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MERSEN Rupture Disc: 125 psig Burst Pressure, 3 in Compatible Pipe Size - Rupture Discs
MERSENRupture Discs

MERSEN Rupture Disc: 125 psig Burst Pressure, 3 in Compatible Pipe Size

The MERSEN S3-03-125 is a graphite rupture disc with a 125 psig burst pressure, designed for 3-inch compatible pipe size and featuring a 5 1/10-inch overall diameter. This MERSEN product provides overpressure…

SKU 3G-OTH-440486

Brand
MERSEN
Item
Rupture Disc: 125 psig Burst Pressure, 3 in Compatible Pipe Size
Category
Rupture Discs
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Technical Specifications

MERSEN
Manufacturer Part Number
S3-03-125
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 S3-03-125 is a graphite rupture disc with a 125 psig burst pressure, designed for 3-inch compatible pipe size and featuring a 5 1/10-inch overall diameter. This MERSEN product provides overpressure protection in industrial systems.

Frequently Asked Questions

What is the MERSEN S3-03-125 rupture disc used for?

The MERSEN S3-03-125 graphite rupture disc provides overpressure protection in industrial systems. It is designed to burst at 125 psig, safeguarding equipment and personnel in applications such as chemical processing, oil and gas, and pharmaceutical manufacturing where pressure relief is critical.

What are the specifications of the MERSEN S3-03-125 rupture disc?

The MERSEN S3-03-125 has a burst pressure of 125 psig, a compatible pipe size of 3 inches, and an overall diameter of 5 1/10 inches. Its body is made of graphite, and the manufacturer part number is S3-03-125. This disc is designed for overpressure protection in industrial systems.

Where to buy the MERSEN S3-03-125 rupture disc worldwide?

You can source the MERSEN S3-03-125 rupture disc through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this MERSEN overpressure protection component.

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

To select the correct MERSEN rupture disc, match the burst pressure (125 psig for the S3-03-125) to your system's maximum allowable working pressure. Ensure the compatible pipe size (3 inches) and overall diameter (5 1/10 inches) fit your installation. Consult a qualified engineer for proper sizing and application.

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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