
Fire Hose Delivery Coupling
Product Specification
- Type: Single jacket / Double jacket / Rubber-lined / Synthetic-lined
- Working Pressure: 8 bar to 20 bar
- Temperature Range: -20°C to +60°C
Product Description:
A fire hose delivery coupling is an essential, high-pressure, instant-connect fitting used to connect fire hoses to nozzles, pumps, or hydrants. The leading fire hose delivery coupling supplier in India manufactures its products from stainless steel, aluminum, or gunmetal. It works to standards such as IS 903 and features female/male ends with serrated tails for reliable, corrosion-resistant water delivery.
Additional Details:
- Brand: Somya Pyrotek Services Pvt. Ltd.
- Model: Hose Delivery Coupling
- Nominal Diameter (DN): DN 25 / 38 / 45 / 52 / 63 / 70 / 100 / 110 / 150
- Test Pressure: 5 × Working Pressure
- Operating Temperature: -20°C to +80°C (typical)
- Material: Aluminum Alloy / Brass / Gunmetal / Stainless Steel
- Finish / Coating: Natural / Anodized / Chrome plated
Key Features of Fire Hose Delivery Coupling
Here are some considerable features of the fire hose delivery coupling that you must know before planning to purchase it for your fire extinguishers:
- Fire delivery hose coupling is designed for quick, secure, and manual attachment (e.g., push-on or twist-and-lock) between tools and hoses.
- It is engineered to resist working pressures of 10 to 16kg/cm2 (or up to 21 bar) without failure.
- Delivery hose couplings are fitted with high-quality rubber, nitrile washers, or EPDM to ensure a tight, leak-proof seal during water delivery.
- It is constructed from sustainable, rust-resistant raw materials, such as stainless steel, anodized Aluminium Alloy, and Gunmetal.
- It is manufactured with high-class precision to ensure appropriate thread minimal and alignment wear during frequent coupling.
- A fire hose delivery coupling is available in several types, including instantaneous, Barcelona, and Storz (symmetrical), based on regional or operational requirements.
- It features internal serrations that deliver a secure, non-slip grip on the fire hose when attached.
Applicable Areas of Fire Hose Delivery Coupling
- Residential Fire Protection
- Municipal Firefighting
- Industrial Fire Protection
- Marine and Offshore
- Construction Sites
- Commercial Building Systems
- Airport Fire Services
- Petrochemical Plants
- Forestry and Wildland Firefighting
- Mining Operations
Technical Configuration of Fire Hose Delivery Coupling
| Parameter | Specification (Typical) |
|---|---|
| Component Name | Fire Hose Delivery Coupling |
| Type | Instantaneous / Storz / Threaded (as applicable) |
| Nominal Diameter (DN) | DN 25 / 38 / 45 / 52 / 63 / 70 / 100 / 110 / 150 |
| Connection Standard | BS / EN / DIN / NFPA / JIS / IS |
| Coupling Material | Aluminum Alloy / Brass / Gunmetal / Stainless Steel |
| Gasket / Seal Material | NBR / EPDM |
| Working Pressure | 10 bar / 16 bar / 20 bar |
| Test Pressure | 1.5 × Working Pressure |
| Burst Pressure | ≥ 3 × Working Pressure |
| Locking Mechanism | Spring lugs / Claw / Pin-lock / Thread |
| Thread Type (if threaded) | BSP / NPT / NH / Metric |
| Finish / Coating | Natural / Anodized / Chrome plated |
| Operating Temperature | -20°C to +80°C (typical) |
| Corrosion Resistance | High |
| Compatibility | Fire hose, hydrant outlet, pump delivery |
| Marking | Size, standard, manufacturer, pressure rating |
| Application | Firefighting water delivery |
Maintenance Tips for Fire Hose Delivery Coupling
Here are some imperative maintenance tips for a fire hose delivery coupling, based on best practices:
- Inspect couplings after each use and quarterly or monthly. Furthermore, always ensure to check dents, cracks, or “out-of-round” conditions that might prevent proper connection.
- Check the internal rubber washers for hardening, damage, or cracking. Pinch-test the fire hose delivery coupling. If it is not pliable or does not spring back, replace it immediately to prevent leaks.
- While inspecting, ensure to remove sand, dirt, and grit from the threads and swivel mechanism using lukewarm water, a soft-bristled brush, and mild detergent. Likewise, it prevents gritty buildup that can jam the coupling.
- Apply a dry silicone spray or a manufacturer-suggested lubricant to the swivel bearings to ensure they do not corrode and turn freely. Additionally, avoid heavy greases that attract dirt.
- Never drop a fire hose delivery coupling on hard surfaces, as it can easily damage the threads or deform the lugs. Use plastic or metal caps on male ends during storage to secure the threads.
Why Choose Us to Buy a Fire Hose Delivery Coupling?
Your selection of the right Fire Hose Delivery Coupling is a matter not just of fittings, but rather of safety, durability, and performance when it truly counts. At Fire Extinguishers India, we understand that every second counts during a fire emergency, which is why we provide couplings built to deliver strong, leak-free connections under pressure. Furthermore, our couplings are designed for smooth operation, ease of installation, and long-term reliability. Whether for industrial plants, commercial buildings, or fire safety systems, we ensure you receive products that meet trusted quality standards.
Why us?
- Material-Premium Quality for high strength and corrosion resistance
- Threading & Perfect Fit: Accurately Prevents leakage
- High Pressure for Performance, emergency-ready usage.
- Trusted for Industrial & Commercial Use across India
- Resistant Finish for long service life
- Wide compatibility with standard fire hose systems
- Quick Availability & Support for urgent safety needs
Frequently Asked Questions
A fire hose coupling is simply a connector used at the end of the hose. A hose coupling is a device that connects a fire hose safely to another hose, tap, or water supply. The material of a fire hose coupling is brass, steel, or aluminum.
3-piece couplings are used to join and connect the threaded ends of rigid conduits. Usually, turning the conduits is not possible.
A fire hose delivery coupling is used when connecting fire hoses with fire hydrants or any other source of water supply. It is a fast and simple type of coupling.
For a 1 1/2″ fire hose coupling, the OD is 2 inches, while for a 2 1/2″ coupling, the OD is 3 inches. It is important to take the Outside Diameter reading from the male coupling. Do not measure the female coupling.