CF Series Aluminum Alloy Solid Type Cooling Tower Fan

CF series aluminum alloy hollow type cooling tower fans are designed specifically for cooling tower, offering distinct advantages over other types of fans. The blade enhanced for low sound operation, delivers maximum air flow and pressure capability at reduced speed.

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CF series aluminum alloy solid type cooling tower fans are designed specifically for cooling tower, offering distinct advantages over other types of fans. The blade enhanced for low sound operation, delivers maximum air flow and pressure capability at reduced speed. The skin of NJF fan is made with high quality aliminum alloy that is infused with pigment for even distribution across the laminate. Blades connects to the fan hub using a heavy-galvanized iron ring integrally molded with each fan blade. By loosening the hub attachment hardware, blades can easily be rotated to achieve desired pitch, permitting maximum utilization of fan horsepower.

Model Description

Features

■ High quality Aluminum material fan blades
■ Connects heavy-galvanized iron fan hub, easy installation and adjustable blade angle
■ Beautiful and concise, good corrosion resistance
■ High precision, low noise and high efficiency

Technical Parameters

Fan blades connect to the hub is using a heavy-galvanized iron ring integrally molded with each fan blade. By loosening the hub attachment hardware, blades can easily be rotated to achieve desired pitch, permitting maximum utilization of fan horsepower.

Model	Motor Power (KW)	Rotate speed (rpm)	Blade angle (A)	Static pressure (Pa)	Air volume (m³/h)	Hub Heigh (H)	Shaft Diameter (Ød)	Key width (F)	Key Depth (T)
CF-1184-4	1.1	720	18	73	28000	63/83	28	8	3.3
	1.5		21	71	32000
	1.5		24	62	36000
CF-1500-4	2.2	460	18	70	45000	83	34	8	3.3
			21	70	50000
			24	65	55000
CF-1800-4	4	365	18	66	70000	108	38	8/10	3.3
			21	69	75000
			24	60	85000
CF-2000-4	5.5	320	18	75	90000	108	38	8	3.3
			21	77	100000
			24	70	110000
CF-2200-4	5.5	265	18	69	100000	123	50	12	3.3
			21	73	105000
			24	63	115000
CF-2400-4	5.5	250	18	60	130000	123	50	12	3.3
			21	61	140000
			24	62	150000
CF-3000-4	7.5	230	17	70	180000	138	50	12	3.3
	11		20	68	200000
	11		23	68	220000
CF-3400-4	11	200	17	56	240000	148	60	12	3.3
	11		20	58	270000
	15		23	60	300000
CF-3700-4	15	200	16	61	310000	158	75	20	4.9
	15		19	65	340000
	18.5		22	69	370000
CF-4200-4	18.5	175	16	68	400000	158	75	20	4.9
	22		19	65	440000
	22		22	63	480000
CF-5000-4	30	170	14	70	600000	158	75	20	4.9
	37		17	76	640000
	37		20	82	680000

Fan Assembly Instructions

Newin CF series solid type aluminum alloy fans are shipped in unassembled shape, fan blades and hub will be matched well to ensure proper re-assembly.

a. Select a wide open area to accommodate to the fan diameter.

b. Position the fan hub 1 in the center of the work area with the blade sockets.

c. Place fan blade 2 in a blade socket on the hub. On fans where the blades overlap at the hub be sure to have the leading edge under the trailing edge of the forward blade.

d. Ensure the blade shank safety collar is inboard of the inner hub rim

Application & Usage

Solid type aluminum alloy fan is widely used in different types of cooling towers, mostly in 4 fan blades. Newin also supplies customized service for customers worldwide.

Fan Maintenance

Timely fan maintenance will prolong the useful life and assure continued trouble-free operation.
After the first week and subsequently at six month intervals:
• Torque all hardware to check if any loose

• Visually inspect the fan for airborne debris damage, check with fan cylinder segments, and corrosive attack. Correct any situations deter-mined detrimental to fan operation.

• Remove any accumulated scale or dirt.
• Clear blade drain holes at fan tip.

Filed Data for Replacing Cooling Tower Fan

Newin supplys cooling tower replacement service for brand cooling towers. Inform us below required information so that we could offer correctly: 1. Fan Diameter, 2. Nos of Fan Blades , 3. Blade Width , 4. Hub diameter
To match your existing driving shaft, shaft diameter, key width and hub height are also required when placing orders.

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