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Boiler efficiency up to 93%;, Capacity 4-50t/h, pressure up to 50bar;, PLC control panel, burner, CNP pump, cast steel valves; - details see: https://www.machineto.com/qingdao-industrial-water-tube-steam-boiler-10211771

I. Brief introduction of strength: 1. Quality: A grade boiler, A1, A2 grade pressure vessel manufacturing company. All products have passed ISO9001:2008 & ASME International Quality Management System Certification, also can provide CE, AS, GOST certification. 2. Management: In order to ensure the quality, we strictly monitor the comprehensive quality system from raw material procurement & re-testing & process to storage. All the steels and pipes are purchased from developed countries & the well-known large domestic enterprises. 3. Welding: Welding mainly uses advanced automatic welding, gas protected welding, TIG welding. Drum and other main pressure parts adopt CNC automatic welding, all of the welding 100% passed penetrant inspection. 4. Market: Our products have been exported to more than 40 countries, such as Australia, USA, Japan, Canada, Russia, Thailand, Mexico, Cyprus, Pakistan, Angola, Mongolia, etc.

II. SZS Series Automatic Oil Gas Fired Steam Boiler Description: 1. This kind of boiler adopts the structure of double longitudinal drums and D-type furnace. Water tube design, The economizer and other auxiliary heating surface are fixed in the rear. The combustor is located on the front wall. The convection tube bank and rear heating surface from the back of the furnace, and then into air through the chimney. 2. Boiler capacity from 4-60ton/hr, pressure up to 50bar 3. Body Structure Features For the double drums longitudinal D-type boiler, the pressure body has a good state of stress. Drums and other important pressure parts won't be radiated and eroded by high temperature flame. Pressure parts, with small thermal stress, can stretch out and draw back freely, and can reach higher safety margin. 4. Automatic protection, long-distance control, safety operation.
Item\Model		SZS2-1.25/1.6/2.5-Y(Q)	SZS4-1.25/1.6/2.5-Y(Q)	SZS6-1.25/1.6/2.5-Y(Q)	SZS10-1.25/1.6/2.5-Y(Q)	SZS20-1.25/1.6/2.5-Y(Q)	SZS35-1.25/1.6/2.5-Y(Q)
rated capacity kg/h		2000	4000	6000	10000	20000	35000
rated steam pressure MPa		1.25/1.6/2.5
rated steam temperature °C		194/203/225/400
heating area m²		68.8	125.3	165.1	210	435.2	906
heating area of economizer m²		18.48	37	49.8	144	236	413
fuel		light oil/heavy oil/natural gas/coke-oven gas
design efficiency %		89	90.35	89.67	90.24	89.17	90.3