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3/24/26 6:14 GMT
Nsrh150 Tri-Lobe Roots Blower/Easy to Manufacture
Greentech International (Zhangqiu) Co., Ltd is the professional roots blower supplier. The NSRH type clover spiral Roots blower on the basis of the manufacture and sale of a Roots blower for many years the development of new products using new technology. The machine through the use of new lines on the impeller, the overall adiabatic efficiency and volumetric efficiency is further improved, and is excellent particularly in the fan of the air volume and pressure characteristics. So-called excellent efficiency is the amount of heat generation of the wind turbine itself is reduced, i. e. The temperature rise dropped, the various models using the exhaust pressure in the dry state is up to 1kgf/cm2. Application: Mainly used in sewage treatment (aeration), powder conveyor (cement, feed, etc. ), combustion furnace, washing, vacuum packaging. Features of Series NSRH Tri-Lobe Roots Blower: 1. Each model has a performance table and standard specification, easy to select fan model; 2 Including attachments, fan body to standardize. Mass production system, to be able to meet your requirements at any time; 3. Because there are good helix structure, and using the same fan matching a muffler with a silent air cleaner, the operating noise of the fan is much lower than in the past; 4. Rotor is fully machining precision products. Has been made in the manufacture of the complete dynamic balance, almost no vibration. 5. To take a small design, small mounting area. Model NO. Nsrh150 Pressure Low Pressure Color Blue Impeller Tri-Lobe< , br>Connect Belt Drive Motor Transport Package Wooden Case Specification NSRH150 Trademark g , reentech Origin China HS Code 8414 Production Capacity 1000sets/Months Minimum Order: 1 bags Contact:
Phone: Fax: Email: Greentech International (Zhangqiu) Co.,Ltd
China Jinan Shandong China Postal Code China 3/5/26 2:40 GMT
C50-1.6 Series High Flow Multi-Stage Centrifugal Blower/ Air Pump
Greentech International (Zhangqiu) Co., Ltd is the professional blower supplier. Multistage Centrifugal Blower has the advantage that capacity is easy removed, so is widely used in sewage waste water treatment, metal, chemical etc. The profile curve of rotor is advanced, As a result, the effciency of blower is up to 80%. Integrated welded horizontal split type is applied to casing and return channel; which makes the blower lighter and simple.As far as weight, only 1/3-1/2 of other similar product. Casting aluminum alloy is adopted to impeller.After strict dynamic balance,low vibration,low noise, longworking life and high reliability is attained. The structure is advanced.Easy-worn parts are few.Installation, operation and maintenace is convenient. Adjusting capacity is convenient At the specified pressure, the blower has the wide range of capacity, so it can be applied in varied conditions. The blower is attached with anchor bolts, coupling and protective cover. Motor, electric controler, bend pipe,flexible connectiong,suction and discharge silencer, the common base of moter, filter, non-return valve, relief valve, adjustable calve and noise insulator are supplied. Special requirements, if any, please contact with our technique department. Features of Centrifugal Blower: 1. The profile curve of impeller is advanced. As a result, the efficiency of blower is up to 80%; 2. The casing and return channel, which makes the blower lighter and simple, the performance of blower is steady and reliable; 3. After strict dynamic balance, impeller is low vibration, low noise, long working life and high reliability is attained; 4. The structure is advanced. Easy-worn parts are few. Installation, operation and maintenance is convenient; 5. Adjust capacity is convenient. At the specified pressure, the blower has the wide range of capacity, so it can be applied in varied conditions; 6. The product mainly used in the fields of sewage waste water treatment, coal separation, furnace boasting, electricity plant and oil refinery, and even transport other innocuous, non-corrosive gas Model NO. C50-1.6 Pressure Low Pressure Color Blue Drive Motor Con , nect Direct Model No. C Series Transport Package Wooden Case Specification C series Trademark greentech Origin Chin , a HS Code 8414 Production Capacity 1000sets/Months Minimum Order: 17829 Contact:
Phone: Fax: Email: Greentech International (Zhangqiu) Co.,Ltd
China Jinan Shandong China Postal Code China 2/12/26 2:07 GMT
Lz055b80 Maglev Turbo Blower/Oil-Free Maglev Centrifugal Turbo Blower Alter
constituent: The impeller of magnetic suspension centrifugal fan is driven by direct connection between AL7075 impeller and motor. The efficiency of impeller can reach 92% and the service life of impeller can reach more than 20 years. The adjustable range of the fan can reach 45%~100%, and the working range is very wide. Using the leading ultra-high speed permanent magnet synchronous motor technology, high-speed operation can be realized, and the efficiency of the motor can reach 97.9%. The permanent magnet synchronous motor is equipped with a speed regulating device consisting of a high-performance high-speed real-time digital controller. The system has the advantages of simple control, energy saving, stable speed and low noise. Permanent magnet synchronous motor is mainly characterized by convenient speed regulation, wide speed regulation range, stable operation, low noise and high efficiency. The speed range is large, the service life is much longer than that of traditional motors, and it can meet the speed requirements in various operating modes. integrated magnetic suspension bearing, high speed permanent magnet synchronous motor, high efficiency flow parts, special control system and a series of advanced technologies, high efficiency and energy saving of the whole machine.Compared with traditional Roots blower, the efficiency is increased by 30%~40%.Taking 160kW maglev blower as an example, each one can save more than 500,000 degrees of electricity per year compared with the traditional Roots blower, and the cost can be recovered in about 1 to 2 years. Model NO. Lz055b80 Flow Direction Centrifugal Pressure High Pressure Color Blue Installed Power 55 Lubricating Medium No Type of Motor Maglev Turbo Blower Transport Package Wooden Case Specification LZ Trademark Greent , ech Origin China HS Code 8414 Production Capacity 5000pieces/Month Minimum Order: 1 bags Contact:
Phone: Fax: Email: Greentech International (Zhangqiu) Co.,Ltd
China Jinan Shandong China Postal Code China 1/16/26 1:41 GMT
Lz40 Air Suspension Centrifugal Blower/High Efficiency
Air Suspension Bearing: Air suspension bearings use air buoyancy instead of lubricating oil, and use the surrounding air instead of lubricating oil, so they can operate at higher temperatures and high speeds. The advantages of air suspension bearings are flexible start-up and low-cost operation, no mechanical friction, no lubricating oil, no vibration, low noise, and long life. When the blower starts, the bearing is in contact with the shaft, and when it reaches the take-off speed, the bearing and the shaft are non-contact, frictionless, and the rotor is in a suspended state. Widely used in aeration, pressurization, gas transportation, drying extraction, purification, vacuum packaging, solution recovery, gas phase separation and other processes in various industries Performance characteristics: 1. High efficiency and energy saving More than 30% power saving than traditional Roots blower More than 20% power saving than multi-stage centrifugal fans More than 10% power saving than single-stage high-speed fan 2. Maintenance-free Skid-mounted structure, no need to install the foundation. Daily work only needs to replace the filter and is basically maintenance-free. 3. Low noise No mechanical noise, active sound insulation of the cabinet, the overall operating noise is about 80dB. Model NO. Lz40 Pressure High Pressure Color Blue Shaft Power(Kw) 35 The Power of The Whole Machine(Kw) 40 Weight 380kg Transport Package Wooden Case Specification LZ Trademark Greent , ech Origin China HS Code 8414 Production Capacity 5000pieces/Month Minimum Order: 1 bags Contact:
Phone: Fax: Email: Greentech International (Zhangqiu) Co.,Ltd
China Jinan Shandong China Postal Code China 12/4/25 2:36 GMT
Zbk16 Series Roots Vacuum Pump/Vacuum Pump
ZBK series roots vacuum pump is a kind of coarse vacuum acquisition of equipment, it is widely used in papermaking, paper holder, paper pulp molding, chemical industry, medicine, building materials, food, clothing, sugar and other industries, is paper industry slotted network of suction box or long nets paper machine net of suction box vacuum dewatering ideal equipment. In this range ZBK series roots vacuum pump and water ring vacuum pump, which was compared pumping speed, high efficiency, compact structure, small volume, convenient maintenance, long service life, low power consumption. Suction medium for dry, wet air or water mixture, but to be contained in the medium granular material, high dust gas or corrosive substances. Machine this department by motor through the triangle pulley drive active rotor rotation, and through the synchronous gear drive driven gear drive driven rotor rotation, the two rotor mutual contact, and keep the 0.4 mm or so clearance quantity. Rotor and pump body and plate respectively between keep 0.25 mm or so clearance quantity. In the process of operation, in the pump cavity lower, because the two rotor continuous separation, cause volume expansion, on the top because of two rotor continuous tap into cause volume contraction, thus completing suction, exhaust gas, and the effect of the suction side vacuumize, and exhaust side and atmospheric conduction, close to the atmosphere. Pump body export has a sound attenuation box, and at the same time a stable pressure, sealing action to improve the pump efficiency. Minimum Order: 1 bags Contact:
Phone: Fax: Email: Greentech International (Zhangqiu) Co.,Ltd
China Jinan Shandong China Postal Code China 11/8/25 11:47 GMT
rotary piston pump model H-150
rotary piston pump model H-150 Specifications Power: 11kw/15kw Capacity: 150L/S Motor voltage: 380V, 50HZ, 3phase (Different voltage and frequency can be provided according to client requirements) Applications: vacuum coating, vacuum heat treatment, vacuum impregnation, vacuum smelting, vacuum metallurgy, vacuum drying, molecular distillation, simulation experiments in aviation, aerospace, and related fields, mono crystal furnace, etc. Remark: we also supply side channel blower, centrifugal fan, rotary vane vacuum pump, dry scroll vacuum pump, rotary piston vacuum pump, diaphragm pump, reciprocating pump, molecular pump, oil diffusion pump, etc. Minimum Order: 1 bags Contact:
Phone: Fax: Email: Doctor Pump Limited
24/F, HO KING COMM CTR, 2-16 FAYUEN ST, MONG KOK HONG KONG 999077 China 11/8/25 11:45 GMT
diaphragm pump QBY3 series
diaphragm pump QBY3 series Features Simple structure, easy to use High flow rate (flow rate up to 1000 L/min) Stable air flow Low noise No oil lubrication Material can be made of aluminum, cast steel, PP plastic, fluoro plastic, stainless steel, ductile iron, etc. Both air diaphragm pump and electric diaphragm pump are available. Applications Food, oil & gas, water treatment, coating, automobile manufacturing, chemical transfer, etc. Remark: we also supply side channel blower, centrifugal fan, rotary vane vacuum pump, dry scroll vacuum pump, rotary piston vacuum pump, diaphragm pump, reciprocating pump, molecular pump, oil diffusion pump, etc. Minimum Order: 1 bags Contact:
Phone: Fax: Email: Doctor Pump Limited
24/F, HO KING COMM CTR, 2-16 FAYUEN ST, MONG KOK HONG KONG 999077 China 11/8/25 11:43 GMT
SVF-5 dry scroll vacuum pump
SVF-5 dry scroll vacuum pump Features This pump has all the advantages of traditional dry scroll pumps. Top-seal-free design eliminates PTFE abrasion particles and eliminates the need for periodic seal replacement. Virtually no wearing parts, requiring no routine maintenance, long service life. Operates reliably across a wider ambient temperature range (traditional scroll pumps only run between 12-40°C). High sealing performance. It can achieve higher vacuum. Capacity is stronger near ultimate vacuum. Exceptional reliability with robust handling of water vapor, alcohol, acetone, and similar substances. Delivers clean vacuum through oil-free operation, preventing environmental contamination. Operates in any spatial orientation with no installation restrictions. Specifications Capacit , y: 5 L/min Power: ≤20 W Motor type: brushless DC motor Motor voltage: 12 V Motor speed: 3600 RPM Cooling: air cooling Working temperature: -20 ℃ to 40 ℃ Applications Portable mass spectrometer Gas sampling Biological culture dishes Laboratory Fluorescence spectrometer Analytical instruments Environmental science Metallurgical smelting Gas transfer Remark: we also supply side channel blower, centrifugal fan, rotary vane vacuum pump, dry scroll vacuum pump, rotary piston vacuum pump, diaphragm pump, reciprocating pump, molecular pump, oil diffusion pump, etc. Minimum Order: 1 bags Contact:
Phone: Fax: Email: Doctor Pump Limited
24/F, HO KING COMM CTR, 2-16 FAYUEN ST, MONG KOK HONG KONG 999077 China 11/8/25 11:42 GMT
BSV90 double stage rotary vane vacuum pump
BSV90 double stage rotary vane vacuum pump Features and advantages This vacuum pump is compact, low noise, high speed, convenient start- up which is designed for reliable, long-term operation in both laboratory and industrial environments. 1.The use of non-spring rotary vane to avoid pump stoppage faults caused by spring breakage. 2.With built-in forced fed oil type, stable air exhaust performance can be achieved during continuous operation near the atmospheric pressure. 3.Adopt an hydraulic oil anti-sucking back system. Specifications Motor power: 3.7 kw Capacity: 90 m³/h (under 50HZ), 108m³/h (under 60HZ) Ultimate pressure: 2 Pa (with gas ballast valve open), 50*10-1 Pa (with gas ballast valve closed) Motor voltage: 380V, 50HZ, 3phase (Different motor voltage and frequency can be made according to requirements) Oil capacity: 2.5-4.2 liter Net weight: 101 kg Remark: we also supply side channel blower, centrifugal fan, rotary vane vacuum pump, dry scroll vacuum pump, rotary piston vacuum pump, diaphragm pump, reciprocating pump, molecular pump, oil diffusion pump, etc. Minimum Order: 1 bags Contact:
Phone: Fax: Email: Doctor Pump Limited
24/F, HO KING COMM CTR, 2-16 FAYUEN ST, MONG KOK HONG KONG 999077 China 11/8/25 11:39 GMT
oil less vacuum pump model AP-1400V
oil less vacuum pump model AP-1400V Features: Low noise Light size Beautiful appearance Simple structure Easy maintenance No oil and gas Specifications: Motor voltage and frequency: 220V/50HZ Motor protection class: B Power: 450W Max air flow: 7.2m³/h (120L/min) Max vacuum: -700mmHg (-92kpa) Net weight: 8.5kg Size (L*W*H): 244*128*186.3 mm Noise: ≤58dB(A) Ambient temperature: 5-40℃ Cold insulation resistance: ≥100MΩ Air inlet and outlet thread: 1/4-19PT Applications Medical equipment Printing equipment Packaging equipment Food equipment Beauty and slimming equipment Environmental protection equipment Experimental instruments and automated electronic and electrical equipment Dental & optical equipment Blood & laboratory analyzers Laboratory air dryers Aspirators Respirators Vacuum frames Purging systems Vacuum clamps Remark: we also supply side channel blower, centrifugal fan, rotary vane vacuum pump, dry scroll vacuum pump, rotary piston vacuum pump, diaphragm pump, reciprocating pump, molecular pump, oil diffusion pump, etc. Minimum Order: 1 bags Contact:
Phone: Fax: Email: Doctor Pump Limited
24/F, HO KING COMM CTR, 2-16 FAYUEN ST, MONG KOK HONG KONG 999077 China 11/8/25 10:53 GMT
air pump model ZYBW80E
air pump model ZYBW80E Specifications: Power: 2.2/3kw Capacity: 80m³/h Vacuum: -60kpa Motor voltage: 380V, 50HZ, 3phase (different motor voltage and frequency can be made according to requirements) Application: printing machinery Remark: we also supply side channel blower, centrifugal fan, rotary vane vacuum pump, dry scroll vacuum pump, rotary piston vacuum pump, diaphragm pump, reciprocating pump, molecular pump, oil diffusion pump, etc. Minimum Order: 1 bags Contact:
Phone: Fax: Email: Doctor Pump Limited
24/F, HO KING COMM CTR, 2-16 FAYUEN ST, MONG KOK HONG KONG 999077 China 10/11/25 9:26 GMT
China Supplier 2BV Series Electric Sugar Processing Liquid Ring Vacuum Pump
2BV single-stage vacuum pump simultaneously achieves vacuum extraction and gas compression within a single unit. This equipment attains an ultra-high ultimate vacuum level of 97% and employs an isothermal compression design, enabling safe extraction of flammable and explosive gases without generating hot spots. Consequently, it is progressively replacing outdated vacuum equipment in industries such as electronics, chemicals, pharmaceuticals, and metallurgy. Minimum Order: 1 bags Contact:
Phone: Fax: Email: Shenghui Pump
Hebei, Cangzhou, China Hebei 050000 China 11/25/24 2:43 GMT
NSRH300 Three Lobe roots Blower
Standard color Blue Speed 1480r/min Pressure Rise 63.7kpa Capacity 134.1m³/min Motor 380V Motor frequency 50HZ or 60HZ Shaft Power 177.8KW Motor Power 200KW Accessories Inlet silencer with filter, outlet silencer, etc. Unit Maximem Wighet 2980~3998kg Customized support OEM Customized support ODM Application Air Blower Pressure High Pressure Power Source Electric Blower Place of Origin CN;SHN Rated Voltage 380V Brand Name Greentech Model Number NSRH Price USD12670 Greentech International (Zhangqiu) Co.,Ltd Tel:+86-531-83117088, 83270018 What , sApp (WeChat): +86-13869171699 Skype: guanglin_jiang Email: greentech@vip.163.com & , lt; , br>Http://www.greentechblower.com Minimum Order: 1 bags Contact:
Phone: Fax: Email: Greentech International (Zhangqiu) Co.,Ltd
China Jinan Shandong China Postal Code China 11/25/24 2:42 GMT
Stainless Steel NSRH250 Three Lobe roots Blower Aeration Aquaculture Indus
Standard color Blue Speed 1480r/min Pressure Rise 78.4kpa Capacity 93.2m³/min Motor 380V Motor frequency 50HZ or 60HZ Shaft Power 145.6KW Motor Power 160KW Accessories Inlet silencer with filter, outlet silencer, etc. Unit Maximem Wighet 3998kg Customized support OEM Customized support ODM Application Air Blower Pressure High Pressure Power Source Electric Blower Place of Origin CN;SHN Rated Voltage 380V Brand Name Greentech Model Number NSRH Price USD11225 Greentech International (Zhangqiu) Co.,Ltd Tel:+86-531-83117088, 83270018 What , sApp (WeChat): +86-13869171699 Skype: guanglin_jiang Email: greentech@vip.163.com & , lt; , br>Http://www.greentechblower.com Minimum Order: 1 bags Contact:
Phone: Fax: Email: Greentech International (Zhangqiu) Co.,Ltd
China Jinan Shandong China Postal Code China 11/25/24 2:41 GMT
NSRH200 Three Lobe roots Blower
Standard color Blue Speed 1480r/min Pressure Rise 73.5kpa Capacity 56.71m³/min Motor 380V Motor frequency 50HZ or 60HZ Shaft Power 96.72KW Motor Power 110KW Accessories Inlet silencer with filter, outlet silencer, etc. Unit Maximem Wighet 1934kg Customized support OEM Customized support ODM Application Air Blower Pressure High Pressure Power Source Electric Blower Place of Origin CN;SHN Rated Voltage 380V Brand Name Greentech Model Number NSRH Price USD7660 Greentech International (Zhangqiu) Co.,Ltd Tel:+86-531-83117088, 83270018 What , sApp (WeChat): +86-13869171699 Skype: guanglin_jiang Email: greentech@vip.163.com & , lt; , br>Http://www.greentechblower.com Minimum Order: 1 bags Contact:
Phone: Fax: Email: Greentech International (Zhangqiu) Co.,Ltd
China Jinan Shandong China Postal Code China SOURCE: Import-Export Bulletin Board (https://www.imexbb.com/)
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