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Manual 2/2-way diaphragm valve with metal body

GEMÜ 671

ConfigureTechnical data sheet
Manuelles 2/2-Wege-Membranventil GEMÜ 671 mit Metallkörper und Antrieb aus Kunststoff

Low-maintenance valve with plastic actuator

Product information

The GEMÜ 671 2/2-way diaphragm valve has a low-maintenance plastic actuator and is manually operated. An integrated optical position indicator is standard.

Key features

  • Extensive range of accessories available, e.g. electrical position indicator for open handwheel position or lockable handwheel clamp (GEMÜ 671)
Manuelles 2/2-Wege-Membranventil GEMÜ 671 mit Metallkörper und Antrieb aus Kunststoff

Technical details

Parameters
Value
Media temperature
-10 to 80 °C
Ambient temperature
0 Up to 60 °C
Operating pressure
0 Up to 10 bar
Nominal sizes
DN 15 to 100
Body configurations
2/2-way bodies
Connection types
Clamp
Flange
Spigot
Thread
Connection standards
ANSI
ASME
BS
DIN
EN
ISO
JIS
NPT
SMS
Body materials
1.4408, investment casting material
1.4408, investment casting material, PFA lined
1.4435 (316L), block material
1.4435 (BN2), forged material
1.4435 (F316L), forging material
1.4435, investment casting material
1.4539 (904L), forged material
3.7035, titanium, block material
CW617N, brass
EN-GJS-400-18-LT (GGG 40.3)
EN-GJS-400-18-LT, SG iron material, PFA lined
EN-GJS-400-18-LT, SG iron material, PP lined
Diaphragm materials
EPDM
FKM
PTFE/EPDM
PTFE/PVDF/EPDM
Conformities
ATEX
EAC
FDA
Oxygen
Regulation (EC) No. 1935/2004
Regulation (EU) No. 10/2011
USP

Downloads

8 Results
  • Data sheet GEMÜ 611, 671

    pdf (4 MB) -
    EN

  • Operating instructions GEMÜ 611, 671 611   671

    pdf (7 MB) -
    EN

  • bs_a_IND_13_mining_industry_en

    pdf (2 MB) -
    EN

  • Betriebsanleitung / Operating instructions GEMÜ 611, 671

    pdf (11 MB) -
    DE/EN

  • Declaration of Conformity - GEMÜ product collection

    pdf (104 KB) -
    EN

  • Product-certificate-TA-Luft-gemue-diaphragm-valves-with-lining-gb-2025-12-09

    pdf (77 KB) -
    EN

  • Product certificate passivated - Electropolished GEMÜ valve body collection

    pdf (37 KB) -
    EN

  • Product certificate TA-Luft - GEMÜ diaphragm valve collection

    pdf (29 KB) -
    EN

Suitable services

  • Expert knowledge
    for your applications

    Training

    Deepen your expertise in valve technology and plant control. Our training courses provide practical content to help you design processes that are safe, efficient, and compliant with standards.

  • Ensure longevity
    and reliability

    Maintenance

    Regular maintenance ensures consistently stable processes. Our service teams ensure the availability of your systems and reliably extend the service life of your components.

  • Fast, efficient and
    precise in operation

    Repair

    When it comes to repairs, every minute counts. Our experts analyze, repair, and test reliably - using original spare parts, technical precision, and a focus on minimizing downtime.

  • Intelligent networking with GEMÜ CONEXO

    Digital support

    CONEXO makes maintenance digital: RFID technology and mobile apps enable the unique identification of your components and document maintenance processes transparently.