Reverse Acting Crocodile Tooth Rupture Disk (YE Series)

The convex of reverse acting rupture disc is on the high pressure process side. When the metal disc is compression-loaded, the disk reverses with a crocodile tooth diaphragm cutting it to relieve pressure.

Note: Types and Specifications of Safety devices need to be calculated and selected according to the specific working conditions of the protected equipments and systems before quotations. 

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Technical features:

• Non-fragmentation design

• Operating ratios up to 90% of the low end of burst tolerance

• Disc design offers high cycle life(compared with forward acting rupture disc)

• Suitable for gas service 

• Standard manufacturing design range and total tolerance ensures marked rating on disk tag does not exceed the MAWP of equipment

• Withstand full vacuum without additional support 

• Wide range of standard and exotic materials available 

• Sizes from 25mm to 600mm 

• Burst ratings from 0.21barg to 50 barg

• Use of rupture discs in combination with safety valves

• 3-dimensional stainless steel tag engraved with complete disc specifications

Options

 •Fluoropolymer liners or coatings

 •Burst Indicator

*Note: The maximum temperature rating of rupture disks supplied with liners and BI is lower than the base disk material. 

Protection of Safety Relief Valve

• When a disk is mounted under a Safety Relief Valve, the working components of the valve are isolated from hostile environments.

• Tell-Tale Assembly：Pressure Gauge,Tee,Excess Flow Valve,Tube