Norval Medium-Low Pressure Gas Regulator - Pietro Fiorentini Saudi Arabia H2 Ready
Direct Operated Regulator

Norval

Medium-Low Pressure Gas Regulator

A direct-operated gas pressure regulator designed for filtered gaseous fluids in medium and low pressure natural gas distribution networks. Classified as Fail Open per EN 334. Hydrogen Ready for NG-H2 blending applications with a dedicated 100% hydrogen version (Norval H) available. Multiple configurations including monitor, upside-down, silencer, and slam-shut options.

H2 Ready
Up to 18.9 bar
1″ - 8″

Technical Specifications

Performance
Inlet Pressure (up to 3″)0.1 to 18.9 bar
Inlet Pressure (4″, 6″, 8″)0.1 to 8.6 bar
Downstream Pressure (up to 4″)0.008 to 4.4 bar
Downstream Pressure (6″, 8″)0.012 to 1.8 bar
Accuracy Class (AC)Up to 5 | Up to 1% absolute
Lock-up Pressure Class (SG)Up to 10
Construction
Design PressureUp to 18.9 bar
Operating Temperature-20°C to +60°C
Nominal Sizes1″, 1½″, 2″, 2½″, 3″, 4″, 6″, 8″
ConnectionsClass 150 RF per ASME B16.5; PN 16 per ISO 7005
Fail ModeFail Open (EN 334)

Applications

Gas Distribution MP
Gas Distribution LP
District Stations
Medium/Small Industry
Gas Engines
Regasification
NG-H2 Blending
Commercial Users

Key Features

Hydrogen Ready

Hydrogen-compatible variant available with dedicated 100% H2 version (Norval H).

Wide Size Range

Available from 1″ to 8″ for diverse application requirements.

Multiple Configurations

Monitor, upside-down, silencer, and slam-shut options available.

High Accuracy

Up to 1% absolute accuracy for precise pressure regulation.

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