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Rupture Discs

Sanitary Size Range Burst Pressure Operating Ratio Non-Fragmenting Vacuum Resistant Pulsating/
Cyclic
Process Media Holders
smaxiussc AXIUS SC*
Advanced Design/G2 Technology Superior Cycling Performance Smooth, Reverse Acting
1-4 in. DN25-100 10-275 PSIG 0.69-18.96 BARG 95% Yes Yes Best Liquid/ Vapor/Gas ferrules naconnect
smsrh SR-H*
Excellent Liquid Performance Scored, Reverse Acting
1 1/2-4 in. DN40-100 12-140 PSIG 0.83-9.66 BARG 90% Yes Yes Good Liquid/ Vapor/Gas ferrulesnaconnect
smshx SHX*
Higher Pressure Applications Cross Scored, Forward Acting
1 1/2-2 in. DN40-50 300-1500 PSIG 20.68-103.42 BARG 90% Yes Yes Good Liquid/ Vapor/Gas ferrules naconnect
smlov LOV
Superior Opening Bi-Directional
3-8 in. DN80-200 1″WC-150 PSIG 0.002-10.34 BARG 80% Yes No NR* Vapor/Gas insert ferrules
Reverse Acting
 smaxius AXIUS*
Advanced Design/G2 Technology Smooth Cycling Performance Long Service Life/Efficient
1-12 in. DN25-300 7-600 PSIG 0.48-41.37 BARG 95% Yes Yes Best Liquid Vapor/Gas insert smpretorq
 smatlas ATLAS*
Advanced Design/G2 Technology Smooth Cycling Performance Long Service Life/Efficient
1-4 in. DN25-100 60-1375 PSIG 4.14-94.80 BARG 95% Yes Yes Best Liquid Vapor/Gas insert
 smsrl SRL*
Good in Liquid Applications Perimeter Scored
1-8 in. DN25-200 10-320 PSIG 0.69-22.06 BARG 90% Yes Yes Good Liquid Vapor/Gas insert smpretorq
 smsrx SRX*
Long Service Life Reliable
1-24 in. DN25-600 27-720 PSIG 1.9-49.7 BARG 90% Yes Yes Good Vapor/Gas insert smpretorq
Forward Acting Scored
 smpolysd POLY-SD*
Ideal for Polymerization Processes
1/2-24 in. DN15-600 15-3000 PSIG 1.03-206.84 BARG 90% Yes Yes Good Liquid Vapor/Gas insert smpretorq
 smscrd SCRD*
High Pressure Applications, Protection of PRV/SRV’s
1/2-24 in. DN15-600 20-6000 PSIG 1.38-413.69 BARG 90% Yes Yes Good Liquid Vapor/Gas insert smscrtyp smutyp
Forward Acting Composite
smho HO Series
Wide Range of Sizes/Burst Pressures, Wide Range of Applications
1-24 in. DN25-600 1.5-6000 PSIG 0.10-413.69 BARG 80% No Yes Good Liquid Vapor/Gas insert smutyp
smad AD Series
Protection of Atmospheric Vessels AD-H for Sanitary Applications
1.5-24 in. DN40-600 1-15 PSIG 0.07-1.03 BARG 50% No Yes NR* Liquid Vapor/Gas ferrules
Conventional
 smpseries P Series
Wide Range of Sizes/Burst Pressures, Economical
1/2-24 in. DN15-600 1.5-11000 PSIG 0.10-758.42 BARG 70% No Yes Better Liquid Vapor/Gas  insert smscrtyp smutyp
Special Applications
smerd ERD
Protection for extrusion processes in a variety of sizes and burst pressures
0.1875-5 in. DN4.5-127 1500-50,000 PSIG 103.4- >3448 BARG 90% Good Liquid Vapor/Gas
smgd GD Series
Graphite construction that is inert to most chemicals
0.5-24 in. DN15-600 0.25-1000 PSIG 0.02- >68.95 BARG 90% Good Liquid Vapor/Gas


* Good for Pressure/Safety Relief Valve Protection Applications NR* – Not Recommended

NR*:  Not Recommended