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Steel valves

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NEGRI FRATELLI S.R.L.

Italy

NEGRI FRATELLI has been manufacturing ball valves in stainless and carbon steel since 1960. Our ball valves are available in a large variety of models: monoblock, 3-pieces, wafer, split body, top entry and fully welded type.We are specialized in fully welded ball valves designed for natural gas distribution networks, which are available with a wide range of devices, such as stem extensions for underground service, vents, fixed and removable gear operators, etc.The NFG quality system and products are certified to the Standards UNI EN ISO 9001, API Q1/API 6D and to the Directives 97/23/CE (PED) and 94/9/CE (ATEX).
A.M.I.S. SRL

Italy

The company manufactures the ONDASTOP rubber membrane check valves for: civil and industrial plant engineering, aqueducts, hydroelectric power stations, water treatment plants and steel plants; AMISJET automatic air feeder units for autoclave systems; AMISYSTEM water pressurisation units for civil and industrial purposes; AMISFIRE water pressurisation units for fire prevention systems; quick relief valves for ducts and pumping stations.

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Steel valves

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