Type 2651

Flange

3 | 12

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1.

General Technical Data

Product properties

Dimensions

Detailed information can be found in chapter “3. Dimensions” on page 6.

Material

Body

Stainless steel 1.4408

Ball

Stainless steel 1.4401

Shaft

Stainless steel 1.4401

Seal

PTFE (Ball seal)

FKM (Selector shaft seal)

Nominal diameter

DN 15…200

Face-to-face length

DN 15…DN 100: F4 (EN 558 - 1 series 27) or F1 (EN 558 - 1 series 1)

DN 125…DN 200: F5 (EN 558 - 1 series 27)

Medium data

Medium

Stainless steel body: aggressive media which do not attack the body and seal material

Medium temperature

- 10 °C…200 °C (see “4.1. Pressure temperature diagram” on page 10)

Medium pressure

16 bar, 40 bar (see “4.1. Pressure temperature diagram” on page 10)

Max. 6 bar for steam with graphite reinforced PTFE seal (option)

Process/Port connection & communication

Port connection

DIN Flange acc. EN 1092 - 1

ANSI Flange acc. ANSI/ASME B16.5

Approvals and Certificates

ISO head flange

EN ISO 5211

2.

Materials

2.1. Chemical Resistance Chart – 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