Rupture Disc
A non-mechanical safety device to release overpressure exceeding the limit pressure in the pressure system.
Reverse Dome Knife Type
Install on the FDC standard holder to use
Inverted structure ruptured by the knife blade attached to the upper holder as the dome is inverted
High safety and strong corrosion resistance
Advantageous under back pressure, vacuum, pulsation conditions - No vacuum support required
Wide range of operating temperature conditions
High operating cost
Material |
Stainless Steel, Hastelloy, Monel, Nickel, Titanium, Tantalum, Duplex, Special Alloy, Aluminum, Etc. |
|---|---|
Temperature |
Max. 593℃ |
Vacuum support required |
No |
Spark |
Yes |
Fragment |
No |
Max. operating ratio |
90 % |
Available service phase |
Gas or vapor : Yes |
Liquid : No |
0.3~150kg/㎠ [1/2"~48"(15A~1,200A)]
Inquire separately for other specifications
Reverse Dome Shear Type
Installed and used in FDC standard Holder
Disc and Knife integrated
Shear-actuated structure ruptured by the knife ring attached to the upper disc as the dome is inverted
High safety and strong corrosion resistance
Advantageous under back pressure, vacuum, pulsation conditions – No vacuum support required
Wide operating temperature range
High operating ratio
Easier handling compared to KSRR
Material |
Stainless Steel, Hastelloy, Monel, Nickel, Titanium, Tantalum, Duplex, Special Alloy, Aluminum, Etc. |
Temperature |
-200℃ ~ 600℃ |
Vacuum support required |
No |
Spark |
No |
Fragment |
No |
Max. operating ratio |
90 % |
Available service phase |
Gas or vapor : Yes |
Liquid : Yes |
0.35~30kg/㎠ [1/2"~24"(15A~600A)]
Other specifications available upon request
Reverse Dome Buckling Type
Install on the flange without a separate holder to use
Shear-actuated structure ruptured by the knife shape of the control disc as the dome shape of the rupture disc is inverted
Can be used for all fluids such as liquid, gas, steam, vapor, sludge, and resin
High safety and strong corrosion resistance
Wide range of operating temperature conditions
High operating cost
Easy to handle with high resistance against external impact
Precise rupture performance and excellent reliability
Patented product
Material |
Stainless Steel, Hastelloy, Monel, Nickel, Titanium, Tantalum, Duplex, Special Alloy, Aluminum, Etc. |
Temperature |
Max. 593℃ |
Vacuum support required |
No |
Spark |
No |
Fragment |
No |
Max. operating ratio |
90 % |
Available service phase |
Gas or vapor : Yes |
Liquid : Yes |
0.1~100kg/㎠ [1/2"~36"(15A~900A)]
Other specifications available upon request
Reverse Dome Scored Type
Install on the FDC standard holder to use
An angle-activated flip/tear structure that reverses along a precisely processed Scored Line
Mainly applied to medium and high pressure
High safety, high corrosion resistance
Advantageous under back pressure, vacuum, pulsation conditions – No vacuum support required
Wide operating temperature range
High operating ratio
Material |
Stainless Steel, Hastelloy, Monel, Nickel, Titanium, Tantalum, Duplex, Special Alloy, Aluminum, Etc. |
Temperature |
Max. 593℃ |
Vacuum support required |
No |
Spark |
No |
Fragment |
No |
Max. operating ratio |
90 % |
Available service phase |
Gas or vapor : Yes |
Liquid : Yes |
1.5~150kg/㎠ [1/2"~24"(15A~600A)]
Other specifications available upon request
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Reverse Dome Scored Type (Figure C)
An angle-activated flip/tear structure that reverses along a precisely machined Scored Line, C-shaped
Mainly applied to medium pressures
High safety and strong corrosion resistance
Advantageous under back pressure, vacuum, pulsation conditions – No vacuum support required
Wide operating temperature range
High operating ratio
Material |
Stainless Steel, Hastelloy, Monel, Nickel, Titanium, Tantalum, Duplex, Special Alloy, Aluminum, Etc. |
Temperature |
Max. 593℃ |
Vacuum support required |
No |
Spark |
No |
Fragment |
No |
Max. operating ratio |
90 % |
Available service phase |
Gas or vapor : Yes |
Liquid : Yes |
0.3~150kg/㎠ [1/2"~32"(15A~800A)]
Other specifications available upon request
Reverse Dome Buckling Knife Type
Installed and used in FDC standard Holder
Consists of a Control Disc and a Seal Disc
Shear-actuated structure ruptured by the knife shape of the control disc as the dome shape of the rupture disc is inverted
Can be used for all fluids such as liquid, gas, steam, vapor, sludge, and resin
High safety and strong corrosion resistance
Advantageous under back pressure, vacuum, pulsation conditions – No vacuum support required
Wide operating temperature range
High operating ratio
Resistant to external impact, easy handling
Precise rupture performance and excellent reliability
Patented product
Material |
Stainless Steel, Hastelloy, Monel, Nickel, Titanium, Tantalum, Duplex, Special Alloy, Aluminum, Etc. |
Temperature |
Max. 593℃ |
Vacuum support required |
No |
Spark |
No |
Fragment |
No |
Max. operating ratio |
90 % |
Available service phase |
Gas or vapor : Yes |
Liquid : Yes |
0.1~100kg/㎠ [1/2"~36"(15A~900A)]
Other specifications available upon request
