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High Quality Melt Gear Pump for Plastic Extrusion Machine
GM-ME Series Melt Gear Pump
**Model NO.:** GM-ME series
**Scope of Application:** PS, PP, PET, PVC, PC, PMMA, PA, ABS, PE-LD, etc.
**Application:** Transportation, Pressurization, or Metering
**Heating Method:** Electric Rod Heating
**Outlet Pressure:** ≤40MPa (6000 Psi)
**Trademark:** Gmach
**Transport Package:** Seaworthy Packaging
**Specification:** SGS, CE
**Origin:** Zhengzhou
**HS Code:** 8421299090
The GM-ME series melt gear pump is specifically designed for thermoplastic extrusion processes, such as sheet, plate, tube, and film industries that require a stable extrusion pressure and flow system. It is installed between the extruder and die head as a metering pump. This series of melt pumps features a special gear structure and flow design to ensure the stability of outlet pressure and flow rate.
**Key Features of GM-ME Series Extrusion Melt Gear Pump for Plastic Extruders:**
- Minimal melt flow pressure pulsation, enabling linear output suitable for precise extrusion systems.
- Capable of operating under high temperature (350°C), high pressure (40 MPa), and high viscosity (40,000 Pa·s) extrusion conditions.
- Precise structure with high precision and long service life.
**Main Functions of This Extrusion Melt Gear Pump:**
- Significantly improve the pressure stability of the extrusion die, enhancing product quality.
- Enable linear melt flow output, making it easier to control.
- Increase extrusion output and production efficiency.
- Reduce load, save energy, and lower costs.
**Technical Data:**
- Viscosity: 1~40000 Pa·s (1,000~40,000,000 cP)
- Suction Pressure: 0~30 MPa
- Discharge Pressure: 0~40 MPa
- Differential Pressure: 25 MPa
- Temperature: ≤350°C
- Heating: Electric
**Application Fields:**
- For Processing: PET, PBT, PA6, PA66, PA12, LDPE, LLDPE, HDPE, HMWPE, PP, EVA, PB, PS, HIPS, ABS, SAN, PC, PES, PMMA, POM, TPU, and other high-viscosity polymers.
**Structure of GM-ME Series Melt Gear Pump:**
- Rotor Type: Helical Cylindrical Gear
- Heating Method: Electric Heating
**Optional Choices:**
- Adapters
- Support Stands
- Upstream Equipment: Screen Changer, Filter Mesh, Vacuum Cleaning Furnace
**Packaging & Shipping:**
- Inner Packaging: Bubble Protection Wrap Film
- Outer Packaging: Wooden Case
- Shipping: Sea or Air, as per customer request
**About Gmach:**
Zhengzhou Great Machinery Co., Ltd. is a high-tech company based in China with a strong technical background and a dedicated team. Our global team is committed to providing competitive solutions to our customers. We specialize in hydraulic screen changers, melt filters, melt gear pumps, extrusion dies, and plastic recycling granulators.
Gmach is a rapidly growing company with experienced technicians and passionate young professionals. Our deep technical knowledge and sense of responsibility place us on a high starting point. We don't just supply products—we offer value-added solutions to customers worldwide. In doing so, we help manufacturers around the world improve productivity, reduce costs, increase energy efficiency, eliminate scrap, and shorten cycle times.
Our team is committed to delivering the best products with continuous design improvements. We maintain strict production and quality control, along with excellent pre-sales and after-sales services. We are striving to become your most reliable and trustworthy partner now more than ever.
**Product Specifications Table:**
| Type | Volume (cc/r) | Max Rotatory Speed (r/min) | Outlet Pressure (MPa) | Inlet Pressure (MPa) | Flow Rate (L/h) – Low Viscosity (1–1000 Pa·s) | Flow Rate (L/h) – High Viscosity (1000–8000 Pa·s) | Flow Rate (L/h) – Ultra-High Viscosity (≥8000 Pa·s) | Temperature |
|--------------|---------------|----------------------------|------------------------|-----------------------|-----------------------------------------------|--------------------------------------------------|----------------------------------------------------|-------------|
| GM-ME-05 | 5.0 | 100 | ≤35 | 0~30 | ≤20 | ≤12 | ≤8 | ≤350°C |
| GM-ME-07.5 | 7.5 | 100 | ≤35 | 0~30 | ≤20 | ≤18 | ≤10 | |
| GM-ME-10 | 10 | 100 | ≤35 | 0~30 | ≤20 | ≤25 | ≤15 | |
| GM-ME-20 | 20 | 90 | ≤35 | 0~30 | ≤80 | ≤40 | ≤24 | |
| GM-ME-31.5 | 31.5 | 90 | ≤35 | 0~30 | ≤150 | ≤80 | ≤42 | |
| GM-ME-50 | 50 | 80 | ≤35 | 0~30 | ≤220 | ≤120 | ≤70 | |
| GM-ME-75 | 75 | 80 | ≤35 | 0~30 | ≤280 | ≤180 | ≤90 | |
| GM-ME-100 | 100 | 80 | ≤35 | 0~30 | ≤350 | ≤230 | ≤120 | |
| GM-ME-160 | 160 | 80 | ≤35 | 0~30 | ≤550 | ≤350 | ≤175 | |
| GM-ME-200 | 200 | 80 | ≤35 | 0~30 | ≤700 | ≤450 | ≤250 | |
| GM-ME-250 | 250 | 80 | ≤35 | 0~30 | ≤800 | ≤600 | ≤300 | |
| GM-ME-355 | 355 | 80 | ≤35 | 0~30 | ≤1000 | ≤750 | ≤350 | |
| GM-ME-500 | 500 | 60 | ≤35 | 0~30 | ≤1500 | ≤1000 | ≤500 | |
| GM-ME-750 | 750 | 60 | ≤35 | 0~30 | ≤1850 | ≤1500 | ≤750 | |
| GM-ME-1000 | 1000 | 60 | ≤35 | 0~30 | ≤3000 | ≤2000 | ≤1000 | |
| GM-ME-1600 | 1600 | 50 | ≤35 | 0~30 | ≤4000 | ≤3000 | ≤1500 | |
| GM-ME-2500 | 2500 | 50 | ≤35 | 0~30 | ≤6000 | ≤4500 | ≤2200 | |
| GM-ME-3150 | 3150 | 50 | ≤35 | 0~30 | ≤7000 | ≤5200 | ≤2600 | |
| GM-ME-4000 | 4000 | 40 | ≤35 | 0~30 | ≤8000 | ≤6000 | ≤3000 | |
**Remark:** The melt gear pump flow is related to work speed, material viscosity, and pressure. Please consult us for model selection.