In-Line Tanks

For Constant Pressure Applications

Our in-line pressure tanks are designed for use in water storage applications for private wells.

This product is manufactured in the United States of foreign and domestic parts.

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Features & Benefits

  • 2 and 4.6 gallon sizes.
  • Light weight drawn steel shell construction.
  • Butyl diaphragm for dependable service.
  • Maximum working pressure is 100 psi.

Applications

  • Water storage for private wells

Specifications

In-Line Tanks Performance Data

    Drawdown - Gallons (liters)   Dimensions - Inches (cm)  
Model Number Volume
Gal (liter)
20-40 PSI
(138-276 Kpa)
30-50 PSI
(207-345 Kpa)
40-60 PSI
(276-414 Kpa)
Precharge
Pressure
Height Diameter Weight
Lbs. (kg)
WM01 2.0 (7.6) .7 (2.6) .6 (2.3) 20 (138) 12-9/16 (32) 8-3/8 (21) 5 (2.3)
WM02 4.6 (17.4) 1.7 (6.1) 1.4 (5.3) 20 (138) 14-11/16 (37) 11-3/8 (28) 9 (4.1)

WM Series Connection 3/4" male.

NOTE: All tanks may be used up to 90°F. MAXIMUM WORKING PRESSURE 100 PSI.

NOTE: Install a pressure relief valve on any installation where the pump pressure can exceed the tank's maximum pressure.

* Standard Atmospheric installation

** To assume dependable drawdown volumes, and in keeping with the present industry practice, drawdowns are based on Boyle's law.