Liquid Handling Pumps from General Pump

Reverse Osmosis Pump - Hollow Shaft - Needle Bearing -- WM1615C

Reverse Osmosis Pump - Hollow Shaft - Needle Bearing -- WM1615C -- View Larger Image
Reverse Osmosis Pump - Hollow Shaft - Needle Bearing -- WM1615C-Image


  • Flows from 0.5 GPM to 4.2 GPM
  • 316 stainless steel fluid end for superior corrosion protection
  • Solid ceramic plungers with advanced surface finish assure durability and longevity
  • Compact design offers solutions to space limitations
  • Parallel inlet and outlet valve design for efficiency and easy maintenance
  • Most models available with EPDM sealing option
  • Use motor #639610, 2.5 HP, 50/60 Hz for 4.2 GPM version

WM Series – Specifications:
Max. Inlet Pressure: 50 PSI
Max Discharge Pressure: 1500 PSI
Max Fluid Temperature: *140° F
Inlet Port Thread: 1/2"; NPT-F / 3/8";-19 NPT-F (WM0515C)
Discharge Port Thread: 3/8"; NPT-F
Shaft Diameter: 5/8"; Hollow/24 mm Solid
Pump Dimensions: 9.9"; x 7.5"; x 6.0";
Crankcase Oil Capacity: 12.0 oz./.35 liters
Use GP Series 100 Oil

General Pump offers a complete line of stainless steel industrial pumps to meet the needs of aggressive environments. All General Pumps are ISO 9001 certified, and our stainless steel line offers flows from 2.1 GPM to 104.3 GPM. These pumps feature 316 stainless steel manifolds and wetted parts to ensure years of trouble free operation in aggressive environments. As always, all pumps are available as custom engineered power units that include a heavy-duty steel or stainless steel base, pump, drive (electric, gas or diesel), and system accessories.

Product Category
Liquid Handling Pumps
Pump Type
Piston Plunger Pump; Positive Displacement Pump; Reciprocating Pump; Triplex Pump
Discharge Pressure
1500.0 psi (1055 m of Water)
Liquid Flow
1.600 GPM (6.06 L/min)
Discharge Size
0.375 inch (9.52 mm)
Media Temperature
140 F (60 C)

View Entire Datasheet

To view all product specifications available in these tables, click on the "View Entire Datasheet" button.

View Entire Datasheet
Power Source
Pump Housing Material
Industry Served