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reverse acting scored rupture disc (yc series )


reverse acting scored rupture disc (yc series )-j9九游会真人游戏第一品牌

solid metal cross-scored design

designed for non-fragmentation.

sizes : 25mm- 600mm

pressure: 2-70barg

operation ratio: 90%

vacuum support required:no

suitable for gas service only

standard holder: yja

reverse acting scored rupture disc (yc series )

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the convex of reverse acting rupture disc is on the high pressure process side. when the metal disc is compression-loaded, the disk reverses and bursts along the prescored line 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 only

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 2barg to 70 barg

• resisting product build-up. the smooth convex side of the disc is exposed to the process media

• use of rupture discs in series with safety valves

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


 •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


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