Butterfly valves

Butterfly valvesITEM 375,376,377

Butterfly valves

ITEM 375,376,377 - Butterfly valve to be inserted between flanges, “Wafer” type

ITEM 375,376,377
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Features

STANDARD EXECUTIONS

Standard flanges:

  • PN 10 - PN 16 - ANSI 150 from  DN 40 to DN 300.
  • PN 10 from DN 350 to DN 600. 

General requirements in accordance with UNI EN593

Face to face as per EN 558 serie 20

Valve head as per ISO 5211 ( DN40-DN300 )

Tightness as per EN 12266-1 rate A

Other tests on request.

Operating Temperature of the Media:  EPDM from -40°C to +135°C; NBR from -23°C to +82°C; FKM from -10°C to +190°C *; PTFE from -25°C to +150°C *

Operating Temperature for the Cast Iron body: Ambient Temperature:: -25°C  +250°C

Working pressure between flanges:

  • PN 16 bar for DN 40 to DN 300
  • PN 10 bar for DN 350 to DN 600

* DN40-DN300

ON REQUEST

Working temperature: SILICONE from -50°C to +160°C;  NBR CARBOX from -10°C to +82°C;  NBR WHITE for food from -23°C to +82°C;  HNBR from -20°C to +120°C

For other applications, please contact our technical department.

APPROVALS

According to 97/23 EC “PED”; DVGW homologation for gas (V376); RINA homologation; conformity to the italian D.M.n°174 suitable with drinking water and alimentary fluid (V376); ATEX directive 2014-34-EU.

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