Norgren 25BN Series User Manual
25 bn series—teflon® float, 25 bn series, Specifications
![background image](/manuals/467510/1/background.png)
9
For additional information call: 1 800 722 5547
1.00 (25)
A
1.50 (38)
.85 (22)
1/8 NPT
1/2 Hex
1.00 (25)
A
1.50 (38)
1.00 (25)
1/8 NPT
1/2 Hex
A - actuation point is
approximately midway of
float travel in liquid with
a specific gravity of 1.0.
A - actuation point is approximately midway of float travel in
liquid with a specific gravity of 1.0.
UL Recognized
File No. E 129277
CSA Approved
File No. LR 90981
25 BN Series—Teflon® Float
Norgren Offers Its 25 BN Series with a Spring Biased TEFLON® Float
for High Pressure Applications
Small float design (.850 Dia.) provides flexibility for those tight
spaces
Solid Teflon® float design for pressures up to 1000 PSI
Variety of stem float combinations to meet your technical and cost
requirements
Specifications
Switch Rating
SPST 20VA
Operating Pressure
1000 PSI Maximum (68.9 bar)
Operating Temperature
-40° to 300°F (-40 to 149°C)
Float Material
Teflon®
Other Wetted Materials
300 Series Stainless, Epoxy
Leads
22 AWG, 24” long
Recommended Minimum
Liquid SP GR
.75
25 BN Series Ordering Numbers:
* UL and CSA switch ratings are 20VA pilot duty rated; 120VAC - 240VAC
® Teflon is a registered trademark of E.I. Dupont De Nemours Co.
25 BN Series Ordering Numbers:
25 BN Series
Buna N General Purpose Single Point Detector
Small, compact size
Precise repeatability
Reliable, long-life performance
Highly resistant to shock and vibration
Stem available in 316 SS or Brass
Specifications
Maximum Pressure
150 PSI (10.3 bar)
Temperature Operating Range -40° to 225°F (-40° to 107°C) in oil
to 180°F (82°C) in water
Mounting
1/8” NPT
Leads
22 AWG, 24” long
Recommended Minimum
Liquid SP GR
.50
Part Number
Stem Material
Switch Rating
1275-024
316 SS
20VA N.O. DRY*
1276-024
316 SS
?20VA N.C. DRY*
Part
Number
Stem
Material
Float
Material
Other
Wetted Parts
Switch
Rating
0105-024
316 SS
Buna N
316 SS
20VA
0106-024
Brass
Buna N
316 SS
20VA