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Consolidateds 1900 Pressure Relief Valves

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Over 100 years of research, engineering, manufacturing, ... Available with open or closed bonnet. For critical applications where bellows backup is required ... – PowerPoint PPT presentation

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Title: Consolidateds 1900 Pressure Relief Valves


1
Consolidateds 1900Pressure Relief Valves
  • DESIGN
  • Superior design for the demanding requirements of
    the process market
  • EXPERIENCE
  • Over 100 years of research, engineering,
    manufacturing, and application knowledge
  • 100,000 valves in service
  • HEAVY DUTY CONSTRUCTION
  • Robust construction allows higher set pressures
  • Longer valve life
  • Heavy construction can mean fewer valves, a
    substantial cost savings
  • COST EFFECTIVE VALVE MANAGEMENT SERVICES
  • Valves designed for lowest life-cycle cost
  • Global aftermarket network of Green Tag Service
    Centers is industry leader in valve service
    management
  • Industry leading sizing and selection software
  • Safety systems evaluation and optimization

Green Tag is a registered trademark of Dresser
Inc.
2
CONVENTIONAL
  • The Designs You Need

1900-35 BALANCED BELLOWS WITH PISTON BACKUP
BALANCED BELLOWS
1900 P SERIES ASME SEC. I
For applications with excessive build-up or
superimposed back pressure
Designed for Blocked Flow or Accidental Fire
over-pressure protection
For steam or organic vapor service. Available
with open or closed bonnet
For critical applications where bellows backup is
required
3
Materials for the Most Demanding Applications
  • A WIDER RANGE OF TEMPERATURES
  • From -425oF (-254oC) to 1500oF (816oC) Ask for
    a copy of our Lloyds Register Low Temp. Test
    Certification.
  • MORE MATERIALS
  • Standard options for corrosive services, Monel
    Hastelloy, alloy 20, duplex, super duplex,
    titanium, zirconium
  • Custom options available
  • INDUSTRY SPECIFIC DESIGNS
  • Special design for HF Alky applications.
    Developed in conjunction with a leading HF Alky
    process system designer

Monel is a registered trademark of INCO
Alloys/Special Metals Hastelloy is a registered
trademark of Haynes International
4
A Soft Seat, With Metal BackupAdded Safety for
the Most Critical Condition
SNAP RING REDUCES DAMAGE TO DISC
DURING MAINTENANCE
  • A secondary metal seat backup assures sealing
    during accidental fire conditions, when flammable
    media containment is essential
  • Soft seats conserve expensive media and reduce
    fugitive emissions
  • Unique design uses operating pressure to assist
    the sealing force
  • Superior soft seat design can be used for set
    pressures to 6000 psig (413 Barg). Many other
    manufacturers are limited to 1500 psig (103 Barg)

METAL BACKUP
5
THERMODISC seat seal Lowers Maintenance Cost
Flexible Lip
5o Angle
System Pressure
Nozzles shape changes during temp. fluctuations
6
The Eductor Tube Advantage
EDUCTOR TUBE
  • FAST RESPONSE
  • Increases the lifting force for faster response
    to dangerous system overpressure
  • SHORTENED SYSTEM UPSET
  • Ensures full rated capacity at low overpressure.
    Full open sooner and at lower overpressure for
    quicker reduction of system upset condition
  • LESS WASTE OF EXPENSIVE MEDIA
  • Provides a uniform response to blow down control
    adjustment, conserving your media and saving you
    money

FLOW PATH OF FLUID THROUGH THE VALVE
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