Graco Inc.

SaniForce 3150 HS Drum Unloader  High Sanitation Double Diaphragm Drum Unloader

Up to a 4 inch (10 cm) tri-clamp connection, flow rates up to 100 gpm (379 lpm) and a 32 Ra sanitary finish

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Standard with an inflatable ram plate seal, the SaniForce 3150 HS Sanitary Drum Unloader allows for quick replacement of the empty container and delivers up to a 99% evacuation rate - without diluting the material.

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SaniForce 3150 HS Drum Unloader

  • Stainless steel fluid ends meet a 32 Ra finish and can be disassembled in 5 minutes or less
  • Flow rates up to 100 gpm (378 lpm)
  • Fluid contact areas are all FDA-compliant and meet CFR Title 21
  • One size follower plate and seal to accommodate straight-sided and tapered drums
  • Evacuate barely flowable products from their original 55-gallon containers without diluting the material
  • Suitable to pump products such as: fruit filling, tomato paste, light peanut butter, icing, frosting, lotions and heavier ointments
SaniForce Drum Unloader Inflated Seal

Inflatable Wiper Seal:

  • FDA-compliant neoprene inflatable ram plate seal
  • Faster change-out of empty containers
  • Liner guard prevents bags from entering pump
  • Evacuation rates up to 99% 

Sanitary Drum Unloaders
Maximum Working Fluid Pressure
5:1 Ratio Piston Pumps
410 psi
28.3 bar, 2.8 MPa
6:1 Ratio Piston Pumps
650 psi
44.8 bar, 4.5 MPa
12:1 Ratio Piston Pumps
1450 psi
100.0 bar, 10 MPa
Diaphragm Pumps
120 psi
8.2 bar, 0.8 MPa
Maximum Air Inlet Pressures
Piston Pump Ram Packages
100 psi
6.9 bar, 0.7 MPa
Diaphragm Pump Ram Packages
120 psi
8.0 bar, 0.8 MPa
Ram
100 psi
6.9 bar, 0.7 MPa
6:1 and 12:1 Ratio Piston Pumps
100 psi
6.9 bar, 0.7 MPa
5:1 Ratio Piston Pumps
80 psi
5.5 bar, 0.6 MPa
Diaphragm Pumps
120 psi
8 bar, 0.8 MPa
Air Inlet Size
Enclosed Controls
1/2 npt(f)
1/2 npt(f)
Exposed Controls
3/4 npt(f)
3/4 npt(f)
Maximum Ram Package Operating Temperature
5:1 Ratio Piston Pump Ram Packages
140°F
60°C
All Other Ram Packages
150°F
66°C
Maximum/Minimum Drum Sizes
Maximum Drum ID
24 in
61 cm
Minimum Drum ID — straight sided
19.4 in
49 cm
Minimum Drum ID — tapered`
19.0 in
48 cm
Maximum Drum Height
40.75 in
104 cm
Wetted Parts
Inflatable Seal
Neoprene
Neoprene
Ram (plate, fittings, gaskets)
300–Series stainless steel, Buna-N, and polypropylene
300–Series stainless steel, Buna-N, and polypropylene
5:1 Ratio Piston Pumps (see pump manual)
Stainless steel, Buna-N, FKM, PTFE and UHMWPE. Priming piston pumps also have polychloroprene and nylon. Model 24F197 also has silicone.
Stainless steel, Buna-N, FKM, PTFE and UHMWPE. Priming piston pumps also have polychloroprene and nylon. Model 24F197 also has silicone.
6:1 Ratio Piston Pumps (see pump manual)
Stainless steel, buna-N, polychloroprene, nitrile, nylon, and UHMWPE. Certain models have PTFE packings.
Stainless steel, buna-N, polychloroprene, nitrile, nylon, and UHMWPE. Certain models have PTFE packings.
12:1 Ratio Piston Pumps (see pump manual)
Stainless steel, acetal, nitrile, PTFE, UHMWPE
Stainless steel, acetal, nitrile, PTFE, UHMWPE
Diaphragm Pumps (see pump manual)
316 stainless steel, Santoprene, Buna-N, fluoroelastomer, EPDM, weighted CR, weighted polychloroprene, and PTFE
316 stainless steel, Santoprene, Buna-N, fluoroelastomer, EPDM, weighted CR, weighted polychloroprene, and PTFE
Noise Data
All Models
See your pump manual.
See your pump manual.