350kw Low Nitrogen Commercial Gas Boiler for Centralized Heating of School Office Building

• Customization: Available
• Function: Gas Boiler
• Fuel: Gas-Fired
• Model NO.: 350kw
• Installation: Packaged Boiler
• Structure: Water Tube
• Media: Hot Water
• Manufacturing Level: C
• Burning Style: Chamber Combustion Boiler
• Usage: Industrial, Home, Commercial Building
• Energy Efficiency Class: I
• Gas Supply Pressure 12t: 3000 PA
• Nox Emissions: Less Than 25 Mg/Nm³
• Waterproof Protection Level: IP40
• Specification: 350kw
• Trademark: OEM
• Origin: China
• HS Code: 8403109000
• Production Capacity: 1500PCS/Year

Product Description

Model		LL9GKQ350-NOVA350L	LL9GKQ700-NOVA700L	LL9GKQ1050-NOVA1050L	LL9GKQ1400-NOVA1400L
Rated Heat Input	kW	350	700	1050	1400
Min. Heat Input	kW	70	140	200	280
Rated Heat Output of CH 80/60ºC	kW	340	679	1020	1358
Rated Condensing Heat output 50/30ºC	kW	367	729.4	1095	1458.8
Exhaust Gas Temperature 80/60°C (Radiator)	ºC	<70ºC	<70ºC	<70ºC	<70ºC
Exhaust Gas Temperature 50/30ºC(Floor heating)	ºC	<45ºC	<45ºC	<45ºC	<45ºC
Energy Efficiency Class	/	I	I	I	I
Heating Temperature Regulation Range	ºC	20~80	20~80	20~80	20~80
Max. Allowable Flow	m³/h	20	40.1	60.1	80.2
Min. Inlet Water Temperature Rise	ºC	15	15	15	15
Min. Allowable Flow	m³/h	8.6	17.2	25.8	34.4
Max. Inlet Water Temperature Rise	ºC	35	35	35	35
Max. Water-side Pressure Loss	mH20	0.85	1.74	1.69	1.69
Min. Water-side Pressure Loss	mH20	0.45	0.32	0.32	0.32
Min./Max. Operating Pressure	MPa	0.02/0.1	0.02/0.1	0.02/0.1	0.02/0.1
Gas Supply Pressure 12T	Pa	3000	3000	3000	3000
Gas(12T)Max. Flow	m³/h	30.1	70.2	105.6	140.4
Gas(12T)Min. Flow	m³/h	7.1	14.1	14.1	28.2
Average Gas Consumption for CH	m³/h	14.6	29.2	43.7	58.4
CO Emissions	ppm	40	40	40	40
NOX Emissions	mg/Nm³	≤25	≤25	≤25	≤25
NOX Class		5	5	5	5
Waterproof Protection Level		IP40	IP40	IP40	IP40
Voltage/Frequency	V/Hz	220~/50~	220~/50~	380~/50~	380~/50~
Electrical Power	W	450	3000	3000	3000
Product Dimension (LxWxH)	mm	1550*680*1300	1781*1020*1600	2098*1020*1600	2410*1020*1600
Heating Area	m²	3500~9000	7000~17500	10000~25000	14000~35000

We specialize in the production of wall-hung boilers, fully premixed low-NOx commercial boilers, intelligent controllers, etc. We have passed the ISO9001 quality management system certification, and use frequency conversion technology and low nitrogen technology to improve the product efficiency of conventional wall-hung boilers and fully premixed condensing boilers.

2 fully automatic production lines, equipped with test benches conforming to international standards and national laboratories, apply MES, SRM, WMS system for digital information management ,with a daily production capacity of 800 units.