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Gas operated Solenoid Valves Type SPML 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 flurinated refrigerants (R 22, R134A, R 404A, R12, 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
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