24-Volt, Type 1 Pump for Hydraulic Steering Systems

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Raymarine

M81119

Raymarine T1 24V reversible pump

The Raymarine T1 24V reversible pump (M81119) is designed for autopilot systems, handling hydraulic rams from 80 to 230 cc. Its 24V DC motor, IP67 certified, delivers a flow rate of 1000 cc/min at 55 bar pressure.

Retail priceBenefit from the professional rate

1.254,98€

1.254,98€ ~~1.410,00€~~

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In stock

Free pickup point shipping over €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

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Support service

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Technical specifications

Max power consumption	216 W
Typical power consumption	216 W
Operating voltage	24 V
Recommended fuse rating	15 A
Product width	103 mm
Product height	58.4 mm
Product depth	203 mm
IP rating	IP67
Mounting type	Under-deck installation
Certifications	CE, EN60945, IEC 60529
Displacement	80-230 cc
Drive unit type	Reversible hydraulic pump
Mounting hardware included	No
Max pressure	55 bar
Integrated rudder angle sensor	No
Disengageable	Yes

Detailed description

The Raymarine T1 24V reversible pump (M81119) is a critical component of Raymarine autopilot systems, designed to operate the steering mechanism of vessels. It is specifically intended for boats equipped with an existing hydraulic steering system but can also be used on mechanically steered vessels in conjunction with a secondary steering cylinder. This model, the Type 1 in 24V version, stands within the Raymarine range for its ability to handle hydraulic cylinders from 80 to 230 cc, positioning itself between the Type 0.5 (50-110 cc) and the Type 2 (230-350 cc), offering a solution suited to medium-sized steering systems.

Performance and technical design

The core of the M81119 pump is a 24V permanent magnet DC motor capable of delivering a maximum intermittent pressure of 55 bar (800 psi). Its peak flow rate reaches 1000 cc/min at idle, with a typical consumption of 9A at 24V and 55 bar. The design includes pilot-operated check valves that prevent backflow from the pump through the manual steering system or rudder load. The motors are IP67 certified, ensuring protection against temporary immersion and dust, and can be removed from the pump without introducing air into the hydraulic system or causing fluid leakage. The pump is compatible with balanced or unbalanced cylinders and can be used with pressurized reservoir systems.

Installation and compliance

With dimensions of 58.4 mm (A) and 203 mm (B), the pump is designed for installation below deck on a solid structure to minimize vibrations and avoid heat sources or confined areas containing flammable materials. All ports are in 1/4 inch BSPP format. Installation requires absolute cleanliness of the hydraulic system to ensure proper operation of the check valves. The M81119 pump complies with EMC regulations (2004/108/EC, EN60945:2002) and RCD (94/25/EC, EN28846:1993 & EN ISO 10592:1995), ensuring adequate electromagnetic integration in the marine environment. The product is supplied with the hydraulic pump, three 1/4 inch BSP rubber/metal seals, and, if necessary, three BSP to NPT 1/4 inch adapters.

Documentation

Type	Nom
	EN - Installation Manual - Reversible Hydraulic Pump T1 - 24V
	EN - Technical Drawing - Reversible Pump T1 - 24V
	EN - Declaration of conformity - Reversible pump T1 - 24V
	EN - Declaration of Conformity - Reversible Pump T1 - 24V
	EN - Declaration of conformity - Reversible pump T1 - 24V
	EN - Declaration of Conformity - Reversible Pump T1 - 24V
	EN - Declaration of Conformity - Reversible Pump T1 - 24V
	EN - Declaration of Conformity - Reversible Pump T1 - 24V

Expert opinion

Pol CONIN

Digital Manager

« Technical analysis: Raymarine T1 24V hydraulic pump for autopilot »

The Raymarine T1 24V reversible pump (M81119) is a critical component for autopilot systems on mid-sized vessels equipped with hydraulic steering. Its 24V power supply makes it a natural fit for boats where this voltage is standard, providing a power solution without requiring a converter. Its 80 to 230 cc cylinder capacity is ideal for installations where the Type 0.5 cylinder would be insufficient and the Type 2 oversized.

In practice, the practical value of this pump lies in its reliability. The most critical aspect during installation is maintaining strict cleanliness of the hydraulic system. Any dirt particles, even minor ones, can compromise the function of the integrated check valves, affecting the precision and safety of the autopilot. Installation must be carried out below deck, on a stable surface, away from excessive heat sources or intense vibrations to optimize its lifespan and performance.

Choosing the T1 24V means selecting a solution calibrated for a specific need, avoiding overpowering or undersizing. Its IP67 motor and design allowing motor removal without air intrusion into the hydraulic circuit are assets for maintenance and durability in a marine environment. It is essential to follow EMC installation recommendations, including separating cables and powering it from a battery distinct from the engine starter battery, to ensure system stability and avoid interference.

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Raymarine T1 24V reversible pump

1.254,98€

1.254,98€ ~~1.410,00€~~

Frequently Asked Questions

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What is the main function of the Raymarine T1 24V reversible pump?

The Raymarine T1 24V reversible pump (M81119) is designed to serve as a key component of a Raymarine autopilot system. Its primary role is to actuate the steering mechanism of a vessel. It is primarily intended for boats already fitted with a hydraulic steering system, but can also be used on mechanically steered vessels in conjunction with a secondary steering ram.

What hydraulic cylinder capacity is this pump compatible with?

The Raymarine T1 24V reversible pump (M81119) is specifically compatible with hydraulic cylinders with a capacity between 80 cc and 230 cc. This makes it suitable for medium-sized steering systems.

What are the electrical specifications of the Raymarine T1 24V pump?

This pump is powered by a 24V permanent-magnet DC motor. Typical current draw is 9A when operating at 55 bar pressure.

What are the installation requirements for the Raymarine T1 24V hydraulic pump?

For correct installation of the Raymarine T1 24V pump, here are the key requirements:

It must be installed below deck. Secure the pump to a solid structure to minimize vibrations and protect the hoses. Keep it away from heat sources, excessive vibrations, fumes, and confined areas containing flammable materials. Absolute cleanliness is essential during installation to prevent dirt from affecting the system's check valves.

What is the flow rate and maximum pressure of this pump?

The Raymarine T1 24V reversible pump can deliver a maximum intermittent pressure of 55 bar (800 psi). Its peak flow rate, measured at no load, reaches 1000 cc/min.

Is this pump compatible with balanced or unbalanced hydraulic rams?

Yes, the Raymarine T1 24V reversible pump is compatible with balanced and unbalanced hydraulic rams. It can also be used with pressurized reservoir systems.