PIETRO FIORENTINI
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Direct Operated Regulator
Trias
Medium-Low Pressure Gas Regulator
A direct-operated gas pressure regulator with diaphragm control and spring action, designed for filtered non-corrosive gases in natural gas distribution networks. Classified as "Fail Open" per EN 334.
Fail Open
Up to 19.2 bar
High Accuracy
Technical Specifications
Performance
Accuracy Class (AC)Up to 5
Lock-up Pressure Class (SG)Up to 100
Downstream Pressure (Wd)15 to 4000 mbar
Inlet Pressure (bpu)0.2 to 18 bar
Construction
Design PressureUp to 19.2 bar
Operating Temperature-20°C to +60°C
Nominal Sizes1-1/2″, 2″
ConnectionsClass 150 RF per ASME B16.5; PN 16 per ISO 7005
Fail ModeFail Open (EN 334)
Applications
Gas Distribution LP
Gas Distribution MP
District Stations
Commercial Users
Gas Networks
Residential Users
Key Features
Diaphragm Control
Spring action for precise pressure regulation.
High Accuracy
Accuracy class up to 5 for precise control.
Configuration Options
Slam shut, double lock, and monitor variants.
Wide Pressure Range
Downstream from 15 to 4000 mbar.
Downloads
Technical documentation and resources
Pilot Operated
Aperflux 851
Pilot operated regulator for high-medium pressure applications.
View Details
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