MARSILI C.7/45 Hydraulic Pump with Check Valve

SVB item number: 40088 Manufacturer no.: 14.025-WITH-VALVE
This high-class hydraulic steering system is made with careful attention to detail and features modern technology without compromise on material specification and operating pressures. 
Product details
Recommended retail price: €857.99
only  €572.95
-33%
You save: €285.04
4 | in stock
pcs.
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Available variants

Hydraulic Pump with Check Valve C5/25
MARSILI Hydraulic Pump with Check Valve C5/25
€734.23
only €542.95
To product
Hydraulic Pump with Check Valve C7/37
MARSILI Hydraulic Pump with Check Valve C7/37
€857.99
only €572.95
To product
Hydraulic Pump with Check Valve C5/18
MARSILI Hydraulic Pump with Check Valve C5/18
€734.23
only €493.95
To product

Product data

  • SVB item number 40088
  • Manufacturer no. 14.025-WITH-VALVE
  • Description Hydraulic pump with check valve
  • Installation frame necessary No
  • Pump capacity per revolution 45 cm³
  • Min. steering wheel Ø 320 mm
  • Installation depth 84.5 mm
  • Cone 17 / 19 mm
  • Check Valve Yes
  • Length 211 mm
  • Material Aluminium
  • Thread 1/4"
  • Width 135 mm
  • Accessories for Not specified

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Product details

Pipe thread Outer-Ø
G 1/8" 9,73 mm
G 1/4" 13,16 mm
G 3/8" 16,66 mm
G 1/2" 20,96 mm
G 5/8" 22,91 mm
G 3/4" 26,44 mm
G 7/8" 30,20 mm
G 1" 33,25 mm
G 1 1/8" 37,90 mm
G 1 1/4" 41,91 mm
G 1 3/8" 44,32 mm
G 1 1/2" 47,80 mm
G 1 3/4" 53,74 mm
G 2" 59,61 mm
G 3" 87,80 mm
This high-class hydraulic steering system is made with careful attention to detail and features modern technology without compromise on material specification and operating pressures. The hydraulic system consitsts of two parts: the helm and the cylinder. The helm is an axial piston pump, with small pistons inside, which are directly actuated by the steering wheel. The double-acting cylinder is mounted on a base allowing it to swing according to the arc described by the rudder tiller.
All parts are manufactured to the highest standards and of the best materials, for long service life, corrosion resistance and operating efficiency. Installation is very easy; you only have to connect the pump to the cylinder by means of copper, steel or nylon hoses. The check valve allows you to easily add a second steering position or an electric hydraulic pump for an autopilot to your hydraulic boat steering system. To select your control system, choose the cylinder you need (depending on your type of vessel or the required rudder torque) and the corresponding hydraulic pump. Relevant calculation documents are available.

Note: The hydraulic steering pumps are fitted with a check valve to prevent feedback from the rudder or drive being transmitted to the steering wheel. They also feature a built-in bypass valve to protect against damage if pressure is too high.
Connections: G 1/4 female thread
Filler neck: G 3/8 female thread

Documents

multi-flag Manual
PDF (557,36 KB)
Item 40083, 40087
multi-flag Manual
PDF (557,42 KB)
Item 40084, 40088
multi-flag Manual
PDF (564,04 KB)
Item 40081, 40082, 40087, 40088

Systems

Product safety

What other SVB customers have to say

100% real reviews

6 customer reviews

4.5 (out of 6 ratings)
4 Stars
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1 Stars
(0)
Peter S.
by Peter S. Flag of Germany 7/31/2018 Verified purchase Variant: 40088
Instructions are not included, longer questions are necessary

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Customers ask customers

Technical question
Kestutis A. | Aug 12, 2025 Flag of English
User image of Kestutis A.

Hello, does this pump have a return line plug, which is necessary to connect it to the system with other pumps, for example, Garmin reactor autopilot? I can not understand it from the manual or photos. Thank you for your help. A fast answer would be much appreciated, as it is very important. Thanks

No answers yet. Be the first to answer this question!

Comparison

Availability / Price
only €572 95
Only 4 in stock
only €542 95
Only 2 in stock
only €572 95
Only 1 in stock
only €493 95
Expected to be in stock within 2-3 weeks
Item no.
40088
40086
40087
40085
Customer ratings
(6)
(5)
(3)
(5)
Description
Hydraulic pump with check valve
Hydraulic pump with check valve
Hydraulic pump with check valve
Hydraulic pump with check valve
Width
135 mm
132 mm
135 mm
132 mm
Installation depth
84.5 mm
84.5 mm
84.5 mm
45 mm
Length
211 mm
211 mm
211 mm
180 mm
Thread
1/4"
1/4"
1/4"
1/4"
Material
Aluminium
Aluminium
Aluminium
Aluminium
Pump capacity per revolution
45 cm³
25 cm³
37 cm³
18 cm³
Check Valve
Cone
17 / 19 mm
17 / 19 mm
17 / 19 mm
17 / 19 mm
Installation frame necessary
Min. steering wheel Ø
320 mm
300 mm
320 mm
300 mm
Accessories for
Not specified
Not specified
Not specified
Steering
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MARSILI C.7/45 Hydraulic Pump with Check Valve
View Ratings (6) Questions (6)