Specification:
Valve Series / Model: FDF series (e.g., FDF2, FDF3, FDF6, FDF10 …)
Actuation / Type: Direct-operated or pilot-operated solenoid design
Application Media / Refrigerants: HCFC/HFC refrigerants and hydrocarbon-based fluids – R22, R134a, R404A, R407C, R410A, R507, etc.
Medium (Fluid) Temperature Range: –30 °C to +120 °C (depending on model and seal material)
Ambient Temperature: –30 °C to +50 °C (typical operating range)
Maximum Working Pressure (MOPD): Up to 4.2 MPa (≈ 42 bar) for larger models
Kv / Flow Coefficient: Example: FDF4 – 4.0 m³/h, FDF11 – 11 m³/h
Sizes / Port Connection: Seat diameters available in ¼″, 5⁄16″, 3⁄8″, ½″, 5⁄8″ (varies by model)
Material / Sealing: High-grade brass or stainless steel body; O-ring and PTFE sealing for leak-free operation
Certifications: UL / CUL, TUV, CQC, LVD, and PED compliance (model dependent)
Installation Requirements: Install with coil axis vertical (±15° tolerance); ensure flow direction follows arrow marking
Features / Highlights: Low power consumption coil, excellent opening performance, high differential pressure tolerance, and compatibility with flammable or synthetic refrigerants
