Model 16 Vacuum Regulator

Part Number: FA007672
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Details:

The Fairchild 16 Vacuum Regulator is designed for systems that require system pressure control above and below atmospheric pressure. Control sensitivity of 1/2" water column allows use in precision applications.

Features

  • A balanced Supply Valve minimizes the effects of supply pressure variation.
  • An Aspirator Tube compensates downstream pressure droop under flow conditions.
  • A separate Control Chamber isolates the diaphragm from the main flow to eliminate hunting and buzzing.
  • Unit construction lets you service the Fairchild 16 without removing it from the line.
  • Mounting Bracket is available.
  • Canadian Registration Number (CRN) Certification for all territories and provinces

Operating Principles

When you adjust the Range Screw to a specific setpoint, the Range Spring exerts a downward force on the top of the Signal Diaphragm. The Negative Bias Spring creates an upward force on the bottom of the Signal Diaphragm. The upward net force opens the Relief Valve (vacuum supply) to let Vacuum flow from the Outlet Port to the Exhaust Port. As the setpoint is reached, the decrease in pressure lets the Diaphragm Assembly move downward to close the Relief Valve (vacuum supply).

When the Vacuum increases above the setpoint, the Diaphragm Assembly moves downward to open the Supply Valve that adds positive pressure to the system to maintain Output pressure. For more information, see cross sectional diagram in the catalogue pages.
Outlet pressure is maintained as a result of balance between forces acting on the top and bottom of the Diaphragm Assembly.

Part Numbers

FA007672
FAIRCHILD MODEL 16 16262 VAC-150PSI
Pressure Range Vacuum -150, 1/4" NPT Ported ‍

Specifications:

Supply Pressure
250 psig, [17.0 BAR], (1700 kPa) Maximum
Positive Flow Capacity (SCFM)
40 (65.2 m3/HR) @ 100 psig, [7.0 BAR] supply, (700 kPa) supply & 20 psig, [1.5 BAR], (150 kPa) setpoint
Vacuum Flow Capacity (SCFM)
2.5 (4 m3/HR) @ 29” Hg VAC with pump connected to exhaust port
40 (65.2 m3/HR) @ 100 psig supply connected to inlet port
Supply Pressure Effect
Less than 0.1 psig, [.007 BAR], (0.7 kPa) for 100 psig,
[7.0 BAR]. (700 kPa) change in supply pressure
Sensitivity
1/2” (1.27 cm) Water Column
Ambient Temperature
-40°F to +200°F, (-40°C to +93.3°C)
Materials of Construction
Body and Housing: Aluminum
Trim: Stainless Steel, Brass and Zinc Plated Steel
Diaphragms: Nitrile on Dacron
Hazardous Locations
Acceptable for use in Zones 1 and 2 for gas atmosphere;
Groups IIA and IIB and Zones 21 and 22 for dust atmospheres

Catalogue PDF: application/pdf
Operational PDF: application/pdf
Located in: Regulators

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