Select branch and language

Select language

Personal AI assistant

Do you have any questions? Start a conversation.

Internal sales

For all sales-related matters:

Tel: +49 (0) 7940 123 8509

Contact

Service helpline

For all after-sales matters:

Tel: +49 7940 123 450

Contact the helpline

Metal check valve

GEMÜ ZRSK

ConfigureTechnical data sheet
Stainless steel check valve in plate design with central flap and ring eyelet to prevent backflow in industrial applications.

Space-saving metal backflow preventer

Product information

GEMÜ ZRSK is a metal check valve with integrated flange seal. The valve body, disc and seal are available in various materials.The GEMÜ ZRSK is clamped between two flanges during installation. The centring is based on the outside diameter of the body.

Key features

  • Weight and space-saving construction
  • Short length
  • Simple construction
  • Suitable for low and high temperatures
  • Option with return spring
  • Available as option free of oil and grease
  • Optionally with manual override
  • Drip and bubble-tight to EN 12266-1/P12, leakage rate A to G
Stainless steel check valve in plate design with central flap and ring eyelet to prevent backflow in industrial applications.

Technical features

Parameters
Value
Media temperature
-40 to 200 °C
Ambient temperature
-40 to 95 °C
Operating pressure
1 to 16 bar
Nominal sizes
DN 32 to 600
Connection types
Flange
Connection standards
ANSI
DIN
EN
ISO
JIS
Body materials
1.0460, galvanized cast steel material
1.4408, investment casting material
1.4571, forged material
2.0975, cast bronze material
Seal materials
EPDM
FKM
NBR
PTFE
Disc materials
1.0460, galvanized cast steel material
1.4408, investment casting material
1.4571, forged material
Conformities
ATEX
EAC
FDA
TA Luft (German Clean Air Act)

Downloads

18 Results
  • 取扱説明書 GEMÜ ZRSK

    pdf, 8.69 MB, JA

  • Folha de dados técnicos GEMÜ ZRSK

    pdf, 2.80 MB, PT

  • Produktzertifikat TA-Luft - GEMÜ R90, RSK, ZRSK

    pdf, 27 KB, DE

  • Product certificate TA-Luft - GEMÜ R90, RSK, ZRSK

    pdf, 27 KB, EN

  • Notice d'utilisation GEMÜ ZRSK

    pdf, 7.92 MB, FR

  • Fiche technique GEMÜ ZRSK

    pdf, 2.80 MB, FR

  • Ficha técnica GEMÜ ZRSK

    pdf, 648 KB, ES

  • Operating instructions GEMÜ ZRSK

    pdf, 7.91 MB, EN

  • Betriebsanleitung GEMÜ ZRSK

    pdf, 9.40 MB, DE

  • Betriebsanleitung / Operating instructions GEMÜ ZRSK

    pdf, 9.74 MB, DE, EN

  • Declaration of Conformity FDA, KTW, DVGW-W, WRAS, NSF, USP, ADI - GEMÜ R90, R91, RSK, ZRSK EPDM o-rings

    pdf, 32 KB, EN

  • Instruções de operação GEMÜ ZRSK

    pdf, 7.92 MB, PT

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

    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.