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SOLENOID VALVES
SPML valves are servo-operated main valves with screwed-on pilot solenoid valves. SPML valves use an external pressure source for opening (which means that no differential pressure across the SPML valve is required in order to maintain open state). This makes the valve especially suitable for low-pressure suction lines.
The SPML valves can be used in all types of refrigeration systems:
- Direct expansion
- Pump recirculation
- Natural circulation
Within their specified pressure and temperature ranges SPML valves can be used for fluorinated refrigerants (R 22, R 134a, R 404a, R 12, R 502, etc.) or ammonia(R 717)
SPML pilot-operated solenoid valves can be installed in:
- Suction lines
- Return lines (liquid/vapour)
- Pressure-equalising lines
- Bypass lines
AVAILABLE IN SIZES:
32 mm / 40 mm / 50 mm /65 mm / 80 mm /
100 mm and 125 mm
SOLENOID VALVES TYPE SPMLX, TWO-STEP ON/OFF
SPMLX are 2-step servo-controlled main valves with screwed-on pilot solenoid valves. SPMLX valves use an external pressure source for opening (which means that no differential pressure across the SPMLX valve is required).
SPMLX are used in suction lines for the opening against high differential pressure, e.g. after hot gas defrost in large industrial refrigeration systems with ammonia or fluorinated refrigerants. SPMLX, opens in two steps :
Step one opens to approx. 10% of the capacity, when the pilot solenoid valves are activated.
Step two opens automatically after the pressure differential across the valve reaches approximately 1.5 bar.
AVAILABLE IN SIZES:
32 mm / 40 mm / 50 mm /65 mm / 80 mm /
100 mm and 125 mm
