PIETRO FIORENTINI ASX 176, Translation Of Original Instructions

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ASX 176
Use, maintenance and warning instructions
HIGH PRESSURE REGULATOR | DESCRIPTION AND OPERATION | REV. 00
EN
4.4 - TECHNICAL FEATURES/PERFORMANCE
The ASX 176 equipment is a medium and high pressure axial type of regulator. The regulation system is balanced and
guarantees a stable outlet pressure even when the inlet pressure varies.
The main specifications for this regulator are:
Technical features
Maximum allowable pressure Up to 102 bar
Ambient temperature range
-10 °C to +60 °C (class 1)
-20 °C to +60 °C (class 2)
Inlet gas temperature range
-20 °C + 60 °C
Inlet pressure range (bpu)
0.8 - 100 bar
Possible regulation range (Wd) 0.3 - 74 bar (depending on the pilot installed)
Minimum differential pressure 0.5 bar
Accuracy class (AC) up to 1 (depending on operating conditions)
Shut-off pressure class (SG) up to 2.5 (depending on operating conditions)
Tab. 4.16.
Cg, Kg and K1 coefficients
Nominal diameter [mm] 25 50 80 100 150
Size [inches] 1” 2” 3” 4” 6”
Coefficient Cg 630 2300 5000 8800 19000
Kg coefficient 663 2420 5260 9258 19988
Coefficient K1 145 145 145 145 145
Tab. 4.17.