GMC Series (Rotary Gear Pumps)

The GMC Series is designed for intermittent or medium duty service for applications in the noted operating ranges. Directly connecting to other pieces of equipment provides an extremely compact system design. The six sizes of Gorman-Rupp close-coupled pumps connect to standard NEMA "C" flanges. Rotor shaft bores accept standard motor shafts; 5/8" standard (7/8", 1 1/8" and 1 3/8" are optional). Metric couplings are also available. At synchronous speeds, extra drive equipment, including couplings or outboard bearings, are not required. For continuous duty service, or for handling viscous liquids, see the heavy duty GHC section.

Specifications

Size1" (25 mm), 1-1/2" (40 mm), 2" (50 mm)
Max Capacity38 GPM (2 lps)
Max Viscosity250000 SSU (53925 cST)
Max Pressure200 PSI (14 BAR)
Min Temperature-60 F (-51 C)
Max Temperature300 F (149 C)
Materials of ConstructionCast Iron
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Model: GMC1DC3-B ; GMC1DE3 /40C ; GMC1DE3-B ; GMC1DE3-E1.5 1P ; GMC1DE3-E1.5 3P ; GMC1DE3-X1.5 1P ; GMC1DE3-X1.5 3P ; GMC1 1/2GC3-B ; GMC1 1/2GF-B ; GMC1 1/2GF3-B ; GMC1 1/2GH3-B ; GMC1 1/2GJ3-B ; GMC2GC3-B ; GMC2GF3-B ;  GMC2GH3-B ; GMC2GJ3-B

GMC Series (G Series) Rotary Gear Positive Displacement Pumps

MODELS

ItemSizeCasingImpeller / RotorDriveFlangeSeal
GMC1 1/2GC3-B1.5 x 1.5Cast IronDuctile IronBasicNPTMechanical or Packing
GMC1 1/2GF-B1.5 x 1.5Cast IronDuctile IronBasicASABuna-N
GMC1 1/2GF3-B1.5 x 1.5Cast IronDuctile IronBasicNPTMechanical or Packing
GMC1 1/2GH3-B1.5 x 1.5Cast IronDuctile IronBasicNPTMechanical or Packing
GMC1 1/2GJ3-B1.5 x 1.5Cast IronDuctile IronBasicNPTMechanical or Packing
GMC1DC3-B1 x 1Cast IronDuctile IronBasicNPTMechanical or Packing
GMC1DE3 /40C1 x 1Cast IronDuctile IronBasicNPTMechanical or Packing
GMC1DE3-B1 x 1Cast IronDuctile IronBasicNPTMechanical or Packing
GMC1DE3-E1.5 1P1 x 1Cast IronDuctile IronElectric MotorNPTMechanical or Packing
GMC1DE3-E1.5 3P1 x 1Cast IronDuctile IronElectric MotorNPTMechanical or Packing
GMC1DE3-X1.5 1P1 x 1Cast IronDuctile IronElectric MotorNPTMechanical or Packing
GMC1DE3-X1.5 3P1 x 1Cast IronDuctile IronElectric MotorNPTMechanical or Packing
GMC2GC3-B2 x 2Cast IronDuctile IronBasicNPTMechanical or Packing
GMC2GF3-B2 x 2Cast IronDuctile IronBasicNPTMechanical or Packing
GMC2GH3-B2 x 2Cast IronDuctile IronBasicNPTMechanical or Packing
GMC2GJ3-B2 x 2Cast IronDuctile IronBasicNPTMechanical or Packing