SINCE 1951

1951 - ESTABILISHING IN MILAN

Founded in 1951, AST S.p.A. is the first Italian Company manufacturing
spring loaded safety relief valves. Ever since its establishment, AST S.p.A.
has been focusing on the manufacturing of engineered products made in
accordance with a variety of standards out of various exotic materials.
Products: Safety Relief Valves, Changeover Valves, Vacuum Release Valves

1961 - MOVE TO NEW LOCATION CORNAREDO MILAN

During its history, a variety of different
engineered products has been added
so as to allow AST S.p.A. to reach its
leading position as a manufacturer
of special valves dedicated to Industry.
Continued growth has been achieved
through thedevelopment of new valve
technologies, which has allowed
AST S.p.A. to get worldwide visibility.

1970 - NEW PRODUCTS

AST S.p.A. target is to keep on developing custom and niche products according to customer specific
requirements, and to serve the energy market supported by excellent engineering skills in the field of
Refining, Petrochemical, Power Generation, Off- and Onshore installation, Sub-sea, Oil & Gas industries.

Products: Control Valves, Cage Control Valves, Special Control Valves for Melamine and Urea plants

1973 - ast s.r.l.

ast s.r.l., member of AST group, has been active since 1973
in the domestic and international market of process automation system BMS and safety systems
fire & gas detection fire-fighting systems, heat tracing systems alarm annunciator systems flame control
and remote measure and control for energy production petrol-chemical plants and transports.
A flexible company with its own dedicated onsite support staff for commissioning and start-up of equipment.

1999 - STEAM APPLICATION SAFETY RELIEF VALVES

AST S.p.a. keeps on expanding its
safety relief valve product range
by developing and designing
safety relief valves dedicated to
steam service according to
ASME Section I standard.

Products: Steam application Safety Relief Valves

2003 - PILOT OPERATED SAFETY VALVES

The ultimate update and completion of its safety relief valve range
has been achieved by AST S.p.A. through the development and design
of pilot operated safety valves.
This has allowed AST S.p.A. to be one of the major companies
providing customers with a wide valve range.
Not to forget all the special valves, such as safety and control globe
valves dedicated to Ammonia, Urea and Melamine application
which are not manufactured by most of our major competitors.

Product: Pilot Operated Safety Valves

2006 - ON-OFF BALL/GATE VALVES AND ROTARY CONTROL VALVES

AST S.p.A. commitment to extend
its product range leads the company
to start the manufacturing of pipeline
ball and gate valves according
to API 6D, API 6A, API 17D, API 6DSS.
Its product range is so widethat
allows AST S.p.A. to compete against
the major international holding groups.

Product: On-Off Valves, Ball Valves, Gate Valves, Control Ball Valves

2007 - MOVING TO NEW FACILITY

AST S.p.A. new facility allows
the company to expand its
production capacityand to give
a better support to end users
thanks to the several equipments
dedicated to RD department.
The advantages are further
technological improvement
through RD and bigger
modern facility.

2012 HIT AS SPECIAL AST’S BALL AND GATE VALVES BRAND.

December 2011 is a milestone for a further change and achievement of AST S.p.a. Group
which undergoes a business reorganization plan.
The Group reorganization will result into the establishment of HIT Valve S.p.a.
HIT Valve S.p.a. will be in charge of all the activities related to the production
of on/off ball, gate and rotary control valves.