Armstrong Fluid Technology

Armstrong Fluid Technology 571110LF-340 Circuit Balancing Valve, 1/2 in Nominal, NPT End Style, 300 psi Pressure, 1.22 to 9.57 gpm Flow Rate, Brass Body

224251 MFG #: 571110LF-340
$163.28 / ea
Armstrong Fluid Technology 571110LF-340 Circuit Balancing Valve, 1/2 in Nominal, NPT End Style, 300 psi Pressure, 1.22 to 9.57 gpm Flow Rate, Brass Body
  • Actuator Type: Handwheel
  • Body Material: Brass
  • Dimensions: 2.99 x 4.6 x 2.76
  • End Style: NPT
  • Flow Rate: 1.22 to 9.57
  • Nominal Size: 1/2
  • Pressure Rating: 300
  • Softgoods Material: EPDM
  • Temperature Rating: -4 to 300
  • Trim Material: Brass

Armstrong Fluid Technology Circuit Balancing Valve, 1/2 in Nominal, NPT End Style, 300 psi Pressure, -4 to 300 deg F, 1.22 to 9.57 gpm Flow Rate, Handwheel Actuator, Brass Body, Brass Trim, EPDM Softgoods, 2.99 x 4.6 x 2.76 in Dimensions

The Armstrong circuit balancing valves (CBV) provide precision flow measurement, pump throttling and temperature measurement capabilities. 1/2 to 2 in models feature multi-turn adjustment for precise control, hidden memory stops to set balance point and soft seats for positive shut-off.

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  • Features
  • High precision, fixed orifice PMD assures faster setting and superior accuracy
  • Integral fixed kV primary measuring element for maximum differential pressure signal stability and optimum flow correlation accuracy (measured vs actual flow rate accuracy of +/- 5% across 95% or higher, of the operating range)
  • Five full 360 deg turns from open to closed, providing unparalleled flow control and energy-savings
  • Micrometer style handle enables precise flow rate adjustment
  • Line size optimization for ideal performance for 0.7 to 1.3 m/s flow velocity
  • Wye pattern, globe style valve design for reduced turbulence
  • Soft seats for positive shut-off
  • Hidden memory stop saves setting after shut-off/servicing and prevents accidental set point tampering
  • Standard/Approvals: NSF 372