APQ S.A. R-120 HP, Quick Start Manual

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REPLACING THE REGULATING SPRING
Disassembly
Close gas inlet valve (V1) located at the inlet to the installation.
Close gas inlet valve (V3) located at the outlet to the regulator.
Open bleed key (V2), located at the outlet to the regulator, until the area is depressurised.
Remove the plastic cover (1) in order to access the regulating nut (2)
Use a 24 mm tube spanner to turn the nut (2) anticlockwise and remove it.
Remove the regulating spring.
Installation
Choose from the list below the most suitable regulating spring for the required outlet pressure.
Carry out the operations described under "disassembly" in reverse order. It should be borne in mind that only those
screws indicated in the table below should be fitted. The fitting of other springs could cause damage to the regulator.
TOOLS FOR MAINTAINING THE R-120.../B REGULATOR
Open-ended spanner
00 – 00 - 00
10 x 1.6 screwdriver
Tweezers
Hexagonal tube spanner
00 - 00 - 00
OUTLET PRESSURE ADJUSTMENT SPRINGS / VES
Wd (regulation) Wrv (differential with regard to Pd)
Version Spring code
Adjustment
fiel
d
in mbar
Version Spring code
Spring range
in mbar
R-120ES ZM3.00.000000 150 to 300 R-120ES ZM3.00.000000 000 a 000
R-120ES ZM3.00.000000 250 to 600 R-120ES ZM3.00.000000 000 to 000
R-120ES ZM3.00.000000 400 to 800 R-120HP ZM3.00.000000 000 to 000
R-120HP ZM3.00.000000 700 to 1800 R-120HP ZM3.00.000000 000 to 000
R-120HP ZM3.00.000000 1600 to 4000 R-120HP ZM3.00.000000 000 to 000
VIS MAXIMUM/MINIMUM ADJUSTMENT SPRINGS
Wdo (maximum)
Spring code
Adjustment field
in mbar
ZM3.00.000000 000 to 000
ZM3.00.000000 000 to 000
ZM3.00.000000 000 to 000
ZM3.00.000000 000 to 000
ZM3.00.000000 000 to 000
ZM3.00.000000 000 to 000
Wdu (minimum)
Spring code
Adjustment field
in mbar
ZM3.00.000000 000 to 000
ZM3.00.000000 000 to 000
ZM3.00.000000 000 to 000
ZM3.00.000000 000 to 000
APQ SA Crtra. Ripollet 51 P.Ind. Foinvasa T.0034 935 647 550 F.0034 935 647 211 E-mail apq@apq.cc website apq.cc
Technical Features
bpu 1÷20 bar (inlet pressure range)
Ps 20 bar (design pressure)
Pu 20 bar (maximum inlet pressure)
Wd (outlet pressure regulating
range)
R-120 ES 150 ÷ 800 mbar
R-120 HP 600 ÷ 4000 mbar
Wdo 300 ÷ 6000 mbar (maximum safety
range)
Wdo 100 ÷ 2500 mbar (minimum safety
range)
Wrv +10 ÷ +30% Pd (VES firing range)
Ac 20 % (degree of regulating pressure)
Sg 30 % máx. (degree of regulating
pressure)
T -20ºC ÷ 60ºC (operating temperature)
Inlet connection
1” Gas thread
Outlet connection 1” Gas thread
Connection layout Axial
Weight R-120 ES
2 – 2.5 kg
Weight R-120 HP 2.5 – 3 kg