Graco Inc.

Ultra-Lite 4000 and 4000 SD  Severe-Duty Pistol Grip Flow Guns

For precise control of sealant and adhesive materials

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Operator-friendly Ultra-Lite guns combine ergonomic design with high-operating pressure for dispensing high viscosity industrial and automotive sealants and adhesives.

  • Precise control of low-to-medium viscosity materials
  • Designed for light trigger pull and easy handling
  • Changeable tips for a variety of dispensing needs
  • Operating pressure to 4000 psi (276 bar; 27.6 MPa)

Ultra-lite Pistol Grip Flo-Gun
Maximum Working Pressure
Models 235627, 237607, and 237649
4000 psi
280 bar
Models 235628 and 243775
6000 psi
415 bar
Outlet Port Size
All Models
1/4 npt(f) with nut for metal flanged nozzle
1/4 npt(f) with nut for metal flanged nozzle
Inlet Port Size
Models 235627 and 237607
1/4 npt(f)
1/4 npt(f)
Models 235628 and 243775
1/2 npt(f)
1/2 npt(f)
Model 237649
37 SAE, 1/2-20 UNF(m)
37 SAE, 1/2-20 UNF(m)
Valve Orifice
Models 235627, 237607, 243775, and 237649
0.20 in. diameter with tapered needle
5.08 mm diameter with tapered needle
Model 235628
0.19 in diameter with 0.25 in. carbide ball
4.83 mm diameter with 6.35 mm carbide ball
Height
All Models
5.90 in.
149.86 mm
Width
All Models
1.20 in
30.48 mm
Length
Models 235627, 235628, 243775 and 237607
8.05 in
204.47 mm
Model 237649
8.90 in.
226.06 mm
Weight
Model 235627
15.45 oz
439 g
Model 235628 and 243775
22.70 oz
636 g
Model 237607
15.45 oz
439 g
Model 237649
17.00 oz
483 g
Wetted Parts
Model 235627
Fluid Section
Aluminum
Aluminum
Fluid Tube
300 Series Stainless Steel
300 Series Stainless Steel
Valve Needle
17-4 PH Stainless Steel
17-4 PH Stainless Steel
Valve Seat
17-4 PH Stainless Steel
17-4 PH Stainless Steel
Other
316 Stainless Steel, fluoroelastomer, and Polyurethane
316 Stainless Steel, fluoroelastomer, and Polyurethane
Model 235628
Fluid Section
17–4 PH Stainless Steel
17–4 PH Stainless Steel
Fluid Tube
300 Series Stainless Steel
300 Series Stainless Steel
Valve Needle
Carbide and 17–4 PH Stainless Steel
Carbide and 17–4 PH Stainless Steel
Valve Seat
Carbide and 17–4 PH Stainless Steel
Carbide and 17–4 PH Stainless Steel
Other
Stainless Steel, fluoroelastomer, PTFE; CV75, and Polyurethane
Stainless Steel, fluoroelastomer, PTFE; CV75, and Polyurethane
Model 243775
Fluid Section
17–4 PH Stainless Steel
17–4 PH Stainless Steel
Fluid Tube
300 Series Stainless Steel
300 Series Stainless Steel
Valve Needle
Carbide and 17–4 PH Stainless Steel
Carbide and 17–4 PH Stainless Steel
Valve Seat
Carbide and 17–4 PH Stainless Steel
Carbide and 17–4 PH Stainless Steel
Other
Stainless Steel, fluoroelastomer, PTFE, and Polyurethane
Stainless Steel, fluoroelastomer, PTFE, and Polyurethane
Model 237607
Fluid Section
Aluminum
Aluminum
Fluid Tube
300 Series Stainless Steel
300 Series Stainless Steel
Valve Needle
Carbide and 17–4 PH Stainless Steel
Carbide and 17–4 PH Stainless Steel
Valve Seat
Carbide and 17–4 PH Stainless Steel
Carbide and 17–4 PH Stainless Steel
Other
316 Stainless Steel, fluoroelastomer, and Polyurethane
316 Stainless Steel, fluoroelastomer, and Polyurethane
Model 237649
Fluid Section
Aluminum
Aluminum
Fluid Tube
300 Series Stainless Steel
300 Series Stainless Steel
Valve Needle
Carbide and 17-4 PH Stainless Steel
Carbide and 17-4 PH Stainless Steel
Valve Seat
Carbide and 17-4 PH 300 Series Stainless Steel
Carbide and 17-4 PH 300 Series Stainless Steel
Swivel Inlet Fitting
303 Stainless Steel, and Ultra High Molecular Weight Polyethylene
303 Stainless Steel, and Ultra High Molecular Weight Polyethylene
Other
316 Stainless Steel, fluoroelastomer, and Polyurethane
316 Stainless Steel, fluoroelastomer, and Polyurethane