Halic University Visited Our Company

In the second week of May, Haliç University Industrial Engineering Department students visited our factory under the leadership of Prof. Dr. Kenan Özden and Prof. Dr. Müzeyyen Marşoğlu. In the seminar held with the students, the difficulty and importance of making production in Turkey using only its own resources, the efforts to enter the sector […]

Read more

What is the meaning of “Goal” for Gelişim

Gelisim Valve; In 1989, when it took its first steps in the Turkish industry, its only capital was its founding staff, honesty and determination that put engineering power on the table. As an alternative to approaches that measure their goals with rulers and scales, they set out to offer permanent products to the world we […]

Read more

2016 Step by step, labour by labour…

“Turkey” means all the people of Turkey who work with their labour and pour their sweat into this country. Happy New Year to its beautiful people, step by step towards better days, labour by labour…

Read more

We have renewed the certificate to use Official API Monograms

As Gelişim Valve, we have renewed the certificate of authority to use the official API Monograms for the API 600-0125, API 608-0014 and API 6D-1168.  

Read more

Prof. Dr. Doğan Özgür, one of the esteemed professors of Yıldız Technical University, passed away

You have contributed a great deal to the world and life we live in. We consider ourselves very lucky that you never withheld your energy, excitement of life and love from us. We remember you and the memories you left with longing.

Read more

Our NACE MR 0175 certificate has entered into force

One of the ongoing studies on the casting method carried out by the “Continuous Improvement Team” at Gelisim Valf has been finalised. Our NACE MR 0175 certificate has entered into force. With the NACE MR 0175 certificate, long-lasting products that meet customer demands in the best way We have added one more step to our […]

Read more

Pressure and Temperature Tables According to Material Properties

ASTM A 216 Gr WCB Material Group 1.1: Carbon steel used in all valves for regular and general use. Not recommended for temperature conditions above 425C. ASTM A 217 Gr WC1 Material Group 1.5: Carbon, known as 1/2 Molybdenum steel. It is a low carbon, high temperature steel, resistant to temperatures up to 455C, suitable […]

Read more

Development received GOST-R Certificate.

Gelişim Gost-R certificate has entered into force. Continuous improvement and updating of information and equipment is our primary goal in every period and continues uninterruptedly.

Read more

Design Specifications For Cast Steel Valves

GELİŞİM® cast steel valves are designed in accordance with the specifications set by API – American Petroleum Institute and ANSI – American National Standards Institute.

Read more