CMA GROUP > PARTNERS

Official Technical Service Provider

Rexroth

Bosch Rexroth is one of the world’s leading specialists in the field of drive and control technologies.

Under the brand name of Rexroth the company supplier more than 500,000 customers with tailored solutions for driving, controlling and moving.

As The Drive & Control Company, Bosch Rexroth develops produces and sells components and systems in more than 80 countries in the technology fields Electric Drives and Controls, Industrial Hydraulics Lineal Technology, Assembly Technology and Pneumatics.

Winch Drives
Bow & Stern Thrusters
Ship Cranes, Davits & Hatch Covers

Official Technical Service Provider

FIVA Valve

Material No. R901173560 | Type STW 0175-1X | FIVA – Fuel Injection Valve Actuation

A three-stage, pilot-operated directional control valve with electrical position feedback of the main control spool and integrated electronics (OBE), designed for precise actuation in large diesel engines.

Key specifications

Component series: 1X and 2X
Maximum operating pressure: 300 bar
Maximum flow rate: 1000 / 2000 l/min
5/3-way design
Main spool position sensing via inductive position transducer
2-stage pilot valve: type 4WS2EM 6
Subplate mounting with customer-specific connection pattern
Type approvals available from major marine classification societies

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HPS Pump – A4VSO 71 HS4 / HS5 / HM

A4VSO 71 HS4 / HS5 / HM

A robust high-pressure variable-displacement axial piston pump in swashplate design for open-circuit hydrostatic drives, with electro-hydraulic control options for pressure, swivel angle and torque management.

Key specifications

Size range: 40 … 1000
Nominal pressure: 350 / 380 bar
Maximum pressure: 400 / 420 bar
Open-circuit design
Flow proportional to drive speed and displacement
Infinitely variable flow by adjusting the swashplate angle
Low noise level and excellent suction characteristics
Long service life and modular design
Variable through-drive options and flexible installation position
Suitable for variable-speed drives

Control features (use in accordion or expanded specs if desired)

Electro-hydraulic control with proportional and control valve
Digital electro-hydraulic control with amplifier or on-board electronics
Control of swivel angle, pressure and torque limitation
Variable-speed control with HS5 / HS5E
Mechanical Vg min / Vg max limitation and internal control-pressure options

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A10VSO Variable-Displacement Pump

Material No. R910942213 | A10VSO18DFR/31R-VPA12N00

A versatile medium-pressure axial piston pump with swashplate design for open-circuit hydrostatic drives, offering strong suction performance, flexible control options and through-drive capability.

Key specifications

Size range: 18 to 140
Nominal pressure: 280 bar
Maximum pressure: 350 bar
Open-circuit design
Flow proportional to drive speed and displacement
Infinitely variable flow via swashplate-angle adjustment
Two drain ports
Low noise level and long service life
Favourable power-to-weight ratio and short control time
Through drive suitable for adding gear or axial piston pumps up to the same size
Suitable for mineral oil and HF hydraulic fluids

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A4VG125 High-Pressure Pump

Material No. R90 212 3464 (as supplied) | A4VG125EP4DM1/32R-NZF02F001MH-S

A high-pressure axial piston variable pump for closed-circuit applications, with integrated boost and pilot-oil supply and a broad range of control options.

Key specifications

Size range: 28 to 250
Nominal pressure: 400 bar
Maximum pressure: 450 bar
Integrated auxiliary pump for boost and pilot-oil supply
Flow direction changes as the swashplate passes through neutral
High-pressure relief valves with integrated boost function
Adjustable pressure cut-off as standard
Boost-pressure relief valve
Through drive for mounting additional pumps up to the same size
Swashplate design with a wide range of controls

Marine application: Steering Gear.

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External Gear Pump – AZPF

Material No. 0510425009 | AZPF-11-008RCB20MB

A compact external gear pump engineered for reliable hydraulic power generation, combining high manufacturing precision with robust operation for auxiliary hydraulic systems.

Key specifications

Nominal displacement: 8.0 cm³/rev
Maximum intermittent pressure: 280 bar
Maximum rotational speed: 3500 rpm
Drive shaft: tapered keyed 1:5
Direction of rotation: clockwise
Front cover: rectangular flange, Ø 80 mm
Housing material: aluminium
Model: High Performance (F), 4 … 28 cm³/rev
Sealing material: NBR
Rear cover: standard cast iron
Weight: 3.4 kg

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Directional Spool Solenoid Valve

Material No. R901186443 | 4WE6JB6X/EG24N9K4SO945

A compact solenoid-operated directional spool valve for reliable switching and control of hydraulic flow in demanding systems.

Key specifications

Size: 6
Component series: 6X
Maximum operating pressure: 350 bar [5076 psi]
Maximum flow: 80 l/min [21 US gpm] – DC; 60 l/min [15.8 US gpm] – AC
Available as 4/3-, 4/2- or 3/2-way version
Porting pattern according to ISO 4401-03-02-0-05 and NFPA T3.5.1 R2-2002 D03
High-power solenoid, optionally rotatable by 90°
Individual or central electrical connection
Optional manual override and spool-position monitoring
CE conformity; optional UL / CSA approvals depending on configuration

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Alpha Lubricator Unit

CMA supports Alpha Lubricator units and related hydraulic components for marine main-engine cylinder lubrication systems.

Alpha Lubricator Spare Parts

Available items may include accumulators, solenoid valves, non-return valves, feedback sensors, sealings / O-rings, filter inserts and coupling spiders.

A10VSO Pump Spare Parts

Spare-parts support for selected A10VSO pump configurations. Contact CMA with the pump type and material number for identification.

Directional Spool Valves

Bosch Rexroth directional spool valves for hydraulic control applications, supported by CMA for marine service and spare-parts requirements