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Pneumatic 2/2-way diaphragm valve made of metal

GEMÜ 658

ConfigureTechnical data sheet
Pneumatically operated stainless steel diaphragm valve with welded ends – ideal for the pharmaceutical, biotechnology, and food industries.

Valve with two-stage actuator made of stainless steel

Product information

The GEMÜ 658 2/2-way diaphragm valve has a two-stage actuator. In addition to full stroke, a partial stroke can be set via two pistons working independently of each other.All actuator parts including closing springs (except seals) are made from stainless steel. The valve is available with a Normally Closed control function. An opening stroke limiter for setting the partial stroke is integrated as standard.

Key features

  • In addition to the normal opening and closing function, a partial stroke (reduced volume flow) can be set using the opening stroke limiter
  • Both fast on/off operation and precision dosing of the working medium possible
  • Mounting of proximity switches (M8x1) for OPEN and CLOSED position feedback possible (MG 25 u2013 50)
  • CIP/SIP capable
  • Compact design (ideal when space is at a premium)
  • Version according to ATEX on request
Pneumatically operated stainless steel diaphragm valve with welded ends – ideal for the pharmaceutical, biotechnology, and food industries.

Technical details

Parameters
Value
Media temperature
-10 to 100 °C
Sterilization temperature
Max. 150 °C
Ambient temperature
0 to 60 °C
Operating pressure
0 to 10 bar
Nominal sizes
DN 10 to 65
Body configurations
2/2-way body
i-body
Multi-port body
Tank valve body
T-body
Welding configuration
Connection types
Clamp
Flange
Spigot
Threaded connection
Connection standards
ANSI
ASME
BS
DIN
EN
ISO
JIS
SMS
Body materials
1.4408, investment casting material
1.4435 (316L), forged material
1.4435 (BN2), forged material
1.4435, investment casting material
1.4539 (904L), forged material
Diaphragm materials
EPDM
FKM
PTFE/EPDM
Conformities
3A
BSE/TSE
CRN
EAC
EHEDG
FDA
FMEDA
Oxygen
Reg. (EU) No. 10/2011
Regulation (EC) No. 1935/2004
Regulation (EC) No. 2023/2006
TA Luft (German Clean Air Act)
USP

Downloads

21 Results
  • Produktzertifikat passivated - electropolished GEMÜ valve body collection

    pdf, 86 KB, DE

  • Product certificate RoHS - GEMÜ product collection

    pdf, 450 KB, DE/EN

  • Operating instructions GEMÜ 658

    pdf, 5.64 MB, EN

  • Datenblatt GEMÜ 658

    pdf, 3.57 MB, DE

  • Fiche technique GEMÜ 658

    pdf, 3.58 MB, FR

  • Betriebsanleitung / Operating instructions GEMÜ 658

    pdf, 7.93 MB, DE/EN

  • Produktzertifikat TA-Luft - GEMÜ diaphragm valve collection - TÜV

    pdf, 103 KB, DE

  • Product certificate EHEDG - GEMÜ diaphragm valve collection

    pdf, 298 KB, EN

  • Product certificate 3A - GEMÜ diaphragm valve collection

    pdf, 209 KB, EN

  • Certificat du produit machinery - GEMÜ product collection

    pdf, 341 KB, FR

  • Notice d'utilisation GEMÜ 658

    pdf, 5.67 MB, FR

  • Produktzertifikat machinery - GEMÜ product collection

    pdf, 315 KB, DE

Suitable services

  • Expert knowledge for your applications

    Training

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  • Fast, efficient, and precise

    Repair

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  • Intelligent networking with GEMÜ CONEXO

    Digital support

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