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Instantly add the DZ/E-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, DZ/E-F

DZ/E-F Pressure or Vacuum Relief Valve, In-Line

Brand: PROTEGO
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The Protego in-line valve DZ/E-F is a state-of-the-art pressure or vacuum relief valve in right angle design for higher system pressures. 

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

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

As this device is equipped with a spring higher set pressures can be reached compared to the DZ/E.
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 used as pressure or vacuum relief valve
  • Compact right angle design saves space
  • Can be installed in explosion hazardous areas
  • Housing designed to psi: 150 (kpa: 1,034, bar: 10.34) (PN 10)
  • Spring loaded for elevated set pressures
  • Maintenance friendly design

1 - 2 of 2 Part Numbers
DZ/E-F
DZ/E-F
  • Model - In-Line Pressure or Vacuum Relief Valve, Standard Design
DZ/E-F-H
DZ/E-F-H
  • Model - In-Line Pressure or 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)

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 - 1-1/4” (DN 32)

  • 1-1/4” (DN 32) - 150# ASME B16.5

Flange Size - 1” (DN 25)

  • 1” (DN 25) - 150# ASME B16.5

Flange Size - 10” (DN 250)

  • 10” (DN 250) - 150# ASME B16.5

Flange Size - 12” (DN 300)

  • 12” (DN 300) - 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

Pressure Range

  • psi: -7.25 to 7.25 (kPa: -50 to 50, Mbar: -500 to 500)

Seat / Seal Material

  • Seal: Metal
  • Valve Seat: Stainless Steel

Spring Material

  • Stainless Steel

Documentation

Data Sheets

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