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G type progressive cavity single screw pump

G type single screw progressive cavity pump is compact, small, easy to maintain, well-adapted to medium, stable flow, also with small pressure fluctuation and strong self-priming ability. Pump has metal lined with rubber stator, which is made of various elastic material, such as NBR rubber, Silicon rubber. G type screw pump could pump high viscosity fluid and medium with hard suspended solid/fiber as well. The working temperature could be high as 120°C(248°F).This pump is widely used in construction field, foodstuff and beverage industries by adopting silicon rubber stator. Pump may equip with gear box motor, electromagnetic speed adjustable motor, CVT motor, frequency inverter motor, etc.

Working principle: Single screw, progressive cavity
Pump body material: Cast iron, Stainless steel 304 or 316
Stator material: NBR, FKM, Silicone rubber
Viscosity range: 1-106cst
Max. medium temperature: 80℃(NBR, Silicone rubber) / 100℃(FKM)
Flow rate: 0.8 - 150m3
Discharge pressure: 0.6Mpa(-1type) / 1.2Mpa(-2type) 
Caliber: DN25 - 250mm
Caliber connection type: Flange
Seal: Packing seal, Mechanical seal
Motor power: 0.75 - 90KW
Motor specification: 110/115/220/230v single phase,
220/240/380/400/415/440v, 3phase, 50/60Hz, etc
Motor type: Continuously variable transmission motor,
Variable frequency motor, Electromagnetic motor,
Gearbox motor, Explosion proof motor
Main application Slurry, Silt, Filter Press system, etc
Customized service Trolley, Variable speed, Hopper, Screw propeller, etc


Model Capacity
(m3/h)
Pressure
(MPa)
Speed
(r/min)
Motor power
(KW)
Head
(m)
(NPSH)r
(m)
Inlet
(mm)
Outlet
(mm)
Max grain diameter
(mm)
Max fiber length
(mm)
G20-1 0.8 0.6 960 0.75 60 4 25 25 1.5 25
G20-2 1.2 1.5 120
G25-1 2 0.6 960 1.5 60 40 32 2 30
G25-2 1.2 2.2 120
G30-1 5 0.6 960 2.2 60 50 40 2.5 35
G30-2 1.2 3 120
G35-1 8 0.6 960 3 60 65 50 3 40
G35-2 1.2 4 120
G40-1 12 0.6 960 4 60 80 65 3.8 45
G40-2 1.2 5.5 120
G50-1 20 0.6 960 5.5 60 4.5 100 80 5 50
G50-2 1.2 7.5 120
G60-1 30 0.6 960 11 60 5 125 100 6 60
G60-2 1.2 15 120
G70-1 40 0.6 720 11 60 150 125 8 70
G70-2 1.2 18.5 120
G85-1 65 0.6 630 15 60 150 150 10 80
G85-2 1.2 30 120
G105-1 100 0.6 500 30 60 200 200 15 110
G105-2 1.2 55 120
G135-1 150 0.6 400 45 60 250 250 20 150
G135-2 1.2 90 120
 
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