Type 2933

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1.

General technical data

Product properties

Dimensions

Further information can be found in chapter “4. Dimensions” on page 6.

Material 1.)

Forged steel valve body (VS) 1.)

Forged material 1.4435 according to BN2 DIN EN 10222-5, F316L according to ASTM A182/

A182M and 316L according to ASME BPE

Tube valve body (VP) 1.)

Stainless steel tube 1.4435-BN2 / UNS S31603 (316L) according to DIN 11866, ASTM A269 /

A270, DIN EN 10217-7 / 10216-5

Cast valve body (VG) 1.)

Investment cast material 1.4435 / 316L

Diaphragm

EPDM (AD) 1.), PTFE/EPDM (EA) 1.), Advanced PTFE/EPDM (EU) 1.), laminate of GYLON® and

EPDM (ER) 1.)

Actuator (diaphragm bonnet/handwheel)

Stainless steel/PPS, PPS/PPS

Diaphragm size

8…50, for actuator PPS/PPS 15…50 (65…100 see Type 3232  and Type 3233 )

Standard surface quality 2.)

Forged steel valve body (VS) 1.)

Internally electrically polished: Ra ≤ 0.38 µm (NO17) 1.) (ASME BPE SF4/DIN HE4)

(externally forged surface electrically polished)

Internally mechanically polished: Ra ≤ 0.5 µm (NO14) 1.) (ASME BPE SF1)

(externally forged surface)

Tube valve body (VP) 1.)

Internally electrically polished: Ra ≤ 0.38 μm (NO17) 1.) (ASME BPE SF4/DIN HE4)

(externally electrically polished)

Internally glass bead blasted: Ra ≤ 1.6 μm (NO05) 1.)

(externally glass bead blasted (NO01) 1.))

Cast valve body (VG) 1.)

Internally electrically polished: Ra ≤ 0.6 µm (NO16) 1.) (ASME BPE SF6)

(externally cast surface electrically polished)

Internally mechanically polished: Ra ≤ 0.76 µm (NO06) 1.) (ASME BPE SF3/DIN H2)

(externally cast surface)

Medium data

Operating medium

Neutral gases and liquids, highly purified, sterile, aggressive or abrasive media

(see resistance chart )

Medium temperature

EPDM (AD) 1.)

- 10…+ 143 °C (steam sterilisation + 150 °C for 60 min)

PTFE/EPDM (EA) 1.)

- 10…+ 130 °C (steam sterilisation + 140 °C for 60 min)

Advanced PTFE/EPDM (EU) 1.)

- 5…+ 143 °C (steam sterilisation + 150 °C for 60 min)

Laminate of GYLON® and EPDM (ER) 1.)

- 5…+ 130 °C (steam sterilisation + 140 °C for 60 min)

Process/Port connection & communication

Nominal diameter (port connection)

DN 06…DN 65 (⅛"…2 ½")

Port connection 2.) for stainless steel valve body 3.)

Welded connection 2.)

DIN EN ISO 1127 / ISO 4200 / DIN 11866 series B

DIN 11850 - 2 / DIN 11866 series A / DIN EN 10357 series A

ASME BPE / DIN 11866 series C

Clamp connection 2.)

DIN 32676 series A (DIN pipe)

DIN 32676 series B (ISO pipe)

ASME BPE

Environment and installation

Installation position

See operating instructions Type 2933 

Ambient temperature: actuator (diaphragm bonnet/handwheel)

Stainless steel/PPS, PPS/PPS

- 10…+ 130 °C (short-term up to + 150 °C), autoclavable

1.) This information is part of the product key (see “6.3. Bürkert Product Enquiry Form” on page 20).

2.) Further versions are available on request.

3.) Tube valve body (VP) also available with flange and threaded connections