Heavy Duty Heater Hose, Series 7181 | #7181-311


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7181-311

Heavy Duty Heater Hose, Series 7181 | #7181-311

Heavy Duty Heater Hose is designed for use in heater and radiator systems in vehicles and industrial equipment in applications to 257°F and 65 psi, Series 7181


Technical Specifications

  • Hose I.D. (inch): 5/16
  • Maximum Working Pressure (psi): 65
  • Standard Pack Qty (ft): 700
  • Hose Inner Tube Material: Ethylene Propylene Diene Monomer (EPDM), Black
  • Cover Material: Ethylene Propylene Diene Monomer (EPDM)
  • Media: Coolants, Mild Chemicals, Water (Hot Water)
  • Compatible Fitting: n/a
  • Application: Specialty
  • Specifications Met: SAE J20R3EC, Class D2
  • Inside Diameter: 5/16 inch, 8 mm
  • Hose Reinforcement Material: 2 Plies of Textile
  • Package Type: Reel
  • Outside Diameter: 0.600 inch, 15 mm
  • Cover Color: Black
  • Minimum Operating Temperature: -40 °F, -40 °C
  • Maximum Operating Temperature: 257 °F, 125 °C
  • Weight: 0.13 lb/ft, 0.27 kg/m
  • Minimum Bend Radius: 5 inch, 127 mm
  • Maximum Operating Pressure: 50 psi, 3.4 bar

chemicalComposition California Residents: Prop-65 Warning

Safety Warning

Item Information

Parker's Series 7181 Heavy Duty Heater Hose provides excellent service across a wide variety of coolants and multiple engine heater and radiator applications. The premium rubber construction resists aging, chemicals, cold leaks, cracking, delamination, electrochemical striations, heat and ozone to maximize performance in elevated temperatures common to engine compartments.

Markets:
• Agriculture
• Construction
• General Industrial
• Transportation

Features/Benefits:
• Tube: Black EPDM for heat and chemical resistance to 257°F.
• Reinforcement: Multiple textile plies for strength and kink resistance.
• Cover: Black EPDM for abrasion, heat and oil resistance.
• Couplings: Qualified with crimp couplings for a durable, safe and secure connection.

Applications:
- media
• Coolants
• Hot water
• Mild chemicals
- usage
• Coolant systems
• Drain lines
• Agricultural equipment
• Buses
• Construction equipment
• Off-road equipment
• Trucks

Industry Standards:
• SAE J20R3 EC Class D-2

Safety/Technical:
• Design Factor: 4:1

• Couplings attached with bands or clamps may reduce the working pressure of the hose assembly to less than the maximum rated working pressure of the hose. Refer to NAHAD Industrial Hose Assembly Guidelines

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