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POPR

A rupture disc is installed on a pressure vessel or a pipe line and gets ruptured when the pressure exceeds the safety limit or the regulatory limits, so that the overpressure can be discharged to a safe place and the pressure vessel and the pipe line can be protected from damages


  • ο  The POPR(REVERSE BUCKLING KNIFE-BLADE) rupture disc is manufactured in the reverse dome shape. The disk is reversed by the knife of the holder (outlet). It is divided into four fl oral leaves and broken.

    ο  The knife-blade consists of the same four pieces without fragments and cuts through the rupture disc. It is the type without contamination generated by the metal in the process.

    ο  It can be used widely in the gas, steam, and liquid areas.

    ο  It is the type enduring the back pressure, vacuum, and pulsation well.

    ο  It should be mounted with the standard holder of our company for use.

    • STANDARDS : ASME CODE SEC. VIII, API RP520, KS B ISO 4126, KOSHA CODE
    • SIZE : 1/2" ~ 48"
    • CONNECTION : JIS, ANSI, DIN, API, etc
    • SETTING PRESS. : 0.14 ~ 140bar
    • MAX. TEMP. : 538℃(1000℉)
    • MATERIAL : 304/316/316L SST, Nickel 200, Monel 400, Inconel 600, Hastelloy C276,Titanium, Tantalum, etc
    • OPERATING RATIO : 90% of the tagged burst pressure
    • FLUID STATE : Gas/Vapor, Steam, Liquid
    • NON-FRAGMENTING : YES
    • VACUUM RESISTANT : Withstands full vacuum without the aid of vacuum suport
    • BURST TOLERANCE : Above 3bar ±5%, Below 3bar ±0.15bar(Adjustable at customer’s request)
    • MFG. RANGE : 0%

ο  It is the type suitable to the application of middle and high pressure.

ο  It is the solid disc type. It has the excellent safety grade. It excels in resisting high temperature and corrosiveness.

ο  The disc material quality can be applied variously according to the temperature and corrosiveness of fl uid. (SUS316L, Nickel, Monel, Inconel, Titanium, etc.)

ο  The vacuum support is unnecessary. It is cheaper than the disc of another model.

ο  It is the single-layered structure type formed by the rupture design.

ο  The disc rupture can be monitored in the control room by applying the alarm sensor system. (Optional)

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