Sta-Saf® Systems
The Sta-Saf® system is the combination of solid metal reverse buckling disks with pre-torqued safety heads
Standard features:
- Operating ratio up to 100% (CE) / 95% (ASME)
- Full vacuum resistant
- SRB-7RS and SRB-7FS pre-torqued safety heads
- Solid metal construction enabling optimum leak tightness
- Designed for non-fragmentation
- Recommended for isolation of pressure relief valves
Product Offerings
Sigma™ and Sigma EXL™
Enhanced Performance Reverse Buckling DiskDisk Sizes: 1-12 inches (25-300mm)
Burst Pressures: 15-500 psig (1-34.5barg)
Material: *Standard, except aluminum
Service Phase: Gas or liquid
SKR™
Low Flow Resistance Reverse Buckling DiskDisk Sizes: 1-12 inches (25-300mm)
Burst Pressures: 15-500 psig (1-34.5barg)
Material: *Standard, except aluminum
Service Phase: Gas or liquid
LPS™
Non Scored Low Pressure Reverse Buckling DiskDisk Sizes: 1-12 inches (25-300mm)
Burst Pressures: 15-500 psig (1-34.5barg)
Material: *Standard, except aluminum
Service Phase: Gas or liquid
SRD™/SRD-L™
Precision Circular-Scored Reverse Buckling Rupture DiskDisk Sizes: 1-12 inches (25-300mm)
Burst Pressures: 15-500 psig (1-34.5barg)
Material: *Standard, except aluminum
Service Phase: Gas or liquid
S-90™
Cross Scored Medium to High Pressure Reverse Buckling DiskDisk Sizes: 1-12 inches (25-300mm)
Burst Pressures: 15-500 psig (1-34.5barg)
Material: *Standard, except aluminum
Service Phase: Gas or liquid
RLS™
Medium to High Pressure Scored Reverse Buckling DiskDisk Sizes: 1-12 inches (25-300mm)
Burst Pressures: 15-500 psig (1-34.5barg)
Material: *Standard, except aluminum
Service Phase: Gas or liquid
JRS™
Non Scored Low Pressure Reverse Buckling DiskDisk Sizes: 1-12 inches (25-300mm)
Burst Pressures: 15-500 psig (1-34.5barg)
Material: *Standard, except aluminum
Service Phase: Gas or liquid
FRS™ /FRL™
High Cycling Frustum Reverse Buckling DiskDisk Sizes: 1-12 inches (25-300mm)
Burst Pressures: 15-500 psig (1-34.5barg)
Material: *Standard, except aluminum
Service Phase: Gas or liquid
For more details and comparison: Download RDD Quick reference guide
* Standard materials: aluminum, nickel alloy 200, Inconel® alloy 600, Monel®
alloy 400, 316L ss, Hastelloy® alloy
C-276, tantalum, titanium, Hastelloy® alloy C-22, Inconel® alloy 625,
niobium.
