PIETRO FIORENTINI
Energy for a better life
H2 Ready
Direct Operated Regulator
Dival 500
Medium-Low Pressure Gas Regulator
A direct-operated gas pressure regulator that functions through diaphragm control and spring mechanisms. Designed for filtered gaseous applications in medium and low pressure natural gas distribution networks. Hydrogen-ready for NG-H2 blending.
H2 Ready
Up to 20 bar
Fail Open
Technical Specifications
Performance
Accuracy Class (AC)Up to 10 | Up to 1% absolute
Lock-up Pressure Class (SG)Up to 20
Inlet Pressure (bpu)(Pd + 0.1) to 10/20 bar
Outlet Pressure (Wd)13-100 (BP), 100-300 (MP), 300-2500 mbar (TR)
Min. Differential Pressure0.1 bar
Construction
Design PressureUp to 10 bar (BP), Up to 20 bar (MP/TR)
Operating Temperature-20°C to +60°C
Nominal Sizes1″ x 1″, 1″ x 1-1/2″
VersionsBP, MP, TR
Fail ModeFail Open (EN 334)
Applications
Gas Distribution MP
Gas Distribution LP
District Stations
Commercial Users
Medium/Small Industry
NG-H2 Blending
Key Features
Hydrogen Ready
Certified for NG-H2 blending applications.
Multiple Versions
BP, MP, and TR pressure class options.
Configurable Slam-Shut
Optional slam-shut configuration available.
Fail Open Safety
EN 334 compliant fail-open operation.
Downloads
Technical documentation and resources
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