Melt pump and screen changer

Product introduction

Rubber pump for elastomer and easily degradable plastic extrusion system, this type of pump is with a special internal structure, with efficient self-cleaning function, suitable for the extrusion of compounding generally installed in the extruder outlet and die for pressurizing and metering.

Main application range

PVC, BR, CR, EPDM, NBR, SBR, natural rubber, other degradable materials.

Main features:

1) Can be applied to high pressure (40MPa), high viscosity (40,000Pa·s) working conditions;
2) High finish, almost mirror, suitable for heat-sensitive materials;
3) Precise structure, high temperature control accuracy.
4) Optimize the flow path and lubrication system, with efficient self-cleaning function, no residual materials, no dead corners.

Technical parameters

Viscosity of conveying medium: 1 ~ 40000Pa·s (1,000 ~ 40,000,000cP)
Inlet pressure: 0 ~ 30MPa
Outlet pressure: 0 ~ 40MPa
Pressure difference up to 25MPa
Operating temperature: ≤350℃

Main structure

Pump body: nitriding steel tool steel inner flow channel for mirror treatment
Gear: Tooth shape straight teeth or helical teeth tool steel/special alloy for mirror finish
Shaft sleeve: tool steel/special alloy
Heating method: circulating water heating
Cooling method: shaft end cooling system
Shaft: Double shaft drive with water cooling
Shaft seal: spiral discharge outer
Specifications/Flow range: 31.5CC-800CC

Melt pump application case

Installation mode

The X series melt pump can be installed in a variety of ways, and the input shaft of the pump can be arranged horizontally or vertically (up and down); The drive system generally includes: motor, reducer, universal coupling, pump connector, reducer connection, etc.;
The complete set of equipment includes melt pump, inlet and outlet connection, drive system, control system, etc. Customers can choose according to the specific situation               

Specify

1. The output of melt gear pump is related to material viscosity, temperature, working pressure and speed, please consult the manufacturer for specific selection.
2. Pump selection needs to provide: pump front equipment name, output, material type, whether corrosive (and special characteristics), working temperature, viscosity, import and export pressure value.
3. Please contact the manufacturer for special customization requirements.
4. Consult the manufacturer if the export is greater than 40MPa.