Guide2026-10-31
HDPE Pipe Guide 2026: 10 Chinese Factories Compared
We compared 10 Chinese HDPE pipe factories on scale, price, certification and export readiness — plus where one-stop pipe, hose and floater supply wins.
20 min readRead More
Heartwork Blog
Field notes from the dredge line.
Practical guides, spec deep-dives, and case studies from 20+ years supporting dredging pipeline projects worldwide.
Engineering 2026-09-306 min
Sand Discharge Hose Pressure Ratings: What 1.0 MPa and 2.5 MPa Really Mean on Site
Why a 1.0 MPa working rating survives years on one job and fails within weeks on another, and the three site questions that decide the right pressure class.
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More from the engineering desk
Guide2026-10-27
Sand Suction Rubber Hose Price (2026): Per-Meter Bands & Buying Guide
A sand suction rubber hose runs $9–$95 per metre FOB China in 2026 by size and build. This guide breaks down the 7 price variables, a per-diameter price table, and a real order.
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Guide2026-10-26
Dredge hose cost per meter: 2026 price ranges explained
Why two quotes for the same 10-inch hose can differ by 5x — six variables that drive the price, plus a real 200 m order from start to finish.
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Guide2026-06-18
How to choose between rubber hose and HDPE pipe
A practical decision matrix for every stage of a dredge line — from the ladder to the shore.
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Engineering2026-05-27
Floater spacing 101: keeping your HDPE main on the surface
How buoyancy calculations, wave load and anchor plans work together. With a worked DN 800 example.
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Products2026-05-08
SRH vs DRH: suction hose vs discharge hose
Two words, one letter — very different builds. Here's what changes inside a steel-wire dredge hose and why it matters.
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Logistics2026-04-22
Container loading plans for oversize DN pipe
Open-top vs flat-rack vs bagged floaters — how we squeeze the most volume into every shipment.
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Case Study2026-04-05
River-crossing installations with self-floating hose
The FRH built-in-foam approach vs external floaters — where each one wins.
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Manufacturing2026-03-18
How we test abrasion life at the factory
A look inside our slurry loop rig, hydrostatic test bays and adhesion pull-off records.
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How-to2026-03-02
HDPE butt-fusion field checklist
Twelve items every crew should confirm before joining PE100 dredge pipe in the field.
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