4-72 series centrifugal fan
Model: 4-72 series
Feature:
1.high efficiency
2.low noise
3.Steady pressure curve
4.wide use
Featured by high efficiency, low noise, wide use and steady pressure curve, 4-72 type is an ideal equipment for gas recycling, indoor ventilation &cooling in mining enterprises, coliseum opera house, basement, large and small hotels, restaurants, shopping malls and major building. The transporting medium is air or other non-spontaneous-combustion and non-explosive-combustion air with no harm to human. With an anti-explode motor, B4-72 can be used for volatile flammable gases ventilation. The air transferred shall not contain any adhesive material, dust and grain, the concentration shall not exceed 150mg/m³, with the temperature no higher than 80℃.
Product function:ventilation, cooling
| 4-72A series centrifugal fan | ||||
| Model | （KW ) | （r/min） | （m³/h） | （Pa ) |
| 2.5A | 0.75 | 2800 | 1223～1981 | 855～482 |
| 2.8A | 1.5 | 2800 | 1131～2356 | 994～606 |
| 1.1 | 2800 | 1224-2408 | 963-596 | |
| 0.75 | 1400 | 688～1210 | 214～102 | |
| 3.2A | 2.2 | 2800 | 1688～3517 | 1300～792 |
| 1.5 | 2900 | 1688-3517 | 1300-792 | |
| 1.1 | 1400 | 844～1758 | 324～198 | |
| 3.6A | 3 | 2900 | 2664～5268 | 1578～989 |
| 2.2 | 2900 | 2436-5042 | 1552-1086 | |
| 1.1 | 1400 | 1332～2634 | 393～247 | |
| 4A | 5.5 | 2900 | 4012～7419 | 2014～1320 |
| 4 | 2900 | 3669-6988 | 2105-1275 | |
| 1.1 | 1400 | 2006～3700 | 501～329 | |
| 4.5A | 7.5 | 2900 | 5712～10562 | 2554～1673 |
| 1.1 | 1400 | 2856～5281 | 634～416 | |
| 5A | 15 | 2930 | 7728～15455 | 3187～2019 |
| 11 | 2900 | 7446-13821 | 3043-1779 | |
| 2.2 | 1420 | 3864～7728 | 790～502 | |
| 5.6A | 22 | 2930 | 10122～25736 | 4152～2330 |
| 3 | 1420 | 5009～12736 | 1017～570 | |
| 6A | 4 | 1450 | 6677～13353 | 1139～724 |
| 1.5 | 960 | 4420～8841 | 498～317 | |
| 4-72B series centrifugal fan | ||||
| Model | （KW-P） | （r/min） | （m³/h） | （Pa ) |
| 16B | 132-6P | 900 | 102810～111930 | 3157～3115 |
| 160-6P | 900 | 121040～143910 | 2990～2497 | |
| 110-6P | 800 | 91392～127920 | 2489～1969 | |
| 75-6P | 710 | 81110～113520 | 1957～1549 | |
| 55-6P | 630 | 71971～100730 | 1538～1218 | |
| 37-6P | 560 | 63974～89544 | 1214～961 | |
| 30-6P | 500 | 67120～79950 | 967～766 | |
| 18.5-6P | 450 | 51408～71955 | 783～620 | |
| 15-6P | 400 | 45696～63960 | 618～490 | |
| 11-6P | 355 | 40555～56764 | 487～386 | |
| 7.5-6P | 315 | 35985～50368 | 383～303 | |
| 20B | 200-6P | 710 | 158410～221730 | 3069～2427 |
| 132-6P | 630 | 140560～165480 | 2411～2284 | |
| 160-6P | 630 | 176150～196750 | 2172～1908 | |
| 90-6P | 560 | 124950～147100 | 1902～1801 | |
| 110-6P | 560 | 156580～174890 | 1714～1505 | |
| 75-6P | 500 | 111560～156150 | 1514～1199 | |
| 55-6P | 450 | 100400～140530 | 1225～970 | |
| 37-6P | 400 | 89250～124920 | 967～766 | |
| 30-6P | 355 | 79209～110860 | 761～603 | |
| 22-6P | 315 | 70284～98376 | 599～475 | |
| 15-6P | 280 | 62475～87445 | 473～375 | |
| 11-6P | 250 | 55781～78076 | 377～299 | |
| 4-72C series centrifugal fan | ||||
| Model | （KW-P） | （r/min） | （m³/h） | （Pa ) |
| 6C | 15-4P | 2240 | 10314～20628 | 2734～1733 |
| 11-4P | 2000 | 9209～18418 | 2176～1380 | |
| 7.5-4P | 1800 | 8288～16576 | 1760～1116 | |
| 5.5-4P | 1600 | 7367～14734 | 1389～881 | |
| 3-4P | 1250 | 5756～11511 | 846～537 | |
| 2.2-4P | 1000 | 4605～9209 | 541～344 | |
| 1.1-4P | 800 | 3684～7367 | 346～220 | |
| 1.1-4P | 800 | 3684~7367 | 346～220 | |
| 7C | 18.5-4P | 1800 | 13161～26322 | 2395～1519 |
| 15-4P | 1600 | 11698～23397 | 1890～1199 | |
| 11-4P | 1450 | 10602～21204 | 1553～984 | |
| 7.5-4P | 1250 | 9140～18279 | 1151～731 | |
| 5.5-4P | 1120 | 8189～16378 | 924～586 | |
| 4-4P | 1000 | 7312～14623 | 736～468 | |
| 8C | 37-4P | 1800 | 28105～36427 | 2920～2302 |
| 30-4P | 1800 | 19646～28105 | 3131～2909 | |
| 22-4P | 1600 | 17463～22435 | 2478～2390 | |
| 18.5-4P | 1450 | 15826-26869 | 2032-1642 | |
| 15-4P | 1350 | 14735-25274 | 1761-1420 | |
| 11-4P | 1250 | 13643～25297 | 1507～1106 | |
| 7.5-4P | 1120 | 12224～15705 | 1209～1166 | |
| 5.5-4P | 1000 | 10914～14022 | 963～929 | |
| 4-4P | 900 | 9823～16849 | 783～631 | |
| 10C | 37-4P | 1250 | 34863～48797 | 2373～1877 |
| 30-4P | 1120 | 31237～43722 | 1902～1505 | |
| 18.5-4P | 1000 | 27890～39038 | 1514～1199 | |
| 15-4P | 900 | 25101～35134 | 1225～970 | |
| 11-4P | 800 | 22312～31230 | 967～766 | |
| 7.5-4P | 710 | 19802～27717 | 761～603 | |
| 5.5-4P | 630 | 17571～24594 | 599～475 | |
| 12C | 75-4P | 1120 | 53978～75552 | 2746～2172 |
| 55-4P | 1000 | 63953～67457 | 1859～1729 | |
| 37-4P | 900 | 43375～60712 | 1767～1399 | |
| 30-4P | 800 | 38556～53966 | 1395～1104 | |
| 18.5-4P | 710 | 34218～47895 | 1097～869 | |
| 15-4P | 630 | 30362～42498 | 863～684 | |
| 11-4P | 560 | 31774～37776 | 646～540 | |
| 7.5-4P | 500 | 24097～33728 | 543～430 | |
| 14C | 110-4P | 1000 | 76535～107124 | 2985～2361 |
| 75-4P | 900 | 68881～96412 | 2412～1908 | |
| 55-4P | 800 | 61228～85699 | 1903～1506 | |
| 37-4P | 710 | 54340～76058 | 1497～1185 | |
| 30-4P | 630 | 48217～67488 | 1177～932 | |
| 18.5-4P | 560 | 42859～59990 | 929～736 | |
| 15-6P | 500 | 38267～53562 | 741～587 | |
| 11-6P | 450 | 34441～48206 | 599～474 | |
| 7.5-6P | 400 | 30614～42850 | 474～375 | |
| 5.5-6P | 355 | 27170～38029 | 372～295 | |
MATERIAL:CARBON STEEL, ALUMINUM,GALVANIZED SHEET, STAINLESS STEEL #304 #414, COPPER
An ideal equipment for gas recycling, indoor ventilation &cooling in mining enterprises, coliseum opera house, basement, large and small hotels, restaurants, shopping malls and major building.
① Production process
BLANKING, LASER BLANKING, ASSEMBLY, WELDING, FINAL ASSEMBLY, TESTING
② Package & Shipping
Small size products - carton/wooden frame packaging, large size products are packaged with stretch film
③ After-sales Service
One year after leaving the factory, it is fully guaranteed for non-human damage. Improper use and operation will cause damage to charge the cost price of parts for maintenance. After one year beyond the warranty period, only the cost of replacement parts will be charged, and the 40HQ large container will be shipped with the value of the container 1% of the spare parts are used as after-sale spare parts, and the parts are purchased separately for orders less than 40HQ containers.
④ FAQ
Q1. When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are urgent to get the price, please use Whatsapp or email to contact us and we will reply you in time .
Q2. What is your main market?
Europe, Asia, America，Africa.
Q3：Is your company a manufacturing or trading company? Can we make our own brand?
We are a professional manufacturer of poultry equipment, industrial ventilation and cooling equipment in China. We can provide OEM and ODM services, can do your brand on the product
Q4：What's your starting amount?
A：We can make sample orders, but the shipping cost will be very high .
Q5. Can I buy 1 or 2 pieces of samples for testing before bulk order?
Yes, of course. we are pleasure to supply the samples for the quality and performance. test. We are full of confidence that you will be satisfied once you get it. Meanwhile, we will take the sample charge from you, but we will return the sample charge back to you when you place the bulk order.
Q6：What is your delivery time?
A：According to the order quantity, if we have stock it is only 3 business days, if we do not have, it is about 7-15 business days.
Q7：How about the quality of your products
A：All products are produced in strict accordance with international standards, and through the QS certification, 3C certification of international quality management system
Q8. What if I haven’t done the import before, how can I buy the product from you?
You only need to pick up the items you need. We have the cooperated shipping agent to help you to do the shipping and custom clearance, and then the goods could be delivered to your warehouse directly. You don’t need to do anything.
Q9:How to make business:
A:PAYMENT TERMS: T/T, 30% deposit before production, 70% balance before shipment
TRADE TERMS:NORMALLY OUR TRADING TERMINGIS FOB FOSHAN/SH
LEADING TIME:IF WE HAVE STOCK IT IS ONLY 3 BUSINESS DAYSIF WE DO NOT HAVE, IT IS ABOUT 7-15 BUSINESS DAYS.
OEM/ODM:OUR PROFESSIONAL TEAM WOULD LIKE TOJOIN IN DEVELOPMENT PROGRESS
Q10. What is the after-sale service proposal?
One year after leaving the factory, it is fully guaranteed for non-human damage. Improper use and operation will cause damage to charge the cost price of parts for maintenance. After one year beyond the warranty period, only the cost of replacement parts will be charged, and the 40HQ large container will be shipped with the value of the container 1% of the spare parts are used as after-sale spare parts, and the parts are purchased separately for orders less than 40HQ containers.
