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The Low Pressure LPS™ Reverse Buckling Disk and SRB-7RS Safety Head

The Low Pressure LPS™ Reverse Buckling Disk and SRB-7RS Safety Head
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The Low Pressure LPS™ Reverse Buckling Disk and SRB-7RS Safety Head - 1

TM Catalog 77-4002 The Low Pressure LPS™ Reverse Buckling Disk and SRB-7RS Safety Head Visit www.bsbsystems.com or www.bsb.ie for the most complete, up-to-date information. BS&B SAFETY SYSTEMS, L.L.C. BS&B SAFETY SYSTEMS LTD. LPSTM Rupture Disk U.S. patents 5,996,605 and 6,178,983 apply. Other patents pending.

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The Low Pressure LPS™ Reverse Buckling Disk and SRB-7RS Safety Head - 2

The LPS Rupture Disk was developed to provide low burst pressures from 5 psig (0.35 barg) using reverse buckling rupture disk technology. The LPS Rupture Disk, combined with the SRB-7RS® Safety Head, provides accuracy and reliability. The LPS uses SAF™ technology (Structural Apex Forming™) enabling very low burst pressures to be achieved with excellent opening characteristics. LPS Rupture Disk Material Options The LPS Rupture Disk is available in a range of corrosion resistant materials (see table on opposite page for details). Standard disk materials are Nickel alloy 200, Stainless Steel...

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The Low Pressure LPS™ Reverse Buckling Disk and SRB-7RS Safety Head - 3

Burst Pressure Tolerance Options The approach to LPS disk burst tolerance depends upon which International Code is being followed. For disks to comply with the ASME Code, please select a “manufacturing design range” and the “burst tolerance” applicable to the required burst pressure. For disks to comply with European or ISO standards, please select either a Performance Tolerance or a min/max burst pressure. Alternate larger tolerances are indicated where a cost savings can be offered. Burst Tolerance Burst tolerance is the +/- range of pressure over which a rupture disk can be expected to...

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The Low Pressure LPS™ Reverse Buckling Disk and SRB-7RS Safety Head - 4

SRB-7RS Safety Head Dimensions Installation in SRB-7RS™ Safety Head The LPS disk installed in an SRB-7RSTM Safety Head permits the correct torque to be applied in the workshop before installation into the process. The asymmetric locating pins ensure centering and orientation of the disk within the safety head. The performanceproven metal-to-metal “bite-type” seal in the safety head (2”/50 mm size and above) assures a leak-tight assembly. When installed properly into the SRB-7RS™ Safety Head, the assembly can be removed, inspected, cleaned carefully then reinstalled without replacing the...

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