ASX 176/FO High-Medium Pressure Gas Regulator - Pietro Fiorentini Saudi Arabia
Pilot Operated Regulator

ASX 176/FO

High Pressure Gas Regulator - Fail Open

A pilot-operated pressure regulator designed for filtered and non-aggressive gaseous fluids in high-pressure transmission and medium-pressure distribution networks. Classified as Fail Open according to European Standard EN 334, providing enhanced safety for critical applications.

Up to 102 bar
Fail Open
AC up to 2.5

Technical Specifications

Performance
Accuracy Class (AC)Up to 2.5
Lock-up Pressure Class (SG)Up to 10
Downstream Pressure Range (Wd)1 to 74 bar
Inlet Pressure Range (bpu)3 to 100 bar
Min. Differential Pressure2 bar
Construction
Design PressureUp to 102 bar
Design Temperature-20°C to +60°C
Nominal Sizes1″, 2″, 3″, 4″, 6″
ConnectionsClass 300, 600 RF or RTJ per ASME B16.5
Fail ModeFail Open (EN 334)

Applications

High Pressure Transmission
Medium Pressure Distribution
Filtered Non-Corrosive Gases
Gas Networks
Industrial Applications
Critical Infrastructure

Key Features

Fail Open Safety

Classified as Fail Open per EN 334 for enhanced safety in critical applications.

High Pressure Capability

Handles design pressures up to 102 bar for transmission applications.

Excellent Accuracy

Achieves accuracy class up to 2.5 for precise pressure control.

Pilot Operated Design

Advanced pilot-operated control for stable regulation and excellent pressure control stability.

Filtered Gas Compatible

Suitable for previously filtered non-aggressive gaseous fluids.

Optional Configurations

Available with optional silencer and monitor configurations for enhanced functionality.

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