Double Acting Type Bursting Discs – Rupture Discs

Our FDC double acting rupture discs featuring composite flat and dome types meet industry standards such as KS B ISO 4126, KOSHA, ASME Code Section VIII, API RP520, ISO-9001:2008.

Composite Flat Double Acting Type for Flange
Used with installation on Flange without holder
Composite/Flat structure ruptured by slit processed on Top disc
It consists of Top disc, Seal disc and Vacuum disc
Also available in KSROHD: Composite Flat Double Acting Type (same as KSROD but used with installation on FDC standard holder)
Also available in KSROF: Composite Flat Double Acting Type for Ferrule (same as KSROD but used with installation on Ferrule Connection without holder)

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Reverse Dome Knife Double Acting Type – Low Pressure
It is used with installation on FDC standard holder
Reversal structure ruptured by knife blade attached upper holder while dome is inverted
It consists of Support disc, Disc seal and Vacuum support
Possible to set differently rupture pressure to each direction
It is used for ultra low pressure with minimum 100mmAq of set pressure

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Composite Dome Flat Seat Double Acting Type
It is used with installation on FDC standard holder
Composite/Dome structure ruptured by slit processed on Top disc
It consists of Top disc, Seal disc and Vacuum disc
Also available in KSRRCFD: Composite Dome Flat Seat Double Acting Type for Ferrule (same as KSRRCHD but used with installation on Ferrule Connection without holder)

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