Model 1600A Vacuum Regulator

Part Number: FA00902A
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Details:

The Fairchild 1600A Vacuum Regulator controls pressure in high flow systems above and below atmospheric pressure. The single unit controls vacuum and positive pressure.

Features

  • The Fairchild 1600A Vacuum Regulator controls pressure in high flow systems above and below atmospheric pressure.
  • The single unit controls vacuum and positive pressure.
  • Control sensitivity of 1" water column allows use in precision applications.
  • Large Supply and Exhaust Valves provide high forward and exhaust flows.
  • Soft Supply and Exhaust Valve seats minimize air consumption.
  • A balanced Supply Valve minimizes the effect 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 Model 1600 without removing it from the line.

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 pressure flow through the Outlet Port and the Aspirator Tube to the Control Chamber. 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 pressure increases above the setpoint, the Diaphragm Assembly moves downward to open the Supply Valve (positive pressure) to maintain Output pressure.

Part Numbers

FA00902A
Pressure Range Vacuum - 10, 3/4" NPT Ported, Aluminum body with Buna diaphragm.
The Model 1600A Vacuum Regulator controls pressure in high flow systems above and below atmospheric pressure. The Model 1600A has the following features: the single unit controls vacuum and positive pressure. Control sensitivity of 1" water column allows use in precision applications.

• Supply Pressure 250 psig Maximum
• Sensitivity 1" Water Column
• Pipe Size 3/8" NPT - 3/4" NPT/BSPT

Specifications:

Supply Pressure
250 psig, [17.0 BAR], (1700 kPa) Maximum
Flow Capacity (SCFM)
28 (48 m3/HR) @ 29" Hg vacuum with inlet port open to atmosphere.
150 (255 m3/HR) @ 100 psig, [7.0 BAR], (700 kPa) supply & 20 psig, [1.5 BAR], (150 kPa) setpoint
Exhaust Capacity
20 (34 m3/HR) where downstream pressure is 5 psig, [.35 BAR], (35 kPa) above 20 psig, [1.5 BAR], (150 kPa) setpoint
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" (2.54 cm) Water Column
Ambient Temperature
-40°F to +200°F, (-40°C to +93°C)
Materials of Construction
Body and Housing: Aluminum
Trim: Zinc Plated Steel, Brass
Diaphragms: Nitrile on Dacron

Catalogue PDF: application/pdf
Located in: Regulators

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