- Bore
- Ø32 – Ø160 mm
- Tube
- 316L (1.4404), honed, Ra ≤ 0.3 µm · H9
- Rod
- 316L, hard chrome 20–30 µm, min. 850 HV · f7
- Working pressure
- Up to 180 bar
- Temperature
- −35 … +105 °C (NBR)
Hydraulic cylinders, power units, marine hydraulics.
From design to on-site commissioning: class-approved marine cylinders, power units up to 15,000 litres, on-board piping and flushing. The solution partner of Danfoss and EPE in Türkiye.
- Founded
- 2007
- Technical staff
- 45 people
- Cylinders · max.
- Ø650 × 9,500 mm
- Power units
- 25 – 15,000 L
- Class approvals
- DNV · BV · LR · RINA
01 Products and services Parts list 1–9
Hydraulics from one source:
product, build, field.
We are a project-driven hydraulics company. We learned in the field which component suits which application; we design the system, build it, install it and hand it over clean.
- 1
Hydraulic Cylinders
Ø650 mm · 9,500 mm stroke
Custom cylinders for steel mills, dams, presses and mobile equipment.
- 2
Certified Marine Cylinders
SHS316 · SHS355 · DNV / BV
Class-approved stainless and carbon steel cylinders for ships.
- 3
Hydraulic Power Units
25 – 15,000 L
Power unit design, manufacturing and on-site commissioning.
- 4
Hydraulic Accumulators
EPE · bladder · piston · diaphragm
EPE accumulators, accumulator stands and nitrogen charging.
- 5
Stainless Tube Fittings
Danfoss · WALFORMplus · 1.4571
Danfoss tube fittings in steel and stainless steel.
- 6
Installation and Piping
On-board · isometric pipe
Piping, hoses, testing and supervision at the yard and the plant.
- 7
Flushing and Pickling
ISO 4406 · particle counting
Pickling, flushing, oil measurement; flushing unit rental.
- 8
Machinery and Automation
Servo · mobile · defence
Special hydraulic machines, vehicle applications, filtration carts.
- 9
Hydraulic Components
Danfoss · Vickers · Emmegi
Pumps, motors, valves, hoses and heat exchangers.
- PDF · 24 pagesDownload
Marine cylinder catalogue
SHS316 and SHS355 dimension tables, mounting types and the certified reference list.
02 Certified marine cylinders Type SHS316 / SHS355
Class-approved
marine cylinder
manufacturing.
From live fish carriers to trawlers, from offshore vessels to superyachts: our watertight hatch, trawl deck and main hatch cylinders are at work on vessels flying Norwegian, Irish and Faroese flags.
- Bore
- Ø32 – Ø320 mm
- Tube
- E355+SR, honed, Ra ≤ 0.3 µm · H8; metallised coating on request
- Rod
- 316L, hard chrome 20–30 µm, min. 850 HV · f7
- Working pressure
- Up to 250 bar
- Temperature
- −35 … +105 °C (NBR)
Certified cylinder references
Full list| Hull no. | Vessel / owner | Application | Approval | Type |
|---|---|---|---|---|
| NB67 | 6500 CBM live fish carrierIntership · Norway | Watertight hatch cylinder | BV | SHS316 |
| NB66 | 4000 CBM live fish carrierIntership · Norway | Watertight hatch cylinder | BV | SHS316 |
| NB64–65 | 5000 CBM live fish carrierIntership · Norway | Watertight hatch cylinder | DNV | SHS316 |
| NB1088 | LNG-fuelled live fish carrierNordlaks · Norway | MMC system cylinder | DNV | SHS316 |
| NB1089 | LNG-fuelled live fish carrierNordlaks · Norway | MMC system cylinder | DNV | SHS316 |
| NB1105 | Freezer stern trawler (w/ factory)P/F Havborg · Faroe Islands | Watertight hatch cylinder | DNV | SHS355 |
03 Distributorships Danfoss · EPE · Emmegi
Global brands,
local engineering.
We use what we sell in our own projects. So we do more than hand over a part from stock: we help you choose the right product and commission it.
Power Solutions · Authorized distributor
Tube fittings (WALFORMplus, WALRing, WALPro), Vickers pumps and valves, hydraulic motors, Winner hoses and fittings. In steel and 1.4571 stainless.
Eaton is now Danfoss. Eaton’s hydraulics business joined Danfoss Power Solutions in 2021. We continue to supply Vickers, Walterscheid, Winner, Hansen, Gromelle and Waltech products under the Danfoss umbrella.
Tube fittings
Filters · Accumulators · Distributor for Türkiye
Bladder, piston and diaphragm hydraulic accumulators; safety blocks, charging kits and mounting accessories. PED/CE and ASME design options.
We build the stand. We size the accumulator, build its stand, and complete nitrogen charging and commissioning on site.
Hydraulic accumulators- WinnerHydraulic hoses and hose fittings (Danfoss)
- EmmegiHeat exchangers and oil coolers
- Ser CylOur own brand: standard and custom cylinders
- All brands and product range
04 Engineering Design → build → commission
From drawing to working system.
- 01
Engineering
Hydraulic circuit diagram, calculation and 3D design. We select the right components from experience.
- 02
Manufacturing
Cylinders, power units, valve and accumulator stands are built at our İstanbul and Yalova facilities.
- 03
Installation and Piping
Isometric pipe fabrication, on-board piping and hose installation by our field crew.
- 04
Flushing and Testing
Pickling, flushing, pressure testing, and a cleanliness class reported by particle counting.
- 05
Commissioning
On-site commissioning, supervision, training and maintenance support afterwards.
- Industries
- Shipyards and shipbuilding
- Fishing vessels and live fish carriers
- Offshore and yachts
- Iron and steel
- Defence
- Dams and energy
- Presses and sheet metal
- Mobile and truck-mounted
05 Hydraulic projects Selected work
Systems at work
in the field.
All references -
MarineTrawler main hydraulic power unit
Tersan Shipyard · NB1109
3,000 L · 4 × 110 kW
- Marine
Emergency closing door hydraulic and automation control system
Longliner fishing vessel
Accumulator station · stainless piping
-
MarineHydraulic cylinders and hydraulic system
NB1088 – NB1089 · LNG-fuelled live fish carriers
DNV-approved SHS316 cylinders
-
OffshoreModular stinger hydraulic system
Offshore
Special cylinder · hydraulic circuit design
-
IndustryHydraulic systems for steel-mill machinery
Rolling mills and casting lines
Power unit · cylinders · site installation
-
DefenceDefence industry applications
Vehicle-mounted hydraulic systems
Custom cylinders and power unit
06 References Marine · industry
Marine hydraulics
- DamenNetherlands
- OptimarNorway
- Cemre MarinTürkiye
- Tersan ShipyardTürkiye
- Sefine ShipyardTürkiye
- UzmarTürkiye
- Alia YachtTürkiye
- Özata ShipyardTürkiye
Industrial hydraulics
- İçdaş Iron & SteelTürkiye
- Habaş Iron & SteelTürkiye
- Qatar SteelQatar
- Watani SteelSaudi Arabia
- DanieliItaly
- Borusan MannesmannTürkiye
- Polimer KauçukTürkiye
- DaikinJapan
- YukonTürkiye
07 Facilities İstanbul · Yalova
Three locations,
one team.
Engineering and sales in Dudullu, manufacturing and stock at İMES, and a factory in the Altınova shipyard zone in Yalova. We build within walking distance of the yards.
- A Head Office and ManagementDudullu OSB, İMES Sanayi Sitesi, E Blok 504. Sokak No: 13, Ümraniye / İstanbul
- B Manufacturing and Sales OfficeDudullu OSB, İMES Sanayi Sitesi, A Blok 106. Sokak No: 3, Y. Dudullu / İstanbul
- C FactoryTersaneler Bölgesi, Altınova / Yalova
08 Frequently asked
Short answers.
What does Ser Hidrolik manufacture?
Hydraulic cylinders up to Ø650 mm bore and 9,500 mm stroke, hydraulic power units from 25 to 15,000 litres, valve stands, accumulator stands and SER FORM hydraulic tube preparation machines.
Which brands do you represent?
We are a Danfoss Power Solutions authorized distributor (Eaton’s hydraulics business joined Danfoss in 2021; Vickers, Walterscheid and Winner products are now under the Danfoss umbrella). We represent EPE hydraulic accumulators in Türkiye and supply Emmegi heat exchangers.
Which classification societies approve your marine cylinders?
Our SHS316 and SHS355 marine cylinders have been delivered with DNV and Bureau Veritas certificates on a project basis; we also manufacture for projects under Lloyd’s Register and RINA.
Quotation and technical support
Let’s talk about your project.
A cylinder size, a power unit capacity or a piping job on board: tell us what you need and our engineering team will come back with a technical solution and a quote.