Metric Size, Stainless Steel,
Leveling Feet for Sanitary Applications
Threaded Stud Type, with Black Vulcanized Rubber Underlay
GN 31


RoHS Compliant

 

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Specification
Information

Base: Stainless steel, European standard No. 1.4301 (American standard 304 series), matte shot-blast finish or polished finish
Threaded stud and adjustable sleeve: Stainless steel, European standard No. 1.4305 (American standard 303 series)
Hex nut: Stainless steel, European standard No. 1.4301 (American standard 304 series), ISO 4032
Hex nut is standard part of assembly
W version has adjustable sleeve and covered thread, wrench flat at the bottom of stud
Types B3 and C3 - Black vulcanized rubber pad inlay: Perbunan® (NBR), 80 +/- 5° Shore A hardness
Stainless steel A4 assembly screw for rubber pad is loctited into stud

GN 31 leveling feet have been designed to meet the requirements of the food industry. Convex bolt head seat on base greatly reduces the formation of deposits and simplifies cleaning.
The rubber underlay is vulcanized into the foot. The adjustable height sleeve shrouds the thread, and can eliminate the exposure of sharp thread edges.
GN 31 leveling feet have earned the EQUIPMENT ACCEPTANCE CERTIFICATE of the USDA (US-Department of Agriculture).
Static loads specified in the table are based on a series of tests in which a vertical load in relation to the horizontal plane of the foot is applied. If the figures in the table are exceeded, a permanent deformation of the foot can occur.
Black pad inlay (NBR) offers high resistance to swelling when in contact with oils and fuels.
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Dimensions in:

millimeters
(inches)

Part Number

d1

d2

l1

d3

l2

l3

l4
adj. range

l5
+0.5

l6

l7

A/F1
Across
Flats

A/F2
Across
Flats

Static Load
(kN)

Type B3
Matte Finish
Type C3 Polished Finish

31-60-M16-123-B3-W
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31-60-M16-123-C3-W
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60
(2.36)

M16 x 2.0

123

24
(.94)

45
(1.77)

16
(.63)

29
(1.14)

4
(.16)

16
(.63)

45
(1.77)

20
(.79)

12
(.47)

27

31-60-M16-148-B3-W
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31-60-M16-148-C3-W
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148

31-60-M16-173-B3-W
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31-60-M16-173-C3-W
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173

31-60-M16-198-B3-W
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31-60-M16-198-C3-W
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198

31-80-M16-125-B3-W
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31-80-M16-125-C3-W
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80
(3.15)

M16 x 2.0

125

24
(.94)

45
(1.77)

16
(.63)

29
(1.14)

5
(.20)

18
(.71)

45
(1.77)

20
(.79)

12
(.47)

24

31-80-M16-150-B3-W
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31-80-M16-150-C3-W
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150

31-80-M16-175-B3-W
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31-80-M16-175-C3-W
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175

31-80-M16-200-B3-W
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31-80-M16-200-C3-W
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200

31-80-M20-149-B3-W
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31-80-M20-149-C3-W
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80
(3.15)

M20 x 2.5

149

30
(1.18)

56
(2.20)

20
(.79)

36
(1.42)

5
(.20)

18
(.71)

56
(2.20)

24
(.94)

16
(.63)

24

31-80-M20-174-B3-W
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31-80-M20-174-C3-W
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174

31-80-M20-199-B3-W
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31-80-M20-199-C3-W
Download the CAD

199

31-80-M20-249-B3-W
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31-80-M20-249-C3-W
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249

31-80-M24-174-B3-W
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31-80-M24-174-C3-W
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80
(3.15)

M24 x 3.0

174

35
(1.38)

67
(2.64)

25
(.98)

42
(1.65)

5
(.20)

18
(.71)

67
(2.64)

30
(1.18)

20
(.79)

24

31-80-M24-224-B3-W
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31-80-M24-224-C3-W
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224

31-80-M24-274-B3-W
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31-80-M24-274-C3-W
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274

Part Number

d1

d2

l1

d3

l2

l3

l4
adj. range

l5
+0.5

l6

l7

A/F1
Across
Flats

A/F2
Across
Flats

Static Load
(kN)

Type B3
Matte Finish
Type C3 Polished Finish

31-100-M16-126-B3-W
Download the CAD

31-100-M16-126-C3-W
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100
(3.94)

M16 x 2.0

126

24
(.94)

45
(1.77)

16
(.63)

29
(1.14)

6
(.24)

20
(.79)

45
(1.77)

20
(.79)

12
(.47)

21

31-100-M16-151-B3-W
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31-100-M16-151-C3-W
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151

31-100-M16-176-B3-W
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31-100-M16-176-C3-W
Download the CAD

176

31-100-M16-201-B3-W
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31-100-M16-201-C3-W
Download the CAD

201

31-100-M20-151-B3-W
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31-100-M20-151-C3-W
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100
(3.94)

M20 x 2.5

151

30
(1.18)

56
(2.20)

20
(.79)

36
(1.42)

6
(.24)

20
(.79)

56
(2.20)

24
(.94)

16
(.63)

21

31-100-M20-176-B3-W
Download the CAD

31-100-M20-176-C3-W
Download the CAD

176

31-100-M20-201-B3-W
Download the CAD

31-100-M20-201-C3-W
Download the CAD

201

31-100-M20-251-B3-W
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31-100-M20-251-C3-W
Download the CAD

251

31-100-M24-176-B3-W
Download the CAD

31-100-M24-176-C3-W
Download the CAD

100
(3.94)

M24 x 3.0

176

35
(1.38)

67
(2.64)

25
(.98)

42
(1.65)

6
(.24)

20
(.79)

67
(2.64)

30
(1.18)

20
(.79)

21

226
276