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OEM sealing elements and hydraulic sealing solutions for 16 industries, produced in 11 plants in 6 countries.

AS

AST Sealing Solutions

Ankara (Yenimahalle) · Joint Venture Germany (bushing production) · Office ItalyNew on Amplifa

1998Founded
1200+Employees
11 factories in 6 countriesProduction sites
35 countriesExport
1,325,022Product variants for 18 global brands

About AST Sealing Solutions

AST Sealing Solutions was founded in 1998 in Ankara (Turkey) and is an OEM supplier of sealing elements for industrial and hydraulic applications. The portfolio includes hydraulic seals (Rod Seals, Piston Seals, Scrapers, Wear Rings), rotary shaft seals, static seals, O-rings, Original Seal Kits, bushings as well as diaphragm, piston and bladder accumulators from 0.16 to 3.2 liters. The products are made from elastomers such as NBR, FKM, VMQ, FFKM and PTFE; at its own R&D center (since 2011), material formulations for rubber, plastics, coatings and adhesives are developed and mixed. With over 1,325,000 product variants for 18 global OEM brands, the company supplies industries such as automotive, construction machinery, agriculture, material handling, CNC machines and pharma. AST Sealing operates 11 factories in 6 countries, employs over 1,200 people and exports to 35 countries.

Site
Ankara, Turkey
Processes
Manufacture of hydraulic seals (rod seals, piston seals, scrapers/wipers, wear rings), Rotary shaft seals (oil seals, cassette seals, mechanical face seals etc.), O-rings (nitrile, Viton, silicon, FloroViton, Teflon), Diaphragm, piston and bladder accumulators (0.16 L to 3.2 L), Original seal kits for hydraulic components (pumps, hydraulic motors, valves, gearboxes etc.), Bushing production, Production of high-temperature-resistant seals, Engineered molded parts / custom molded parts
Materials
Nitrile (NBR), Viton (FKM, FPM), Silicon (VMQ), FloroViton (FFKM, FFPM), Teflon (PTFE), Acrylic rubber (ACM), Orkot®, Nitrile rubber (NBR)
Certificates
ISO 9001
Founded
1998
Employees
1200+
Industries
Automotive / passenger cars, Construction machinery / excavators, Agriculture, Mining / mining trucks, Material handling / forklifts, CNC machines
  1. 01

    Material formulation and elastomer compounding (R&D)

  2. 02

    Production of the sealing elements

  3. 03

    Quality inspection of every production phase by Control Engineers

  4. 04

    Brand protection through unique-code system

  5. 05

    Worldwide delivery / export

Materials & Processes

NBR

Nitrile rubber (NBR)

For O-rings and seals with good oil and abrasion resistance.

FKM

Viton (FKM, FPM)

For O-rings and seals with high temperature and chemical resistance.

VMQ

Silicone (VMQ)

For O-rings with a wide temperature range.

FFKM

FloroViton (FFKM, FFPM)

For O-rings under extreme chemical and thermal conditions.

PTFE

Teflon (PTFE)

For O-rings and custom PTFE components with high chemical resistance.

ACM

Acrylic rubber (ACM)

Raw material base for proprietary elastomer compounds.

ORKOT

Orkot®

Custom machined profiles for bushings and drive systems in material handling.

SPRITZ

Injection-molded special molded parts

Engineered and custom molded parts for drive, brake and fuel cell systems.

Locations

Ankara

TR

Headquarters and production (Yenimahalle)

Materials
NBR, FKM, VMQ, FFKM, PTFE
  • Low-temperature testing device
  • Salt spray test device
  • 2D measuring system
  • Lip pressure testing device (LOP)
  • 2000x microscope
  • FTIR infrared spectroscopy
  • Visual inspection machine

Germany

DE

Joint venture for bushing production

Materials
Orkot®

Italy

IT

Office for operational activities

Industries

Automotive / passenger carsConstruction machinery / excavatorsAgricultureMining / mining trucksMaterial handling / forkliftsCNC machinesInjection molding machinesPressesRoboticsRail transportMerchant shippingFood & beveragesPharmaPower generationPower transmissionRecreational

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Manufacture of hydraulic seals (rod seals, piston seals, scrapers/wipers, wear rings)Plastics––––NBR, FKM, VMQ, FFKM, PTFE
Rotary shaft seals (oil seals, cassette seals, mechanical face seals etc.)Plastics––––NBR, FKM, VMQ, FFKM, PTFE
Plastics––––NBR, FKM, VMQ, FFKM, PTFE
O-rings (nitrile, Viton, silicon, FloroViton, Teflon)Plastics––––NBR, FKM, VMQ, FFKM, PTFE
Diaphragm, piston and bladder accumulators (0.16 L to 3.2 L)Plastics–––––
Original seal kits for hydraulic components (pumps, hydraulic motors, valves, gearboxes etc.)Plastics–––––
Bushing productionPlastics––––Orkot
Production of high-temperature-resistant sealsPlastics–––––
Engineered molded parts / custom molded partsPlastics–––––
In-house elastomer formulation and compounding (rubber, plastics, coatings, adhesives)Engineering––––Acrylic rubber, Fluoro rubber, proprietary polymers
CAD service (2D/3D technical drawings for download)Engineering–––––
Testing–––––

7 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Low-temperature testing device–––1999Ankara
Salt spray test device–––1999Ankara
2D measuring system–––1999Ankara
Lip pressure testing device (LOP)–––1999Ankara
Microscope 2000X–––1999Ankara
Infrared spectroscopy (FTIR)–––1999Ankara
Visual inspection machine–––2000Ankara

Additional services

OEM seal developmentResearch & development (R&D center since 2011)Material formulation and rubber mixingQuality inspection of every production phaseCAD service (2D/3D technical drawings)Brand protection through unique-code systemWorldwide delivery / export

Reference customers

CaterpillarChampionEatonBosch RexrothFord Otosan

Quality Management

As part of the total quality management program, every production phase is inspected by Control Engineers according to defined standards. The testing equipment includes low-temperature and salt spray tests, 2D measuring systems, lip pressure testing (LOP), 2000x microscopy and FTIR infrared spectroscopy.

EvidenceAnkara
ISO 9001

History

  1. 1998

    Founded in February 1998 in Ankara (Yenimahalle); started as a supplier of shaft seals (oil seals).

  2. 1999

    Investments in quality control equipment: low-temperature testing device, salt spray test device, 2D measuring system, lip pressure testing (LOP), 2000x microscope, FTIR.

  3. 2000

    Acquisition of a visual inspection machine; start of seal supply for Caterpillar and Champion hydraulic systems.

  4. 2003

    Representatives in Italy, Belgium and the United Kingdom; start of supplying O-rings and V-rings.

  5. 2004

    Representatives in Greece, Russia and the Netherlands; opening of an office in Italy.

  6. 2005

    Representatives in Turkey; start of supplying end covers and back-up rings.

  7. 2008

    Start of seal supply for Eaton and Bosch Rexroth hydraulic systems.

  8. 2009

    Start of bushing production at the joint venture in Germany; representatives in African countries.

  9. 2010

    Representatives in Balkan countries.

  10. 2011

    Opening of its own R&D center.

  11. 2016

    Countries served rises to 29; new department for passenger car technologies; market launch of Seal Kits via joint ventures.

  12. 2017

    Start of production of high-temperature-resistant seals.

  13. 2019

    Number of countries served rises to 35.

  14. 2021

    Start of seal supply for Ford Otosan; AST Sealing celebrates its 23rd anniversary.

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