Via Aldo Moro 5 24030 Almenno San Bartolomeo ( Bergamo ) – Italy
13 Via Aldo Moro Lombardia 24030 IT

OMP has been operating since 1979 in precision mechanics industry, manufacturing  special and standard components for the Oil & Gas, Chemical- Hydrogen, Pumping, Industrial, Water, Pulp and Paper, Sub-Sea.

Mission: establish long-lasting customer relationships which allow us to improve in procedures and acquire new skills, providing high quality products and ensuring adequate dealing times.

Products: production of hi- precision mechanical components for the following valves:

  • Ball and globe
  • Hi pressure- Cryogenic and Diaphram
  • Swing and Dual Check
  • Choke and Gate
  • Double Block and Bleed
  • Butterfly
  • Hydraulic and Pneumatic actuators
  • Hipps

Dimensions: inhouse: 1/2 “-12″, external workshops: up to 32 ”


  • Cutting, turning, milling, drilling, tapping, grinding, lapping, EDM
  • Processing of materials: carbon steel, duplex and super-duplex steel, Monel, titanium, alluminium-bronze, special and exotic alloys
  • machining of components with welding overlay: F316, Stellite, Inconel 625, Incoloy 825
  • Complete supply of components with raw material certification 3.1 & 3.2
  • Riqualification 3.2 : destructive and non-destructive testing
  • Visual and dimensional report
  • heat and surface treatments
  • Coating , Cladding and welding overlay

Quality: ISO 9001 certified in the year 2016. Full traceability of each item from the origin by heat number.  Integrated management software – NDT testing, DP II level technician internally. Dimensional Inspection reports and surface finishing measurement.

Latest machine department interconnected 4.0:

  • MAZAK INTEGREX I400S, pickup spindle, 72 tool magazine, working dimensions: D.650×1500
  • DOOSAN NHM6300 horizontal machining center, pallet 650×650, U axis (D’Andrea head), working sizes: 1050/850/1000
  • DOOSAN NHM8000 horizontal machining center, 800×800 pallets, working sizes: 1400/1050/1200
  • DOOSAN PUMA V8300 vertical lathe, working dimensions: D.700×750
  • PUMA GT2600 horizontal lathe, working dimensions: D.400×650

Production capacity:

  • Stock: inhouse immediately available bars from diam. 10 to 350 mm
  • Cutting: bars and tubes up to diam.360mm
  • Turning: horizontal max. diam.300×700, vertical max. diam.1000×700
  • Milling: CAD-CAM 3/4 axis, over heads, boring and facing heads max 1000x1000x800
  • Grinding: flat max 1000×500 floor, round max D.300×600
  • Lapping: flat max 450x450x200
  • EDM: max 700x500x120 Wire
  • Post-processing: polishing sealing Ra up to 0.1, ultrasonic cleaning, pneumatic and laser marking
  • Heat treatments and surface coating: direct hardening and induction hardening, tempering, gas or salt bath or plasma nitriding with post oxidation .
  • Surface treatments: TCC tungsten carbide, HVOF, PTFE, silver plating, ENP nickel plating, burnishing and phosphating, hard and decorative anodizing, acid pickling, passivation, painting, sandblasting.
  • Non-destructive testing: visual, magnetic, liquid penetrant, UT, overlay thickness measurement, PMI
  • Material testing: chemical analysis, hardness, resiliency, corrosion tests
  • Checking: 3D Dimensional max: 500x500x700, roughness, hardness