Elektrogas Solenoid Valves VRA, VLA, VTA Series
| Brand | Elektrogas |
|---|---|
| Model | VRA / VLA / VTA Series Combustion Air Flow Control Valve |
| Technical Specifications | • Connections: – Threaded: ISO 7-1 (Rp¾ – Rp2½), ANSI-ASME B1.20 (¾” – 2½” NPT) – Flanged: PN16 ISO 7005 (DN40 – DN80), ANSI B16.5 Class 150 (2” – 3”) • Voltage Options: 230V, 120V, 110V AC (50/60 Hz), 24V AC/DC, 12V AC/DC (tolerance -15% / +10%) • Ambient & Media Temperature: -15°C to +60°C (+5°F to +140°F) • Max Operating Pressure: 200 mbar (3 psi) • Opening/Closing Times: – VRA: 1s opening/closing – VLA: ~4s opening / 1s closing – VTA: ~4s opening/closing • Protection: IP54 (NEMA 3), optional IP65 (NEMA 4) • Cable Glands: M20x1.5 (terminal box), PG9 (ISO plug) • Wire Cross-Section: 2.5 mm² (terminal board), 1.5 mm² (ISO plug) • Electrical Safety: EN 60335-1, Class I • Coil Insulation: Class H (200°C), Thermal Resistance: Class F (155°C) |
| Key Features & Benefits | • Wide size range DN20 (¾”) to DN80 (3”) • Complies with EN161 Group 2 standards • Designed for combustion air regulation (not shut-off) • Adjustable min/max flow for high/low op |
