Features
Standard sizes: 1/4″, 3/8″, 1/2″ (6.4,9.5,13mm)
- Pressure Ratings from 35 psid (2.41 bard) to 700 psid (48.28 bard)
- Opens along Circular Score
- Compression loaded, reverse buckling disk
- Standard materials: 316ss, Nickel 200, lnconel 600
Benefits
- Lowest possible burst pressure ratings available in small diameters
- Can operate up to 80% of its rated burst pressure
- Superior performance in cycling service
- Full opening in either gas or liquid service”
- Accurate and reliable burst ratings
- Minimal or no fragmentation
- Withstands full vacuum without extra support.
- Various holders designs are available to meet your application.
Typical Applications
- Lithium Batteries
- Fire Extinguisher
- Compressed Gas Cylinders
- Refrigeration Units
- Aerospace Missiles
- Aircraft Wheels
FRB® Rupture Disk (Bursting Disc) Selection Data
| Pressure Ratings at 72º F (22º C) For Gas or Vapor Service |
| DISK MATERIAL* |
| DISK SIZE |
NICKEL 200 |
INCONEL 600 |
316SS |
|
MIN |
MAX |
MIN |
MAX |
MIN |
MAX |
| IN |
MM |
PSID |
BARD |
PSID |
BARD
|
PSID
|
BARD |
PSID |
BARD |
PSID
|
BARD |
PSID |
BARD |
| 1/4 |
6.4 |
100 |
6.89 |
450 |
31.03 |
150 |
10.34 |
700 |
48.28 |
150 |
10.34 |
700 |
48.28 |
| 3/8 |
9.5 |
50 |
3.45 |
400 |
27.59 |
60 |
4.14 |
650 |
44.83 |
60 |
4.14 |
650 |
44.83 |
| 1/2 |
13 |
35 |
2.41 |
200 |
13.79 |
45 |
3.10 |
450 |
31.03 |
45 |
3.10 |
450 |
31.03 |
| Pressure Ratings at 72°F (22° C) For Liquid Service |
| DISK MATERIAL* |
| DISK SIZE |
NICKEL 200 |
INCONEL 600 |
316 SS |
|
MIN |
MAX |
MIN |
MAX |
MIN |
MAX |
| IN |
MM |
PSID |
BARD |
PSID |
BARD |
PSID |
BARD |
PSID |
BARD |
PSID
|
BARD |
PSID |
BARD |
| 1/4 |
6.4 |
250 |
17.24 |
450 |
31.03 |
250 |
17.24 |
700 |
48.28 |
250 |
17.24 |
700 |
48.28 |
| 3/8 |
9.5 |
150 |
10.34 |
400 |
27.59 |
150 |
10.34 |
650 |
44.83 |
150 |
10.34 |
650 |
44.83 |
| 1/2 |
13 |
80 |
5.52 |
200 |
13.79 |
80 |
5.52 |
450 |
31.03 |
80 |
5.52 |
450 |
31.03 |
* Consult factory for material and burst pressure availability.
Engineering Information
- Burst rating must be specified within the defined min/max pressures
- Consult factory for a burst range applicable to a specific burst pressure
- Minimum and maximum pressure ratings are applicable at 72°F (22° C)
NOTE
Recommended maximum temperature for each metal is:
| Metal |
°F |
°C |
| Nickel 200 |
750 |
399 |
| InconeI600 |
900 |
482 |
| 316SS |
900 |
482 |
Disk Dimensions
| NOMINAL SIZE INCHES |
“A” |
“B”** |
“C” |
“D” |
FLOW
DIAMETER |
OUTSIDE
DIAMETER |
INSIDE
DIAMETER |
MAXIMUM
HEIGHT |
| 1/4 |
.215 |
.550 |
.315 |
.030 |
| 3/8 |
.350 |
.935 |
.500 |
.050 |
| 1/2 |
.525 |
.935 |
.750 |
.060 |
**Consult factory over other available diameters.
NOTE: Products, specifications, and all data in this literature are subject to change without notice. Questions regarding product selection and specifications for specific applications should be directed to BS&B, Attn: Customer Service Department.
