Karasu Makina
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    • Who We Are
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  • Expansion Joints
    • Axial Types
      • KRS-11 PN 16Loose Flanged
      • KRS-12 PN 16Fixed Flanged
      • KRS-13 PN 16Weld End
      • KRS-14 30 mmExternal Pressurised
      • KRS-15 PN 16District Heating
    • Lateral Types
      • KRS-21 PN 16Uni. Flanged With Tierods
      • KRS-22 PN 16Uni. Weldend With Tierods
      • KRS-23 PN 16Uni. Flanged With Tierods
      • KRS-24 PN 16Uni. Weldend With Tierods
      • KRS-25 PN 16Uni. Hinged Weldend
      • KRS-26 PN 16Uni. Hinged Flanged
    • Angular Types
      • KRS-31 PN 16Hinged-Flanged End
      • KRS-32 PN 16Cardan Hinged-Flanged End
      • KRS-33 PN 16Hinged-Welding End
      • KRS-34 PN 16Cardan Hinged-Weld End
    • Standard Productions
      • KRS-1 Loose Flanged30-60 mm Movement
      • KRS-2 Fixed Flanged30-60 mm Movement
      • KRS-3 Weld End30-60 mm Movement
      • KRS-4 External Type30 mm Movement
      • KRS-5 PN 16Epdm & Nbr
      • KRS-6 Heat TypeFor Buildings
    • PTFE Type 1000 Series
      • Ptfe Type 10011 Convolution
      • Ptfe Type 10022 Convolution
      • Ptfe Type 10033 Convolution
      • Ptfe Type 10044 Convolution
      • Ptfe Type 10055 Convolution
      • Ptfe Type 10066 Convolution
      • Ptfe Type 10077 Convolution
    • PTFE Type 2000 Series
      • Ptfe Type 20011 Convolution
      • Ptfe Type 20022 Convolution
      • Ptfe Type 20033 Convolution
      • Ptfe Type 20044 Convolution
      • Ptfe Type 20055 Convolution
      • Ptfe Type 20066 Convolution
  • Level Gauges
    • Big Type Level Gauges
      • KRS-133 Regular TypeBig Type
      • KRS-134 Boiler TypeWith Aluminum Rollers
      • KRS-135 Digital TypeWith Digital Control Panel
      • KRS-136 Transmitter TypeWith Transmitter
      • KRS-137 Switch Type2 Switches + Control Panel.
      • KRS-138 Scale TypeBig Type With Scale
      • KRS-139 Overtank TypeBig Type Overtank
      • KRS-140 Pvc TypeFor Acid Tanks
    • Small Type Level Gauges
      • KRS-133s Regular TypeSmall Type
      • KRS-135S Digital TypeWith Digital Control Panel
      • KRS-136S Transmitter TypeSmall Type With Transmitter
      • KRS-137S Switch TypeSmall Type With Switch
      • KRS-138S Scale TypeSmall Type With Scalet
      • KRS-139S Overtank TypeSmall Type Overtank
    • Level Sensors
      • KRS-111 Digital FlangedWith Digital Control Panel
      • KRS-112 Digital ThreadedWith Digital Control Panel
      • KRS-113 Transmitter FlangedWith Transmitter
      • KRS-114 Transmitter ThreadedWith Transmitter
      • KRS-122 Switched Flanged2 Switches With Flanged
      • KRS-123 Switch Threaded2 Switches With Threaded
      • KRS-124 Level SwitchWith Switch + Threaded
      • KRS-125 Level SwitchWith Switch + Threaded
  • Technical
    • Technical Informations 1
      • Axial Expansion Joints Calculations
      • Lateral Expansion Joint Calculations
      • Angular Expansion Joint Calculations
      • Axial Expansion Joint Applications
    • Technical Informations 2
      • Lateral Expansion Joint Applications
      • Angular Expansion Joint Applications
      • What Is Expansion Joint ?
      • Production Of Expansion Joints
    • Technical Informations 3
      • Expansion Joint Accesories
      • Guiding And Fixed Points
      • Mounting & Pretension For Expansion Joints
      • Expansion Joint Selection
    • Userful Technical Tables 1
      • PN 6 Flange Sizes – DIN EN 1092-1
      • PN 10 Flange Sizes – DIN EN 1092-1
      • PN 16 Flange Sizes – DIN EN 1092-1
      • PN 25 Flange Sizes – DIN EN 1092-1
      • PN 40 Flange Sizes – DIN EN 1092-1
    • Userful Technical Tables 2
      • DIN EN 1092-1 Flange Facing Sizes
      • DIN86044 Exhaust Pipe Flanges
      • ANSI Stainless Steel Seamy Pipe Sizes
      • Pipe Thermal Expansion Table
      • Pipe Pressure Lost Table
    • Userful Technical Tables 3
      • Seamless Steel Pipes
      • Steel Pipe Water Flow-Rate Table
      • ANSI B16.5 Flange Size Table
      • Saturated Steam Table
      • Chemical Analysis Of Steels
    • Userful Technical Tables 4
      • Easy Cycling Tables Between Modules
      • Stainless Steel Grades
      • Corrosion Resistance Table
      • Seamless Steel Pipes
      • Intermediate Guide Spacing Table
  • E-Catalogues
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Who Are We?

karasus in a few words

KARASU was founded in 1991 under the leadership of its founder İsmet KARASU (1944–2006), with the aim of contributing to the industrial products sector in our country. Since then, the Karasu family has been manufacturing expansion joints and level indicators, striving to contribute not only to the national industry but also to the development of the global economy.

By closely following emerging management approaches both globally and domestically, KARASU aims to align its corporate governance accordingly and strives to develop new products that bring greater innovation and value to the industry. The company’s commitment to serving the sector is rooted in a sense of global citizenship. The ISO 9001 Quality Assurance System has been successfully integrated into our entire organization, and through continuous improvement efforts, we evolve and grow stronger every day.

“Quality, Durability, Performance”

KARASU is a family-owned business. Above all, it is led by a management team that upholds values such as transparency, participation, adherence to law, social responsibility, and accountability. With the dedicated efforts of this team, KARASU has undertaken corporate restructuring and alignment with international standards to secure a respected position in the private sector.

Our company, constantly renewing itself, operates with a team of professionals who have fully embraced the principle of accountability, playing an active and transparent role in planning (contributing to strategy development across all company areas) and control (monitoring all types of emerging results).

With a strong sense of environmental responsibility, KARASU is committed to meeting the growing demands of the private sector market. Our experienced and knowledgeable team continues to accelerate efforts in developing new products and enhancing existing quality. We view our customers as long-term business partners, and therefore, we have adopted a customer-oriented approach as a core principle—one that consistently meets customer needs and expectations.

Expansion Joints

  • Axial Types
  • Fixed Flanged
  • Rotating Flanged
  • External Pressurised Types
  • Weld Neck
  • Angular Types
  • Lateral Types
  • Standard Productions
  • PTFE Expansion Joints

Level Gauges

  • Big Type Level Gauges
  • Small Type Level Gauges
  • Level Sensors

İnformation Pages

  • Tables
  • Technical Informations
  • Certifications
  • Quality Management
  • E-Catalogues

Bank Accounts

Yapı Kredi Bank – Euro €

TR60 0006 7010 0000 0030 6713 88

Yapı Kredi Bank – USD $

TR54 0006 7010 0000 0030 6713 02

 

Contact Us

KARASU MAKİNA İMALAT SANAYİ VE TİCARET LİMİTED ŞİRKETİ

Yukarı Dudullu, 18 Mart Cd. No:21 D:B, 34775 Ümraniye/İstanbul


(0216) 364 97 60
 


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