Performance Features

  • 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

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  • Sizes & Pressures
  • Burst Tolerance
  • Assemblies
  • Documentation

Sizes & Pressures

Mini XT™ Disk Specifications Minimum/Maximum Pressure with Rating at 72° (22°C)

Disk Size Nickel Alloy 200 Inconel® Alloy 600 316ss Aluminum
in mm psig barg psig barg psig barg psig barg
min max min max min max min max min max min max min max min max
0.25 6 3,000 20,000 207 1,380 3,000 20,000 207 1,380 3,000 20,000 207 1,380 290 * 20 *
0.375 9 3,000 20,000 207 1,380 3,000 20,000 207 1,380 3,000 20,000 207 1,380 200 * 14 *
0.5 13 3,000 20,000 207 1,380 3,000 20,000 207 1,380 3,000 20,000 ,207 1,380 140 * 10 *
0.75 19 170 * 12 * 230 * 16 * 425 * 29 * 90 * 6 *
1 25 100 1,450 7 100 165 1,450 11 100 175 1,450 12 100 80 1,450 6 100

*Maximum burst pressures are handled on a case by case basis.
Note: Hastelloy® is a trademark of Haynes International Inc. Monel® and Inconel® are registered trademarks of Special Metals Corporation and its subsidiaries.

Burst Tolerance

Marked Burst Pressure Burst Tolerance
≤ 40 psig (2.76 barg) ± 2 psig (0.138 barg)
> 40 psig (2.76 barg) ± 5%

Standard Assembly Options

Sta-Kul™ Brass Body

TorqueFit

Welded Cassettes

Welded Assembly

Threaded Assembly

Product Literature

Threaded Rupture Disk Assemblies
Custom Engineered Products
Burst Alert Sensors
Detec Saf Alarm System - Burst Disk Monitor