In industrial gas handling, burner management, and process automation, solenoid valves serve as the critical on/off control devices that ensure safe, reliable, and efficient gas flow. The SG Series Gas Safety Solenoid Valves (also known as SG solenoid valves) represent a high-performance, fast-closing solution specifically engineered for the protection, regulation, and control of air and gas supply to gas burners and gas-fired devices. These normally closed valves (open when energized) combine robust construction with advanced safety features, making them ideal for demanding industrial and commercial applications.
Key Features of SG Series Solenoid Valves
The SG series incorporates several advanced design elements that deliver superior performance and compliance with stringent safety standards:
- Gas Safety Valve with Spring-Loaded Valve Disc – Compliant with Class A according to EN 161, ensuring rapid and reliable shut-off in emergency conditions.
- Long-Life Robust Design – Engineered for high switching frequency and continuous cycle operation with minimal wear.
- Flexible Opening Modes – Fast opening (0.5 s) or slow opening (approx. 10 s) with adjustable initial opening for optimized ignition and combustion control.
- Flow Rate Adjustable – Precise manual flow adjustment for fine-tuning gas supply to match burner requirements.
- Premium Materials – Valve housing in high-strength AlSi alloy; valve disc seal in durable Perbunan (NBR); coil insulation in Class F material for thermal resilience.
- Zero Leakage & Reliable Sealing – Spring-loaded mechanism guarantees tight shut-off when de-energized.
These features make the SG series far more reliable than standard solenoid valves in safety-critical gas applications.
Teknik Özellikler
The SG Series is built for industrial-grade performance with the following key parameters:
- Operating Pressure: 0–200 mbar
- Internal Thread Connection: Rp (ISO 7-1)
- Opening Time: SG-N (fast) ≈ 0.5 s; SG-L (slow) ≈ 10 s
- Closing Time: 1 s (SG-N & SG-L)
- Ambient Temperature Range: -20°C to +60°C
- Protection Rating: IP54 (IEC 529)
- Coil Power Factor: cos φ = 1
- Voltage Ratings:
- 220/240 V ±10%/-15%; 50/60 Hz
- 120 V ±10%/-15%; 50/60 Hz
- 24 V ±10%/-15% (AC/DC)
- Duty Cycle: 100% ED (continuous operation)
- Fuse: Max. 6.3 A anti-surge
These specifications ensure the valves deliver consistent, fail-safe operation across a wide range of gas systems and environmental conditions.
Başlıca Uygulamalar
SG Series Gas Safety Solenoid Valves are specifically designed for:
- Gas burners and gas-fired appliances in industrial heating systems
- Burner management and flame safeguard systems
- Gas supply lines for boilers, furnaces, ovens, and process heaters
- Air and gas regulation in combustion control applications
- Safety shut-off in gas distribution networks and industrial process lines
Their fast-closing capability and compliance with EN 161 make them the preferred choice for applications where immediate gas shut-off is critical for safety.
Why Choose SG Series Solenoid Valves?
The SG series stands out through its combination of rapid response, adjustable performance, and long-term durability. The spring-loaded disc, robust AlSi housing, and Class F coil insulation provide exceptional reliability even under frequent cycling and harsh operating conditions. Whether you require fast or slow opening, flow adjustment, or continuous duty operation, these valves deliver precise control while meeting the highest international safety standards.
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