Low-Temperature Solenoid Valve Technical Specifications
1. Temperature Limits
Standard models typically operate between -20°C to +60°C, while low-temperature variants can function down to -40°C or below.
2. Key Design Requirements
Seals: Must use low-temperature elastomers (e.g., FKM, EPDM) to prevent hardening or cracking.
Lubrication: Requires silicone-based or synthetic oils that remain fluid in cold conditions.
Coil Type: DC solenoids outperform AC in freezing environments due to more stable response.
3. Air Supply Considerations
Compressed air must be dry and moisture-free (recommended with desiccant dryers) to prevent ice formation.
Antifreeze additives or trace heating may be needed for extreme conditions.
4. Performance Impacts & Solutions
Slower Response: Initial actuation may delay until components warm up; pre-heating can help.
Protection: Outdoor installations require weatherproof enclosures (IP65+) or insulation.
5. Selection Guidelines
Choose ISO 15407-1 certified low-temperature models and perform regular maintenance on seals and air lines.
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