GZF Series Split-Type Painting Dehumidifier

The GZF Series Split-Type Desiccant Painting Dehumidifier is specially designed by GOZ for shipbuilding, steel structure, sandblasting and painting applications.
Combining refrigeration dehumidification and desiccant rotor technology, the system provides efficient humidity control, cooling, heating and ventilation functions for demanding industrial environments.

With separate indoor and outdoor units, the system offers flexible installation and reliable operation under harsh conditions.
It is capable of operating continuously throughout the year, effectively controlling humidity, preventing steel surface flash rust and improving coating quality and construction efficiency.

Product Parameters

GZZ Painting Dehumidifier(Split-Type)
	Parameter Item	Sub-item	Unit	GZF-9000	GZF-12000	GZF-15000	GZF-18000	GZF-22000	GZF-25000	GZF-30000	GZF-36000
Overall Unit Performance	Process Air		m³/h	9000	12000	15000	18000	22000	25000	30000	36000
	Cooling Capacity		kW	180	240	300	360	430	480	580	650
	Heating Capacity		kW	60	80	100	120	140	160	200	230
	T & RHControl Range			T=18～25℃±3℃ RH≤45%
	Operating Temperature			T=-5～40℃ RH≤95%
	ESP		Pa	≥1200
	Power Supply			50Hz, 380V, 3-Phase 4-Wire / 3-Phase 3-Wire
	Rated Maximum Power		kW	143	188	231	256	286	314	391	421
	Unit Noise Level		dB(A)	75	77	79	80	80	82	82	82
Process Air System	Air Filter	Type		Metal Mesh Panel Filter
	Fan	Type		Low-Noise Centrifugal Fan
		Qty		1
		Power	kW	11	15	18.5	18.5	23.5	23.5	27	30
Reg. Air System	Air Filter	Type		Metal Mesh Panel Filter
	Fan	Type		Single-Inlet Direct-Drive Centrifugal Fan
		Qty		1
		Power	kW	1.5	2.2	3	3	4	5	7.5	7.5
	ReG. Heating		kW	45	60	75	90	112	123	150	168
Desiccant Rotor System	Rotor	Type		HPS (High-Efficiency Silica Gel)
Desiccant Rotor System	Rotor Motor	Power	kW	0.06	0.06	0.09	0.1	0.1	0.1	0.1	0.1
Refrigeration System	Compressor	Type		Semi-Hermetic Screw Compressor
		Qty		1						1/2
		Power	kW	45	60	75	90	110	120	150	180
	Condenser	Type		Copper Tube with Aluminum Fin Type
	Condenser Fan	Type		Axial Flow Type
		Qty		3	3	3	3	6	6	6	6
		Power	kW	6	9	10.5	10.5	13.2	13.2	16.8	22
	Evaporator	Type		Copper Tube with Aluminum Fin Type
	Refrigerant	Type		R22/R410a/R134a/R407C
	Refrigerant	Throttling		Thermal Expansion Valve (TXV)
Heating System	Type			Electric Heating
Heating System	Electric Heater		kW	57	79	96	120	135	156	183	216
Others	Main Process Unit	Length	mm	4800	4800	5100	5100	5100	6000	6000	6000
		Width	mm	1940	1940	2240	2240	2240	2240	2240	2240
		Height	mm	2665	2665	3130	3130	3130	3130	3130	3130
		Weight	kg	4200	4500	4800	5200	5400	5800	6200	6500
		Air Outlet	mm	500×500	550×550	600×600	600×600	650×650	700×700	750×750	850×850
	Condensing Unit	Length	mm	2275	2275	3340	3340	3340	4400	4600	4600
		Width	mm	2000	2000	2000	2000	2000	2000	2000	2000
		Height	mm	2445	2445	2350	2350	2350	2350	2350	2350
		Weight	kg	1100	1200	1400	1600	1800	2100	2400	2800

Product Features

Dual Dehumidification Technology

The system combines refrigeration dehumidification and rotary desiccant dehumidification technology, achieving high energy efficiency and stable low humidity control under different climate conditions.

All-Season Stable Operation

Designed for year-round operation, the unit can handle inlet air conditions from -10°C to 40°C with relative humidity from 60% to 95%, providing stable outlet air conditions of 25±3°C and RH ≤45%.

High Performance Desiccant Rotor

The moisture removal core adopts a high-quality silica gel desiccant rotor, providing excellent adsorption performance, long service life and reliable low humidity control.

High Efficiency Refrigeration System

The refrigeration system uses high-performance semi-hermetic twin screw compressors, ensuring stable operation, high efficiency and long maintenance intervals.

Intelligent Control System

Equipped with automatic and manual control modes, the system allows easy operation, precise parameter adjustment and reliable unattended operation.

Winter Reheating Function

The built-in reheating system improves outlet air temperature during cold weather conditions, ensuring suitable temperature and humidity conditions for painting processes.

Industrial Safety Protection

The unit is equipped with comprehensive protection functions including:

Electrical leakage protection
Phase sequence and phase loss protection
Low voltage protection
Overload protection
High and low refrigerant pressure protection

High Static Pressure Air Supply

The high external static pressure fan allows stable airflow delivery through long flexible ducts or complex air distribution systems.

Multiple air outlets can be independently adjusted to support different working areas.

Applications

Shipyard sandblasting rooms
Marine painting workshops
Steel structure surface preparation
Offshore platform maintenance
Heavy-duty anti-corrosion coating projects
Large industrial painting facilities

Core Advantages

Stable all-season humidity control
Prevents flash rust after sandblasting
Improves coating adhesion and painting quality
Suitable for harsh marine environments
High airflow capacity for large working spaces
Reliable 24/7 industrial operation
Flexible split-type installation design

Product Value

The GZF Series Split-Type Dehumidification System provides reliable humidity control solutions for modern shipyards and industrial coating applications.

By maintaining proper temperature and humidity conditions, it helps reduce corrosion risks, improve coating performance and increase production efficiency.