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Tips: As 1 ton is equal to 71 bhp, 200 bhp steam boiler is about 3 ton steam boiler.
Model:WNS
Capacity:0.5-20 ton/h
Design pressure:0.7/1.0/1.25/1.6/2.5Mpa(7/10/12.5/16/25bar)
4.Stem temperature:184/194/205/226℃
5.Design fuel:natural gas, lpg,lng,cng,city gas,biogas, diesel oil,heavy oil,etc
6.Structure: three pass fire tube wet back

2.Core technology:
1. Low Nitrogen oxide emissions
2. PLC control system;
3. The 5th stage water level protection;
4. Flame-out, power failure self-locking protection function;
5. Automatic fault identification function;
6. Data collection, analysis function;
7. Internet of Things remote monitoring.

3.Technical parameter:
| Boiler model | Rated capacity | Rated pressure
| Rated steam tempe rature
| Fuel consumption | Thermal effiency | Weight | Diemension | |||
| natural gas | Diesel oil | heavy fuel oil | lpg | |||||||
| ton/h | Mpa(bar) | ℃ | m3/h | kg/h | kg/h | m3/h | % | ton | mm | |
| WNS0.5-1.0-Y(Q) | 0.5 | 1(10) | 184 | 43 | 33 | 34 | 14 | 92 | 3 | 3000*1500*1800 |
| WNS1-1.0-Y(Q) | 1 | 1 (10) | 184 | 84.2 | 65.5 | 67.3 | 29 | 92 | 4.3 | 3561*1690*1910 |
| WNS1.5-1.0-Y(Q) | 1.5 | 1.25(13) | 194 | 120 | 90 | 98.5 | 43.5 | 92 | 5.6 | 3681*1870*1980 |
| WNS2-1.25-Y(Q) | 2 | 1.25(13) | 194 | 165 | 129.6 | 132.2 | 57.3 | 92 | 7.2 | 4111*1950*2199 |
| WNS3-1.25-Y(Q) | 3 | 1.25(13) | 194 | 250 | 192 | 195 | 82 | 92.5 | 8 | 4330*2248*2564 |
| WNS4-1.25-Y(Q) | 4 | 1.25(13) | 194 | 323.6 | 256 | 261.9 | 109 | 93 | 9.6 | 4732*2150*2448 |
| WNS5-1.0-Y(Q) | 5 | 1.25(13) | 194 | 386 | 318 | 322 | 140 | 93 | 12.5 | 5970*2360*2796 |
| WNS6-1.25-Y(Q) | 6 | 1.25(13) | 194 | 450 | 380 | 390.6 | 164 | 93.5 | 16.5 | 5500*2600*2990 |
| WNS8-1.25-Y(Q) | 8 | 1.25(13) | 194 | 642 | 503 | 517 | 209 | 93.5 | 24.8 | 6450*2800*3200 |
| WNS10-1.25-Y(Q) | 10 | 1.25(13) | 194 | 805 | 628 | 643 | 264 | 94 | 26.8 | 6800*2900*3394 |
| WNS12-1.25-Y(Q) | 12 | 1.25(13) | 194 | 970 | 758 | 775 | 321 | 94 | 32 | 7050*3100*3450 |
| WNS15-1.25-Y(Q) | 15 | 1.25(13) | 194 | 1185 | 940 | 965 | 400 | 94.5 | 38 | 7150*3200*3540 |
| WNS20-1.25-Y(Q) | 20 | 1.25(13) | 194 | 1597 | 1250 | 1301 | 520 | 94.5 | 55 | 8200*3400*3826 |


If what you need is other types steam boiler, please click the following pictures.
Pre-sale service:
We help customer choose the best boiler model according to different requirements of various industry. Before delivery we will provide foundation drawing, layout drawing, boiler room layout, etc.
In-sale service:
We keep 24 hours online and keep close contacts during the production process to ensure on time delivery with perfect finished product.
After-sale service:
1.provide full range of original spare parts.
2.Engineers abroad installation and commissioning service is available.
3.Our engineers will held a training for boiler workers to ensure the safe operation.
4.Free maintenance and repair for one year and lifelong service.

Henan Yuanda Boiler Co., Ltd,Class A boiler manufacturer from China. Yuanda Boiler has been manufacturing, designing, engineering and servicing gas, oil, coal,biomass,wood and solid waste fired steam,hot water and thermal fluid(hot oil) boilers since 1956. With installations across all industries worldwide, Yuanda Boiler is recognized for the high code standards, innovative engineering and design, Energy Star rating, and renewable, sustainable solutions and operational efficiency.By the end of 2018, we have exports to 86 countries worldwide and have successfully supplied tailor made solutions for over 100,000 customers.
Today’s market requires the capabilities to provide service for complex equipment, systems, and controls, and Yuanda is at-the-ready to deliver cutting-edge expertise for any aftermarket needs.




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