GN 21

Stainless Steel-Levelling feet

with Turned Base Plate, without Mounting Holes

GN 21-S/SK

Stainless Steel-Levelling feet
with/ without nut, external hexagon at the bottom

GN 21-T/TK

Stainless Steel-Levelling feet
with/ without nut, wrench flat at the bottom, "not dipping" version

GN 21-U/UK

Stainless Steel-Levelling feet
with/ without nut, Hexagon socket at the top, wrench flat at the bottom

GN 21-V/VK

Stainless Steel-Levelling feet
with/ without nut, external hexagon at the top, wrench flat at the bottom

GN 21-W

Stainless Steel-Levelling feet
with adjustable sleeve, hygienic Version, wrench flat at the bottom

GN 21-X

Stainless Steel-Levelling feet
with female thread, external hexagon

GN 21-S/SK

Stainless Steel-Levelling feet
with/ without nut, external hexagon at the bottom

Types (Base plate)

  • Type D0: fine turned, without rubber underlay
  • Type D1: fine turned, with rubber underlay, inlaid, black

Versions of threaded stem

  • 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, hexagon socket at the top, wrench flat at the bottom
  • Version UK: with nut, hexagon socket 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, external hexagon at the top, wrench flat at the bottom
  • Version W: with adjustable sleeve, covered thread, wrench flat at the bottom
  • Version X: with female thread, external hexagon

Base plate

Stainless Steel AISI 304

Threaded stem

Stainless Steel AISI 303

Hexagon nut ISO 4032

Stainless Steel AISI 304

Rubber underlay, inlaid

Perbunan® (NBR), 70 Shore A

Stainless Steel-Levelling feet GN 21 will be delivered mounted and are not removable.

 
d1d2Static load in kN----
--Versions of threaded stem----
--S / SKT / TK and U / UKV / VKWX
80M 86---17
80M 1011---17
80M 1216---17
80M 16-17212517
80M 20-28353528
80M 24-465252-
100M 86---17
100M 1011---17
100M 1216---17
100M 16-17212517
100M 20-28353528
100M 24-465252-
120M 20-28--28
120M 24-46---
120M 30-43---

At a spindle thread size M 10 and higher, the static load of the Stainless Steel-Levelling feet GN 21 is limited owing to the permissible contact pressure of the adjustment spindle acting on the base plate (at a spindle strength ≥ 500 N/mm2). The values given in the table (valid for type D0 without rubber underlay) assume a clean pressure load perpendicular to 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.

The details given on strength are non-binding guide values without any liability. In general, they do not constitute a warranty or 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.

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