RR 931 E



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  • RTG 931 EA

CONTROL VALVES

Pressure control valve

RR 931 E

MAIN CHARACTERISTICS of
Pressure control valve RR 931 E

RR 931 throttle control valve allows adequate reduction and regulation of flow rate of natural gases and LPG. RR 931 operation is based on gas throttling by reducing the valve passageway. The throttle control valves are intended to be used in industrial equipment, in natural gas transportation and distribution systems. RR throttle control valve can be equipped with manual/ pneumatic or electric actuator. Various accessories can also be provided: position indicators, remote controls, etc.

CE certificate according to PED 97/23/EC

MODEL RR 931 E • RR 931 EA • RR 931 EP • RR 931 EPA
TECHNICAL CHARACTERISTICS Maximum allowable pressure: 50, 100 bar
Inlet pressure range: up to 100 bar
Bore: full
Operation mode: electrical/manual/pneumatic
Actuator: AUMA, BIFFI
Voltage: 230V, 50 Hz / 400V, 50 Hz
Explosion protection: Ex ed II C T4
Adjusting time: 60 ÷ 700 s
Valve position indicator: 4 ÷ 20 mA signal
Pressure control
Flow control
CONSTRUCTIVE  CHARACTERISTICS RR 931 E - normal design control valve with electric actuator
RR 931 EA - axial design control valve with electric actuator
RR 931 EP - normal design control valve with electric-pneumatic actuator
RR 931 EPA - axial design control valve with electric-pneumatic actuator
CONNECTION TYPE Equal flanges: flanges according to standards ISO 7005-1; ASME B 16.5; EN 1092-1
Nominal diameter: DN 25 ÷ DN 800
OPTIONAL ACCESSORIES Incorporated silencer (AM)
Opening indicator
OPERATING  CONDITIONS Ambient temperature: -30°C ÷ +80°C
Working fluid temperature: -20°C ÷ +60°C
WORKING MEDIUM Natural gas and other non-corrosive gases

MORE INFORMATION
Pressure control valve RR 931 E

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