Founded 70 years ago, Pietro Fiorentini has become a recognized full line worldwide supplier of pressure regulators for the natural gas industry. The company operates 11 manufacturing plants worldwide and employees in excess of 750 people worldwide. Pietro Fiorentini is supported in the United States by their master distributor Equipment and Controls located in Norcross, Georgia.
Pietro Fiorentini offers three main categories of pressure regulators which are direct acting spring loaded regulators, top entry flexible element pilot operated and metallic plug and seat style “loading” style pilot operated regulators.
Dival Group and Norval Direct Acting Regulators Dival and Norval regulators are available in 1”-8” sizes in ANSI 150# rating in ductile iron and LCC steel body configurations with available outlet pressure ranges from 3-4”W.C -64 psig. Suitable applications would include commercial and industrial loads, compressor fuel gas, auxiliary gas feed, fast acting grain dryer and boiler feeds as well a district regulator settings. The Dival and Norval offering features balanced plug & diaphragm design which offers the following features:
Aperval and Aperflux Pilot Operated Top Entry Flexible Element Regulators The Aperval and Aperflux top entry regulators are available in 1”-10” sizes in ANSI 150# -900# rating in ductile iron and LCC steel body configurations with available outlet pressure ranges from 3-4”W.C -1054 psig. These regulators can be configured with patented noise silencer and optional high and low pressure slam shut module. Suitable applications would include commercial and industrial, city gate stations, compressor fuel gas as well a district regulator settings. The Aperval and Aperflux offering features:
Reflux and Reval Pilot Operated Plug and Seat Style Regulators The Reflux and Reval regulators are available in 1”-10” sizes in ANSI 150# -600# rating in LCC steel body configurations with available outlet pressure ranges from 4”W.C -1073 psig. These regulator models feature a true “spring assist” and can be purchased in a true fail open (FO) or fail closed (FC) design. Due to the modular design this offering can be configured with patented noise silencer and optional high and low pressure slam shut module. Suitable applications would include power plant feeds, city gate stations, compressor fuel gas as well a district regulator settings. The Reval and Reflux offer superior durability for high pressure high volume pressure control applications where reliably and durability are paramount.
The Reflux and Reval regulator offering features:
HBC-782 and SCN Slam Shut Safety Valves The HBC and SCN slam shut valves are available in 1”-10” sizes in ANSI 150# -600# rating in ductile Iron and LCC steel body configurations with available set points pressure ranges from 4”W.C -1400 psig. These slam shut models feature a true “spring assist fail closed design”. Suitable applications would include shale gas MAOP protection, pipeline MAOP protection, power plant feeds, city gate stations, compressor fuel gas as well a district regulator settings. The HBC and SCN slam shut valves offer superior durability for high and low pressure safety control applications where reliably and durability are paramount.
The HBC and SCN slam shut valves feature the following:
SCN Slam Shut
HBC-782 Slam Shut
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