Packaged 4t/H 3 Pass Wet Back Fire Tube Steam Boiler

• Customization: Available
• Function: Steam Boilers
• Fuel: Gas/Oil/Dual Fuel
• Model NO.: WNS4-1.25-Y(Q)
• Structure: Fire Tube
• Media: Steam and Water
• Water Circulation: Natural Circulation
• Drum Placement: Horizontal Boiler
• Pressure: Low Pressure
• Manufacturing Level: A
• Burning Style: Chamber Combustion Boiler
• Usage: Industrial
• Rated Working Ressure: 1.25~1.6 MPa (12.5 Bar ~16 Bar)
• Boiler Capacity: 280 Bhp
• Applicable Fuel: Gas, Oil, Dual Fuel
• Electricity Specification: 3/380/50, 3/400/60, 3/440/60, 3/220/60
• Transport Package: Stretch Film & Wooden Cases
• Specification: 4 t/h or 4000 kg/h
• Trademark: Devotion
• Origin: China
• HS Code: 84021900
• Production Capacity: 50 Sets/Month

Product Description

Boiler Applications
-providing high quality steam for production process;
-providing steam and hot water for commercial applications like hotels, hospitals,etc
-providing heating hot water through heat exchanger, etc

Technical Datasheet

WNS Series Main Technical Paramters of Horizontal Gas/Oil/Dual fuel Steam Boiler (3 pass, wet back, fire tube)
Model                                                                             Data		WNS0.5	WNS1	WNS1.5	WNS2	WNS3	WNS4	WNS5	WNS6	WNS8	WNS10	WNS15	WNS20
Thermal capacity(BHP)		35	70	105	140	210	280	350	420	560	700	1050
Rated steam evaporation(t/hr)		0.5	1	1.5	2	3	4	5	6	8	10	15	20
Rated steam pressure(Mpa)		0.7/1.0/1.25
Rated water supply(ºC)		20                                                                          105
Applicable fuel		light oil/diesel oil/heavy oil/furnace oil/natual gas/LPG/city gas/dual fuel
Fuel consumption (no economizer)	light oil/diesel(kg/hr)	34	68	103	124.2	186.3	248.4	310	350.2	467	586	879.3	1175
	heavy oil(kg/hr)	34.8	69.7	105.5	127.2	190.8	254.4	317	358.6	478	600	900	1203
	Natural gas(Nm3/hr)	40.6	81.9	124.1	149.6	224.4	299.3	373	421.9	563	706	1059	1416
	LPG(Nm3/hr)	14.5	29	44	53	79.5	106	132	149.4	199	250	375	501
	City gas(Nm3/hr)	91.6	183	277.7	334.7	502	669.4	835	994	1258	1579	2369	3166
Thermal efficiency% (not incl economizer/incl.economizer)		90(90)	90(94)	90(94)	90(94)	90(94)	90.6(94.1)	90.8(94.2)	90.7(94.2)	91(94.3)	91.1(94.6)	91(94.6)	91.3(94.6)
Electricity consumption	heavy oil(kw)	6.67	7.4	13.6	19.2	23.6	26.2	27.7	39.9	46.1	58	86.5	112
	other fuel(kw)	2.05	2.5	4.8	6.2	10.5	13	17.5	19.5	21.5	32	45	60
Voltage applicable		3/380/50(standard); 3/440/60;3/220/60;3/400/60 (optional)
Heating surface (m2) (not incl. economizer)		12.9	26.6	49.2	51.3	75.9	96	132.4	138.8	179.1	234.4
Wate volume(m3)		1.5	4.5	5.3	5.5	6.3	7.8	8.7	9.1	12.7	20.4	28.7	41.4
Net weight(kg)		2.9	5.3	6.8	6.9	9.8	11.2	13.1	14.9	21.5	26.1	34.8	52.8
Dimensions(mm)		3064*2173*1694	3319*2565*2156	3661*2660*2484	3791*2660*2484	4340*2860*2880	5090*2860*2880	5291*2930*2916	5491*3065*2916	6090*3460*3218	6790*3460*3418	8400*4180*3840	8980*4430*3900

FAQ
Q1: Where is your company?
A1: We are located in Guangzhou which is famous for international business and worldwide renowned Canton fair is held twice each year, it's the nearer and less cost to reach ports of Southeast Asia, Africa, Middle East, South America, Oceania and Europe.

Q2: What is the Warranty for the boilers?
A2: You will get eighteen months (18) warranty counting from the date of shipment or fourteen (14) months from the date of commissioning, whichever is earlier.

Q3: How about the installation and commissioning?
A3: We'll specify the service clause for installation and commissioning in details. Generally, our products can be handled by end-users themselves with our documents provided or internet online assistance. However, our service team members also are available for travelling upon request from customers.

Q4: What's the production lead time for delivery?
A4: For our standard products, usually it will take about 35-45 days for pressure boilers, and 25-30 days for non-pressure boilers. For non-standard products, time will be different subject to the specifications of pressure, electricity, fuel, capacity, etc.

Q5: What about your payment term?
A5: Our terms of payment is very flexible, we can discuss and meet your requirement. However, TT is the most welcome term and it has the priority to the price discount.
Q6: What kind of documents will be provided?
A6: Our documents include English instruction manuals, conformity certificate, drawings, manufacturing data, etc. More detailed documents can be provided upon request.

Q7: What's your MOQ?
A7: Only 1 set, if you have more than that, you will get a more favorable price.

Q8: How's the packaging & shipping
A8: For metal products like boiler body, steam header, tank, etc, they will be packed by stretch film; for accessories, they will be packed in wooden cases or carton boxes. We can handle all shipments including standard container, open top container, flat container, bulk carrier, etc. Because of big dimensions, not all boilers can be loaded into standard containers. For gas/oil boilers, bigger than 5 ton/hr or 3.5 MW can't be loaded into standard container.