Yokogawa YOK-YF108-NNNA1A-S3S3-E Yewflo Vortex Flowmeter

Yokogawa YOK-YF108-NNNA1A-S3S3-E is a YEWFLO vortex flowmeter, designed for accurate and reliable flow measurement of liquids, gases, and steam in industrial process environments. It features a robust, all-in-one design with no moving parts and built-in temperature and pressure compensation (model-dependent). Specifications: Manufacturer: Yokogawa Electric Corporation Model: YOK-YF108-NNNA1A-S3S3-E Series: YEWFLO Vortex Flowmeter Line Size: 4" (108 mm nominal pipe size) Body Material: Stainless Steel (S3 = SUS316 for both body and wetted parts) End Connections: ANSI 150# Flanged (confirm based on full code) Sensor Type: Standard Vortex Shedding Sensor Output: 4–20 mA analog with HART protocol Power Supply: 24V DC (typical) Accuracy: ±0.75% of reading for liquids (±1.0% for gas/steam) Operating Temperature Range: –29°C to +250°C (–20°F to +482°F) Pressure Rating: ANSI Class 150 (up to ~285 psi @ 100°F) Protection: IP67/NEMA 4X Explosion Proof: Optional hazardous location certifications available (ATEX, FM, CSA) Application: Flow measurement in steam lines, chilled water, chemical processes, compressed air, and general industrial fluids