Description
The GRACO 21694-25 is a material hose assembly with a 1/2″ internal diameter, designed for use in GRACO equipment to transfer materials such as polyester resin and gel-coat in RTM (Resin Transfer Molding) injection systems. It is a critical component for ensuring safe and efficient material flow between the pump and application point.
Key Features:
- Material hose assembly
- 1/2″ ID
- Compatible with GRACO RTM injection systems (e.g., Spartan, Spartan 2, Spartan 3) for use with polyester resin and gel-coat
- Designed for reliable material transfer in high-pressure injection systems
- Integral part of the material recirculation and application circuit
- Supports consistent operation and maintenance of GRACO equipment
Applications:
Used in GRACO RTM injection systems for transferring polyester resin and gel-coat in composite manufacturing, mold filling, and similar industrial applications.
Installation Notes:
- Using genuine GRACO parts ensures compatibility, safety, and optimal performance of the equipment.
- Ensure all connections are secure and leak-free before operation
- Follow the equipment manual for specific installation and maintenance procedures
- Regularly inspect the hose for wear, damage, or leaks and replace as necessary
- Always relieve system pressure before disconnecting or servicing the hose
- Use only compatible materials and fittings as specified by GRACO
- Store hoses properly to prevent kinking or damage






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