Gasolec - Automatic Gas Pressure Regulators
From Infrared Heating - Gas Pressure Regulators
Here a 0-10Vdc control signal from the climate controller plus a 24V power supply go to the GPC 300 series gas pressure control unit. The GPC unit is a continuous gas pressure control unit that changes the gas pressure and thereby the heating output gradually. At the same time, these gradual pressure changes don’t lead to interruptions by gas-hose-leakage detectors where gas leakage would be noticed.
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Product Details
- Can be connected to climate controller
- Unit equipped with manual control option as emergency solution for power interruptions
- Changes in room temperature go very slowly
- No problems with uncalled for interruptions in the gas supply by gas-hose-leakage-detectors
- More expensive than a High-Low unit
- Higher gas consumption
Automatic Regulation with fixed gas pressure – ON/OFF
All G12 heaters operate in principle on 28mBar. Usually the gas pressure to these heaters is set at 30mBar which allows a 2mBar gas pressure drop over the gas hose.
The G12 Asco is automatically controlled with an ON/OFF signal from the climate controller, similar to working with a High/Low Regulator only the minimum and maximum are not adjustable. The G12E actually operates at Maximum or it is Off.
The G12 Maxi works with a fixed gas pressure and a Capillary Thermostat that is manually set and that controls the heat output automatically. This model is popular in areas with electricity supply problems and in poultry houses with big differences in temperature in the same building.
Some customers prefer a central gas pressure regulator with a 30mBar output which they source locally. At Gasolec we recommend working with a 400+mBar gas pressure in the gas lines and to use a gas pressure regulator set at 30mBar with each heater. This individual gas pressure regulator PR30 is intended to absorb pressure fluctuations in the gas line when groups of heaters are either switched ON or OFF AND by working with 400+mBar in the main line, one can work with smaller diameter gas lines (= cheaper and less heavy!).
Determining the Size of the Gas Pressure Regulator
To produce 1kW/h one needs 72gram of propane/LPG. This leads to:
S8, capacity 3.5kW -> 252gr/h at full capacity
M8, Capacity 5kW -> 360 gr/h at full capacity
For example – using the Gasolec Heaters and the Gasolec Gas Pressure Regulating units:
- A Broiler House equipped with 15x S8 means a maximum Gas Consumption of 3.78 Kg/h => it needs a gas pressure regulator with at least a 4kg/h capacity.
- A Broiler House equipped with 30x M8 operating in one group means a maximum Gas Consumption of 10.8 Kg/h => it needs a gas pressure regulator with at least a 12kg/h capacity.
With Natural Gas the situation is quite different as usually the inlet gas pressure is much lower => the capacity of the gas pressure regulators is much less. Please check your options with your supplier or with Gasolec.
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