoses have gained widespread use in firefighting due to their easy deployment and storage capabilities. However, with a multitude of products available on the market, selecting a high-quality, reliable layflat fire hose becomes paramount for ensuring fire safety. This article explores key considerations for choosing layflat hoses and highlights products certified by authoritative standards like UL and BSI.
Layflat fire hoses, also known as flat fire hoses, are specialized flexible tubes designed to transport large volumes of water for firefighting. Their defining feature is the ability to fold flat when not in use, enabling compact storage and transportation. When connected to a water source, the hose quickly expands into a cylindrical shape to begin water delivery. This design offers exceptional flexibility and convenience in firefighting operations.
Compared to traditional rigid fire hoses, layflat hoses offer several distinct advantages:
Among various types of layflat hoses, Type 3 stands out for its exceptional performance. Typically featuring an elastomeric cover, Type 3 hoses exhibit extremely low liquid absorption rates along with outstanding resistance to abrasion and heat. This ensures consistent performance in wet, high-temperature, or abrasive conditions, maintaining operational effectiveness during firefighting.
The advantages of Type 3 hoses include:
When selecting layflat fire hoses, certifications serve as crucial indicators of product quality. UL (Underwriters Laboratories) and BSI (British Standards Institution) are internationally recognized authoritative bodies whose certifications signify compliance with rigorous safety and performance standards.
Choosing UL or BSI-certified layflat hoses significantly reduces safety risks while ensuring equipment reliability.
Beyond certification marks, several critical factors should guide layflat hose selection:
Hose dimensions directly affect water flow and pressure. Appropriate sizing is essential for different firefighting needs. Common sizes include 1.5", 2", 2.5", and 3", with larger diameters enabling greater flow rates.
The following tables detail specifications for various layflat hoses with different connection types, working pressures, and certification standards:
| Size | Internal Diameter (mm) | Connection Type | Working Pressure (bar) | Ref. No. | Certification Standard |
|---|---|---|---|---|---|
| DN 40 (1.5") | 38 | BS336 | 21 | FE3301 | UL |
| DN 50 (2") | 51 | BS336 | 21 | FE3302 | UL |
| DN 65 (2.5") | 65 | BS336 | 21 | FE3303 | UL |
| DN 80 (3") | 76 | BS336 | 21 | FE3304 | UL |
| DN 40 (1.5") | 38 | BS336 | 15 | FE3305 | BSI |
| 1.75" | 45 | BS336 | 15 | FE3306 | BSI |
| DN 50 (2") | 51 | BS336 | 15 | FE3307 | BSI |
| DN 65 (2.5") | 64 | BS336 | 15 | FE3308 | BSI |
| Size | Internal Diameter (mm) | Connection Type | Working Pressure (bar) | Ref. No. | Certification Standard |
|---|---|---|---|---|---|
| DN 40 (1.5") | 38 | Storz C 38 | 21 | FE3311 | UL |
| DN 50 (2") | 51 | Storz C 52 | 21 | FE3312 | UL |
| DN 65 (2.5") | 65 | Storz B 65 | 21 | FE3313 | UL |
| DN 80 (3") | 76 | Storz B 75 | 21 | FE3314 | UL |
| DN 25 (1") | 25 | Storz D 25 | 16 | FE3315 | ISO |
| DN 40 (1.5") | 38 | Storz C 38 | 16 | FE3316 | ISO |
| 1.75" | 45 | Storz C 45 | 16 | FE3317 | ISO |
| DN 50 (2") | 52 | Storz C 52 | 16 | FE3318 | ISO |
| DN 65 (2.5") | 65 | Storz B 65 | 16 | FE3319 | ISO |
| DN 80 (3") | 75 | Storz B 75 | 16 | FE3320 | ISO |
| DN 100 (4") | 102 | Storz A 102 | 12 | FE3321 | ISO |
| 4.25" | 110 | Storz A 110 | 12 | FE3322 | ISO |
| DN 125 (5") | 125 | Storz F 125 | 12 | FE3323 | ISO |
| DN 150 (6") | 152 | Storz F 152 | 12 | FE3324 | ISO |
| Size | Internal Diameter (mm) | Connection Type | Working Pressure (bar) | Ref. No. | Certification Standard |
|---|---|---|---|---|---|
| 1.75" | 45 | DSP 40 | 20 | FE3331 | UL |
| 2.75" | 70 | DSP 65 | 20 | FE3332 | ISO |
| 4.25" | 110 | AR 100 | 16 | FE3333 | ISO |
| Size | Internal Diameter (mm) | Connection Type | Working Pressure (bar) | Ref. No. | Certification Standard |
|---|---|---|---|---|---|
| DN 40 (1.5") | 38 | Machino | 21 | FE3341 | UL |
| DN 50 (2") | 51 | Machino | 21 | FE3342 | UL |
| DN 65 (2.5") | 65 | Machino | 21 | FE3343 | UL |
The working pressure indicates the maximum pressure a hose can withstand. Selecting hoses with adequate pressure ratings ensures safe and reliable water delivery for specific applications.
Hose materials determine abrasion resistance, heat tolerance, and corrosion resistance. Common materials include synthetic rubber, polyurethane, and nylon. Environmental conditions should guide material selection.
Connection mechanisms interface hoses with hydrants, nozzles, and other equipment. Common types include BS336, Storz, DSP, and Machino. Compatibility with existing equipment ensures efficient deployment.
UL, BSI, or other recognized certifications validate compliance with safety and performance benchmarks, minimizing operational risks.
Connection standards vary by region and equipment specifications:
Proper care extends service life and ensures operational readiness:
Layflat fire hoses represent a vital component of fire safety infrastructure. Selecting high-quality, performance-optimized hoses provides critical protection for life and property. Prioritize certification marks, dimensional specifications, pressure ratings, material properties, and connection compatibility during procurement. Consistent maintenance preserves optimal functionality. This guide serves as a comprehensive reference for informed layflat hose selection, contributing to enhanced fire safety preparedness.