The simplest way to select a hose.
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Application guide
Heavy-duty abrasion resistant chemical suction and discharge hose
flexCHEM™ 220 is the SBR liquid-waste and vacuum-truck option. Its smooth outside diameter supports handling, while its construction suits compatible waste streams and suspended solids.
All purpose chemical suction and discharge hose
flexCHEM™ 300 is the EPDM chemical, water and liquid-waste option. Its suitability depends on the exact fluid; the EPDM designation does not establish universal chemical or petroleum compatibility.
Heavy-duty reinforced chemical suction and discharge hose
Use for: Reinforced pressure transfer.
flexCHEM™ 390 adds synthetic reinforcement and higher working-pressure capability for compatible EPDM service. Its listed diameters extend through 3 inches; this is a pressure-transfer upgrade, not an automatic vacuum-pickup upgrade.
Notes: The primary selection covers compatible liquid-dominant septic pickup. Reinforced pressure transfer is separate.
Distinction: flexCHEM™ 300 is the default for compatible liquid-dominant septic pickup. flexCHEM™ 220 suits compatible waste where SBR construction and a smooth outside diameter are preferred. The flexCHEM™ 390 alternative addresses reinforced EPDM pressure transfer, not an automatic upgrade in vacuum pickup.
Warning: Identify the waste stream, treatment chemicals, cleaners and contaminants, including concentration and temperature. No hose is compatible with every septic mixture. Verify the hose, fittings and seals and the selected diameter’s pressure, vacuum and bend-radius limits.
