High performance flanged check valve PERSTA 640AA
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HIGH PERFORMANCE FLANGED CHECK VALVE

WITH SWING

PERSTA 640AA

Range: DN50-250

Pressure: PN40

Temperature ratio: -10ºC to 400ºC

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High performance flanged check valve

FLANGED CHECK VALVE HIGH PERFORMANCE

WITH CLAPPER

PERSTA 640AA

Range: DN50-250

Pressure: PN40

Temperature ratio: -10ºC to 400ºC

Description

CHECK VALVE CLAPPER EXTREME RESISTANCE – PERSTA 640AA

The PERSTA 640AA is our high pressure globe valve with DIN flange connection (ASME version available) . Hardened seats with a 13% / 17% chrome steel coating for extreme wear resistance. Locking disc with curved cavity in the lever to improve movement and alignment of the disc with the seat . The lever rests on the bolt thanks to a separating washer that, together with a good selection of material, improves wear resistance. The nominal pressure range is 40 bar. The maximum temperature is -10ºC to 400ºC .

Technical characteristics

CHECK VALVE CLAPPER EXTREME RESISTANCE – PERSTA 640AA

Design options:

  • Forged steel body
  • Flanged ends or BW / SW weld

Materials:

1.0619

Range:

DN50-250

Pressure temperature ratio:

  • Pressure rating 40 bar
  • Temperature classification from -10 ° C to 400 ° C

Fields of application:

Chemical industries, power plants, shipbuilding and others

Medium:

Depending on the material, the valves are suitable for water, gas, oil and other non-aggressive media.

Downloads

CHECK VALVE CLAPPER EXTREME RESISTANCE – PERSTA 640AA

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Catalog PERSTA Valves for industry

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