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Mauelle plastic butterfly valve

GEMÜ D457

ConfigureTechnical data sheet
Manual shut-off valve made of plastic with ergonomic hand lever and flange connection – ideal for water treatment, chemical and process engineering.

Soft-sealing, centrally mounted butterfly valve

Product information

The GEMÜ D457 soft seated butterfly valve is manually operated. It has a metal hand lever or gearbox depending on customer requirements. The butterfly valve is available in nominal sizes DN 50–300 and has a wafer body version. The hand lever can be adjusted in seven positions (each at 55°) and is equipped with a hole for fitting a safety lock to prevent unwanted changes in position.

Key features

  • Excellent corrosion protection
  • UV resistant
  • Disc outlet dimension designed on plastic piping
  • Lockable hand lever made of plastic with latch positions
  • Low weight
  • Low torque
Manual shut-off valve made of plastic with ergonomic hand lever and flange connection – ideal for water treatment, chemical and process engineering.

Technical features

Parameters
Value
Media temperature
5 to 90 °C
Ambient temperature
-20 to 60 °C
Operating pressure
0 to 10 bar
Nominal sizes
DN 50 to 300
Housing configurations
Wafer
Connection standards
ANSI
EN
JIS
Body materials
PP, reinforced
Liner materials
EPDM
FKM
Disc materials
PP-H
PVC-C
PVC-U
Conformities
EAC

Downloads

12 Results
  • Datasheet GEMÜ D450, D451, D457, D458 (US)

    pdf, 2.27 MB, EN

  • Techn_Gl_Kunststoff_fr_it

    pdf, 192 KB, FR/IT

  • Product certificate RoHS - GEMÜ product collection

    pdf, 450 KB, DE/EN

  • Fiche technique GEMÜ D450, D451, D457, D458

    pdf, 1.80 MB, FR

  • Notice d'utilisation GEMÜ D450, D451, D458, D457

    pdf, 946 KB, FR

  • Användarhandbok GEMÜ D450, D451, D457, D458

    pdf, 964 KB, SV

  • Betriebsanleitung / Operating instructions GEMÜ D450, D451, D457, D458 D450

    pdf, 945 KB, DE/EN

  • Techn_Gl_Kunststoff_de_gb

    pdf, 127 KB, DE/EN

  • Karta katalogowa GEMÜ D450, D451, D457, D458

    pdf, 680 KB, PL

  • Anwendungsbroschüre Elektropolieranlagen

    pdf, 756 KB, DE

  • Datenblatt GEMÜ D450, D451, D457, D458

    pdf, 1.90 MB, DE

  • Data sheet GEMÜ D450, D451, D457, D458

    pdf, 1.79 MB, EN

Suitable services

  • Expert knowledge for your applications

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  • Ensure longevity and reliability

    Maintenance

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  • Fast, efficient, and precise

    Repair

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  • Intelligent networking with GEMÜ CONEXO

    Digital support

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