Description

Alfagomma TR4XF‑16 — Product Overview
The TR4XF‑16 is a 1-inch (‑16) Extra Flexible SAE 100R4 oil return / suction hose, designed for applications requiring high flexibility and a tight bend radius, such as hydraulic return lines, oil transfer, and fuel systems.
Technical Specifications
Dimensions & Pressure

Inside Diameter (ID): 1″ / 25.4 mm
Outside Diameter (OD): 1.42″ / 36 mm
Working Pressure: 250 PSI
Burst Pressure: 1000 PSI (4:1 safety factor)
Minimum Bend Radius: 2.0″ / 50.8 mm
Weight: ~0.51 lbs/ft
Construction

Tube: Black conductive NBR (Nitrile)
Reinforcement: Textile with four spiral wire helixes (prevents collapsing under suction)
Cover: Black CR, resistant to oil, fuel, weather, ozone, abrasion
Temperature Range

Operating (continuous): –40°F (–40°C) to +212°F (+100°C)
Max Operating: +257°F (+125°C)
Max Air Temp: +175°F (+80°C)
Applications
Suitable for:

Hydraulic low-pressure return lines
Suction lines requiring high flexibility
Petroleum-based hydraulic fluids
Water‑glycol & fire‑resistant fluids
Oil, lubricants, crude oil, fuel oils & water