Screw-Type Rupture Disc Assemblies

Screw-Type Rupture Disc Assemblies

Tite-Seal and Screw Type Assemblies are complete rupture disc (bursting disc) and holder units specifically designed for use on various types of pressurized "mini systems" such as air conditioning systems, refrigeration units, hydraulic accumulators, gas cylinders, portable compressed air systems and laboratory equipment.

SRA Screw Type and Screw Type Holders are available for pressures ranging up to 15,000 psig. The Screw Type holder is supplied with MNPT inlet threads in combination with MNPT, free or muffled outlets. Also offered with BSPT, BSPP and SAE industry standard threaded connections. The SRA Rupture Discs are to be used in the SRA Screw Type holder. The Standard, and Composite Rupture Discs are used in the Screw Type holders. Special high pressure designs are available.


Nominal Size Range: 0.5" - 0.68" (17mm - 13mm)

Burst Pressure Range: 30psig - 20000psig (2barg - 1379barg)

Recommended Operating Ratio: 70 - 80% of the rupture disc's rated (stamped) burst pressure.

Seating Configuration: 30° Seat or Flat Seat

Service: Liquid or Gas

B.D.I.® Alarm System Compatible?: No

ASME Code Symbol Stamp Available? : Yes

Materials not indicated or shown may be available by special design. Contact the factory for more information.