
Flange class and the pressure-temperature relationship
How service temperature drives the choice between Class 150 and Class 300, and how to read the ASME B16.5 tables.
Many years of field experience in piping material and valve supply.
Products to ASME, EN and API standards, with EN 10204 certificate management.
Same-day response to urgent needs from ready stock at our Dilovası warehouse.
Alongside packaged project supply, we also cover day-to-day operational items.
Eight main groups with dimension tables, pressure classes and material options. All industries








SDY Metal supplies, from a single source, the connection and sealing materials required in pipelines and process plants. Through strategic partnerships with leading manufacturers and our own stock, we cover both day-to-day operational needs and project requirements.
We select the right item based on pressure class, temperature and corrosion conditions.
Send your material list, isometrics or MTO file and we will come back with price and lead time the same day.
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How service temperature drives the choice between Class 150 and Class 300, and how to read the ASME B16.5 tables.

How winding material, filler and ring combinations affect sealing performance.

A comparison of B7/2H, B7M/2HM and stainless alternatives against corrosion and temperature criteria.

Sleeve and washer selection in flange insulation, and managing the potential difference along the line.
Fill in the form or send your item list directly by e-mail.
Gürsel Mah. İmrahor Cad. No:29, Premier Kampüs Ofis, A Blok, Floor 2, No:88
34400 Kâğıthane / Istanbul, Türkiye
Çerkesli OSB Mah. İMES 17. Cadde, C-1 Blok No:40/1
Dilovası / Kocaeli, Türkiye