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A/140 Series
Spring-Loaded Pressure Reducing Regulators


TARTARINI tartarini emerson

Construction and performance features
make the A/140 Series spring-loaded
regulators the ideal choice in applications
involving sudden changes in capacity, or
where the gas shutoff is solenoid-controlled
as with domestic or industrial burners.
The A/140 Series is in conformity with
the Pressure Equipment Directive
PED 2014/68/UE and is classifed under
Category IV maximum.
Available Configurations
Type A/142:
Type A/142-AP:
High Pressure Regulator
Type A/149:
Regulator + Shutoff
Type A/149-AP:
High Pressure Regulator + Shutoff
Body Size and End Style Connection
DN 50 PN 16 (NPS 2)
Inlet Pressure
Body Allowable Pressure: Up to 20 bar
Maximum Operating Pressure: 300 mbar
Maximum Inlet Pressure: 6 bar
Inlet Pressure Range: 0.1 to 6 bar
Outlet Pressure Range
10 to 300 mbar
Accuracy Class
Up to ±5%
Lock-Up Pressure Class
Up to 10%
Orifice Size
• Counterbalanced Valve
• Built-in Relief Valve
• Overpressure and
Underpressure Shutoff
• Manual Reset
• Inlet and Outlet In-Line
TYPE A/142
TYPE A/149
Built-in Shutoff Valve
Independent Pneumatic Control
Accuracy Group: ±5%
Response Time: <1 s
Temperature Capabilities
Standard Version:
Working: -10° to 60°C
Low Temperature Version:
Working: -20° to 60°C
Approximate Weights
Type A/142, A/142-AP: 19 kg
Type A/149, A/149-AP: 20 kg
For full details consult the documentation available on our website:


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