Graco 25B027 InvisiPac GM100 Low-Profile Dual Hot Melt Applicator with 24 VDC Solenoid and Pt 100 RTD

InvisiPac 25B027 GM100 Low-Profile Dual Adhesive Dispenser Overview

Suited for high-speed adhesive application in low-clearance packaging lines, the Graco 25B027 InvisiPac GM100 low-profile dual hot melt applicator provides consistent, reliable adhesive dispensing where uptime and cleanliness matter most. The dual-module, low-profile design supports accurate dot and stitch placement while maintaining uniform adhesive flow. Its plug-free construction helps eliminate nozzle plugging and reduce adhesive char, minimizing downtime and supporting stable operation in continuous case and carton sealing environments.

When used with the Graco InvisiPac Tank-Free Hot Melt Delivery System, including HM10, HM25c, and HM50 models, the GM100 supports clean adhesive delivery throughout the dispensing system. The applicator features a 24 VDC solenoid valve for dependable high-speed cycling and a Pt 100 RTD for accurate temperature monitoring. With a heat-up time of under 10 minutes and a compact low-profile dual configuration, this model integrates easily into packaging automation and box sealing equipment that require precise, high-speed adhesive placement in space-constrained layouts.

Looking for another Graco InvisiPac GM100 configuration? View the full GM100 applicator lineup here.

Features and Benefits of the Graco 25B027 InvisiPac GM100 Low-Profile Dual Applicator

• Low-Profile Dual Layout: Two adhesive modules are built into a low-profile housing, allowing installation in packaging machines where vertical space is limited.
• Consistent Adhesive Output: The dual-module design supports accurate dot and stitch application at multiple seal points while maintaining steady adhesive flow.
• Plug-Free InvisiPac™ Design: A free-flow adhesive path reduces adhesive char and helps prevent nozzle plugging, lowering maintenance needs during continuous operation.
• Electrical Configuration: Operates with a 24 VDC solenoid valve and a Pt 100 RTD to provide reliable valve response and accurate temperature sensing.
• Pneumatic Operating Method: Uses air-opened, air-closed actuation to control adhesive flow consistently without mechanical spring return.
• Quick Heat-Up: Reaches operating temperature in about 10 minutes, helping production lines return to service quickly after startup or downtime.

Model Specifications

• Series: InvisiPac GM100
• Model: 25B027
• Type: Hot Melt Applicator
• Style: Low Profile - Dual
• Number of Modules: 2
• Mode of Operation: Air Opened, Air Closed
• Speed: > 10,000 cycles/minute
• Heat-up Time: 10 minutes to 350°F (176°C) at 240 VAC
• Heater: 240 V
• Solenoid Valve Voltage Rating: 24 VDC
• RTD Type: Pt 100 RTD
• Maximum Working Fluid Pressure: 1,500 psi (10.3 MPa, 103 bar)
• Minimum Working Air Pressure: 65 psi (0.44 MPa, 4.4 bar)
• Maximum Working Air Pressure: 80 psi (0.50 MPa, 5.5 bar)
• Suitable for Wash Down Applications: Yes
• Approvals and Standards: UL 499 Listed, CSA88, CE, ISO 9001