Marine Composite Hose for Ship to Shore

A ship to shore composite hose has to survive the transfer first and the weather second, and this build is written for both. It covers bore 50 mm to 250 mm (2 in to 10 in), 14 bar (200 psi) working pressure, a published -40°C to +180°C range and a 5:1 safety factor. Both helices are high-tensile heavy hot-dip galvanised steel, the liner is high-tensile PP fabric and film, and the cover is thickened for abrasion.

제품 개요

This is a non-vulcanised, multi-layer thermoplastic hose for suction and discharge of petroleum products between ship and shore. In EN 13765:2018 it sits in the large-bore liquid-service classes, the Type 4 work written for marine transfer rather than plant piping. Its layers are compressed between two steel helices, which is why a 250 mm bore is still a two person lift.

In one sentence, the ship to shore composite hose is a PP fabric and film liner in a fabric carcass, with heavy hot-dip galvanised helices and a thickened abrasion-resistant cover.

Three numbers frame it: 14 bar at all six bores, a 5:1 published safety factor, and 22.00 kg/m at 250 mm, which decides whether a deck crew breaks the connection by hand.

The advantages come from the duty. The wall is thicker than a general-purpose plant hose, so the cover absorbs deck abrasion instead of passing it to the carcass, and the design accounts for storm waves and handling loads, not only pressure.

Typical users are tanker and barge operators, port terminals, shipyards, bunkering suppliers and naval support facilities, running ship manifolds, marine loading arms, dock risers and barge connections.

The problem it solves is the mismatch between a ship and a fixed point. A vessel rises, falls and surges while the jetty manifold stays still, and that movement arrives at the hose. A rigid pipe cannot take it.

Quality is controlled at the assembly: every assembly is proof tested, each crimp is recorded against its serial number, and the hose traces back to wire and fabric lots. Ask for the CCS, ABS or DNV certificate that covers your order and flag state.

Product Advantages of the Ship to Shore Composite Hose

• Thickened, abrasion-resistant wall. The cover takes deck wear, not the carcass.
• 14 bar in every bore. One rating from 50 mm to 250 mm simplifies stock.
• 5:1 published safety factor. The widest burst margin in the composite range.
• Galvanised helices inside and out. Built for salt water and washdown exposure.
• Handles large pressure differentials. Stable during tank equalisation.
• Designed for ship movement. Follows a swell without loading the flange.

Applicable users: tanker and barge operators, port authorities, bunkering suppliers, shipyards, naval support bases, and distributors serving the marine trade.

Detailed Technical Specifications

• Temperature: -40°C to +180°C is the published range, worth quoting back for written confirmation because the liner is PP fabric.
• Safety factor: 5:1 as published, implying a burst near 70 bar at 14 bar. The burst figure is not published, so treat 70 bar as derived.
• Pressure: 14 bar, quoted as 200 psi on the published sheet, holds at all six bores. There is no step-down in the table.
• Vacuum: built for positive and negative pressure, so suction is intended duty. The sheet gives no bar figure; we work to 0.9 bar and confirm per order.
• Tolerances: bore, wall and concentricity to EN ISO 1307.
• Custom lengths: 15 m standard. Longer assemblies are built to order and proof tested as one unit.

구조 및 재료

The ship to shore composite hose is five functional layers, none of them glued to the next.

• Inner helix: high-tensile heavy hot-dip galvanised steel wire. It resists vacuum collapse and keeps the bore open through the bend.
• Liner: high-tensile PP fabrics and films, the only layer touching the product.
• Carcass: fabric plies laid at an angle, carrying axial load and resisting permeation.
• Cover: a thickened, abrasion- and ageing-resistant compound over the fabric, written for deck dragging and sunlight.
• Outer helix: high-tensile heavy hot-dip galvanised steel wire, carrying hoop load and taking the abrasion at the outside of the bend.

The galvanised finish is the marine decision. A plant hose can live with a painted carbon helix under a roof; a deck hose cannot, because salt spray reaches the wire through every cut in the cover. Hot-dip galvanising puts zinc on the wire itself, so a scratch exposes zinc rather than bare steel.

Why the composite build holds up

The inner helix resists collapse, so when a pump pulls vacuum or a tank equalises it holds the bore open while the fabric plies take the axial pull. A wire-braided rubber hose of the same bore needs a separate suction grade for that, because its reinforcement is built for internal pressure rather than external.

The outer helix carries hoop load and takes the abrasion that would otherwise reach the carcass. The plies between the wires are laid on the bias, so pressure resolves into yarn tension and the liner only seals. Nothing is vulcanised, so there is no cure system to over-cure in storage and no plasticiser to migrate.

Because the layers are compressed and not bonded, the hose flexes by letting plies slide a fraction. That is why the bend radius at 250 mm bore is 990 mm, about four times the bore, and why a 15 m length coils onto a reel. The trade is that the crimp, not a chemical bond, holds the structure together, so crimp quality decides service life as much as the liner does.

The marine version adds mass where it is needed. Weight runs from 2.80 kg/m to 22.00 kg/m and the cover is thickened because the outside of the bend meets the deck, the bulwark and the rail. A hose that fails on abrasion usually fails from the outside in.

Safety factor, proof pressure and burst margin

The published 14 bar is a working pressure, not a failure point. The stated 5:1 design factor, the highest in the range, puts the derived burst near 70 bar. That margin exists for surge, for water hammer at the end of a discharge, and for the spike when a valve is closed against a moving column.

Proof testing is the practical control. We test every assembly at 1.5 times working pressure, 21 bar on this hose, and hold it long enough to reveal a bad crimp, a damaged liner or a wire nicked during forming. One sample speaks for the run; a proof test on each unit speaks for your hose.

Ask three questions of any supplier. Is the 5:1 factor stated at ambient or at the top of the temperature range? Is the proof test run on every assembly or on a sample? Are crimp records kept per serial number or only per batch? Ours carry a batch code, the bore and the proof pressure on the marking.

Chemical Compatibility and Media Guide

Ratings are guidance for the PP liner at ambient temperature with no contamination. They open the quotation conversation rather than replace a written confirmation, and aromatic service needs a written answer.

Three rules for reading the chart. Temperature first, because a rating that holds at 20°C may not hold near the ceiling. Concentration second, since 98% acid behaves nothing like a 30% solution. Contact time third, because a 20 minute transfer and a 20 hour standing column are different duties. Send the cargo list for a written answer.

Applications and Industries

• Ship to shore petroleum transfer: tanker manifolds, jetty risers and loading arms where the vessel moves and the line does not.
• Ship to ship and barge transfer: lightering operations, bunker barges and STS transfer at anchor, where both ends move independently.
• Bunkering and fuel supply: distillate and residual fuel delivery to vessels at berth, with metered discharge skids.
• Port terminals and tank farms: suction and discharge lines for gasoline, diesel, kerosene and crude at berth connections.
• Shipyards and repair yards: temporary transfer, tank cleaning discharge and dewatering during dry dock work.
• Naval and government support: shore connection hose for auxiliaries, held as a stock item against a defined bore and length.

Selection Guide for Ship to Shore Composite Hose

Size, flow and pressure drop

Size on flow and velocity, not on pressure alone. Keep liquid velocity near 2 m/s continuous and below 3 m/s intermittent, because higher velocity raises pressure drop and builds static. A 50 mm bore moves about 14 m3/h at 2 m/s and a 250 mm bore 350 m3/h.

Most installations are limited by the ship’s manifold, not the hose. Confirm the manifold size before committing to a bore, because an adapter stack adds both pressure drop and a leak path.

End fittings and hose assembly

Fittings are crimped, not clamped, and we swage them in house with digital records. Standard ends are fixed flange, floating flange, reducing flange, camlock, tank coupling, NPT and 37 degree adapters, in stainless or carbon steel. Marine work usually needs a floating flange at the ship end.

Specify material, flange standard, pressure class and gasket face together. A stainless helix with a carbon steel flange corrodes at the bolt line. Protective sleeves cover a run over a bulwark.

How it compares

Against the EN 13765 types, the ship to shore composite hose does the Type 4 large-bore work with a galvanised wire pair and a marine cover.

What drives the price

Four things move the cost: bore, wire, cover build and length. Wire mass rises steeply with bore, so a 250 mm hose is not a linear step from a 150 mm one, and heavy galvanised wire costs more than a light coating.

Compare quotes on the same basis, because a low headline often leaves out the flanges or the proof record. On bulk orders the lever is batching several bores into one port.

Common selection mistakes

• Sizing on the pump, not the manifold. An adapter stack adds loss and a leak path at the ship end.
• Ignoring the cover. A smooth cover on concrete wears through in a season; the thickened marine cover is the point of the build.
• Assuming the temperature ceiling applies to every medium. It is the top of the range, not a licence for hot oxidising acid.
• Mixing fitting materials. A galvanised helix with a stainless flange creates a corrosion cell.

Installation, Operation and Maintenance

Installation

• Respect the minimum bend radius, 180 mm at 50 mm bore rising to 990 mm at 250 mm.
• Support the hose every 1.5 m on horizontal runs, on a saddle, never from its fittings.
• Leave one bore diameter of straight hose at each fitting so the crimp is not loaded in bending.
• Use a floating flange at the ship end and a swivel where the hose must twist during coupling.
• Fit protective sleeves at the bulwark, the rail and any steel edge.
• Allow slack for vessel movement. A hose rigged bar tight puts the motion into the fitting.

Inspection and retirement

Check the cover for cuts, blisters and exposed wire before each transfer, and look for movement between ferrule and hose at the crimp. A blister behind a ferrule is the carcass reporting structural damage, and that assembly leaves the rack that day. Check for flattened sections after any vacuum event, since a collapsed bore will not recover. Review any ship to shore composite hose in marine service at six years.

Cleaning, storage and service life

Drain and flush after each cargo, then hang to dry with both ends open before coiling. Store under cover, off the deck and away from ozone sources such as welding sets, and never bag a wet hose. Cap the ends so salt air cannot reach the liner.

Quality Assurance and Test Data

Incoming film, fabric and wire are inspected against certificates, and the galvanised coating is checked before forming. Liner plies are wound, the carcass built over the inner helix, and the wall compressed with no cure step. Every assembly is crimped on a press that logs pressure, stroke and die set, proof tested, marked and packed.

Tests are hydrostatic proof to EN ISO 1402, impulse to EN ISO 6803, resistance to EN ISO 8031 where a conductive build is specified, bend to EN ISO 1746 and dimensions to EN ISO 1307. Export packing is film plus a plywood case for LCL, or a reel for FCL.

Standards and Certifications

Company certifications: ISO 9001 and ISO 18752, with CE, CCS, ABS, DNV, API, GOST-R, MSHA, RoHS, California Proposition 65 and MA. Scope varies by market, so ask for the certificates, including any class society type approval, that apply.

자주 묻는 질문

호스는 어떤 재질로 만들어졌나요?

A high-tensile PP fabric and film liner, a fabric carcass, two helices of heavy hot-dip galvanised wire, and a thickened abrasion-resistant cover.

What does the 14 bar rating mean?

It is the working pressure for continuous transfer, 14 bar (200 psi) at every bore from 50 mm to 250 mm. The published factor is 5:1 and every assembly is proof tested at 1.5 times working pressure.

Can it handle vacuum?

Yes. The hose is specified for positive and negative pressure, so suction and tank equalisation are intended duty. The sheet gives no bar figure, so we work to 0.9 bar.

What is the temperature limit?

-40°C to +180°C is the published range. Because the liner is PP fabric, ask for written confirmation against your cargo temperature rather than assuming it fits every medium.

Will it handle aromatics?

Aromatics are named in the published duty, and polypropylene tolerates short ambient contact far better than long residence. Give us the product, concentration and contact time for a written answer.

How is it different from a rubber hose?

Rubber is vulcanised, its layers bond, and its braid suits pressure, not vacuum. This one is compressed, so full vacuum comes with less bending effort.

How is it different from the dock composite hose?

The dock build is a terminal hose for loading arms, rated 15 bar with a 60 bar burst, and its temperature ceiling depends on the liner. This one covers ship movement, salt exposure and deck abrasion at 14 bar with a 5:1 factor.

What order size and lead time apply?

Sampling on a custom build is quoted at 48 hours, and a standard bulk run takes about 7 days. Minimum quantity depends on bore, length and flange schedule.

How do I get a quote or a PDF datasheet?

Send medium, temperature, pressure, bore, length and end connection through the contact form. We return a quotation and the datasheet PDF.

Why Source Composite Hose from HENGHUA

HENGHUA builds composite hose at an 18,000 m2 facility near Hengshui, with a Tianjin office handling export. Eight high-speed lines produce 25 million metres a year, and customers in 70+ countries make the paperwork for a 250 mm assembly routine. Helix forming and crimping decide service life on a large-bore hose, and both are in house.

Certification covers ISO 9001 plus CE, CCS, ABS, DNV, API, GOST-R, RoHS, California Proposition 65 and MA where product and market require them. The documents that matter here are the EN 13765:2018 test reports, proof records for your serial numbers, wire certificates, and any class society type approval your berth or flag state asks to see.

Assembly capability is the practical difference. We crimp in house, hold flange, camlock and tank coupling ends in stock, and supply a complete hose assembly rather than hose plus loose fittings. OEM and ODM work covers your label, packaging, flange drilling and length marking, which removes a local assembly step for a distributor.

Sampling takes 48 hours on custom builds, and standard specifications ship on a 7 day bulk turnaround with real time order tracking. Technical support comes from sales engineers who read cargo lists and compatibility charts daily, and after-sales support starts from the batch record rather than from a conversation. Choosing a supplier for a large-bore marine hose comes down to those records, and as a manufacturer and exporter we can also tell you which standard your port will test against.

견적 요청하기

Send the medium, the operating temperature, the working pressure, the bore, the length, the end connection, the quantity and the destination port. With those answers we select the wire, cover build and fittings, then price the ship to shore composite hose against your duty rather than a catalogue guess. You will receive a quotation, the datasheet PDF, the compatibility chart for your cargo list, and a proof record from a comparable build. Start from the composite hose range or the site contact form.