In-house fabrication and assembly of Pressure Equipment

OCS designs, engineers and manufactures a wide range of products for Oil, Gas, Chemicals, High Vacuum, Cryogenics, Power Generation Industry, Chemical plants.
We’re able to fabricate vessels in carbon steel, low alloy steel, nickel alloys, stainless steel, cladded materials and aluminum.

OCS is specialized in the design and fabrication of Pressure Equipment of high thickness and large dimension, such as:

  • Pressure Vessels
  • Columns
  • Towers
  • Reactors
  • Shell and Tube Heat Exchangers
  • Waste Heat Boilers / Process Gas Boilers
  • Oil Recovery Technologies (Desalters, CPI, IGF/IAF, NSF, Hydrocyclones)
  • PSA
Column in SA 240 Type 316/316L at Uralsk plant – Size: 45.000 x 3.034 mm: 103 t - Rep. of Kazakhstan

Column in SA 240 Type 316/316L at Uralsk plant – Size: 45.000 x 3.034 mm: 103 t - Rep. of Kazakhstan

Column in SA 240 Type 316/316L at Uralsk plant – Size: 45.000 x 3.034 mm: 103 t - Rep. of Kazakhstan

Separator in SA 516 Gr.70 at Moho Nord plant – Size: 14.249 x 3.400 mm; 89 t – Congo

Separator in SA 516 Gr.70 at Moho Nord plant – Size: 14.249 x 3.400 mm; 89 t – Congo

Separator in SA 516 Gr.70 at Moho Nord plant – Size: 14.249 x 3.400 mm; 89 t – Congo

Suction Dampeners with external coils in SA 516 Gr. 70 at Jazan plant – Size: 2.835 x 1.505 mm; 3 t - 75 barg – Saudi Arabia

Suction Dampeners with external coils in SA 516 Gr. 70 at Jazan plant – Size: 2.835 x 1.505 mm; 3 t - 75 barg – Saudi Arabia

Suction Dampeners with external coils in SA 516 Gr. 70 at Jazan plant – Size: 2.835 x 1.505 mm; 3 t - 75 barg – Saudi Arabia

Column in SA 516 Gr. 60 with weld overlay in SS 316 L at Zohr plant – Size: 2.600 x 30.350 mm; 271 t – Egypt

Column in SA 516 Gr. 60 with weld overlay in SS 316 L at Zohr plant – Size: 2.600 x 30.350 mm; 271 t – Egypt

Column in SA 516 Gr. 60 with weld overlay in SS 316 L at Zohr plant – Size: 2.600 x 30.350 mm; 271 t – Egypt

Reactor in SA 516 Gr. 70 / SA 387 Gr. 11 Cl. 2 at Duslo Cpavok plant – Size: 11.200 x 4.500 mm; 76 t – Slovakia

Reactor in SA 516 Gr. 70 / SA 387 Gr. 11 Cl. 2 at Duslo Cpavok plant – Size: 11.200 x 4.500 mm; 76 t – Slovakia

Reactor in SA 516 Gr. 70 / SA 387 Gr. 11 Cl. 2 at Duslo Cpavok plant – Size: 11.200 x 4.500 mm; 76 t – Slovakia

MP Decomposer Separator in SA 516 M Gr. 70 / SA 240 M Type 316 L / SA 213 M TP 310 MoLN (UNS S31050) at Togliatti Azot – Urea plant – Size: 16.857 mm x 2.100 mm; 62 t – Russia

MP Decomposer Separator in SA 516 M Gr. 70 / SA 240 M Type 316 L / SA 213 M TP 310 MoLN (UNS S31050) at Togliatti Azot – Urea plant – Size: 16.857 mm x 2.100 mm; 62 t – Russia

MP Decomposer Separator in SA 516 M Gr. 70 / SA 240 M Type 316 L / SA 213 M TP 310 MoLN (UNS S31050) at Togliatti Azot – Urea plant – Size: 16.857 mm x 2.100 mm; 62 t – Russia

ECONOMIZER IN SA 106 GR. B / SA 234 WPB / SA 516 GR.70 - SIZE: 4200 X 10660 X 5712 AT MILAZZO, ITALY

ECONOMIZER IN SA 106 GR. B / SA 234 WPB / SA 516 GR.70 - SIZE: 4200 X 10660 X 5712 AT MILAZZO, ITALY

ECONOMIZER IN SA 106 GR. B / SA 234 WPB / SA 516 GR.70 - SIZE: 4200 X 10660 X 5712 AT MILAZZO, ITALY

Coils tube bundle in SA 213 TP 304L, SA 351 CF 3 – Size: 8.050 x 3.000 x 4.000 mm; 14 t – UK

Coils tube bundle in SA 213 TP 304L, SA 351 CF 3 – Size: 8.050 x 3.000 x 4.000 mm; 14 t – UK

Coils tube bundle in SA 213 TP 304L, SA 351 CF 3 – Size: 8.050 x 3.000 x 4.000 mm; 14 t – UK

Vacuum preconcentrator with separator in SA 240 TP 304L / 316L with external steam tracing in SA 312 TP 304L and tubes in SA 213 TP 316L at Togliatti plant – Size: 12.516 x 4.700 mm; 44 t - Russia

Vacuum preconcentrator with separator in SA 240 TP 304L / 316L with external steam tracing in SA 312 TP 304L and tubes in SA 213 TP 316L at Togliatti plant – Size: 12.516 x 4.700 mm; 44 t - Russia

Vacuum preconcentrator with separator in SA 240 TP 304L / 316L with external steam tracing in SA 312 TP 304L and tubes in SA 213 TP 316L at Togliatti plant – Size: 12.516 x 4.700 mm; 44 t - Russia

Pressure Vessel in SA 387 Gr. 11 Cl. 1 – Size: 15.350 x 4.330 mm; 240 t – Korea

Pressure Vessel in SA 387 Gr. 11 Cl. 1 – Size: 15.350 x 4.330 mm; 240 t – Korea

Pressure Vessel in SA 387 Gr. 11 Cl. 1 – Size: 15.350 x 4.330 mm; 240 t – Korea

Adsorber in SA 533 Gr. B at Zohr plant – Size: 3.500 x 17.850 mm; 119 t – Egypt

Adsorber in SA 533 Gr. B at Zohr plant – Size: 3.500 x 17.850 mm; 119 t – Egypt

Adsorber in SA 533 Gr. B at Zohr plant – Size: 3.500 x 17.850 mm; 119 t – Egypt

HP Separator in SA 533 M Gr. B with weld overlay Inconel 625 at Beaumont plant – Size: 14.000 x 3.054 mm; 138 t – Texas, USA

HP Separator in SA 533 M Gr. B with weld overlay Inconel 625 at Beaumont plant – Size: 14.000 x 3.054 mm; 138 t – Texas, USA

HP Separator in SA 533 M Gr. B with weld overlay Inconel 625 at Beaumont plant – Size: 14.000 x 3.054 mm; 138 t – Texas, USA

Steam Drums in SA 516 Gr. 70 with external insultation and lagging in aluminum at Pine Bend plant – Size: 5.305 x 1.600 mm; 12 t – Minnesota, USA

Steam Drums in SA 516 Gr. 70 with external insultation and lagging in aluminum at Pine Bend plant – Size: 5.305 x 1.600 mm; 12 t – Minnesota, USA

Steam Drums in SA 516 Gr. 70 with external insultation and lagging in aluminum at Pine Bend plant – Size: 5.305 x 1.600 mm; 12 t – Minnesota, USA

WASTE HEAT BOILER PACKAGE (THERMAL REACTOR + WHB + SD WITH RISERS & DOWNCOMERS) IN SA 516 GR.60 / SA 210 GR.A1 - SIZE: 3.200 X 22.500 AT MIDOR REFINERY EXPANSION, EGYPT

WASTE HEAT BOILER PACKAGE (THERMAL REACTOR + WHB + SD WITH RISERS & DOWNCOMERS) IN SA 516 GR.60 / SA 210 GR.A1 - SIZE: 3.200 X 22.500 AT MIDOR REFINERY EXPANSION, EGYPT

WASTE HEAT BOILER PACKAGE (THERMAL REACTOR + WHB + SD WITH RISERS & DOWNCOMERS) IN SA 516 GR.60 / SA 210 GR.A1 - SIZE: 3.200 X 22.500 AT MIDOR REFINERY EXPANSION, EGYPT

Pressure Vessel in SA 387M Gr.11 Cl.1 / SA 182M F.11 Cl.2 – Size: 15.430 x 3.070 mm; 85 t; Korea

Pressure Vessel in SA 387M Gr.11 Cl.1 / SA 182M F.11 Cl.2 – Size: 15.430 x 3.070 mm; 85 t; Korea

Pressure Vessel in SA 387M Gr.11 Cl.1 / SA 182M F.11 Cl.2 – Size: 15.430 x 3.070 mm; 85 t; Korea

Reformer (TPR) in SA 387 M Gr. 11 Cl. 2 / SA 965-F 304 L / Alloy 800 H aluminised at Haldia plant – Size: 19.000 x 2.470 mm; 148 t – India (Insertion Test of Tube Bundle).

Reformer (TPR) in SA 387 M Gr. 11 Cl. 2 / SA 965-F 304 L / Alloy 800 H aluminised at Haldia plant – Size: 19.000 x 2.470 mm; 148 t – India (Insertion Test of Tube Bundle).

Reformer (TPR) in SA 387 M Gr. 11 Cl. 2 / SA 965-F 304 L / Alloy 800 H aluminised at Haldia plant – Size: 19.000 x 2.470 mm; 148 t – India (Insertion Test of Tube Bundle).

PRESSURE VESSEL IN SA 240 TYPE 304 / 304L / SA 516 GR. 70 - SIZE: 5900 X 35100 AT NESTE EXPANSION PROJECT, SINGAPORE

PRESSURE VESSEL IN SA 240 TYPE 304 / 304L / SA 516 GR. 70 - SIZE: 5900 X 35100 AT NESTE EXPANSION PROJECT, SINGAPORE

PRESSURE VESSEL IN SA 240 TYPE 304 / 304L / SA 516 GR. 70 - SIZE: 5900 X 35100 AT NESTE EXPANSION PROJECT, SINGAPORE

PGB IN SA 387 GR.11 CI.2 / SA 387 GR.22 CI.2 / SA 516 GR.70 / SA 213 T11 - SIZE: 1.235 X 11.610 AT NESTE EXPANSION PROJECT, SINGAPORE

PGB IN SA 387 GR.11 CI.2 / SA 387 GR.22 CI.2 / SA 516 GR.70 / SA 213 T11 - SIZE: 1.235 X 11.610 AT NESTE EXPANSION PROJECT, SINGAPORE

PGB IN SA 387 GR.11 CI.2 / SA 387 GR.22 CI.2 / SA 516 GR.70 / SA 213 T11 - SIZE: 1.235 X 11.610 AT NESTE EXPANSION PROJECT, SINGAPORE

Steam Superheater in SA 387 Gr.11 Cl.2, SA 182 M Gr.11 Cl.2 at Gubakha plant – Size: 3.500 x 1.064 mm; 19 t; Perm, Russia

Steam Superheater in SA 387 Gr.11 Cl.2, SA 182 M Gr.11 Cl.2 at Gubakha plant – Size: 3.500 x 1.064 mm; 19 t; Perm, Russia

Steam Superheater in SA 387 Gr.11 Cl.2, SA 182 M Gr.11 Cl.2 at Gubakha plant – Size: 3.500 x 1.064 mm; 19 t; Perm, Russia

REACTOR WITH INTERNAL SHROUD IN SA 387 GR.11 CI.2 / SA 240 TYPE 304 - SIZE: 3.896 X 3.195 AT ROTTERDAM, NETHERLANDS

REACTOR WITH INTERNAL SHROUD IN SA 387 GR.11 CI.2 / SA 240 TYPE 304 - SIZE: 3.896 X 3.195 AT ROTTERDAM, NETHERLANDS

REACTOR WITH INTERNAL SHROUD IN SA 387 GR.11 CI.2 / SA 240 TYPE 304 - SIZE: 3.896 X 3.195 AT ROTTERDAM, NETHERLANDS

PREFLASH COLUMN IN SA 516 GR.60 + CLAD SS 410 / SA 516 GR.60 / SA 516 GR.60 + CLAD INCONEL 625 - SIZE: 3.594 X 36.106 AT DAKAR PLANT, SENEGAL

PREFLASH COLUMN IN SA 516 GR.60 + CLAD SS 410 / SA 516 GR.60 / SA 516 GR.60 + CLAD INCONEL 625 - SIZE: 3.594 X 36.106 AT DAKAR PLANT, SENEGAL

PREFLASH COLUMN IN SA 516 GR.60 + CLAD SS 410 / SA 516 GR.60 / SA 516 GR.60 + CLAD INCONEL 625 - SIZE: 3.594 X 36.106 AT DAKAR PLANT, SENEGAL

PROCESS GAS EXCHANGER IN SA 387 GR.11 CI.2 / SA 516 GR.70 / SA 213 T22 AT ATYRAU OIL REFINERY, KAZAKHSTAN

PROCESS GAS EXCHANGER IN SA 387 GR.11 CI.2 / SA 516 GR.70 / SA 213 T22 AT ATYRAU OIL REFINERY, KAZAKHSTAN

PROCESS GAS EXCHANGER IN SA 387 GR.11 CI.2 / SA 516 GR.70 / SA 213 T22 AT ATYRAU OIL REFINERY, KAZAKHSTAN

Secondary Reformer in SA 387 M Gr. 11 Cl. 2 / Incoloy 800 HT at Ammonia plant – Size: 14.098 x 3.900 mm; 45 t; Arzew, Algeria

Secondary Reformer in SA 387 M Gr. 11 Cl. 2 / Incoloy 800 HT at Ammonia plant – Size: 14.098 x 3.900 mm; 45 t; Arzew, Algeria

Secondary Reformer in SA 387 M Gr. 11 Cl. 2 / Incoloy 800 HT at Ammonia plant – Size: 14.098 x 3.900 mm; 45 t; Arzew, Algeria