Yamato Water Circulators deliver precise, energy-efficient closed-loop water cooling for laboratory and analytical applications. Whether you need a high-precision circulator like the CFA302 or robust refrigerated units like the CF303Y, CF313Y, and CF802A, this series offers optimal control and flexibility for various temperature management needs.
- Models: CFA302, CF303Y, CF313Y, CF802A
Features:
- CFA302: Precision PID-controlled water circulator with temperature range -10°C to +60°C
- Built-in monitoring for water level, pressure, refrigeration, and pump status
- Supports auto-start/stop, calibration offset, and temperature output
- Compatible with TE100 Thermal Analyzer
- CF Series (CF303Y / CF313Y / CF802A): Compact refrigerated systems with closed water circulation
- Quick-connect ports for easy hose or hard tube setup
- LED temperature controller with key-entry setting
- Drain port, intake filter, and swivel-type connector included
- Optional solvent recovery trap available for CF802A
Ideal Applications:
- Temperature control for analytical instruments
- Solvent recovery processes (CF802A)
- Laboratory cooling loops, thermal analyzers, and environmental chambers
Specifications
Performance & Capacity:
-
CFA302:
- Temp. Range: -10°C to +60°C (setting range: -15°C to +65°C)
- Accuracy: ±0.1°C | Fluctuation: ±0.3°C
- Cooling Capacity: ~370W at 10°C
- Max Flow Rate: 8.9–10.3 L/min | Max Head: 6.6–9.0 m
- Tank Capacity: ~13L
-
CF303Y / CF313Y:
- Temp. Range: -20°C to +30°C (no heating)
- Accuracy: ±1.0°C (≥0°C) | ±1.5°C (<0°C)
- Cooling Capacity: ~450W at 10°C / ~330W at -10°C
- Max Flow Rate: ~10 L/min | Max Head: ~5.7 m
- Tank Capacity: ~3.9L (3.5L liquid)
-
CF802A:
- Temp. Range: -20°C to +30°C (no heating)
- Accuracy: ±1.0°C | Fluctuation: ±3.0°C
- Cooling Capacity: ~1320W at 10°C / ~700W at -10°C
- Max Flow Rate: ~14 L/min | Max Head: ~14.3 m
- Tank Capacity: ~15.5L (14L liquid)
Construction & Components:
- Circulation Method: Closed system (external)
- Cooling Coil: Copper nickel plated (CFA302), Stainless steel (CF Series)
- Pumps: Magnet pump 45W (CFA302)
-
Refrigerants:
- CFA302: R404A (300g)
- CF303Y/313Y: R452A | CF802A: R410A
- Bath Material: SUS304 stainless steel
Display & Control:
- Controller: PID digital control (CFA302), LED digital display (CF Series)
- Display Unit: 0.1°C (CFA302) | 1°C (CF Series)
- Sensors: Pt100Ω (control) + K-thermocouple (CFA302), Pt100Ω (CF Series)
- Other Functions: Operation monitor, calibration offset, key lock, output terminal, filter access
Dimensions & Power:
-
CFA302:
- Tank: 245 × 315 × 180 mm
- External: 380 × 565 × 725 mm
- Power: AC100V, 13.8A (single phase)
- Weight: ~60 kg
-
CF303Y / CF313Y:
- External: 205 × 396 × 535 mm (303Y), 340 × 370 × 838 mm (313Y)
- Power: AC115V 6.8A / AC220V 4A
- Weight: ~30–44 kg
-
CF802A:
- External: 340 × 408 × 920 mm
- Power: AC115V 15A
- Weight: ~44 kg
Included Accessories
- CFA302: Drain hose (0.5m), Overflow hose (0.5m)
- CF Series: Hose clamps (2), Hose nozzles (2), Drain hose, Intake filter, Spare fuse (for CF802A)
Why Choose Yamato Water Circulators?
- Precision temperature control from -20°C to +60°C
- Compact, reliable, and energy-efficient closed systems
- Easy installation, maintenance, and connection with flexible or hard tubing
- Wide model variety to match laboratory cooling and solvent recovery needs
- Eco-conscious design with refrigerant compliance and efficient heat transfer
- 1-Year Manufacturer Warranty
- Over 40 years of trusted lab equipment experience