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Manufacturing 2026-03-185 min read
How we test abrasion life at the factory
A look inside our slurry loop rig, hydrostatic test bays and adhesion pull-off records.
Slurry loop rig
Compound samples run in a closed slurry loop until measurable wall loss appears. Target for dredging tube compounds: abrasion loss ≤0.20 cm³ per 1.61 km.
Hydrostatic and vacuum bays
Every hose is pressure tested above working pressure; suction types additionally hold full vacuum to confirm there is no ovalisation or collapse.
Adhesion records
Pull-off tests between tube, reinforcement and cover are logged per batch and shipped with the mill certificate.
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Hose price only makes sense next to service life. See what a dredge hose actually costs per meter in 2026.
Hose price only makes sense next to service life. See what a dredge hose actually costs per meter in 2026.
Hose price only makes sense next to service life. See what a dredge hose costs per meter in 2026.
Price only makes sense next to service life — see what a sand suction rubber hose costs per metre in 2026.
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Lira Kung
International Business Dept · SHANDONG HEARTWORK SUPPLY CHAIN MANAGEMENT CO., LTD.
Need a specification check, a price band or a lead-time estimate for your project? Send me the working conditions (diameter, pressure, medium, length) and I will reply personally, usually within one working day.
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