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Mainliner® Air / Multipurpose Hose

The Mainliner® air and multipurpose hose is designed to handle the oily mists used to lubricate pneumatic tools. Featuring a medium oil-resistant tube with multi-spiral polyester reinforcement, the hose remains flexible even in extreme temperatures. Its durable cover resists abrasion, cracking, weathering and ozone. Mainliner offers constant working pressures of 200, 250 and 300 psi. Not recommended for handling fuels

Technical Overview

Cover Color ■ Red
Oil Resistance ■ Medium
Construction ■ Tube: EPDM, RMA Class C
■ Cover: EPDM – Limited
■ Reinforcement: Spiral polyester yarn
Temperature Range ■ -40°F to +200°F, -40°C to +93°C
Packaging ■ Reels or 50 ft. length – 1 per carton


Thermoid Catalogue – Mainliner®

Features & Benefits

EPDM, RMA – Class C Tube
  • Medium Oil Resistant
  • Ozone Resistant
EPDM Cover
  • Resists Weathering
  • Abrasion Resistant
  • Heat Resistant
2- or 4-Spiral Polyester Yarn Reinforcement
  • Provides Working Pressures from 200-300 psi
  • More Flexible than Braid Reinforced Hose
  • Easier to Route Assemblies
  • Easier to Coil and Handle
  • Less Susceptible to Premature Failure than Braided Hose if Subjected to Torque
-40°F to +200°F Temperature Range
-40°C to +93°C
  • Hose Remains Flexible Even at Extreme Temperatures
Pressureless Cure System
  • Minimal Cast (Natural Curvature of the Hose)
  • Extends the Life of the Rubber Compounds
Air Mandrel Manufacturing Process
  • No Internal Contamination of the Inside Diameter Due to the Lubricant
  • Eliminates the Need for the Customer to Flush the Hose
500-700FT Reels
  • Over 80% One Piece Reels
  • Less Scrap
  • Most Footage Per Reel vs. Competition