Type 2065

5 | 13

Visit product website 

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

Note:

The exemplary representation may differ from the actual product.

1

2

3

4

8

7

5

6

No.

Element

Material

1

Valve body

See “1. General technical

data” on page 3

2

Diaphragm

EPDM (AD), PTFE/EPDM (EA),

advanced PTFE/EPDM (EU),

Gylon®/EPDM laminated (ER)

3

Actuator base (diaphragm socket) Stainless steel 1.4308

4

Piston seal

FKM

5

Spring

EN10270 - 2 FDSiCr

6

Actuator cover

Stainless steel 1.4404 (316L)

7

Spring support

Stainless steel 1.4308

8

Optical position indicator

Polysulfone PSU

3.3. Example of available membrane materials

The diaphragms have been developed to meet the unique challenges of hygienic and sterile requirements. Bürkert offers diaphragms

with precise material composition and high accuracy. Bürkert diaphragms are available in a wide range of materials which have been

tested and proven in applications in the food and beverage, biotechnology, pharmaceutical and cosmetics industries. The dia-

phragms are tested during development and production to ensure reliability under difficult process conditions.

• EPDM (AD)

• PTFE/EPDM (EA)

• advanced PTFE/EPDM (EU)

• Gylon®/EPDM laminated (ER)

For further information please refer to our flyer “Diaphragm competence for hygienic applications” on our website .