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  4. DEX gear pump for extrusion molding machine (EXTRUSION PUMP) GPHDC (high pressure discharge type) (Ryu Manufacturing and Automation Gears Co., Ltd.)
DEX gear pump for extrusion molding machine (EXTRUSION PUMP) GPHDC (high pressure discharge type)-GPHDC (high pressure discharge type)
DEX gear pump for extrusion molding machine (EXTRUSION PUMP) GPHDC (high pressure discharge type)-Ryu Manufacturing and Automation Gears Co., Ltd.

DEX gear pump for extrusion molding machine (EXTRUSION PUMP) GPHDC (high pressure discharge type)
Ryu Manufacturing and Automation Gears Co., Ltd.

About This Product

By installing a DEX gear pump on an extrusion molding line, pressure fluctuations at the die can be minimized and resin temperature rise can be suppressed. By having the gear pump take charge of the pressure boosting function, the extruder can be specialized for kneading and melting functions, which not only improves the overall efficiency of the extrusion line (energy saving) and improves the quality of the final product. , reducing the burden on the extruder and extending the life of the equipment. DEX gear pumps are available with options such as GP (standard type), HP (high pressure type), DC gear pump (discharge type) suitable for resins that are sensitive to heat and shear, and J gear pump (with jacket) for controlling heat medium temperature. . Gear pumps for hard PVC and gear pumps for rubber (parallel gear teeth) have also been designed and production has begun. By optimizing the pump shape based on Watanabe's theory, the DEX gear pump designed by our company has made it possible to improve volumetric efficiency by more than 20%, especially under operating conditions where the pressure increase exceeds 120 Bar. DEX gear pumps are compatible with direct replacement of all gear pumps, including those that are no longer manufactured.

■DEX Features

The DEX gear pump designed by us can operate with very stable and high volumetric efficiency. Therefore, even if the pressure increases from 100bar to 160bar, the discharge fluctuation is kept to a few percent. Also, the pressure required on the suction side is about 20 to 30 Bar. Gear pump pursuing high volumetric efficiency (Target: Olefin resins such as PE and PP, and resins whose viscosity rapidly decreases with high rare sheets such as PS) Compatible with high viscosity resins - We accept various customer requests. (Adopts various flange shapes, materials, coatings, sensor hole processing)

■Material

Housing: Alloy steel, Shaft seal: Alloy steel Labyrinth seal, Gear shaft: Tool steel, Heating method: Cartridge heater Heat transfer jacket, Bearing: Tool steel Special processing

  • Product

    DEX gear pump for extrusion molding machine (EXTRUSION PUMP) GPHDC (high pressure discharge type)

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1 Models of DEX gear pump for extrusion molding machine (EXTRUSION PUMP) GPHDC (high pressure discharge type)

Image Part Number Price (excluding tax) Applicable Operating temperature Viscosity Boosting Suction pressure Inlet Mounting flange Size
DEX gear pump for extrusion molding machine (EXTRUSION PUMP) GPHDC (high pressure discharge type)-Part Number-GPHDC (high pressure discharge type)

GPHDC (high pressure discharge type)

Available upon quote

Standard discharge pressure pump for discharge machines, high volumetric efficiency, various resins, jacket temperature control, heat & shear sensitive resins, rigid PVC, rubber

Maximum 350℃

Maximum 30,000Pas (at 10/sec)

Max 400Bar

Max 500Bar

Max 200Bar

Adopts various flange shapes

22-110

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Ryu Manufacturing and Automation Gears Co., Ltd.

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