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Pilot Operated Regulator Series 473Pilot Operated Regulator
Series 473

The Posi-flate Series 473 Regulator is designed for exceptionally long life as a remote pilot operated air pressure regulator.

Features

  • High flow
  • Rapid and accurate response to changes in pilot pressure
  • Balanced design of internal components keeps constant outlet pressure despite changes to inlet pressure
  • 1/4" NPT inlet and outlet gauge ports
  • Zero flow shut-off

Technical Data

Fluid: Compressed air

Output Pressure Range:

3 psig (0.2 bar) minimum to 175 psig (12.1 bar) maximum, depending upon configuration

Maximum Inlet Pressure:

Size
Operating Pressure
Maximum Inlet Pressure
1-1/4"
10-170 psig
170 psig
2"
3-80 psig
80 psig

2"

5-110 psig

110 psig

2"

20-175 psig

175 psig

Operating Temperature:  

Normal:

-40° F to 175° F (-40° C to 80° C)*

Optimal:   

-40° F to 250° F (-40° C to 121° C)*

 
* Air supply must be dry enough to avoid ice formation at
temperatures below 355
° F (22° C).

Maximum Flow Rate:

1-1/4" Regulator:

1100 SCFM (520 dm3/s)**

2" Regulator:

3000 SCFM (1416 dm3/s)**

 
** Typical flow with 100 psig (6.9 bar) inlet pressure, 90 psig
(6.3 bar) set pressure, and a drop of 15 psig (1 bar).

Air Ports:

Inlet
Size
(NPT)

Outlet
Size
(NPT)

Inlet Grauge Quantity: Outlet Grauge Quantity Inlet
Gauge
Size
(NPT)
Outlet
Gauge
Size
(NPT)
Pilot
Size

(NPT)

2"

2"

2 2 1/4" 1/4" 1/4"
1-1/4" 1-1/4" 2" 2" 1/4" 1/4" 1/4"
 

Materials:

Body: Polyester-coated aluminum
Bottom plug: Anodized aluminum
Internal components: Anodized aluminum
Elastomers: Nitrile

ISO Symbol:

ISO Symbol

Posi-flate Pilot Operated Regulator -  Cutaway

All specifications subject to change without notice.

PDF Icon
Pilot Operated Regulator
Series 473
Bulletin - English
 

Specifications


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