Emergency need for over pressure accidents or any process safety requirement, contact: bsb@sanmargroup.com Ph.no - 91 44 2450 4200
Custom Engineered Products (CEP)

Standard features:

    "Combining Custom with Economy"
  • A wide range of standard and custom designed rupture disk assemblies are available for your specific application
  • Assemblies are designed to be discarded after disk rupture; other designs permit the replacement of the ruptured disk
  • Customized designs are available for customer applications which cannot be met using standard assembly designs
  • 1/8-6 inches (3-150mm)
  • Burst pressures from 1-100,000 psig (0.07-6,900barg)
  • Disk assemblies include soldered, welded, crimped and threaded designs

Product Offerings

LPS™ Series
LPS Series
Solid metal design
Low burst pressure from 5 psig (0.35 barg)
Designed for gas, liquid or two phase service
Fail safe: damage safety ratio < 1
Designed for non-fragmentation
Vacuum and back pressure resistant
High operating ratio: 90% of minimum burst pressure
Reverse buckling disk in sizes: 1-12 inches (25-300 mm)
For installation in Types SRI-7RS and SRB-7RS, S90-7R, SRB-7FS, SPR-7R, SR-7R and Torqued Resistant safety heads
US patents 6178983, 6321582, 6446653, 6494074 and international patents apply
Sanitary/Aseptic options are available
QRB™ Series
QRB Series
Superior high pressure cycle resistance / life
Circular Scored Opening
Pressure Cycle Resistant
Disk sizes: 1/4” (6mm), 3/8” (9mm), 1/2” (12mm) and 3/4” (19mm)
Resists full vacuum
90% operating ratio
Standard burst tolerance ±5%
Gas or liquid service capability (specify)
Back pressure resistance always equal to burst rating; can be manipulated between 1.0 and 1.5 rating
Standard materials: 316ss, nickel 200, Inconel® 600, Hastelloy® C and Monel®
US and International patents pending
MRB™ Series
MRB Series
Sizes from 1/4" (6 mm) and up
Pressure ratings available up to 70,000 psig (4,800 barg)
Opens full bore with no flow restrictions
Design assures long service life with a very high resistance to fatigue
Operates up to 90% of disk pressure rating
Accurate and reliable burst ratings
Superior performance in cycling service
Withstands full vacuum
Standard and custom holder designs are available
Non-torque sensitive
Mini XT™ Series
Mini XT Series
Solid metal, tension loaded rupture disk
Standard sizes: 3/16", 1/4", 3/8", 1/2" and 3/4" (4.8 mm, 6 mm, 9 mm, 12.7 mm and 19 mm)
Standard materials: 316ss, nickel 200, Inconel® 600, Hastelloy® C and Monel®
Domed solid metal disk with circular score opening
Pressure ratings from 300 to 20,000 psig (22 to 1,379 barg)
Resists full vacuum
Opens full bore with no flow restrictions
Designed for gas service or gas driven liquid service
‘X’ shaped score pattern; designed for non-fragmentation
FRB™ Series
FRB Series
Standard sizes: 1/8, 1/4, 3/8 , 1/2, and 3/4 inch (3, 6, 9, 12 and 19 mm)
Pressure ratings from 20 to 900 psig (1.4 to 62 barg)
Full opening along circular score
Solid metal, reverse buckling technology
Standard materials: 316ss, nickel 200, Inconel® 600 and aluminum


Catalogues, Brochures and Installation Instructions


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