committed to research and develop the world's leading safety relief solutions

leader in safety and pressure relief technology, with domestic and international leading patents and technologies

reverse acting crocodile tooth rupture disc (ye series)


reverse acting crocodile tooth rupture disc (ye series)-j9九游会真人游戏第一品牌

solid metal with crocodile tooth design.

designed for non-fragmentation.

sizes : 25mm - 600mm

pressure: 0.21-50barg

operation ratio: 90%

vacuum support required:no

suitable for gas service only

standard holder: yja

reverse acting crocodile tooth rupture disc (ye series)

  • product details
  • download

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. 

we offer 24/7 emergency support. contact our instant access emergency line for immediate problem resolution.

tel: 86 516 8577 6002

whatsapp: 86 13912009262

international inquiries | e-mail:

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


 •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


previous:reverse acting slotted rupture disc (yf series )
next:reverse acting knife blade rupture disc (yd series)

back to list