Type 2006

7 | 14

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4.

Materials

4.1. 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

4.2. Material specifications

1

2

3

4

5

6

7

8

6

9

10

14

11

12

13

15

No.

Element

Material

1

Transparent cap

Polycarbonate (PC)

(with PPS actuator: PSU)

2

O­Ring

FKM

3

Actuator

Polyamide (PPS)

4

Pilot air ports G ¼

Stainless steel 1.4305

5

Piston seal

NBR (with PPS actuator: FKM)

6

Spindle seal

PTFE

7

Pipe 1.)

Stainless steel 1.4401 / 316

Stainless steel 1.4404 / 316L 2.)

8

Spring

Stainless steel 1.4310

9

Nipple 1.)

Stainless steel 1.4401 / 316

Stainless steel 1.4404 / 316L 2.)

10

Wiper

PTFE

PEEK 3.)

11

Valve body

Stainless steel 1.4404 / 316L

12

Spindle

Stainless steel 1.4404 / 316L

13

Seal holder

Stainless steel 1.4404 / 316L

14

Seat seal

PTFE

15

Seat nipple

Stainless steel 1.4404 / 316L

1.) In one piece for the actuator size 63 mm to 125 mm

2.) For actuator size 63 mm to 125 mm

3.) For actuator size 125 mm