G-type sanitary screw pump

Can transport food or pharmaceutical media with high medium requirements

Product Introduction

• The G series single screw pump is a new type of pump that works according to the principle of rotary meshing displacement. The main working components are eccentric screw (rotor) and fixed liner (stator).
• A separate sealed chamber, where the medium flows uniformly in the axial direction, with low internal flow velocity, low noise, constant volume, and stable pressure. Therefore, there will be no vortex or agitation, and the medium will not be damaged by its inherent structure.
• Due to the use of various elastic materials for the stator, Huaxiang screw pumps have characteristics that general pump types cannot handle for the transportation of high viscosity fluids and media containing hard suspended particles or fiber media.
• Its flow rate is proportional to the rotational speed.

 

Advantage

• Continuous low pulsation conveying, unaffected by pressure and viscosity fluctuations.
• Widely applicable, capable of conveying both flowing and non flowing materials.
• The medium will not be stirred, squeezed or sheared during the pumping process.
• High efficiency, the conveying capacity is proportional to the speed, and the conveying capacity can be adjusted by frequency conversion.
• Most liquids can be pumped with minimal agitation and pulsation.
• Easy to maintain and repair, with high-voltage transmission capability.

scope of application

• Petroleum industry: heavy oil transportation, oil and gas mixed transportation, oil-water separation, and waste oil recovery systems.
• Chemical and pharmaceutical industries: various pastes, emulsions, suspensions, etc.
• Environmental engineering: various sewage transportation, dewatering sludge transportation, metering and dosing of coagulants and their chemical agents, etc.
• Mineral engineering: production equipment for titanium dioxide, kaolin, calcium carbonate, etc.
• Food industry: dairy products, fruit juice, puree, vegetable sauce, beer, etc.
• Paper industry: raw material equipment, pulp making, and wastewater treatment, etc.

 

Material comparison

Comparison of Corrosion Resistance of Four Pump Body Materials:

Cast iron<Stainless steel 304<Stainless steel 316<Stainless steel 316L

 

Selection of stator material

According to the properties of the liquid medium you are conveying, choose different materials for the stator

Natural rubber

Excellent wear resistance. The corrosion resistance is average, and it will swell when encountering some gasoline,

Nitrile rubber

Good oil resistance, moderate corrosion resistance, strong compatibility, and can be applied to most general liquid and fluid media.

EPDM rubber

High temperature resistance, wear resistance, moderate corrosion resistance, suitable for liquid and fluid media with high temperature and wear resistance

Fluororubber

Good corrosion resistance, moderate wear resistance, suitable for acid-base chemical fluid media with general corrosiveness

silicone rubber

Strong isolation, excellent corrosion resistance, food grade hygiene grade, suitable for industries such as food, pharmaceuticals, and laboratories,

 

 

 

 

 

 

Selection of motor types

Choose different types of motors based on the viscosity of the medium and the flow rate you require

Standard motor

1. 960 RPM constant speed motor
2. Motors of level 6 or 8
3. Non variable frequency use

gear motor

1. Customizable rotational speed
2. Fixed rotational speed
3. High viscosity or fluidity

Poor liquids require the use of reducers

Continuously variable speed motor

1. Fixed speed adjustment
2. Practical and low failure rate
3. Monitor the specific speed at any time

Variable frequency motor

1. Low failure rate and high torque
2. It can be done through a frequency converter
3. Adjust Hertz while adjusting speed

 

performance parameter

 

 

Model	Flow	Pressure	Motor Power	Speed	Import	Export
	(m³/h)	(MPa)	(kW)	(r/min)	(mm)	(mm)
G20-1F	0.8	0.6	0.75	960	25	25
G20-2F	0.8	1.2	1.5	960	25	25
G25-1F	2	0.6	1.5	960	32	25
G25-2F	2	1.2	2.2	960	32	25
G30-1F	5	0.6	2.2	960	50	40
G30-2F	5	1.2	3	960	50	40
G35-1F	8	0.6	3	960	65	50
G35-2F	8	1.2	4	960	65	50
G40-1F	12	0.6	4	960	80	65
G40-2F	12	1.2	5.5	960	80	65
G50-1F	20	0.6	5.5	960	100	80
G50-2F	20	1.2	7.5	960	100	80
G60-1F	30	0.6	11	960	125	100
G60-2F	22	1.2	11	720	125	100
G70-1F	38	0.6	11	720	150	125

 

 

explain:

• The above performance parameters are the test data obtained during the room temperature water test.
• For different media and speeds, performance parameters will vary, with flow rate values inversely proportional to concentration and viscosity, and directly proportional to speed.
• Users must choose the type of pump based on usage requirements, the condition of the conveying medium, and selection principles, or consult with Huaxiang Pump Industry customer service to determine the type of pump.