Flooded Screw Chiller

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Industrial chiller with flooded evaporator and semi-hermetic flooded screw compressor

• Refrigerant: R22/R134a
• Power source: 3Ph 380V 50Hz

Typical Applications

• Industrial Manufacturing & Process Cooling Used in chemical and pharmaceutical industries for reactor cooling and temperature control in production lines, such as PVC polymerization and drug synthesis. In food processing, it ensures stable cooling for dairy pasteurization, beer fermentation tanks, and cold storage rooms (–5°C to 5°C). In automotive manufacturing, it supports paint shop climate control and welding equipment cooling.
• Large Commercial Buildings Ideal for shopping malls, luxury hotels, and major hospitals requiring 24-hour stable cooling through central air conditioning. In data centers, it maintains precise temperature control (±0.5°C) to prevent overheating and downtime.
• District Cooling & Ice Storage Systems Suitable for urban CBDs, airports, and other centralized cooling projects, where high efficiency meets base load demands. Works seamlessly with ice storage systems, producing ice at night and providing cooling during the day to optimize energy costs.

• New Energy & Specialized Applications Applied in lithium battery production for electrode coating machine cooling and temperature regulation in drying workshops, including explosion-proof designs when required. In nuclear power plants, it provides cooling for auxiliary equipment and non-radioactive zones within the nuclear island.
• Public Facilities & Venues Supports large HVAC systems in subway or high-speed rail stations, handling sudden peak loads. In stadiums and exhibition centers, it delivers rapid cooling during major events, offering an energy-efficient solution for large-scale commercial air conditioning systems.

Technical Specifications

Model		HTSF-
		70W	90W	135W	180W	200W	240W	280W	340W	500W	520WD	600WD	1000WD
Nominal Cooling capacity	kW	289	367	497	698	808	945	1144	1407	1978	2010	2416	3956
	kcal/h (×104)	25	31	43	60	70	81	98	121	170	173	216	340
Coefficient of performance (COP)		5.9	6.1	6	6	6.2	6.3	6.2	6.2	6	6	6	6
Refrigerant		R22/R134A
Power source		3Ph 380V 50Hz
Compressor	Type	Semi-hermetic twin-screw compressor
	Quantity	1 set									2 sets
	Start mode	Y-△
	Capacity control	3-step, 4-step or stepless capacity control
	Input power (kW)	49	60	83	116	131	150	184	228	329	335	402	652
	Operating current (A)	83	101	140	195	220	252	310	383	552	562	675	1095
Evaporator	Type	High-efficiency tube and shell flooded evaporator
	Flow rate (m³/h)	50	63	85	120	139	163	197	242	340	345	432	680
	Pipe connection (mm)	DN100	DN100	DN100	DN125	DN150	DN150	DN150	DN200	DN200	DN250	DN250	DN300
	Water pressure drop (kPa)	50	50	50	50	50	50	55	55	55	58	58	60
Condenser	Type	Shell and tube
	Flow rate (m³/h)	58	73	98	133	162	188	228	281	396	375	499	792
	Pipe connection (mm)	DN100	DN100	DN125	DN150	DN150	DN150	DN150	DN150	DN200	DN250	DN250	DN300
	Water pressure drop (kPa)	46	46	47	47	48	48	50	50	53	53	56	58
Dimensions	Length (mm)	3100	3100	3200	3650	3700	3700	3700	3750	3800	4850	5400	5990
	Width (mm)	1200	1200	1260	1360	1550	1650	1700	1700	2200	2100	2050	2350
	Height (mm)	1700	1700	1850	1990	2200	2250	2300	2500	2850	2300	2500	3050
Net weight (kg)		2500	2500	3100	3500	3600	4000	4350	5800	7200	8380	11500	13550

• Nominal operating condition parameters: The inlet/outlet temperature of chilled water is17 ℃/12℃, and the inlet/outlet temperature of cooling water is 30℃/35℃.
• The evaporator is a high-efficiency shell and tube flooded liquid evaporator, and the condenser is a high-efficiency shell and tube condenser. The design pressure on the water side is 1.0 MPa.
• Due to technological improvements, the external dimensions and weight may change. Therefore, the above values are provided for reference only.
• Considering transitional and actual operating conditions, it is recommended that the flow rate of the chilled water pump be 1.2 times the evaporator water flow rate, and the flow rate of the cooling water pump be 1.35 times the condenser water flow rate.

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