G5-51、Y5-51型锅炉送引风机，适用于火力发电厂中2-670t/h蒸汽锅炉的送引系统，也满足了流化床炉的高压头性能参数的要求。该系列风机也可用于除尘、矿井通风及一般通风系统。送风机输送的为空气，引风机输送的为烟气或含杂质颗粒的气体。含杂质浓度小于200mg/m3时可用四年以上。如含杂质大也可使用，但使用寿命将缩短。引风机最高使用温度不得超过250℃。风机的性能以风机的流量、全压、主轴转速，轴功率和效率等参数表示。
G5-51型主要参数
| 型号及机号 （№） | 转速 (r/min) | 配用电机 (kW-p) | 流量 (m3/h) | 全压 (Pa) | |
| 8D 8D | 1450 1450 | Y160L-4 Y180M-4 | 15 18.5 | 9900-14300 16500-23100 | 2525-2435 2346-1771 |
| 9D 9D | 1450 1450 | Y200L-4 Y225S-4 | 30 37 | 14100-20300 23500-33000 | 3195-3081 2969-2241 |
| 10D 10D | 1450 1450 | Y225M-4 Y250M-4 | 45 55 | 19300-27900 32200-45100 | 3944-3804 3666-2767 |
| 11D 11D | 1450 1450 | Y280S-4 Y280M-4 | 75 90 | 25700-37100 42900-60000 | 4772-4603 4436-3348 |
| 11D | 960 | Y200L2-6 | 22 | 17000-24600 | 2092-2018 |
| 11D | 960 | Y225M-6 | 30 | 28400-39700 | 1944-1468 |
| 12D | 1450 | Y3156S-4 | 110 | 33400-48200 | 5679-5478 |
| 12D | 1450 | Y315M1-4 | 132 | 55600-77900 | 5279-3984 |
| 12D | 960 | Y250M-6 | 37 | 22100-31900 | 2490-2401 |
| 12D | 960 | Y280S-6 | 45 | 36800-51600 | 2314-1746 |
| 13D | 1450 | Y315S-4 | 160 | 42400-61300 | 6665-6429 |
| 13D | 1450 | Y315M1-4 | 180 | 70700-80200 | 6196-5728 |
| 13D | 1450 | Y315M2-4 | 200 | 89600-9900 | 5261-4676 |
| 13D | 960 | Y280S-6 | 45 | 28100-40600 | 2922-2818 |
| 13D | 960 | Y280M-6 | 55 | 46800-65600 | 2716-2050 |
| 14D | 1450 | Y355-4 | 220-280 | 53000-124000 | 7729-5423 |
| 14D | 960 | Y315S-6 | 75 | 35100-50700 | 3388-3268 |
| 14D | 960 | Y315M1-6 | 90 | 58500-82100 | 3149-2377 |
| 15D | 1450 | Y355-4 | 315 | 65100-94200 | 8873-8559 |
| 15D | 1450 | Y400-4 | 355-400 | 109000-152000 | 8249-6226 |
| 15D | 960 | Y315M1-6 | 90 | 43100-52400 | 3890-3752 |
| 15D | 960 | Y315M2-6 | 110 | 72200-81400 | 3616-3342 |
| 15D | 960 | Y315M3-6 | 132 | 91400-101000 | 3070-2729 |
| 15D | 730 | Y280M-8 | 45 | 32800-47500 | 2250-2170 |
| 15D | 730 | Y315S-8 | 55 | 54900-76800 | 2091-1578 |
| 16D | 1450 | Y400-4 | 450-560 | 79100-185000 | 10095-7083 |
| 16D | 960 | Y315M1-6 | 132 | 52400-75700 | 4426-4269 |
| 16D | 960 | Y315M2-6 | 160 | 87300-122000 | 4114-3105 |
| 16D | 730 | Y315S-8 | 55 | 39800-57500 | 2560-2468 |
| 16D | 730 | Y315M1-8 | 75 | 66400-93000 | 2379-1795 |
| 17D | 960 | Y315M2-6 | 160-220 | 62900-147000 | 4996-3505 |
| 17D | 730 | Y315M1-8 | 75 | 47800-69000 | 2889-2787 |
| 17D | 730 | Y315M2-8 | 90 | 79800-90300 | 2685-2482 |
| 17D | 730 | Y315M3-8 | 110 | 101000-112000 | 2280-2027 |
| 18D | 960 | Y355-6 | 220-250 | 74600-108000 | 5601-5403 |
| 18D | 960 | Y400-6 | 160 | 124000-174000 | 5207-3929 |
| 18D | 730 | Y315M3-8 | 110 | 56700-94300 | 3239-3011 |
| 18D | 730 | Y315M2-8 | 132 | 107000-132000 | 2783-2272 |
| 19D | 960 | Y400-6 | 280-400 | 87700-205000 | 6241-4378 |
| 19D | 730 | Y315M2-8 | 132 | 66700-96400 | 3609-3481 |
| 19D | 730 | Y355M2-8 | 160 | 111000-126000 | 3355-3101 |
| 19D | 730 | Y355M3-8 | 185 | 141000-156000 | 2848-2532 |
| 20D | 960 | Y400-6 | 400 | 102000-148000 | 6915-6670 |
| 20D | 960 | Y450-6 | 500 | 171000-239000 | 6428-48S1 |
| 20D | 730 | Y355M2-8 | 160 | 77800-112000 | 3999-3857 |
| 20D | 730 | Y315M4-8 | 200 | 130000-147000 | 3717-3436 |
| 20D | 730 | Y400-8 | 220 | 164000-182000 | 3156-2805 |
