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Valve Gate

Product catalog summary

Overview: The document outlines technical specifications and operational guidelines for Synventive's Valve Gate Hot Runner Systems, focusing on actuators and accessories. It details components, their operation, and cooling requirements.

Key Components:

Nozzle Head for Single Axis Valve Gate Nozzles: An integral part of the nozzle, delivered with the complete nozzle, operating pneumatically with anti-rotation features.
Actuators: Available in pneumatic and hydraulic versions, these are bolted to the manifold or mounted in the mold plate, including cooling plates to manage heat.
Cooling Units: Essential for maintaining temperatures, especially when mold temperatures exceed 80°C.

Operational Specifications:

Pressure and Flow Rate: Actuators operate at pressures from 6 to 120 bar, with flow rates between 1.5 to 20 l/min.
Reaction Time and Needle Stroke: Reaction times are typically 0.5 seconds, with needle strokes from 8 to 20 mm.
Forces: Closing and opening forces vary, with some actuators exerting up to 14100 N.

Cooling Recommendations: Cooling actuators for at least 15 minutes post-production is advised to prevent overheating, with a 60-minute cooling period at 30°C recommended for certain hydraulic actuators.

Additional Features: Some actuators include position sensors for enhanced control, particularly with online melt pressure control systems.

Conclusion: Emphasizes the importance of proper cooling and adjustment for optimal performance and longevity of the hot runner systems.

Specifications:

Pneumatic Actuator (LCP 8014 01): Diameter: Ø6 mm, Max Pressure: 6 bar, Flow Rate: 10 l/min, Reaction Time: 0.5 s, Needle Stroke: 14 mm, Closing Force: 3016 N, Opening Force: 2788 N, Needle Diameter: Ø5 mm, Max Temperature: 60°C.
Hydraulic Actuator (HYZ 3908 01): Diameter: Ø3.8 mm, Max Pressure: 40 bar, Flow Rate: 1.5 l/min, Reaction Time: 0.2 s, Needle Stroke: 8 mm, Closing Force: 1964 N, Opening Force: 1512 N, Needle Diameter: Ø5 mm, Max Temperature: 60°C.

Operation: Designed for manifold systems mounted in the back plate, cooled by the plate's cooling system. Emphasizes consulting the Synventive Hot Runner Guide for specific applications.

Needle Position Control: Includes flow sensors connected to a connection box and display module, with signal lamps indicating needle position and operational status.

Contact Information: Provides contact details for Synventive representatives in various countries.

Catalog excerpts

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Open the catalog to page 5

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Open the catalog to page 7

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Open the catalog to page 9

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Open the catalog to page 10

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Open the catalog to page 11

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Open the catalog to page 12

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Open the catalog to page 13

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Open the catalog to page 14

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Open the catalog to page 15

Valve Gate

Valve Gate

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