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Instantly add the DV/ZT-F Pressure or Vacuum Relief Valve, In-Line and 50,000+ more product series to your store or catalog  
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Protego Pressure or Vacuum Relief Valve, In-Line, DV/ZT-F

DV/ZT-F Pressure or Vacuum Relief Valve, In-Line

Brand: PROTEGO
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The Protego in-line valve DV/ZT-F is a state-of-the-art pressure and vacuum relief valve. 

Typically the valve is installed in the in-and out-breathing lines of tanks, vessels and process apparatus to protect against unallowable high and low pressure. 

The valve prevents emission losses almost up to the set pressure and provides protection from product entry into the system. 

Due to its design the vacuum valve pallet is one size smaller than the pressure valve pallet. 

Due to the spring loaded design higher set pressures can be achieved.
Features
  • "Full lift type" technology valve utilizes only 10% overpressure to reach full lift
  • High performance seal reducing product loss below EPA’s 500 ppm rule preventing environmental pollution
  • Based on 10% technology the set pressure is close to the opening pressure which results in best possible pressure management of the system compared to conventional 40% or 100% technology valves
  • Optimized flow performance, which reduces capital cost to a minimum as smaller sized valves may be used
  • Can be installed in explosion hazardous areas
  • Housing designed to psi: 150 (kpa: 1,034, bar: 10.34) (PN 10)
  • Spring loaded on pressure side to achieve higher set pressures
  • Maintenance friendly design

1 - 2 of 2 Part Numbers
DV/ZT-F
DV/ZT-F
  • Model - In-Line Pressure & Vacuum Relief Valve, Standard Design
DV/ZT-F-H
DV/ZT-F-H
  • Model - In-Line Pressure & Vacuum Relief Valve with Heating Jacket
1 - 2 of 2 Part Numbers

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Specifications

Brand

Approvals & Certifications

  • ISO 6358, ISO 16016
  • TÜV (Technischer Uberwachungsverein)

Diaphragm Material

  • FEP

Enclosure Finish

  • ECTFE

Enclosure, Body Material

  • Stainless Steel
  • Steel

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150# ASME B16.5

Flange Size - 10” (DN 250)

  • 10” (DN 250) - 150# ASME B16.5

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150# ASME B16.5

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 150# ASME B16.5

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 150# ASME B16.5

Flange Size - 6” (DN 150)

  • 6” (DN 150) - 150# ASME B16.5

Flange Size - 8” (DN 200)

  • 8” (DN 200) - 150# ASME B16.5

Flange Type

  • Raised Face (RF)
  • Smooth Finish

Gasket Material

  • PTFE

Materials of Construction

  • Heating Jacket, Valve Pallet: Stainless Steel
  • Heating Jacket: Steel
  • Valve Pallet: Aluminum

Pressure Range

  • psi: -0.725 to -0.050 (kPa: -5 to -0.35, Mbar: -50 to -3.5) - Vacuum
  • psi: 0.870 to 7.252 (kPa: 6 to 50, Mbar: 60 to 500)

Seat / Seal Material

  • Seal: FEP
  • Seal: Metal
  • Valve Seat: Stainless Steel

Spring Material

  • Pressure Spring: Stainless Steel

Documentation

Data Sheets

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