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IAPMO PS 033-2011
Flexible PVC hoses for pools, hot tubs, spas and jetted bathtubs
This standard covers physical properties and test methods pertaining to tensile strength,brittleness, hardness, dimensions and other significant properties, in addition to generalrequirements of materials for PVC Hose for use on water circulation piping and airpneumatic system on pools, hot tubs, spas and jetted bathtub units.
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International Association of Plumbing and Mechanical Officials [iapmo]