Page 1
A
1/2 Hex
A
.85 (22)
1/8 NPT
1.00 (25)
1.50 (38)
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
A - actuation point is
approximately midway of
float travel in liquid with
a specific gravity of 1.0.
1/2 Hex
1.00 (25)
1/8 NPT
1.00 (25)
1.50 (38)
25 BN Series Ordering Numbers:
Part Number Stem Material Switch Rating
1275-024 316 SS 20VA N.O. DRY*
1276-024 316 SS ?20VA N.C. DRY*
* 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
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
UL Recognized
File No. E 129277
CSA Approved
File No. LR 90981
25 BN Series Ordering Numbers:
Part
A - actuation point is approximately midway of float travel in
liquid with a specific gravity of 1.0.
Number
0105-024 316 SS Buna N 316 SS 20VA
0106-024 Brass Buna N 316 SS 20VA
9
Stem
Material
Float
Material
For additional information call: 1 800 722 5547
Other
Wetted Parts
Switch
Rating
Page 2
KIP 50 BN Series
A
Moisture Resistant
50 BN Moisture Resistant Liquid Level Switch
Construction Provides Maximum Resistance to Moisture,
Condensation or Water.
Ideal for use in sumps or bilges
Construction can be adapted to other Norgren switches
Dual wall polyolefin shrink tubing resists moisture
Specifications
Maximum Pressure 150 PSI (10.3 bar)
Temperature -40°F to 225°F (-40°C to 107°C) in oil
Operating Range -40°F to 180°F (-40°C to 82°C) in water
Mounting 1/4” NPT
Leads 18 AWG, 36” long
Recommended Minimum
Liquid SP GR .55
Liquid Level Switch Ordering Numbers:
Part
Number
1344-001 Brass / Buna Stainless / Epoxy SPST 20VA
1344-002 Brass / Buna Stainless / Epoxy SPST 100VA
1344-003 304 SS / Buna Stainless / Epoxy SPST 20VA
1344-004 304 SS / Buna Stainless / Epoxy SPST 100VA
1344-005 304 SS / 316 SS 316 SS SPST 20VA
1344-006 304 SS / 316 SS 316 SS SPST 100VA
Stem / Float
Material
Other Wetted
Mounting Material
Switch
Rating
1/4 NPT
5/8 Hex
1.88 (48)
A - actuation point is
approximately midway of
float travel in liquid with
a specific gravity of 1.0.
Shrink Tubing
1.88 (48)
2.70 (69)
10
For additional information call: 1 800 722 5547
Page 3
KIP 50 BN Series
1/8 NPT
50 BN Series Intermediate
Intermediate Size General Purpose Detector
Highly reliable, yet inexpensive
Compact, narrow displacement
Stem available in 316 SS or Brass
Long operating life
1/2 Hex
A
1.19 (30)
A - actuation point is
approximately midway of
float travel in liquid with
a specific gravity of 1.0.
1.75 (45)
2.50 (64)
5/8 Hex
A
5/8 Hex
1.19 (30)
1/4 NPT
1/4 NPT
1.75 (45)
2.70 (69)
Specifications
Maximum Pressure 150 PSI (10.3 bar)
Temp. Operating Range -40°F to 225°F (-40°C to 107°C) in oil
-40°F to 180°F (-40°C to 82°C) in
water
Mounting 1/8” NPT - 1/4” NPT
Leads 18 AWG, 24” long
Recommended Minimum
Liquid SP GR .58
50 BN Series Inter. Ordering Numbers
Part Number MTG
0108-024 1/8” 316 SS Buna N 316 SS 100VA
0109-024 1/8” Brass Buna N 316 SS 100VA
0500-024 1/4” 316 SS Buna N 316 SS 100VA
0501-024 1/4” Brass Buna N 316 SS 100VA
0502-024 1/8” 316 SS Buna N 316 SS 20VA
0503-024 1/8” Brass Buna N 316 SS 20VA
0504-024 1/4” 316 SS Buna N 316 SS 20VA
0505-024 1/4” Brass Buna N 316 SS 20VA
Stem
Material
Float
Material
Other Wetted
Parts
Switch
Rating
50 BN Series Large
Large Size General Purpose Detector
A
1.88 (48)
A - actuation point is
approximately midway of
float travel in liquid with
a specific gravity of 1.0.
1.88 (48)
2.75 (69)
Large float provides maximum displacement in high viscosity
fluids
Can be easily extended to multiple float arrangement up to 72”
long
Rugged design for heavy duty service
Specifications
Maximum Pressure 150 PSI (10.3 bar)
Temp. Operating Range -40°F to 225°F (-40°C to 107°C) in oil
-40°F to 180°F (-40°C to 82°C) in water
Mounting 1/4” NPT
Leads 18 AWG, 24” long
Recommended Minimum
Liquid SP GR .55
50 BN Series Large Ordering Numbers:
Part Number MTG
0512-024 1/4” 316 SS Buna N 316 SS 100VA
0513-024 1/4” Brass Buna N 316 SS 100VA
0514-024 1/4” 316 SS Buna N 316 SS 20VA
0515-024 1/4” Brass Buna N 316 SS 20VA
Stem
Material
11
Float
Material
For additional information call: 1 800 722 5547
Other Wetted
Parts
Switch
Rating
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