John C. Ernst Co, Inc.
John C. Ernst Co, Inc.
21 Gail Court
Sparta, NJ 07871-3438
USA

Toll Free: 888.943.5000
Phone: 973.940.1600
Fax: 973.940.1620
Email: sales@johnernst.com
Website: www.johnernst.com
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Type S - Visual/Flow Switch

Standard Features:
  • Black Rotator and Switch set point calibrations
Connection Sizes:
  • 1/4" to 1" Female NPT
  • 9/16-18 Straight Thread (SS only)
S17A Series Single Window Sight Flow Indicators with Flow Switch
Unit of Measure
Items S17A Series Single Window Sight Flow Indicators with Flow Switch
S17A-G02-3
Sight Flow Indicator 		S17A Series Single Window Sight Flow Indicators with Flow Switch
S17A-G05-3
Sight Flow Indicator 		S17A Series Single Window Sight Flow Indicators with Flow Switch
S17A-B02-3
Sight Flow Indicator 		S17A Series Single Window Sight Flow Indicators with Flow Switch
S17A-B05-3
Sight Flow Indicator 		S17A Series Single Window Sight Flow Indicators with Flow Switch
S17A-B07-3
Sight Flow Indicator
Series N/A S17A
Flow Range1 N/A 0.1 to 1.0 GPM0.5 to 5.0 GPM N/A 1.5 to 12.0 GPM4 to 20 GPM N/A 0.1 to 1.0 GPM0.5 to 5.0 GPM N/A 1.5 to 12.0 GPM4 to 20 GPM N/A 5 to 30 GPM
Indicating Device N/A Rotor
Size N/A 1/4 in N/A 1/2 in N/A 1/4 in N/A 1/2 in N/A 3/4 in
End Connections N/A Female NPT
Pressure Rating @ 70 ºF N/A 100 PSIG N/A 100 PSIG N/A 200 PSIG N/A 200 PSIG N/A 200 PSIG
Pressure Rating @ 180 ºF N/A 40 PSIG N/A 40 PSIG N/A 80 PSIG N/A 80 PSIG N/A 80 PSIG
Body Material N/A Polypropylene N/A Polypropylene N/A Brass N/A Brass N/A Brass
Gasket Material N/A Buna-N N/A Buna-N N/A Fluorocarbon (FKM) N/A Fluorocarbon (FKM) N/A Fluorocarbon (FKM)
Rotor Material N/A PPS
Pin Material N/A Ceramic
Type N/A Rotor
Window N/A Single
Lens N/A Polysulfone
Visible Diameter/Length N/A 1.50 in
Length N/A 3.06 in N/A 3.06 in N/A 3.01 in N/A 3.01 in N/A 3.94 in
Width N/A 2.38 in N/A 2.38 in N/A 2.32 in N/A 2.32 in N/A 2.95 in
Height N/A 2.38 in4.5 in N/A 2.38 in4.5 in N/A 2.32 in4.5 in N/A 2.32 in4.5 in N/A 2.00 in4.76 in
Weight N/A 1.00 lbs N/A 1.00 lbs N/A 1.00 lbs N/A 1.00 lbs N/A 1.50 lbs
Packaging Material N/A Cardboard Box
Options N/A None
Application Notes N/A
  • Steam Service: Not acceptable
  • Potable Water: Not acceptable
  • Vacuum Service: Not acceptable
  • Gaseous Service: Not acceptable
  • Corrosion: Before ordering, verify all materials of our sight flow indicators are compatible with the service media(s), intermittently used cleaners, the environment, and cleaning processes in conjunction with the temperatures and pressures of the application(s) and future applications. John C. Ernst Co. does not make chemical compatibility recommendations. Compatibility is the responsibility of the user.
  • 1 Low Flow adapter supplied