Expansion of the factory in Brazil with establishment of the company’s own stainless steel foundry for precision casting.
Patent is issued for the double cardan joint for drive mountings.
Expansion of the incoming goods inspection with x-ray gun for faultless metal analysis.
Introduction of the CFD flow simulation analysis for the optimisation of control valves.
Founding of AZ Armaturen Trading Co., Ltd. in Shanghai, China in July.
16” and 20” plug valves with full bore design are supplied for a project in Poland.
Utility model protection for equipment valve for safe flushing of pipe systems.
AZ continues on its expansion course: The subsidiary AZ Armaturen Asia (Pte) Ltd. is formed in Singapore in February.
This is followed in December by AZ Armaturen Italia Ltd. Caltignaga/Italy.
Founding of AZ Armaturen do Brasil Ltda. in September in São Paulo. Initial production is done in rented buildings in Itatiba.
The relocation from Schonach to Mönchweiler to the new production and administration buildings is completed in March 1992.
Dipl.-Ing. Jörg Wisser, the son of the company’s founder, joins the company in April.
AZ is granted utility model protection for the sampling system SAMPLING.
AZ Valves (U.K.) Ltd. established in October
The dye penetration procedure, in accordance with DIN EN 571, becomes an integral component in the quality management.
Valves are sleeved with FEP to prevent aggressive media impacting on the high-quality material.
AZ is a pioneer with this process and initiates FEP sleeving in the transfer moulding process.
At the same time, the high-voltage porosity test is introduced for this new generation of valves.
The first ex-protected pneumatic drive is developed. The use of electrical servo drives is in decline in the chemical industry.
In an area of 65 m2, Gerhard Wisser starts to produce with three employees.
One of their first big customers is the Nuclear Research Centre in Karlsruhe, which orders hundreds of sleeve valves.
Dipl.-Ing. Gerhard Wisser founded the AZ Armaturen GmbH Company on 18.th October 1963 together with his former fellow student Dipl.-Ing. Gernold Buck.
First Products are designed by AZ and build by outside companies.