Medisan | Forged steel pipe fittings and industrial flanges

Founded in 1999, Medisan İnşaat ve Tesisat Malzemeleri Sanayi ve Ticaret Limited Şirketi brings over 26 years of manufacturing and engineering expertise to the piping components sector. Operating from Istanbul, Turkey, the enterprise designs, manufactures, and supplies heavy-duty forged steel fittings, butt weld pipe fittings, and fully machined flanges for mission-critical installations worldwide. With an established international distribution footprint, Medisan exports its certified components to customers across approximately 50 countries, serving sectors such as oil and gas, petrochemicals, power generation, and general processing plants.

All forged fittings supplied by Medisan are delivered alongside material test reports and raw material documentation certified to EN 10204 3.1 standards. The manufacturing management operates under the ISO 9001:2015 quality assurance framework. To accommodate demanding engineering specifications, the company supports a wide suite of destructive and non-destructive examinations, including Positive Material Identification (PMI), ultrasonic testing, radiographic evaluation, hardness testing, and hydrostatic pressure testing.

The comprehensive product portfolio includes the following core categories:

• High-Pressure Forged Steel Pipe Fittings: Engineered in ratings of Class 2000, 3000, 6000, and 9000 lbs in compliance with ASME B16.11, MSS SP-79, MSS SP-83, MSS SP-95, MSS SP-97, and BS 3799. Dimensions span 1/8″ to 4″ (DN6 to DN100). Socket weld configurations include 90° elbows, 45° elbows, tees, crosses, unions, full couplings, half couplings, caps, bosses, sockolets, weldolets, and inserts. Threaded fittings, machined to ASME B1.20.1 NPT or BSPT standards, comprise 90° and 45° elbows, street elbows, tees, crosses, unions, straight and reducing couplings, hex and FM bushings, square/hex/round head plugs, bosses, thredolets, nipolets, hex nipples, and swage/bottle nipples.

• Butt Weld Pipe Fittings: Available from 1/8″ NB up to 48″ NB in both seamless construction (formed via hot or cold extrusion) and welded configurations manufactured from rolled plates with 100% X-ray inspection. Dimensional standards cover ASME B16.9, ASME B16.28, MSS SP-43, DIN standards (DIN 2605, 2615, 2616, 2617, 28011), and EN 10253-1 / EN 10253-2. The line includes 90° and 45° elbows, concentric and eccentric reducers, tees, and caps across wall thicknesses from SCH 5s to SCH 160, STD, XS, XXS, and custom schedules.

• Forged Steel Flanges: Fabricated from 1/2″ (15 NB) to 48″ (1200 NB) according to ASME B16.5, ASME B16.47 (Series A & B), and MSS SP-44. Ratings extend across ANSI Class 150 through Class 2500 as well as European metric classes PN6 through PN64. Geometry types include weld neck (WNRF, LWNRF), slip-on (SORF), blind (BLRF), lap joint (SOLJ), socket weld (SWRF), threaded, orifice, reducing, spectacle blind, spacer, and spade flanges. Sealing facings are available in Flat Face (FF), Raised Face (RF), and Ring Type Joint (RTJ).

Medisan processes carbon steels (ASTM A105/A105N, A350 LF2, A106 Gr.B, A234 WPB, A420 WPL3/WPL6, and A694 series), stainless grades (ASTM A182 / A403 WP304/304L/304H, WP316/316L/316H, 321, 347, 310, 904L, and 2205 Duplex), and chrome-moly alloy steels (WP1, WP5, WP9, WP11, WP22, WP91). In addition, high alloys such as Monel, Inconel, Hastelloy, copper-nickel (CuNi 90/10 and CuNi 70/30), and titanium can be provided for corrosive operating environments. Components can be finished with surface protections including hot-dip galvanizing, electro-zinc plating, black phosphating, anti-rust varnishes, black oxide, aluminizing, or blast finishing.