Chongqing Friezheer Technology Co., Ltd.
| Payment Terms | T/T,L/C,Western Union |
| Supply Ability | 3,000 Units/Month |
| Delivery Time | 5-8 work days |
| Packaging Details | Packed in wooden cases |
| Product Name | Roots Blower for Flue Gas Desulfurization Plant |
| Place Of Origin | China |
| Payment Methods | T/T, L/C |
| Pressure | 1Pa-1.013 25×100000Pa |
| Applications | Flue Gas Desulfurization Plant |
| Production Time | Shipment Within 7 Days After Payment Receipt |
| MOQ | 1 Set |
| Package | Wooden Case |
| Brand Name | Frezer |
| Certification | CE, ISO9001, ISO14001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,L/C,Western Union | Supply Ability | 3,000 Units/Month |
| Delivery Time | 5-8 work days | Packaging Details | Packed in wooden cases |
| Product Name | Roots Blower for Flue Gas Desulfurization Plant | Place Of Origin | China |
| Payment Methods | T/T, L/C | Pressure | 1Pa-1.013 25×100000Pa |
| Applications | Flue Gas Desulfurization Plant | Production Time | Shipment Within 7 Days After Payment Receipt |
| MOQ | 1 Set | Package | Wooden Case |
| Brand Name | Frezer | Certification | CE, ISO9001, ISO14001 |
| Place of Origin | China | ||
| High Light | 300A Roots Blower ，Desulfurization Roots Blower | ||
Roots Blower Used in Power Industry Flue Gas Desulfurization Plant
Product Introduction
The performance tables provide the blower's model number, bore, rotational speed (r.p.m), discharge pressure, air capacity, and required power.
The air capacity in the tables is indicated in the standard suction state.The standard suction state herein mentioned is defined as the condition at 20℃ temperature, 1.0332Kgf/cm2 (101.3KPa) absolute pressure and 65% relative humidity.
The reference air capacity (temperature 0℃ and 1.0332kgf/cm2 (101.3kpa) absolute pressure) is generally indicated in Nm3/min.
However, it may be converted into the standard air capacity by the following equation, if the suction pressure is equal.
Qs = QNx1.0732
Where, Qs: standard air capacity (m3/min); and
QN: reference air capacity (m3/min).
The discharge air capacity can be converted into the standard air capacity by the following equation.
Qs = Qdx (1.0332+Pd)/ 1.0332x(273+Ts)/(273 + Td)
Where, Qd : discharge air capacity, in m3/min;
Pd : discharge pressure, in Kgf/cm2,
Ts : suction temperature, in ℃,
Td : discharge temperature, in ℃.
Based on the air capacity and discharge pressure calculated as above, the performance table lists the model, bore, r.p.m., and required power.
Sl Units Conversion Table ( Sl Units in Heavy Lines )
| Pressure | Pa | Bar | Kgf/cm2 | atm | mmH2O | MmHg(Torr) |
| 1 1×105 9.806 65×104 1.013 25×105 9.806 65 1.333 22×102 | 1×105 1 9.806 6525×10-1 1.013 25 9.806 6525×10-5 1.333 2225×10-3 | 1.019 72×10-5 1.019 72 1 1.033 23 1×10-4 1.359 51×10-3 | 9.869 23×10-6 9.869 23×10-1 9.678 41×10-1 1 9.678 41×10-5 1.315 79×10-3 | 1.019 72×10-1 1.019 72×104 1×104 1.033 23×104 1 1.359 51×10 | 7.500 62×10-5 7.500 62×102 7.355 59×102 7.600 00×102 7.355 59×10-2 1 | |
Product Specification
| Mark Type | Bore | A | B | C | D | E | F | G | H | J |
| SR-50 | 50A | 570 | 179 | 135 | 895 | 152 | 230 | 540 | 420 | 60 |
| SR-65 | 65A | 610 | 202 | 145 | 970 | 192 | 230 | 600 | 440 | 80 |
| SR-80 | 80A | 700 | 225 | 165 | 1130 | 217 | 280 | 650 | 500 | 75 |
| SR-100 | 100A | 900 | 265 | 175 | 1255 | 234 | 280 | 850 | 630 | 110 |
| SR-125 | 125A | 945 | 294 | 205 | 1525 | 260 | 355 | 920 | 710 | 105 |
| SR-150 | 150A | 1155 | 377 | 225 | 1745 | 305 | 400 | 1150 | 950 | 100 |
| SR-175 | 200A | 1300 | 457 | 245 | 1765 | 305 | 520 | 1330 | 1030 | 150 |
| SR-200 | 200A | 1570 | 550 | 276 | 2230 | 405 | 591 | 1600 | 1300 | 150 |
| SR-250 | 250A | 1847 | 596 | 445 | 2790 | 520 | 760 | 2200 | 1800 | 2300 |
| SR-300 | 300A | 2167 | 683 | 470 | 2805 | 520 | 750 | 2500 | 2040 | 230 |
| Mark Type | Bore | K | L | M | N | O | P | Q | R | n-Φ1 | Weight |
| SR-50 | 50A | ― | ― | 260 | 220 | 122 | 20 | 80 | 60 | 4-Φ14 | 72 |
| SR-65 | 65A | ― | ― | 300 | 260 | 122 | 20 | 80 | 80 | 4-Φ14 | 84 |
| SR-80 | 80A | ― | ― | 370 | 330 | 147 | 20 | 80 | 75 | 4-Φ19 | 132 |
| SR-100 | 100A | ― | ― | 400 | 360 | 114 | 20 | 80 | 110 | 4-Φ19 | 168 |
| SR-125 | 125A | 355 | 355 | 430 | 390 | 175 | 20 | 100 | 105 | 6-Φ19 | 245 |
| SR-150 | 150A | 475 | 475 | 500 | 455 | 190 | 22.5 | 100 | 165 | 6-Φ19 | 408 |
| SR-175 | 200A | 515 | 515 | 500 | 455 | 310 | 22.5 | 100 | 240 | 6-Φ19 | 505 |
| SR-200 | 200A | 650 | 650 | 650 | 605 | 348 | 22.5 | 126 | 240 | 6-Φ19 | 900 |
| SR-250 | 250A | 900 | 900 | 950 | 870 | 250 | 40 | 140 | 250 | 6-Φ24 | 1653 |
| SR-300 | 300A | 1020 | 1020 | 950 | 870 | 240 | 40 | 140 | 270 | 6-Φ24 | 2132 |
Product Show
Our Service
Powered by a highly skilled team of engineers and technicians with decades of hands-on experience, we develop customized Roots blower solutions that precisely fit your operational demands. Our specialists deliver complete support—from system design and commissioning to routine maintenance and performance upgrades—ensuring smooth integration with your workflow.
We take pride in our robust engineering approach, employing cutting-edge manufacturing techniques and stringent testing protocols to ensure outstanding performance, extended lifespan, and energy-saving operation. Every Roots blower is subjected to exhaustive quality inspections to meet global standards, helping you minimize unplanned downtime and maximize output.
Aware that industrial facilities operate 24/7, we provide emergency services around the clock for urgent technical issues. Our dedicated support team remains on constant alert, offering remote troubleshooting, immediate on-site repairs, and rapid spare parts delivery to maintain uninterrupted production.
With our expert team, proven technology, and nonstop service, we are dedicated to becoming your long-term reliability partner, delivering efficiency, durability, and operational confidence.
Transaction Process
Payment Methods
T/T,L/C,West Union,Alibaba Trade Insurance,AliPay
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
3,000,000-5,000,000
Employee Number:
320~380
Ecer Certification：
Verified Supplier
Frezer Technology CO., LTD was founded in 2007 and headquartered in Chongqing—a national hub for technological innovation in western China and a renowned historical and cultural city, one of the few manufacturers in the world with patented hybrid bearing technology. Frezer Technology CO., LTD was founded in 2007 and headquartered in Chongqing—a national hub for technological innovation in western China and a renowned historical and cultural city, one of the few manufacturers in the world with patented hybrid bearing technology.
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