MERSEN Rupture Disc: 20 psig Burst Pressure, 2 in Compatible Pipe Size
The MERSEN S3-02-20 is a graphite rupture disc with a 20 psig burst pressure, designed for 2-inch compatible pipe size and a 3 9/10-inch overall diameter. This overpressure protection device provides a single-use…
SKU 3G-OTH-440474
Need installation or engineering help?
Ask a question
Product Description
The MERSEN S3-02-20 is a graphite rupture disc with a 20 psig burst pressure, designed for 2-inch compatible pipe size and a 3 9/10-inch overall diameter. This overpressure protection device provides a single-use, non-reclosing pressure relief solution for industrial systems.
Frequently Asked Questions
What is the MERSEN S3-02-20 rupture disc used for?
The MERSEN S3-02-20 graphite rupture disc is a single-use, non-reclosing overpressure protection device. It is used in industrial systems to burst at a set pressure of 20 psig, safely relieving excess pressure and protecting downstream equipment from damage.
What are the specifications of the MERSEN S3-02-20 rupture disc?
The MERSEN S3-02-20 has a burst pressure of 20 psig, a compatible pipe size of 2 inches, and an overall diameter of 3 9/10 inches. Its body material is graphite, and the manufacturer part number is S3-02-20.
Where to buy the MERSEN S3-02-20 rupture disc worldwide?
You can source the MERSEN S3-02-20 rupture disc through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your overpressure protection needs.
How to select the correct MERSEN rupture disc for my system?
To select the correct MERSEN rupture disc, match the burst pressure (e.g., 20 psig) to your system's relief requirements, ensure the compatible pipe size (e.g., 2 in) fits your piping, and verify the overall diameter (e.g., 3 9/10 in) for proper installation. Consult a safety engineer for sizing.
Used in
Common applications for MERSENMERSEN Products
3G Electric supplies MERSEN rupture discs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














