SAFETY SHUT-OFF GAS VALVES
Safety shut-off gas valve is a device designed for automatic cutoff of the gas supply in case of pressure boost above requested actuation value.
FIELD OF APPLICATION and OPERATING PRINCIPLE:
Safety shut-off valve is usually installed in gas distributing plants and units in front of the pressure regulator-stabilizer and provides control of the output pressure received behind the regulator. The signal about the deviation of the gas pressure from the set value is sent to the safety shut-off valve through the impulse tube connected to the output pressure gas pipeline. The value of the monitored pressure is adjusted by regulating the spring in the safety shut-off valve. When the set value of pressure behind the regulator is exceeded, the safety shut-off valve closes and shuts off the gas supply in the pipeline. The valve can only be opened manually after eliminating the cause of gas pressure excess above the controlled one.
MAXIMUM INPUT PRESSURE:
- up to 6 bar.
ADJUSTMENT RANGE OF CONTROLLED PRESSURE:
- 60-230 mbar;
- 200-440 mbar;
- 420-700 mbar.
Upon individual request: manufacture with different adjustment range.
DIAMETER NOMINAL and HOUSING VERSION:
Coupling DN 15÷50
Flange DN 15÷200
HOUSING MATERIAL:
- aluminum;
- steel.
CLIMATIC VERSION:
- -30…+60 °С;
- -40…+60 °С.
AMBIENT TEMPERATURE:
- from -30 up to +70 °С.
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If you need help selecting necessary equipment, please visit our web-site www.termobrest.ru or contact our specialists by e-mail info@termobrest.ru or by phone:
+375 (162) 53-64-13 (technical consultation line);
+375 (162) 53-64-76 (sales and logistics department).
SOLENOID SAFETY GAS VALVES BLOCK UNIT
Solenoid safety gas valves block unit is a set of solenoid safety gas valves and other gas fittings unit assembled into a single gas train (gas filter, pressure regulator-stabilizer, safety relief gas valve, safety shut-off gas valve, pressure switch, etc.) and motorized gas valve
Motorized gas valve included in the unit controls the gas supply to the gas burner and regulates the gas flow rate.
Upon customer's request, the valve block can be manufactured complete with additional automation devices (pressure switches, position indicators of valves), as well as in general industrial and waterproof versions.
The gas block can be designed according to the scheme, which provides the possibility to check the tightness of the valves included in the block before ignition of the burner.
FLOW CONTROL RANGE:
- 0.05 to 100 % of nominal.
TYPE OF REGULATION:
- proportional;
- position control;
- manual regulation.
DIAMETER NOMINAL:
- DN 15÷300.
HOUSING MATERIAL:
- steel: DN 15÷300;
- iron cast: DN-150, DN-200;
- aluminum: DN 15÷200.
CLIMATIC VERSION:
- -30…+60 °С – installation in irregularly heated rooms;
- -45…+60 °С – installation under roof;
- -60…+60 °С – installation under roof;
- -60…+60 °С – outdoor installation.
AMBIENT OPERATING TEMPERATURE:
All solenoid safety gas valves block units manufactured by TERMOBREST are supplied in a version with ambient operating temperature from -60 up to +70 ° C.
Upon customer’s individual request, solenoid safety gas valves block units can be manufactured with ambient operating temperature from -45 up to +120 ° C.
Upon customer’s individual request, the valves block units with the read-off position indicators can be manufactured with ambient operating temperature from -45 up to +90 ° C (the upper range is limited by the permissible operating limit (range) of the read-off position indicator).
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If you need help to select necessary equipment, you should visit our web-site or contact our specialists by e-mail info@termobrest.ru or by phone:
+375 (162) 53-64-13 (technical consultation line);
+375 (162) 53-64-76 (sales and logistics department).