SINCE 1950 | TRIESTE, ITALY
Large valves for the world’s most demanding plants.
Steel gate, globe, check and rising stem ball valves — engineered and built to fit the exacting demands of the petroleum, chemical and power industries.

The largest wedge gate valve ever manufactured — 114 inches, 2025
1950
FOUNDED IN TRIESTE
75
YEARS OF VALVE ENGINEERING
4
SITES – ITALY, UAE, KSA
114″
WORLD RECORD CLASS
Guinness World Records® title holder
The largest wedge gate
valve ever manufactured.
In 2025, in its 75th anniversary year, Orion entered the Guinness World Records book with the successful completion of a wedge gate valve in the 114-inch classification — a milestone in scale, machining and testing.
114″
VALVE CLASSIFICATION
2025
RECORD AWARDED

PRODUCT RANGE
Eight families, one
engineering standard.
Cast and forged steel valves in sizes and classes built around the plant, not the catalogue — each family available in special execution for corrosive, cryogenic and lethal service.

CAPABILITIES
Manufacturing and servicing, under one roof.
High volume transfer machines, NC lathes, milling and drilling, heat treatment and a tool-making shop, complemented by framework agreements with prime foundries. Design runs on SOLIDWORKS with COSMOS finite element analysis.
01
Machining & assembly
02
Heat treatment & material control
03
Testing, inspection & fugitive emission
04
Servicing facilities & field support
SPECIAL FEATURES
Where standard
catalogues stop.
-196 °C
Cryogenic
valves
Materials selected for low temperature service and an extended bonnet design that keeps the stem packing clear of cryogenic fluid.
New line
Nuclear
valves
A dedicated line for nuclear service, qualified against the sector’s design, traceability and documentation regimes.
Orion HIIPS
Control & safety systems
High Integrity Pressure Protection and control packages, engineered with the valve rather than bolted onto it.
THE GROUP
Built in Trieste,
supplied worldwide.
A world market distribution network serving engineering contractors and end users, with manufacturing and service sites across three countries.
Trieste, Italy
Headquarters & plant
Trieste — Orion HIPPS
Safety systems
Dubai, UAE
Starting up
Saudi Arabia
Starting up

News & events
CAREERS
Valves this size are built by
people, not machines alone.
Welders, machinists, designers and quality engineers — Orion hires in Trieste and across the group.


