GN 31

Types (Base plate)

  • Type B1: matt shot-blasted, rubber, inlaid, black
  • Type B2: matt shot-blasted, rubber, inlaid, white
  • Type B3: matt shot-blasted, rubber, vulcanised, black
  • Type B4: matt shot-blasted, rubber, vulcanised, white
  • Type C3: polished, rubber, vulcanised, black
  • Type C4: polished, rubber, vulcanised, white

Version

  • Version S: without nut, External hexagon at the bottom
  • Version SK: with nut, External hexagon at the bottom
  • Version T: without nut, wrench flat at the bottom
  • Version TK: with nut, wrench flat at the bottom
  • Version U: without nut, internal hexagon at the top, wrench flat at the bottom
  • Version UK: with nut, internal hexagon at the top, wrench flat at the bottom
  • Version |b bb|: without nut, external hexagon at the top, wrench flat at the bottom
  • Version VK: with nut, hexagon socket at the top, wrench flat at the bottom
  • Version W: with adjustable sleeve, covered thread, wrench flat at the bottom
  • Version X: external hexagon, female thread

Base plate, sheet metal

Stainless Steel AISI 304

Threaded stem

Stainless Steel AISI 303

Hexagon nut ISO 4032

Stainless Steel AISI 304

Rubber underlay, inlaid

  • black: Perbunan® (NBR)80±5 Shore A
  • white: Perbunan® (NBR)80±5 Shore A

Rubber underlay, vulcanised

  • black: Perbunan® (NBR) 85±5 Shore A
  • white: Perbunan® (NBR) 85±5 Shore A

GN 31 Stainless Steel-Levelling feet with vulcanised rubber (Type B3, B4, C3 and C4) and screw version W feature fewer dead spots owing to their construction method and are also easier to clean.

Stainless Steel-Levelling feet GN 31 will be delivered mounted and are not removable.

  • Elastomer characteristics 

 

Information

The static load bearing capacity given in the table rests on a test series in which the load has been applied perpendicular to the base plate. For the values given in the table, the strain relief may result in minor deformations of the base plate.

Bending and buckling stress which often occurs in practice results in a lower load bearing capacity of the adjustment spindle and may have to be taken into account.

Also, the spindle strength is assumed to be ≥ 500 N/mm2.

The details given on strength are nonbinding guide values without any liability. In general, they do not constitute a warranty of quality.

The user must determine from case to case if a product is suitable for the intended purpose or use. Environmental factors may influence the stated values.

d1d2Static load in kN---------
--Versions of threaded stem---------
--S / SK-T / TK and U / UK-V / VK-W-X-
--Rubber blackRubber whiteRubber blackRubber whiteRubber blackRubber whiteRubber blackRubber whiteRubber blackRubber white
50M 888------88
50M 101414------1313
50M 122020------2020
50M 16--2828----2825
60M 888------88
60M 101414------1313
60M 122020------2020
60M 16--2825272727272825
80M 888------88
80M 101414------1313
80M 121915------1515
80M 16--1915242424241915
80M 20--1915242424241915
80M 24--191524242424--
100M 888------88
100M 101414------1313
100M 121714------1714
100M 16--1714212121211714
100M 20--1714212121211714
100M 24--171421212121--
120M 20--2522----2522
120M 24--2522------
120M 30--2522------

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