Gas pressure regulators with filter and safety shut-off valve
The RS type is a regulator for gas pipelines according to EN 88. It is equipped with a safety shut off valve that blocks gas flow in the event of outlet pressure being too low or too high. In the RFS type, a filter according to DIN3386 is present. This device is suitable for supplying clean gas at stable pressure to all the devices downstream and protecting them against excess pressure
Features :
- The regulators are made of aluminum alloy die-cast and they are available with inlet/outlet connections from ¾” to 2”.
- The regulators are equipped with adjustable springs, so outlet, maximum and minimum pressures can be set on-site in a very precise way.
- The safety shut-off valve and regulator are independent, in this way regulating action can not hinder safety function.
- A metallic mesh is present in RS with the scope of preventing serious damage to the moving parts due to dirt circulating in the pipeline (filtration grade <1mm). RFS is equipped with a filter element with a very high holding capacity for dust and impurities (filtration grade<30μm).
- The filter structure consists of a steel support frame covered with a double-layer high-performance nonwoven made of polyolefine fibers. Thanks to that, moving parts of a regulator and other devices downstream are fully protected.
- The regulators are equipped with a working and safety diaphragm, hence it is not necessary to connect outside the vent line.
- The closing plate is balanced with compensating diaphragm so that variation in inlet pressure does not cause any variation in outlet pressure.
- The impulse line is integrated into the regulator. Special versions with external impulse lines are available on request.
- Pipe connections meet group 2.
- R - RF regulators have been designed to generate low-pressure drops with high flow.
- The governors can lock up when there is no flow.
- Suitable for use with air and non-aggressive gases included in the 1, 2, and 3 families (EN 437).
- Provided with G1/8 pressure test points on one side in the inlet (after the filter cartridge) and outlet chamber to connect manometers, pressure switches, or other gas equipment.
- All components are designed to withstand any mechanical, chemical, and thermal conditions occurring during typical service.
- Effective impregnation and surface treatments have been used to improve mechanical sturdiness, sealing, and resistance to corrosion of the components.
- Regulators are 100% tested and fully warranted.
Specification :
Connections |
Gas threaded f/f ISO 7-1 from Rp3/4 to Rp2 |
Ambient temperature |
-15°C ... +60°C |
Inlet-Outlet pressure |
RS or RFS models |
Max testing pressure |
Max 750 mbar (RS or RFS models) |
Max testing pressure M |
Max 750 mbar at the inlet chamber – max 200 mbar at the air
control chamber |
Flow capacity |
See Datasheet |
Filtration grade |
with metallic filter <1mm |
Installation |
Horizontal (with settable spring upward) or vertical
pipeline. |
Gas type |
Natural gas, town gas, LPG (gaseous) of families 1,2,3
(EN437). |
Materials in contact with a gas |
Aluminum alloy, Brass, Stainless steel, plated steel,
Polyamide, |
Download Datasheet: Delta Elektrogas RFS Gas Pressure Regulator
For more Info and Price please contact: sales@wmablog.com
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