Is OL7 MARINE Double-Braided Polyester Thermoplastic Hose suitable for seawater and high-humidity marine environments?

Yes. OL7 MARINE Double-Braided Polyester Thermoplastic Hose is suitable for seawater and high-humidity marine environments. It offers exceptional resistance to seawater and saline air, is engineered for demanding hydraulic and fluid-transfer applications, and maintains full functionality in extreme conditions and very low temperatures. Constructed with a polyester inner layer, double polyester braid reinforcement, and a micro-perforated polyurethane outer cover, it is manufactured to SAE 100R7 and ISO 3949-R7 standards. Operating temperature range is −54°C to +100°C (or up to +70°C for water and air), with working pressures from 70 to 230 bar depending on diameter, ensuring reliable performance, safety, and longevity in marine settings.

Can OL7 MARINE Double-Braided Polyester Thermoplastic Hose be used for transferring fuels and gases in cold climates down to -54°C?

Yes. OL7 MARINE Double-Braided Polyester Thermoplastic Hose is specified for use down to −54°C and is engineered for safe transfer of fuels and gases in extreme cold. It complies with SAE 100R7 and ISO 3949-R7, has a polyester inner layer with double polyester braid reinforcement and a micro‑perforated polyurethane cover, and maintains full functionality at very low temperatures. Ensure the chosen diameter meets the required working pressure (70–230 bar depending on size) and verify any application‑specific approvals or compatibility with particular fuels before final selection.

OL7 MARINE Double-Braided Polyester Thermoplastic Hose

All products, Thermoplastic hoses/

Additional information

Material	PEE – polyester
Maximum operating temperature [°C]	100
Minimum operating temperature [°C]	-54
Vacuum resistance	check

This lightweight and highly flexible hose is engineered for demanding hydraulic oil systems as well as for the safe transfer of gases, air, fuels, and water-based fluids. Built to perform in extreme environments, it maintains full functionality even at very low temperatures and offers exceptional resistance to seawater, making it ideal for applications exposed to high humidity and saline air. Manufactured in compliance with SAE 100R7 and ISO 3949-R7 standards, it features a durable polyester inner layer, reinforced with a double polyester braid, and protected by a micro-perforated polyurethane outer cover. With working pressures ranging from 70 to 230 bar depending on diameter, and an operating temperature span from -54°C up to +100°C (or +70°C for water and air), this hose ensures reliable performance, safety, and longevity across a wide spectrum of industrial and marine applications.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
ZC-OL7MARINE-05	OL7 MARINE thermoplastic hose 3/16"	5	210	In stock	Enquiry
ZC-OL7MARINE-06	OL7 MARINE thermoplastic hose 1/4"	6	200	In stock	Enquiry
ZC-OL7MARINE-08	OL7 MARINE thermoplastic hose 5/16"	8	190	In stock	Enquiry
ZC-OL7MARINE-10	OL7 MARINE thermoplastic hose 3/8"	10	175	In stock	Enquiry
ZC-OL7MARINE-13	OL7 MARINE thermoplastic hose 1/2"	12	140	In stock	Enquiry
ZC-OL7MARINE-16	OL7 MARINE thermoplastic hose 5/8"	16	105	In stock	Enquiry
ZC-OL7MARINE-19	OL7 MARINE thermoplastic hose 3/4"	20	90	In stock	Enquiry
ZC-OL7MARINE-25	OL7 MARINE 1"" thermoplastic hose	25	70	In stock	Enquiry

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This lightweight and highly flexible hose is engineered for demanding hydraulic oil systems as well as for the safe transfer of gases, air, fuels, and water-based fluids. Built to perform in extreme environments, it maintains full functionality even at very low temperatures and offers exceptional resistance to seawater, making it ideal for applications exposed to high humidity and saline air. Manufactured in compliance with SAE 100R7 and ISO 3949-R7 standards, it features a durable polyester inner layer, reinforced with a double polyester braid, and protected by a micro-perforated polyurethane outer cover. With working pressures ranging from 70 to 230 bar depending on diameter, and an operating temperature span from -54°C up to +100°C (or +70°C for water and air), this hose ensures reliable performance, safety, and longevity across a wide spectrum of industrial and marine applications.