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Manual metal shut-off damper

GEMÜ R477 Tugela

ConfigureTechnical data sheet
Manual high-performance stainless steel butterfly valve with PTFE lining, gear drive, and flange connection – ideal for the chemical, pharmaceutical, and food industries.

PTFE-sealing, double-eccentric high-performance butterfly valve

Product information

The GEMÜ R477 Tugela double eccentric metal butterfly valve is operated by a manual actuator. The butterfly valve is available in nominal sizes DN 50 Up to 600 and in standardized installation lengths API 609 category A (DIN 3202 K1).

Key features

  • High-performance butterfly valve with double-eccentric construction in order to separate the disc directly from the seat (gasket), thereby reducing friction and extending the service life
  • Continuous shaft with temperature resistant graphite bearing and PTFE gland packing for readjustment in operation for minimized leakage, even at low pressures
  • Antistatic fixture for ATEX area
  • Various actuator types can be selected
  • Bubble tight sealing, in accordance with EN 12266-1/P12, leak rate A
Manual high-performance stainless steel butterfly valve with PTFE lining, gear drive, and flange connection – ideal for the chemical, pharmaceutical, and food industries.

Technical features

Parameters
Value
Media temperature
-10 to 230 °C
Ambient temperature
-10 to 70 °C
Operating pressure
0 to 40 bar
Nominal sizes
DN 50 to 600
Housing configurations
Wafer
Connection standards
ASME
ISO
Body materials
1.0619 (WCB), cast steel material with CDP coating
1.4408 (CF8M), investment casting material
Liner materials
PTFE
Disc materials
1.4408
Conformities
ATEX
EAC
FDA
TA Luft (German Clean Air Act)

Downloads

22 Results
  • Product-certificate-TA-Luft-gemue-R47x-gb-2025-12-08

    pdf, 104 KB, EN

  • Instrukcja obsługi GEMÜ R477

    pdf, 5.06 MB, PL

  • Product certificate RoHS - GEMÜ product collection

    pdf, 450 KB, DE/EN

  • Folha de dados técnicos GEMÜ R477

    pdf, 22.67 MB, PT

  • Notice d'utilisation GEMÜ R477

    pdf, 5.05 MB, FR

  • Instrucciones de uso GEMÜ R477

    pdf, 5.05 MB, ES

  • Datasheet GEMÜ R477

    pdf, 22.67 MB, EN

  • Product certificate oil grease free - GEMÜ product collection K nr 0107

    pdf, 121 KB, DE/EN

  • Application brochure Fertilizer production

    pdf, 1.32 MB, EN

  • Fiche technique GEMÜ R477

    pdf, 22.68 MB, FR

  • Product brochure Double-eccentric butterfly valve R470 Tugela series

    pdf, 347 KB, EN

  • Betriebsanleitung / Operating instructions GEMÜ R477

    pdf, 5.81 MB, DE/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

    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.