OSHIMA-Condensing Boiler-WNS(LN)-600x600

Gas-Fired Boiler

WNS (LN) Gas-Fired Condensing Steam Boiler — Horizontal Fire-Tube Type

Recover flue gas heat, reduce gas consumption.

Features: Gas-fired condensing steam boiler; Horizontal fire-tube structure; Two-stage heat exchange design; Corrugated combustion chamber; Heat-transfer smoke tubes; Thermal efficiency ≥99%

Description

The WNS (LN) Gas-Fired Condensing Steam Boiler is designed to recover heat from flue gas and water vapor produced during combustion. Compared with traditional boilers, the condensing structure reuses heat that would otherwise be discharged through exhaust gas, helping reduce gas consumption. The boiler uses a two-stage heat exchange path. Hot flue gas first passes through the corrugated combustion chamber, then continues through heat-transfer smoke tubes, allowing more heat to be transferred to the water side. This model is suitable for industrial facilities that require gas-fired steam supply, heat recovery, and better fuel-use management.

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Specifications

Category	Item	Unit	WNS1-1-Q(LN), Y	WNS2-1.25-Q(LN), Y	WNS3-1.25-Q(LN), Y	WNS4-1.25-Q(LN), Y	WNS6-1.25-Q(LN), Y	WNS8-1.25-Q(LN), Y	WNS10-1.25-Q(LN), Y
Specification	Rated Evaporation	t/h	1	2	3	4	6	8	10
	Input Power	kW	4.5	9.5	10.1	20	24	31.7	38.5
	Rated Steam Pressure	MPa	1.0 / 1.25	1.25 / 1.6	1.25 / 1.6	1.25 / 1.6	1.25 / 1.6	1.25 / 1.6	1.25 / 1.6
	Rated Steam Temperature	℃	Room temperature 20℃ entering the condenser; feedwater temperature after deoxygenation is 104℃
	Design Exhaust Temperature	℃	≤60
	Boiler Full Water Volume	m³	2.55	3.8	4.3	6.14	7.36	10.6	13.5
	Design Thermal Efficiency	%	99, converted by low fuel calorific value
Heated Surface	Ontology	m²	22.82	44.6	69.4	75.2	119	144.43	181.4
	Economizer	m²	18.68	29.23	43.8	43.8	73	87.7	112.08
	Condenser	m²	18.68	29.23	43.8	43.8	73	105.12	134.5
Fuel Consumption	Gas	Nm³/h	71	142	213	282	424	568	710
Pipe	Main Steam Valve Diameter	mm	50	80	80	100	125	150	150
	Water Inlet Diameter	mm	25	32	32	40	40	50	50
	Safety Valve Diameter	mm	50	65	65	50	50	50	50 × 2
	Blowoff Valve Diameter	mm	40	50	50	50	50	50	50 × 2
	Chimney	Φ	300	350	400	450	500	600	700
Overall Size	Weight	t	5.377	6.2	8	11	14.5	19	25
	Length	mm	3855	4600	4080	5380	6050	6637	7550
	Width	mm	2184	2000	2500	2500	2650	2856	2950
	Height	mm	2590	2700	3154	3154	3656	3874	3851
	Height After Installation	mm	2590	2590	3154	3154	3656	3874	3851

*Design and specifications subject to change without prior notice.

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