18014808940
info@rchiller.com
enEnglish
Dual Circuit Mold Water Heater

Dual Circuit Mold Water Heater

A Dual Circuit Mold Water Heater provides two independently controlled water circulation circuits for injection molds that require different temperature conditions in separate mold zones. Each circuit features its own temperature monitoring, circulation pump, and flow path, allowing Circuit 1 and Circuit 2 to operate according to distinct process requirements.
Send Inquiry
Description

A Dual Circuit Mold Water Heater provides two independently controlled water circulation circuits for injection molds that require different temperature conditions in separate mold zones. Each circuit features its own temperature monitoring, circulation pump, and flow path, allowing Circuit 1 and Circuit 2 to operate according to distinct process requirements.

 

Key Applications

 

A dual-circuit system is recommended when a mold contains separate zones with distinct thermal requirements, such as:

Mold cavity and core with different temperature targets
Fixed mold side and moving mold side
Large molds with separated water-channel layouts
Precision injection molding requiring tight dimensional stability and cycle repeatability
Multi-zone tooling with unequal heat loads

 

Core Selection Factors

 

Selecting the correct unit requires evaluating the complete thermal and hydraulic system rather than looking at heating power alone:

 

Hydraulic Performance (Flow & Pressure): Pump flow must overcome the total resistance of the mold circuit (including channel diameter, length, bends, manifolds, and hoses). Free-flow ratings do not equal actual mold flow.

 

Thermal & Cooling Capacity: The unit must actively remove heat as well as supply it. High-speed cycles and significant heat loads require verified cooling performance.

 

Water Quality: Poor water quality causes scale buildup in heating components and mold channels, increasing flow resistance and reducing heat-transfer efficiency.

 

Technical Specifications

 

Parameter

Circuit 1

Circuit 2

Temperature Range

Up to 95 C / 120 C

Up to 95 C / 120 C

Heating Capacity

KW

KW

Pump Flow

L/min at specified pressure

L/min at specified pressure

Pump Pressure

Bar / MPa

Bar / MPa

Cooling Capacity

/

/

Water Connections

(Inlet / Outlet size)

(Inlet / Outlet size)

General Parameters

Power Supply: (Voltage, Phase, Frequency)

Certifications: CE / UL / CSA compliant

Safety Functions: Over-temperature, low-water, phase-loss, and flow alarms

 

Quality Control, Safety, and Compliance

 

Manufacturing & Testing: Units undergo rigorous pre-shipment component inspection, electrical/mechanical assembly checks, and functional testing (including leakage checks and independent circuit verification).

 

Electrical & Regulatory Compliance: Configurations are customized to destination standards (voltage, phase, frequency, and local safety certifications).

 

Built-in Safety: Includes over-temperature protection, low-water protection, pump overload protection, and phase monitoring.

 

FAQ

 

Q: What is the difference between two outlets and a true dual-circuit mold water heater?

A: Two outlets do not automatically mean independent control. A true dual-circuit system features separate control loops, independent temperature sensing, and distinct circulation paths for each zone.

Q: Can the two circuits operate at different temperatures simultaneously?

A: Yes. Each circuit is managed by its own independent control loop, allowing them to maintain different temperature setpoints based on mold zone requirements.

Q: How do I select the correct pump flow and pressure?

A: Pump performance must be evaluated against the total pressure drop of your complete mold circuit, including hoses, quick-connectors, manifolds, and internal mold channels.

Q: What information is required to get an accurate technical quote?

A: Please provide the required temperature and flow for both circuits, mold connection sizes, mold material, cycle time, local electrical supply (voltage/phase/frequency), and a mold water-circuit diagram if available.

Q: Is a dual-circuit controller necessary for all multi-zone molds?

A: No. If both mold zones require the exact same temperature and share similar thermal loads, a single-circuit unit controlled by one loop may be sufficient. Dual-circuit units are specifically for zones requiring independent management.

 

Hot Tags: dual circuit mold water heater, China dual circuit mold water heater manufacturers, suppliers, Dual-Zone Injection Mold Temperature Controller

You Might Also Like
Send Inquiry
Send Inquiry