Double Jacket LDH Fire Hose Advantages
The strongest woven hose you can find in 4" diameter, with DUAL layers of polyester hose. It's just like having two hoses combined into one.
This 4 inch fire hose is made for firefighting per NFPA standards.
It attaches to pumps, fire hoses, hydrants, PVC pipes that are equipped with 4" fittings. Alternatively, it can be adapted to fit any of the above mentioned with simple pipe or hose adapters.
- Higher service pressure (400psi) than it's single jacket counterpart (250psi) while remaining lightweight.
- Can easily be attached to 4" outlets such as pumps, hydrants, valves, PVC pipes with standard hose (NH) or pipe threads (IPT/NPSH/NPT).
- Aluminum couplings are three times stronger than brass and weigh less. Move faster in demanding situations.
- Woven polyester material never needs drying and can be stored wet. Hose is immune to mold and rot. Can be stored for long periods of time without degradation.
- Can be run over with large trucks without bursting - even while pressurized.
- Strong inside rubber lining leads to less friction loss and more water flow.
- Operate in extreme temperatures without worry -40 degrees F to 180 degrees F.
- Service Pressure - 300 psi
- Test Pressure - 600 psi
- Burst Pressure - 900 psi
- Inside Diameter - 4" Inches
- Lay Flat Width - About 6.5" Inches
- Length - 25 Feet / 50 Feet / 75 Feet / 100 Feet
- Couplings - Choose NH/NST (Fire Hose Threads) or NPSH (Straight Pipe Threads)
- Material - Double Jacket Polyester
- Lining - Inside Rubber
- Color - White, Red, Or Yellow
Double jacket fire hoses are kept on hand in almost every municipal fire department. Structural firefighters choose double jacket hoses for the added durability and longer lifespan. It's the standard hose!
- Fire Departments
- Heavy Duty Industrial Projects
- General Water Pumping
- Agricultural / Irrigation
- Wash Down
- Fire Hydrants
- Sump & Trash Pumps
- Valves & Standpipes
If you're moving these hoses around day to day, 50 foot lengths are the best way to go. They are lightweight enough to carry around and roll up. For applications where you set the hoses for extended periods of time, the 100 foot lengths are more economical.
Will This Hose Fit My Outlet? Which Connectors Do I need?
- At the top of the page you need to select which style of fittings you need.
- What are NH/NST Fittings? National Hose / National Standard Thread - Standard fire hose fittings. Both NH and NST are the same thing. This is the most common size for fire departments today.
- What are NPSH Fittings? National Pipe For Straight Hose - These are straight pipe fittings. They're compatible with all standard pipe threads including NPT, NPSM, PVC, NPSH. NPT notes - a female NPSH will connect onto a male NPT fitting, but a female NPT fitting will not connect onto a male NPSH fitting.
All products are shipped within 24 hours of ordering Monday-Friday unless otherwise specified on the individual product description page. Your tracking number will be sent via email. Your item will ship from one of our three warehouses (California, Ohio, New York) depending on your location and stock availability. Most orders ship via USPS Air Priority, UPS Ground, or FedEx Ground. Most items ship free. If you need express shipping, please call us 1 (510) 214-3093 and ask us for help.
Returns on most new and unused items are accepted within 30 days of purchase unless items are described as "Special Order", "Used or Scrap", "Bulk Discounted Orders", "International Orders" or "Rare Fitting" in the product title or description. Custom length hoses are non-returnable. Custom lengths is anything outside of 25, 50, 75, or 100 feet. Customer is responsible for return shipping charges. If a return label is issued from Fire Hose Supply the return shipping fees will be deducted from the refund. A standard 25% restocking fee is applied to all returns. Returns must be approved before sending in. Contact us for an RGA or return slip for approval before you send in your returns. Once your returns slip has been issued it will list instructions with a ship-to address. Any return orders sent without an RGA or previous authorization may be rejected.
✔️ Special Order, Custom Order, Bulk Discount Orders, Rare Fittings & International Order Items
Special order, custom order, bulk discount orders, rare items & international order items cannot be cancelled or returned. Rare fittings include but are not limited to 2" NH (NST) and 3" NH (NST) fittings. Please make sure you are 100% sure of the product specifications you are ordering. If you don't fully understand the products you are ordering, please ask us for help to confirm the correct specifications you're looking for. Special order items are usually non-standard parts or bulk orders that are custom made directly from the factory.