Mersen 3G-OTH-440489 — Technical Specifications

Name: Mersen 3G-OTH-440489 MERSEN Rupture Disc with Bar Support: 20 psig Burst Pressure, 4 in Compatible Pipe Size, Graphite (MPN S3-04-20B). Key specifications — Brand: MERSEN; Body Material: Graphite.
Brand: Mersen

The MERSEN Rupture Disc with Bar Support (MPN S3-04-20B) is a graphite-bodied overpressure safety device designed for 4-inch pipe systems. It is factory-set to burst at 20 psig, providing a precise pressure-relief threshold. This disc is constructed with a graphite body and includes a bar support for structural integrity.

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Technical Specifications

Parameter	Value
Type	Graphite
Brand	MERSEN
Body Material	Graphite
Compatible Pipe Size	4 in
Manufacturer Part Number	S3-04-20B