History
1878 — establishing foundry and mechanical plant by German industrialist R. K. Grosch at Kamennoostrovsky prospect in Saint-Petersburg.
1887 — setting up production of pumps, pipes, fire cock by new plant owner – Lagensipen and Co trading house. Development of new production operation with foundry and machining workshops for manufacture of castings and fittings at new purchased areas and capacities.
1914 — arrangement of stock company of mechanical plants for production of fittings, machines and supply accessories of army and navy on the plant basis.
1914 — commencement of the plant operation for the State defense. Opening of “public” shop for production of ammunition wagons, flame guns, gunpowder cases, shells, sea mine bodies.
1921 — commencement of updated production of copper and iron casting: steel-casting foundry, iron foundry, reinforcement shop, mould-making shop and laboratory were constructed. Production of steel castings and fittings, damper valves, carburators, iron castings for tractors, large-size fittings for new building sites.
1939 — the plant became the main supplier of marine valves for shipbuilding industry of the USSR.
1946 — specialization in production of shut-off valves, damper valve, cocks with nominal inside diameter from 6 to 250 mm, nominal pressure from 0.5 to 40 atm at a temperature up to 300 °С. Principle of unification, type design practice, interchangeability of articles is taken as a basis at designing all processes and fittings.
1966 — development and series production of valves and automatic remote-controlled actuating mechanisms (ARCAM) for equipping new generation Navy and nuclear Navy ships.
1970-th- 80-th — in collaboration with Central Design Bureau of marine valves
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implementation of system development results in integrated mechanization and automatization of machine-building enterprises based on the type design practice for processes and application of group method for processing
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development of production of new alloys, weld deposits, product design
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implementation of modern methods for producing castings: investment casting using cold-hardening alloys, producing smelts of ferrous and nonferrous alloys in induction furnaces, hot forging, including titanium alloys
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carrying out of large volume of research and development works in cooperation with design and scientific research institutes of the country in the area of updating the marine valves and its reliability enhancement
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introduction of flexible variable continuous production line of standard part families, flexible manufacturing system
1990-th — development of articles production for gas facilities, power industry, municipal facilities
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enlargement of product range including import substitution
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development of brand new types and kinds of marine valves for ships under construction by Navy order
2008 — engineering reequipment of the enterprise production.