Graco Inc.

Therm-O-Flow Guns  Manual and Automatic Dispense Applicators

For applying hot melt materials

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Perfect for high pressure, high flow sealant and adhesive applications, Therm-O-Flow Guns are available with electric switches so they can be used in conjunction with automated equipment.

  • Precise temperature control from PID control panel
  • Piston-actuated ball and seat design for positive shut off
  • Light trigger pull
  • Rugged all metal construction

Hot Melt Dispense Guns
Maximum operating temperature
400°F
204°C
Maximum fluid working pressure
5000 psi
34.5 MPa, 345 bar
Outlet port size
5/8-18 UNF-2B
5/8-18 UNF-2B
Inlet port size on gun housing
7/8-14 UNF- 2B
7/8-14 UNF- 2B
Inlet port size on fluid swivel
7/8-14 JIC(m)
7/8-14 JIC(m)
Voltage
230/240 Vac
230/240 Vac
Wattage
120 W
120 W
Resistance temperature detector(platinum RTD; 0.00385 ohm/ohm/°C)
108.2 ohms @ 70°F
108.2 ohms @ 70°F
Heater resistance
individually: 890 ohms, +/- 70 ohms
individually: 890 ohms, +/- 70 ohms
wired in parallel: 445 ohms, +/- 35ohms
Weight
without swivel: 2.7 lb
1.2 kg
with swivel: 3.4 lb
1.5 kg
1.5 kg
Dimensions
Height: 7.5 in.
191 mm
191 mm
Width: 3.0 in
76 mm
76 mm
Length: Models 249514 and 249515: 9.0 in
229 mm
229 mm
Length: Models 249512 and 249513: 10.5 in.
267 mm
267 mm
Length: Models 297273 and 297274: 11.5 in
292 mm
292 mm
Wetted parts
Aluminum, fluorocarbon rubber, stainless steel, PTFE, carbon steel, brass
Aluminum, fluorocarbon rubber, stainless steel, PTFE, carbon steel, brass