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Metal non-return valve

GEMÜ R91

Double-leaf check valve made of blue cast iron with stainless steel flaps and central spring mechanism for industrial applications.

Non-return valve in double wing design

Product information

The GEMÜ R91 is a metal dual plate check valve with flange connection and standardized length to DIN EN 558-1. The valve body, plates and seals are available in various materials. In the version with metallic seal, the GEMÜ R91 valve can be used at high temperatures up to 300 °C.

Key features

  • Suitable for low and high temperatures
  • Standardized length to DIN EN 558-1, series 16
  • Available as option free of oil and grease
  • Drip and bubble-tight to EN 12266-1/P12, leakage rate A to G
Double-leaf check valve made of blue cast iron with stainless steel flaps and central spring mechanism for industrial applications.

Technical features

Parameters
Value
Media temperature
-200 to 300 °C
Operating pressure
0 to 16 bar
Nominal sizes
DN 50 to 600
Connection types
Flange
Connection standards
ANSI
ASME
EN
Body materials
1.0619, galvanized cast steel material
1.4408, investment casting material
EN-GJS-400-15
Seal materials
EPDM
FKM
NBR
Spring materials
1.4571, spring steel
Conformities
EAC
WRAS
Plate material
1.4408, investment casting material
1.4469, duplex cast steel material
EN-GJS-400-15, SG iron material

Downloads

16 Results
  • Fiche technique GEMÜ R91

    pdf, 3.23 MB, FR

  • Operating instructions GEMÜ R91

    pdf, 4.03 MB, EN

  • Datablad GEMÜ R91

    pdf, 3.48 MB, SV

  • Notice d'utilisation GEMÜ R91

    pdf, 3.48 MB, FR

  • Datenblatt GEMÜ R91

    pdf, 3.23 MB, DE

  • Datasheet GEMÜ R91

    pdf, 3.23 MB, EN

  • Användarhandbok GEMÜ R91

    pdf, 3.98 MB, SV

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

    pdf, 32 KB, EN

  • Declaration of Conformity WRAS - GEMÜ R91

    pdf, 28 KB, EN

  • Руководство по эксплуатации GEMÜ R91

    pdf, 3.46 MB, RU

  • Declaration of Conformity ATEX - GEMÜ R90, R91, RSK, ZRSK

    pdf, 37 KB, DE, EN

  • Betriebsanleitung / Operating instructions GEMÜ R91

    pdf, 3.77 MB, DE, EN