Type 2920

6 | 14

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3.

Materials

3.1. Bürkert resistApp

Bürkert resistApp – Chemical resistance chart

You want to ensure the reliability and durability of the materials in your individual application

case? Verify your combination of media and materials on our website or in our resistApp.

Start chemical resistance check

3.2. Material specifications

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11

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No.

Element

Material

1

Cover

Polyamide (PA)

2

Screw

Stainless steel 1.4301

3

Lock pin

Stainless steel 1.4305

4

Handwheel

Polyphenylene sulfide (PPS)

5

Optical position

indicator with scale

Polyamide (PA)

6

Spindle seal

PTFE V-rings (filled), with spring

compensation

7

Spindle

Stainless steel 1.4401 or 1.4404

8

Spindle guide

Stainless steel 1.4404 (316L),

PTFE filled

9

Body seal

Graphite

10

Swivel plate

Stainless steel 1.4401

(316)/1.4404 (316L)

11

Seat seal (optional)

PTFE or PEEK

12

Valve body

Stainless steel 316L/CF3M