Van điều khiển CVS Controls – USA

CVS Controls Ltd là một hãng van điều khiển và thiết bị đo lường, các  dòng chính

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Key Features

Size and Class

Series E Globe and Series EA Angle

Van điều khiển CVS Controls - USA

 

 

  • Single port, globe-style valve body with composition or metal seats.
  • Balanced valve plug, with push down to close action.

ED Design

  • Intended for general control applications over a wide variety of temperatures & pressure drops.
  • Uses upper piston seal ring and metal-to-metal seating.

ET Design

  • Intended for applications requiring low leakage rates with composition seating (TFE).
  • Offers tight shutoff requirements or metal-to-metal seating with higher temperature capabilities.
  • Valve plug has a two-piece upper seal.
  • For standard cages the flow direction is flow-down.
1″ thru 12″

Series H900/1500/2500 Valve Bodies

Van điều khiển CVS Controls - USA
  • Single port, globe style valve body with composition or metal seats.
  • Balanced valve plug, with push down to close action.

HD Series

  • Intended for general to high temperature control applications where tight shut off is not required.
  • Upper piston ring seal and metal to metal seating.
  • High temperature rating of -230C to 4500C (-9.40F to 8420F)

HT Series

  • Used in applications requiring low leakage rates and service temperatures ranging from -500C (-580F) to 232° C (450 °F).
  • Sealing is achieved with a pressure assisted Teflon seal ring.
  • For standard cages the flow direction is flow down.
Available in 3″, 4″, and 6″

Series D and DA Valve Bodies

Van điều khiển CVS Controls - USA
  • Used in oil production, power plants, and gas distribution, for high pressure applications.
  • Available in Globe and Angle style valve body.
  • CVS Series D flow characteristic is equal percent, and flow up through the seat ring.
  • CVS Series DA flow characteristic is flow in either direction.
  • Single port, screwed in metal seat ring, and has an unbalanced post guided valve plug.
  • Push down to close valve plug action.
  • Useful for throttling or on/off control of liquids or gases.
1″ thru 2″ in Classes 150 thru 2500

CVS Series EWD, EWS, EWT

Van điều khiển CVS Controls - USA
  • Single port globe-style valve bodies with cage guiding and metal to metal seating, or 3 piece clamped seat rings for tight shut off.
  • Push down to close valve plug action.

Design EWD

  • Intended for general control applications over a wide variety of temperatures and pressure drops.
  • Balanced valve plug with metal to metal seating.

Design EWS

  • Used for applications requiring better shut off than the EWD.
  • Unbalanced valve plug with metal to metal seating or optional metal to Teflon seating.

Design EWT

  • Suitable for applications with stringent shutoff requirements.
  • Balanced valve plug with metal to Teflon seating or metal to metal seating for higher temperatures.
Thru 16″ in Classes 150 thru 600

Series HPX Globe and Series HPAX Angle Valve Bodies

Van điều khiển CVS Controls - USA
  • Designed for high pressure applications in the process industry.
  • Valves are cage guided, with metal seats and quick change trim.
  • Balanced valve plug with push down to close valve action.
  • HPX are straight globe valve while the HPAX are an angled valve.

Flow Characteristics:

  • Equal Percent, Modified equal percent, linear, noise abatement, and anti-cavitation.
2″ Thru 6″ Classes 900, 1500, and 2500

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