Sleeve technique for fire trucks - Sleeve d.66 class 3 with nuts GRN-70 with cuffs

If you're looking for a reliable fire hose that can withstand high pressure, abrasion, and won’t fail at a critical moment — consider the 66 mm diameter class 3 hose with GRN-70 couplings and sleeves. This is a ready-to-use product that doesn't require additional time or resources for assembly. Just connect — and start working.

The hose is made from dense polyester yarn and features double-sided polymer coating, significantly enhancing its resistance to abrasion, aggressive environments, and temperature fluctuations. Thanks to this, the hose retains its properties even with frequent use, maintaining flexibility and tightness. The reinforced sleeves at the joints add extra durability, while GRN-70 couplings ensure fast and secure connection to fire systems, motor pumps, or nozzles.

This hose fully complies with DSTU 9069:2021 requirements, and its quality has been confirmed by tests in an accredited laboratory of the Research Institute for Civil Protection. This means you’re getting not just a hose, but a tested and certified element of fire safety, ready for use in demanding conditions.

Main advantages of the product:

1. Professional readiness. Supplied fully assembled with GRN-70 couplings and sleeves — saving time and effort during installation.
2. High wear resistance. The double-sided polymer coating significantly extends the product’s service life.
3. Optimal length. 20 meters + 1 m tolerance — convenient for use indoors, in open areas, or in the field.
4. Working pressure up to 2.2 MPa. Allows water or fire-extinguishing agents to be supplied under high pressure without the risk of rupture.
5. Certified quality. Tested in a laboratory and certified according to safety standards, ensuring reliable performance.
6. Wide range of applications. Perfectly suited for fire trucks, motor pumps, agro-systems, and backup water supply lines.

Where it’s useful:

• Fire and rescue units and emergency services
• Enterprises with high fire hazard levels
• Farms requiring high-pressure irrigation
• Industrial sites with emergency water supply systems

The D66 class 3 hose with GRN-70 couplings and sleeves provides confidence in stable operation, safe connections, and long service life even under intensive use. If you need equipment you can trust with your safety — this is the right choice.

Order through the FIRECONTROL website — we offer a wide selection, affordable prices, and have been helping Ukrainian enterprises and services ensure effective fire safety for 25 years.