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Certification

Customer Reviews

In Sep. 2005, we purchased 39 sets bowers for Shenyang Fairy River Sewage Plant from B-Tohin. We certify that the blowers have been running well.

—— Shenyang Zhenxing Environment

During the operation of equipment by the B-Tohin inconsistencies have been identified, on November 22, the equipment is in good condition.

—— Sitdikov Z. Sh. of Giiron

The goods’ quality is reliable, while the after-service is timely.

—— Zhu Shuixing

The OEM representative was found to be good at what he does. The general assessment of his work is satisfactory.

—— Lafarge Cement Nigeria

-50KPA 4.53m3/Min 7.5KW Air Cooling Negative Pressure Roots Blower Vacuum Pump

105.14m3/Min -50 ~-55kpa 160kw Air Cooling Water treatment Roots Blower Vacuum Pump

8" Negative Pressure Air 41.09m3/min -70KPA 75KW Root Blower Pump

DN100 4“ 8.7m³/Min -60KPA 18.5KW Negative Pressure Air-cooling Roots Blower Pump

-70KPA 5.85m3/Min 15KW BV Series Air Cooling Negative Pressure Roots Blower

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Roots Blower Vacuum Pump

(25)

DN125 5" 12.37m3/min 22KW -65KPA 1750RMP Negative Pressure Roots Vacuum Pump
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Roots type vacuum pump negative pressure blower, 9.47-16.96m3/min,-50KPA to -70KPA, 11-15KW About BV125H Vacuum Blower BV125H vacuum blower is a kind of displacement Roots type air pump. It can reach -70KPA ... Read More

2026-04-24 17:05:46

Vacuum 50KPA To 70KPA DN65 2.5”Negative Pressure Rotary Lobe Blower
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Vacuum 50KPA to vacuum 70KPA Roots negative pressure blower vacuum Pump DN65 lobe rotary type blower About BV65H Vacuum Blower BV65H vacuum blower is a kind of displacement Roots type air pump. It can reach ... Read More

2026-04-24 17:04:52

Industrial Roots Blower Vacuum Pump with Rotary Speed Range 850 to 1800 rpm for Vacuum Air Delivery in Various Sectors
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Industrial Roots Blower Vacuum Pump with Rotary Speed Range 850 to 1800 rpm for Vacuum Air Delivery in Various Sectors About BK vacuum pump Based on our BK series positive Roots blower, we developed BK vacuum ... Read More

2026-04-24 17:04:06

DN100(4"),Negative Pressure Roots Blower Speed from 700 to 1500 rpm for Water Treatment
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DN100(4"),Negative Pressure Roots Blower Speed from 700 to 1500 rpm for Water Treatment About BK vacuum pump Based on our BK series positive Roots blower, we developed BK vacuum pump for vacuum application. Its ... Read More

2026-04-24 17:03:27

Roots Blower Vacuum Pump Model BV10034 with Inlet and Outlet Dimension DN350 for Vacuum Air Capacity in Various Industries
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Roots Blower Vacuum Pump Model BV10034 with Inlet and Outlet Dimension DN350 for Vacuum Air Capacity in Various Industries About BK vacuum pump Based on our BK series positive Roots blower, we developed BK ... Read More

2026-04-24 17:02:49

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