PM PT
PRESSURE SWITCHES FOR WATER SYSTEM APPLICATIONS
L’original. The traditional and accessible solution for managing a pumping system. The high quality of the materials used, combined with a particular attention to safety aspects, have made it the most used pressure switch by the manufacturers of electric pumps all over the world.
Applications
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Features
• Pressure switches for booster sets.
• The switch automatically ensures the start and stop functions of the electric pump according to the set pressure values.
• Electric contacts: normally closed and made of brass alloy with Ag-Ni surfacing.
• NBR white membrane with insert in PA (nylon).
• ¼”F hydraulic connection made of galvanized steel.
• Tear resistant cable clamps.
• Terminal block with full insulated live parts.
Optionals – special arrangements
• Several available hydraulic connections.
• ¼" fix stainless steel connection flange and female revolving nut according to the Italian Ministerial Decree 174/04 (drinking water use).
• Customized settings.
• Transparent cover and graduated scale showing the cut-in pressure value.
• Cover with on/off button.
• Reinforced electric contacts up to 20A current.
• Protection degree IP 54.
• Version with electric cables for line and motor connection.
OTHER PRODUCTS
PMA12 PTA12
PMA12 PTA12
Features
Features and materials
COMPRESSED AIR
EMBODIED AIR-RELIEF VALVE
COMPACT
PS
PS
Features
• Series of pressure switches for control applications and supervision in different technological systems (fire fighting units, building machineries, systems for water treatment, etc).
• The pressure switch mechanically works per action of the pressure in the system and it doesn’t need any additional electrical power supply.
• SPDT contact (single pole double throw COM.-N.O.-N.C.).
• Membrane in NBR rubber with textile insert.
• Tear resistant cable clamps.
Features and materials
OEM APPLICATIONS
FIRE-FIGHTING
MULTIPURPOSE
PMR5 LPR5
PMR5 LPR5
Features
• Safety pressure switches for heating systems applications, PED certified.
• The devices automatically stop the heat generator when a pre-set water pressure limit is reached.
• Reset is exclusively manual by pressing the reset button after that the pressure has returned by 0.4 bar at least within the shutoff value.
• External graduated scale.
• Normally closed double electric contact (PMR5) or normally open contact (LPR5) in brass alloy with Ag-Ni coating.
• EPDM black membrane with insert in PA (nylon).
• Tear resistant cable clamps.
Features and materials
CENTRAL HEATING
FAIL-SAFE
APPROVED
PM5-3W
PM5-3W
Features
• Pressure switches for booster sets with integrated pressure gauge and 3 ways fitting.
• Easy and fast connection to the pump and to the pressure tank.
• Robust plastic fitting with reinforced steel ring replacing common brass fitting.
Features and materials
INNOVATIVE
HANDY
ROBUST AND COMPACT
