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MERSEN Rupture Disc: 20 psig Burst Pressure, 3 in Compatible Pipe Size - Rupture Discs
MERSENRupture Discs

MERSEN Rupture Disc: 20 psig Burst Pressure, 3 in Compatible Pipe Size

The MERSEN S3-03-20 is a graphite rupture disc with a 20 psig burst pressure, designed for 3-inch compatible pipe size and featuring a 5 1/10-inch overall diameter. This overpressure protection device is constructed…

SKU 3G-OTH-440483

Brand
MERSEN
Item
Rupture Disc: 20 psig Burst Pressure, 3 in Compatible Pipe Size
Category
Rupture Discs
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Technical Specifications

MERSEN
Manufacturer Part Number
S3-03-20
Overall Dia
5 1/10 in
Body Material
Graphite
Compatible Pipe Size
3 in
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN S3-03-20 is a graphite rupture disc with a 20 psig burst pressure, designed for 3-inch compatible pipe size and featuring a 5 1/10-inch overall diameter. This overpressure protection device is constructed with a graphite body material.

Frequently Asked Questions

What is the MERSEN S3-03-20 rupture disc used for?

The MERSEN S3-03-20 graphite rupture disc is used for overpressure protection in industrial piping systems. It provides a precise burst pressure of 20 psig to prevent equipment damage or catastrophic failure in applications such as chemical processing, oil and gas, and pharmaceutical manufacturing.

What are the specifications of the MERSEN S3-03-20 rupture disc?

The MERSEN S3-03-20 has a burst pressure of 20 psig, a compatible pipe size of 3 inches, and an overall diameter of 5 1/10 inches. It is constructed with a graphite body material and is manufactured by MERSEN under part number S3-03-20.

Where to buy the MERSEN S3-03-20 rupture disc worldwide?

3G Electric supplies the MERSEN S3-03-20 rupture disc worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct MERSEN rupture disc for your system?

To select the correct MERSEN rupture disc, match the burst pressure (e.g., 20 psig) to your system's overpressure requirement, ensure the compatible pipe size (e.g., 3 inches) matches your piping, and verify the overall diameter fits your holder. Always consult a qualified engineer for sizing.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN 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.

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