PIETRO FIORENTINI
Energy for a better life
Direct Operated Regulator
Staflux 185
High-Medium Pressure Gas Regulator
A direct-operated gas pressure regulator controlled by diaphragm with counter pressure action. Particularly suitable for high-pressure transmission systems and medium pressure natural gas distribution networks. Classified as Fail Open per EN 334.
Fail Open
Up to 100 bar
Counter Pressure
Technical Specifications
Performance
Accuracy Class (AC)Up to 5
Lock-up Pressure Class (SG)Up to 10
Downstream Pressure (Wd)1 to 75 bar
Inlet Pressure (bpu)2 to 85 bar
Construction
Design PressureUp to 100 bar
Operating Temperature-20°C to +60°C
Nominal Sizes1″, 2″, 3″
ConnectionsClass 300 and 600 RF or RTJ per ASME B16.5
Operation TypeDirect Operated, Fail Open
Applications
Gas Transmission HP
Gas Distribution MP
Compressor Stations
City Gates
Gas Storage
Power Generation
Heavy Industry
LNG Regasification
Key Features
Diaphragm Control
Counter pressure action for precise regulation.
Wide Pressure Range
Downstream pressure from 1 to 75 bar.
Fail Open Safety
EN 334 compliant fail-open operation.
Multiple Configurations
Various configuration options available.
Downloads
Technical documentation and resources
Pilot Operated
Aperflux 851
Pilot operated regulator for high-medium pressure applications.
View Details
Need More Information?
Our technical team is ready to help you select the right regulator for your application.