Document P/N: 2A43495
Release Date: 02/27/2018
Revision: IR
6 of 16
Product Description:
Weir has expanded its comprehensive suite of overpressure relief products to fit a wide range of
operational requirements. Intended to be used in concert with SPM® Nitrogen or Spring Relief valves,
the SPM® EXL Pressure Relief Disc is designed to provide an additional level of protection for
personnel and equipment should an overpressure event occur during pumping operations.
The SPM® EXL Pressure Relief Disc features a replaceable disc, which can easily be changed on
site, allowing for flexibility in pressure ratings as well as lower replacement cost. This device requires
minimal maintenance and provides controlled discharge within a small tolerance band of the desired
rupture rating.
A variety of rupture disc kits are available to install into the assembly; depending on the desired
pressure needed. The design of the product helps facilitate the correct installation orientation of all
components.
Housing assemblies will only come with the main body, hex nut and rupture disc catcher as shown
below. Use page 5 to determine what Rupture Disc Kit will be needed for the desired burst pressure.
Housing Assembly
Arrow
indicates the
direction of
flow.
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