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Check-Mate 450 provides flow rates to 1.7 gpm (6.44 lpm) and operating pressures to 5000 psi (345 bar, 34.5 MPa).

Features & Benefits
  • Severe Duty rod and cylinder for increased durability; Graco’s Severe Duty is a stainless steel, hard chrome cylinder and rod which prolongs the life of the pump and packings
  • Large internal porting for maximum flow
  • Floating piston seal and priming plate improve balance and performance
  • Maintains balance over a wide viscosity range
  • Minimal bead distortion for critical dispensing of expensive materials
Typical Applications
  • Dispensing of silicone, latex or acrylic sealants
  • Feed pumps for 2-component epoxy or urethane materials
  • Dispensing of greases and other lubricants
Typical Fluids Handled
  • Sealants
  • Adhesives
  • Mastics
  • Lubricants
Graco Check-Mate 450 Pump Packages (223816, 231144, 231145, 231113)
Unit of Measure
Items Graco Check-Mate 450 Pump Packages (223816, 231144, 231145, 231113)
222770
10:1 Monark
Graco Check-Mate 450 Pump Packages (223817, 231146, 231147, C50256, 231111, 233028, 233091, 222768, 237207)
222768
20:1 President
Graco Check-Mate 450 Pump Packages (223817, 231146, 231147, C50256, 231111, 233028, 233091, 222768, 237207)
237207
20:1 President Compact (6.4 in. Tie Rods)
Graco Check-Mate 450 Pump Packages (223818, 224661, 233090, 231112, 231166, 222769, 224660, 237492, 237780)
222769
34:1 Senator
Graco Check-Mate 450 Pump Packages (223818, 224661, 233090, 231112, 231166, 222769, 224660, 237492, 237780)
224660
34:1 Senator with RIQ (Reduced Icing Quiet)
Model N/A Monark N/A President N/A President N/A Senator N/A Senator
Ratio N/A 10:1 N/A 20:1 N/A 20:1 N/A 34:1 N/A 34:1
Maximum Fluid Outlet Pressure N/A 1800 psi125 bar12.5 MPa N/A 3600 psi317 bar31.7 MPa N/A 3600 psi317 bar31.7 MPa N/A 4100 psi283 bar28.3 MPa N/A 4100 psi283 bar28.3 MPa
Maximum Fluid Flow @ 60 cpm N/A 1.0 gpm3.8 lpm N/A 1.2 gpm4.5 lpm N/A 1.2 gpm4.5 lpm N/A 1.7 gpm6.5 lpm N/A 1.7 gpm6.5 lpm
Maximum Air Input Pressure N/A 180 psi12.6 bar1.26 MPa N/A 180 psi12.6 bar1.26 MPa N/A 180 psi12.6 bar1.26 MPa N/A 120 psi8.3 bar0.83 MPa N/A 120 psi8.3 bar0.83 MPa
Fluid Outlet Size N/A 3/4 npt(m)
Air Inlet Size (Bare Pump) N/A 3/8 npt(f) N/A 1/2 npt(f) N/A 1/2 npt(f) N/A 3/4 npsm(f) N/A 3/4 npsm(f)
Throat N/A UHMWPE/PTFE
Piston N/A UHMWPE
Rod and Cylinder N/A Severe Duty (chrome over stainless steel)
Other Wetted Parts N/A CS; Delrin®; 304, 316 and 17-4 PH
SST; ductile iron; zinc and nickel plating
Overall Length (Bare Pump) N/A 46.25 in.119 cm N/A 49.25 in.125 cm N/A N/A 55 in.140 cm N/A 55 in.140 cm
Overall Length (Bare Pump), Compact Version N/A N/A N/A 44 in.44 cm N/A N/A
Weight (Pump Only) N/A 45 lb21.0 kg N/A 50 lb22.7 kg N/A 50 lb22.7 kg N/A 100 lb45.5 kg N/A 100 lb45.5 kg
Carbon Steel N/A 308017
Cart Mounted Pumps N/A 308087
Ram Mounted Pumps 5 gal (20 I) N/A 308026
Ram Mounted Pumps 5 gal (200 I) N/A 308027