Deru Cable Launches Custom‑Built Zero‑Buoyancy & Neutral‑Buoyancy ROV Umbilical Cables for Global Subsea Operations
Specification
| Basic Structure | Conductor+Insulation+Jacket+Hose |
| Conductor | Plain Copper/ Tinned Copper |
| Insulation | PE |
| Braid | Kevlar/ Plain Copper/ Tinned Copper |
| Jacket | PUR/TPE/PCP |
INTRODUCTION
SHANGHAI, China — Shanghai Deru Cable, a professional manufacturer specializing in high‑performance special subsea cables, officially announces its full‑range custom‑engineered zero‑buoyancy and neutral‑buoyancy ROV umbilical cables, delivering stable suspension performance for remotely operated vehicles across seawater and freshwater underwater missions.
Traditional underwater tethers either sink under self‑weight or float uncontrollably, creating extra drag, pulling force and entanglement risks. These defects degrade ROV maneuverability, increase thruster consumption, and accelerate cable fatigue failure during subsea inspection, offshore wind survey, underwater engineering, and scientific ocean research projects.Deru’s zero‑buoyancy / neutral‑buoyancy ROV cables adopt proprietary co‑extruded foam density‑balance structure. Precisely calibrated overall density enables near‑zero apparent weight in the water column. The cable stays suspended within the water profile without sinking or floating upward, drastically lowering mechanical tension on ROV units and tether management systems.
“Buoyancy balance is not one‑size‑fits‑all. Salinity, operating depth, water temperature and vehicle payload all change underwater cable behaviour,” said Product Manager of Shanghai Deru Cable. “We tailor each cable’s buoyancy formula for seawater or freshwater environments, avoiding over‑float or sinking issues for observation‑class and work‑class ROV deployments.”
Modular hybrid construction: freely combine power conductors, shielded signal pairs, single‑mode / multi‑mode optical fibers inside one umbilical assembly, integrating power supply, real‑time control and high‑speed data transmission.
High‑strength tensile members: embedded aramid / Kevlar strength layers to withstand heavy pulling loads during dynamic underwater towing and recovery operations.
Robust marine‑grade outer sheath: premium PUR polyurethane jacket resists seawater corrosion, abrasion, repeated bending and deep‑sea high‑pressure compression. Excellent dynamic flex performance adapts continuous ROV movement underwater.
Full‑dimension custom service: operating depth rating, cable outer diameter, core configuration, tensile load, buoyancy tolerance, cable length and termination pre‑assembly are all customizable according to project specifications. Samples are available for customer validation before bulk order.
Observation‑class ROV, work‑class ROV, underwater inspection robots, offshore wind farm underwater detection, reservoir & river survey, marine scientific exploration, aquaculture underwater monitoring, subsea engineering intervention tasks.Manufactured at Shanghai Deru’s in‑house facility, all zero‑buoyancy and neutral‑buoyancy ROV cables undergo complete internal testing including hydrostatic pressure test, tensile break test, salt‑spray corrosion test and cyclic bending fatigue test before delivery, to guarantee stable long‑term subsea service life.As an experienced Chinese manufacturer of special underwater cables, Deru Cable provides OEM & ODM custom solutions for global subsea robotics integrators, engineering contractors and ocean‑technology institutes. We support project‑oriented technical consultation to match reliable tether cable solutions for your underwater equipment.For media & project inquiries: Shanghai Deru Cable Co., Ltd. Website: www.derucable.com E‑mail: sales@derucable.com
ADVANTAGES
FAQ
Q: Is Derul Cable the original manufacturer?
A: Derul Cable is a special cable manufacturer. Our factory is based in Shanghai.
Q: Is the price negotiable?
A: Yes, the price is negotiable. Our price is also flexible due to several factors including purchase quantity.
Q: What is the regular MOQ for your cable?
A: Any quantity is okay to purchase for product at stock. For product with no stock, its MOQ is usually 100-200 meters per type.
Q: How can I get sample?
A: Usually you only need to pay the express freight, and after your confirmation of the product dimension and structure, we can arrange the sample and send it directly to you.
Q: Is OEM or ODM service available?
A: OEM and ODM services are both available. You can provide us with your requirement for the product and we will evaluate it to push forward.
Q: What is the regular production time?
A: For regular quantity, it usually costs about 15-25 days to produce.
Quick Links
WhatsApp: +86 13641831061
E-mail: sales@derulkable.com
Add.:No.236 Fenggao Road Fengxian District Shanghai China
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