PF 400 Low Pressure Gas Regulator - Pietro Fiorentini Saudi Arabia
Low Pressure Governor

PF 400

Governor with Unbalanced Device for Burner Supply

A governor with unbalanced device designed for supply of burners and the distribution of natural gas at low pressure. Suitable for filtered, non-corrosive gases and mainly employed in distribution networks for residential users. CSA 6.22A ANSI Z21.80A approved for use in certified applications.

CSA Approved
Up to 4.5 bar
AC: 15

Technical Specifications

Performance
Accuracy Class (AC)15
Lock-up Pressure Class (SG)Up to 30
Downstream Pressure Range (Wd)6 to 35 mbar
Inlet Pressure Range (STD)34 to 138 mbar
Inlet Pressure Range (Dual Cut)207 to 689 mbar
Max. STD Version InletUp to 689 mbar
Construction
Design Pressure4.5 bar
Design Temperature-40°C to +60°C
Nominal Sizes1/2″, 3/8″
ConnectionsNPT per ANSI B1.20.1
CertificationsCSA 6.22A ANSI Z21.80A

Applications

Residential Distribution
Burner Supply
Low Pressure Gas Distribution
Distribution Networks
Filtered Non-Corrosive Gases

Key Features

CSA Approved

CSA 6.22A ANSI Z21.80A certified for use in certified applications.

Unbalanced Device

Governor with unbalanced device for reliable burner supply.

Multiple Versions

Available in STD and Dual Cut versions for different inlet pressure ranges.

Compact Design

Small sizes (1/2″ and 3/8″) for residential applications.

Filtered Gas Compatible

Suitable for filtered, non-corrosive gases.

Wide Temperature Range

Operates from -40°C to +60°C for various climates.

Downloads

Technical documentation and resources

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