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Metal electric diaphragm pumps DBY
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CQF Plastic Magnetic Pumps
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YZIS Diesel Single Stage Centrifugal Pumps
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Horizontal multistage centrifugal pumps type D
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Liquid ring vacuum pumps type SK
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QJ type borehole pumps
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Plastic self-priming centrifugal pumps FP and FS
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Horizontal chemical centrifugal pumps types IS and IR
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Single Stage Double Entry Centrifugal Pumps Type S
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Single screw pumps type G
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QW Non-clogging Submersible Sewage Pumps
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Vertical multistage centrifugal pumps made of stainless steel (light series) CDL and CDLF
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Gear oil pumps type KCB
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CQB Stainless Steel Magnetic Pumps
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ISW and ISWH Single Stage Horizontal Pipeline Centrifugal Pumps
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Vertical pumps for installation inside/outside tanks YZCN and YZCW
Sanitary screw pumps type GF
The GF stainless steel sanitary screw pump operates on the principle of counter-rotation of interacting elements with positive displacement. Designed to transport demanding food or pharmaceutical media, its main operating components include an eccentric screw (rotor) and a fixed bushing (stator). The unique geometric configuration of these two components creates separate, sealed chambers.
Description
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Product overview
The GF stainless steel sanitary screw pump operates on the principle of counter-rotation of interacting elements with positive displacement. Designed to transport demanding food or pharmaceutical media, its main operating components include an eccentric screw (rotor) and a fixed bushing (stator). The unique geometric configuration of these two components creates separate, sealed chambers. The medium is uniformly transported in the axial direction with low internal flow velocity and minimal noise. Constant volumetric output ensures stable pressure, preventing the formation of vortices and turbulence. As a result, the structure of the environment remains unchanged. Because the stator is made of various elastic materials, Yangguang Pump Industry screw pumps are excellent for transporting high-viscosity liquids and media containing suspended solids or fibrous substances, tasks that conventional types of pumps cannot handle. Consumption is directly proportional to rotation speed.
Product benefits
Continuous, low pulsation flow, unaffected by pressure or viscosity fluctuations.
Wide range of applications, the ability to pump both bulk and non-bulk materials.
During pumping, the medium remains unchanged, without compression or shear.
High efficiency with flow rate proportional to rotation speed, allowing flow control via frequency control.
Most liquids can be pumped with minimal agitation and pulsation.
Easy maintenance and repair combined with high pressure supply capability.
Scope of application
Oil industry: transportation of heavy oil, transportation of oil and gas mixtures, separation of oil and water, waste oil recycling systems.
Chemical and pharmaceutical industry: various pastes, emulsions, suspensions, etc.
Environmental Engineering: Transport of various wastewaters, transport of dewatered sludge, metering of flocculants and chemicals.
Mining engineering: production equipment for titanium dioxide, kaolin, calcium carbonate and similar materials.
Food industry: dairy products, fruit juices, fruit purees, vegetable sauces, beer, etc.
Pulp and paper industry: raw material processing equipment, pulping processes and wastewater treatment systems.
Performance Options
Performance parameters at fixed rotation speed:
| Model | consumption (m³/h) | Pressure (MPa) | Permissible maximum rotation speed (r/min) | Engine power (kW) | Required cavitation margin (m) | Nominal diameter of imported flange(mm) | Nominal diameter of export flange(mm) | Allowable particle diameter(mm) | Allowable fiber length (mm) |
| G20-1 | 0.8 | 0.6 | 960 | 0.75 | 4 | 25 | 25 | 1.5 | 25 |
| G20-2 | 1.2 | 1.5 | |||||||
| G25-1 | 2 | 0.6 | 960 | 1.5 | 32 | 25 | 2 | 30 | |
| G25-2 | 1.2 | 2.2 | |||||||
| G30-1 | 5 | 0.6 | 960 | 2.2 | 50 | 40 | 2.5 | 35 | |
| G30-2 | 1.2 | 3 | |||||||
| G35-1 | 8 | 0.6 | 960 | 3 | 65 | 50 | 3 | 40 | |
| G35-2 | 1.2 | 4 | |||||||
| G40-1 | 12 | 0.6 | 960 | 4 | 80 | 65 | 3.8 | 45 | |
| G40-2 | 1.2 | 5.5 | |||||||
| G50-1 | 20 | 0.6 | 960 | 5.5 | 4.5 | 100 | 80 | 5 | 50 |
| G50-2 | 1.2 | 7.5 | |||||||
| G60-1 | 30 | 0.6 | 960 | 11 | 5 | 125 | 100 | 6 | 60 |
| G60-2 | 1.2 | 15 | |||||||
| G70-1 | 45 | 0.6 | 720 | 11 | 150 | 125 | 8 | 70 | |
| G70-2 | 1.2 | 15 | |||||||
| G85-1 | 60 | 0.6 | 720 | 15 | 150 | 150 | 10 | 80 | |
| G85-2 | 1.2 | 450 | 22 | ||||||
| G105-1 | 80 | 0.6 | 400 | 22 | 200 | 200 | 15 | 110 | |
| G105-2 | 1.2 | 350 | 30 | ||||||
| G135-1 | 120 | 0.6 | 350 | 37 | 250 | 250 | 20 | 150 | |
| G135-2 | 1.2 | 280 |
Performance options for single-stage geared variable speed, variable speed variable speed electromagnetic motors and geared variable speed motors, or continuously variable speed geared variable speed motors:
| Model | Pressure0.3MPa | Pressure0.6MPa | adjustable speed | ||||||
| rotation speed (r/min) | consumption (m³/h) | Engine power (kW) | rotation speed (r/min) | consumption (m³/h) | Engine power (kW) | rotation speed (r/min) | consumption (m³/h) | Engine power (kW) | |
| G20-1 | 960 | 0.96 | 0.75-6stages/reducer | 960 | 0.8 | 0.75-6stages/reducer | 125～1250 | 0.1～1.5 | 1.1 |
| 720 | 0.8 | 0.55-8stages/reducer | 720 | 0.5 | 0.75-8stages/reducer | ||||
| 510 | 0.4 | 0.55-4stages/reducer | 510 | 0.3 | 0.75-4stages/reducer | ||||
| G25-1 | 960 | 2.4 | 0.75-6stages/reducer | 960 | 2 | 1.5-6 stages/reducer | 125～1250 | 0.1～3 | 1.5 |
| 720 | 1.5 | 0.55-8stages/reducer | 720 | 1.27 | 1.1-8 stages/reducer | ||||
| 510 | 1.08 | 0.55-4stages/reducer | 510 | 0.9 | 1.1-4 stages/reducer | ||||
| G30-1 | 960 | 3.6 | 1.5-6 stages/reducer | 960 | 3 | 2.2-6 stages/reducer | 125～1250 | 0.2～4 | 2.2 |
| 720 | 2.28 | 1.1-8 stages/reducer | 720 | 1.9 | 1.5-8 stages/reducer | ||||
| 510 | 1.63 | 1.1-4 stages/reducer | 510 | 1.35 | 1.5-4 stages/reducer | ||||
| G35-1 | 720 | 4.8 | 2.2-8 stages/reducer | 720 | 4.04 | 3-8 stages/reducer | 125～890 | 0.3～5 | 3 |
| 510 | 3.36 | 1.5-4 stages/reducer | 510 | 2.8 | 2.2-4 stages/reducer | ||||
| 380 | 1.92 | 1.1-4 stages/reducer | 380 | 1.6 | 1.5-4 stages/reducer | ||||
| G40-1 | 510 | 6.8 | 2.2-4 stages/reducer | 510 | 5.6 | 3-4 stages/reducer | 125～890 | 0.3～10 | 4 |
| 380 | 5.1 | 1.5-4 stages/reducer | 380 | 4 | 2.2-4 stages/reducer | ||||
| 252 | 2.65 | 1.1-6 stages/reducer | 252 | 2.2 | 1.5-6 stages/reducer | ||||
| G50-1 | 510 | 13.8 | 4-4 stages/reducer | 510 | 11.5 | 5.5-4 stages/gearbox | 80～750 | 1～18 | 5.5 |
| 380 | 10.2 | 4-4 stages/reducer | 380 | 7.5 | 5.5-4 stages/gearbox | ||||
| 252 | 5.6 | 3-6 stages/reducer | 252 | 4.4 | 5.5-6 stages/gearbox | ||||
| G60-1 | 510 | 20.8 | 7.5-4 stages/gearbox | 510 | 16 | 11-4 stages/reducer | 63～630 | 1～20 | 11 |
| 380 | 15.6 | 7.5-4 stages/gearbox | 380 | 12 | 11-4 stages/reducer | ||||
| 252 | 7.8 | 5.5-6 stages/gearbox | 252 | 6 | 7.5-6 stages/gearbox | ||||
| G70-1 | 510 | 26 | 11-4 stages/reducer | 510 | 20 | 11-4 stages/reducer | 56～560 | 1～22 | 11 |
| 380 | 17 | 7.5-4 stages/gearbox | 380 | 13 | 11-4 stages/reducer | ||||
| 252 | 9.1 | 7.5-6 stages/gearbox | 252 | 7 | 7.5-6 stages/gearbox | ||||
| G85-1 | 380 | 32 | 11-4 stages/reducer | 380 | 25 | 15-4 stages/gearbox | 37～370 | 2～24 | 15 |
| 252 | 21 | 7.5-6 stages/gearbox | 252 | 16 | 11-6 stages/reducer | ||||
| 189 | 11 | 5.5-8 stages/reducer | 189 | 8 | 11-8 stages/gearbox | ||||
| G105-1 | 380 | 80 | 15-4 stages/gearbox | 380 | 65 | 22-4 stages/gearbox | 29～290 | 3～50 | 22 |
| 252 | 44 | 15-6 stages/reducer | 252 | 34 | 22-6 stages/gearbox | ||||
| 189 | 29 | 11-8 stages/gearbox | 189 | 22 | 15-8 stages/gearbox | ||||
| G135-1 | 380 | 132 | 37-4stages/gearbox | 380 | 120 | 45-4stages/gearbox | 18～180 | 3～56 | 45 |
| 252 | 95 | 30-6stages/reducer | 252 | 80 | 37-6stages/gearbox | ||||
| 189 | 65 | 18.5-6 stages/gearbox | 189 | 53 | 30-8 stages/reducer | ||||
Performance parameters for two-stage systems using geared variable speed, variable speed and variable speed electromagnetic motors, or continuously variable speed and variable speed motors:
| Model | Pressure0.3MPa | Pressure0.6MPa | adjustable speed | ||||||
| rotation speed (r/min) | consumption (m³/h) | Engine power (kW) | rotation speed (r/min) | consumption (m³/h) | Engine power (kW) | rotation speed (r/min) | consumption (m³/h) | Engine power (kW) | |
| G20-1 | 960 | 0.96 | 0.75-6stages/reducer | 960 | 0.8 | 0.75-6stages/reducer | 125～1250 | 0.1～1.5 | 1.1 |
| 720 | 0.8 | 0.55-8stages/reducer | 720 | 0.5 | 0.75-8stages/reducer | ||||
| 510 | 0.4 | 0.55-4stages/reducer | 510 | 0.3 | 0.75-4stages/reducer | ||||
| G25-1 | 960 | 2.4 | 0.75-6stages/reducer | 960 | 2 | 1.5-6 stages/reducer | 125～1250 | 0.1～3 | 1.5 |
| 720 | 1.5 | 0.55-8stages/reducer | 720 | 1.27 | 1.1-8 stages/reducer | ||||
| 510 | 1.08 | 0.55-4stages/reducer | 510 | 0.9 | 1.1-4 stages/reducer | ||||
| G30-1 | 960 | 3.6 | 1.5-6 stages/reducer | 960 | 3 | 2.2-6 stages/reducer | 125～1250 | 0.2～4 | 2.2 |
| 720 | 2.28 | 1.1-8 stages/reducer | 720 | 1.9 | 1.5-8 stages/reducer | ||||
| 510 | 1.63 | 1.1-4 stages/reducer | 510 | 1.35 | 1.5-4 stages/reducer | ||||
| G35-1 | 720 | 4.8 | 2.2-8 stages/reducer | 720 | 4.04 | 3-8 stages/reducer | 125～890 | 0.3～5 | 3 |
| 510 | 3.36 | 1.5-4 stages/reducer | 510 | 2.8 | 2.2-4 stages/reducer | ||||
| 380 | 1.92 | 1.1-4 stages/reducer | 380 | 1.6 | 1.5-4 stages/reducer | ||||
| G40-1 | 510 | 6.8 | 2.2-4 stages/reducer | 510 | 5.6 | 3-4 stages/reducer | 125～890 | 0.3～10 | 4 |
| 380 | 5.1 | 1.5-4 stages/reducer | 380 | 4 | 2.2-4 stages/reducer | ||||
| 252 | 2.65 | 1.1-6 stages/reducer | 252 | 2.2 | 1.5-6 stages/reducer | ||||
| G50-1 | 510 | 13.8 | 4-4 stages/reducer | 510 | 11.5 | 5.5-4 stages/gearbox | 80～750 | 1～18 | 5.5 |
| 380 | 10.2 | 4-4 stages/reducer | 380 | 7.5 | 5.5-4 stages/gearbox | ||||
| 252 | 5.6 | 3-6 stages/reducer | 252 | 4.4 | 5.5-6 stages/gearbox | ||||
| G60-1 | 510 | 20.8 | 7.5-4 stages/gearbox | 510 | 16 | 11-4 stages/reducer | 63～630 | 1～20 | 11 |
| 380 | 15.6 | 7.5-4 stages/gearbox | 380 | 12 | 11-4 stages/reducer | ||||
| 252 | 7.8 | 5.5-6 stages/gearbox | 252 | 6 | 7.5-6 stages/gearbox | ||||
| G70-1 | 510 | 26 | 11-4 stages/reducer | 510 | 20 | 11-4 stages/reducer | 56～560 | 1～22 | 11 |
| 380 | 17 | 7.5-4 stages/gearbox | 380 | 13 | 11-4 stages/reducer | ||||
| 252 | 9.1 | 7.5-6 stages/gearbox | 252 | 7 | 7.5-6 stages/gearbox | ||||
| G85-1 | 380 | 32 | 11-4 stages/reducer | 380 | 25 | 15-4 stages/gearbox | 37～370 | 2～24 | 15 |
| 252 | 21 | 7.5-6 stages/gearbox | 252 | 16 | 11-6 stages/reducer | ||||
| 189 | 11 | 5.5-8 stages/reducer | 189 | 8 | 11-8 stages/gearbox | ||||
| G105-1 | 380 | 80 | 15-4 stages/gearbox | 380 | 65 | 22-4 stages/gearbox | 29～290 | 3～50 | 22 |
| 252 | 44 | 15-6 stages/reducer | 252 | 34 | 22-6 stages/gearbox | ||||
| 189 | 29 | 11-8 stages/gearbox | 189 | 22 | 15-8 stages/gearbox | ||||
| G135-1 | 380 | 132 | 37-4stages/gearbox | 380 | 120 | 45-4stages/gearbox | 18～180 | 3～56 | 45 |
| 252 | 95 | 30-6stages/reducer | 252 | 80 | 37-6stages/gearbox | ||||
| 189 | 65 | 18.5-6 stages/gearbox | 189 | 53 | 30-8 stages/reducer | ||||
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