24-Volt, Type 2 pump for hydraulic steering systems

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Raymarine

M81123

T2 - 24V reversible pump

Designed for Raymarine autopilot systems, the T2 reversible pump - 24V (M81123) is a robust hydraulic solution for cylinders from 230 to 350 cc. Rated IP67, it delivers a peak flow rate of 2300 cc/min at 24V, ensuring precise steering for vessels equipped with existing hydraulic systems or a secondary cylinder. It fits into the Raymarine range between Type 1 and Type 3 pumps, for mid-power applications.

Retail priceBenefit from the professional rate

1.361,80€

1.361,80€ ~~1.518,00€~~

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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

Find an installer

Support service

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Technical specifications

Max power consumption	264 W
Typical power consumption	264 W
Operating voltage	24 V
Recommended fuse rating	15 A
Product width	59.5 mm
Product height	89 mm
Product depth	204 mm
IP rating	IP67
Mounting type	Surface mount (bolt-on)
Certifications	CE, IEC 60945
Displacement	230-350 cc
Drive unit type	Reversible hydraulic pump
Mounting hardware included	No
Max pressure	55 bar (800 psi)
Disengageable	No

Detailed description

The Raymarine T2 - 24V reversible pump (M81123) is a key component for autopilot systems, designed to operate the steering mechanism on vessels equipped with an existing hydraulic system. It can also be used on mechanically steered boats via a secondary steering cylinder. This pump stands out for its ability to integrate into various configurations, including balanced or unbalanced cylinders and pressurized reservoir systems.

Design and technical performance

Powered by a 24V DC permanent magnet motor, the T2 pump is suitable for hydraulic cylinders with a capacity of 230 cc to 350 cc (14 to 21.4 in³). Within the Raymarine range, it is positioned as an intermediate power solution, superior to the Type 1 pump (80-230 cc) and inferior to the Type 3 (350-500 cc). It delivers a peak flow rate of 2300 cc/min (140.4 in³/min) at no load and supports a maximum intermittent pressure of 55 bar (800 psi). Typical power consumption is 11A at 24V and 55 bar.

The motors are rated IP67, ensuring protection in engine compartments and against temporary immersion. Their design allows motor removal without introducing air into the hydraulic system or fluid leakage. Pilot-operated check valves are integrated to prevent backflow from the manual steering system or rudder load, contributing to steering stability.

Integration and compliance

The T2 pump dimensions are 59.5 mm for dimension A and 204 mm for dimension B. All hydraulic ports are 1/4 inch BSPP (parallel thread). This product complies with CE standards, including 2004/108/EC (EMC) and EN60945:2002, as well as Directive 94/25/EC (RCD), EN28846:1993, and EN ISO 10592:1995, attesting to its reliability and electromagnetic compatibility in marine environments.

Documentation

Type	Nom
	EN - Installation Manual - Reversible Hydraulic Pump T2 - 24V
	EN - Technical Drawing - Reversible Pump T2 - 24V
	EN - Declaration of conformity - Reversible pump T2 - 24V
	EN - Declaration of conformity - Reversible pump T2 - 24V
	EN - Declaration of conformity - Reversible pump T2 - 24V
	EN - Declaration of Conformity - Reversible Pump T2 - 24V
	EN - Declaration of Conformity - Reversible Pump T2 - 24V
	EN - Declaration of Conformity - Reversible Pump T2 - 24V

Expert opinion

Pol CONIN

Digital Manager

« Integration and performance of the Raymarine T2 24V pump for autopilots »

The Raymarine T2 reversible pump in 24V (M81123) is a targeted solution for autopilot systems on mid-sized vessels. Its 24V power supply makes it naturally suited to boats with an adapted electrical system, often cruising sailboats or larger motorboats compared to those equipped with 12V systems. It integrates at the heart of the autopilot system, particularly with SPX autopilot computers or Evolution actuator control units (ACUs).

During installation, special attention must be paid to the absolute cleanliness of the hydraulic circuit to prevent contamination of the check valves. Mounting under the deck on a robust structure is mandatory to limit vibrations and ensure the longevity of the fittings. The 230 to 350 cc cylinder capacity makes the T2 a relevant choice for medium-sized hydraulic cylinders, where a Type 1 pump would be underpowered and a Type 3 pump oversized, thus offering a balance between power and electrical consumption. It is crucial to ensure that the existing cylinder volume matches this range to guarantee optimal autopilot performance.

While installation can be performed by a knowledgeable user, the expertise of a Raymarine professional is recommended due to the critical importance of the steering system for safety at sea. The plug-and-play motors without hydraulic circuit bleeding simplify maintenance operations. This pump is not suitable for very low-volume steering systems (less than 230 cc) or very large cylinders (more than 350 cc), for which the Type 0.5/1 or Type 3 models would be more appropriate.

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T2 - 24V reversible pump

1.361,80€

1.361,80€ ~~1.518,00€~~

Frequently Asked Questions

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What is the Raymarine T2 - 24V reversible pump used for?

The Raymarine T2 reversible 24V pump is designed to function as a key component in autopilot systems. Its primary role is to actuate the steering mechanism of a vessel. It is primarily intended for boats equipped with an existing hydraulic steering system. It can also be used on boats with mechanical steering in conjunction with a secondary steering cylinder.

Which types of hydraulic rams is this pump compatible with?

This pump is compatible with hydraulic rams ranging from 230 cc to 350 cc (14 to 21.4 in³). It can be used with balanced or unbalanced rams, whether single-acting or double-acting.

What electrical power supply is required for the Raymarine T2 pump - 24V?

The Raymarine T2 pump is powered by a 24V DC permanent magnet motor. Typical power consumption is 11A at 24V under 55 bar pressure.

What are the physical dimensions of the reversible T2 pump?

The dimensions of the T2 pump are as follows:

Dimension A: 59.5 mmDimension B: 204 mmFor mounting, it has 4 holes for M6 bolts (0.25 in).

Where is the best place to install the hydraulic pump on my boat?

The pump must be installed below deck, on a solid structure to avoid vibrations that could damage the hoses. It is important to mount it away from heat sources, excessive vibrations, and fumes. Do not install it in confined areas containing flammable materials. It is also recommended to install it above the highest possible bilge water level.

What type of hydraulic connection does this pump use?

All hydraulic ports on the T2 reversible pump are in 1/4 inch BSPP format (parallel thread).

What are the flow rate and pressure performance of the T2 pump?

The T2 pump delivers a peak flow rate of 2300 cc/min (140.4 in³/min) at no load. It can handle a maximum intermittent pressure of 55 bar (800 psi).

Is the Raymarine T2 pump waterproof?

Yes, the T2 pump motors have an IP67 rating. This ensures protection in engine compartments and against temporary immersion. However, Raymarine does not warrant products exposed to commercial high-pressure washing.