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MERSEN Rupture Disc: 25 psig Burst Pressure, 4 in Compatible Pipe Size - Rupture Discs
MERSENRupture Discs

MERSEN Rupture Disc: 25 psig Burst Pressure, 4 in Compatible Pipe Size

The MERSEN S3-04-25 is a graphite rupture disc with a 25 psig burst pressure, designed for 4-inch compatible pipe size and featuring a 6 3/10-inch overall diameter. This MERSEN-branded device provides overpressure…

SKU 3G-OTH-440508

Brand
MERSEN
Item
Rupture Disc: 25 psig Burst Pressure, 4 in Compatible Pipe Size
Category
Rupture Discs
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Technical Specifications

MERSEN
Manufacturer Part Number
S3-04-25
Overall Dia
6 3/10 in
Body Material
Graphite
Compatible Pipe Size
4 in
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN S3-04-25 is a graphite rupture disc with a 25 psig burst pressure, designed for 4-inch compatible pipe size and featuring a 6 3/10-inch overall diameter. This MERSEN-branded device provides overpressure protection in industrial systems.

Frequently Asked Questions

What is a MERSEN S3-04-25 rupture disc used for?

The MERSEN S3-04-25 graphite rupture disc provides overpressure protection in industrial piping systems. It bursts at a precise 25 psig to prevent equipment damage or catastrophic failure in applications such as chemical processing, oil and gas, and power generation.

What are the specifications of the MERSEN S3-04-25 rupture disc?

The MERSEN S3-04-25 has a burst pressure of 25 psig, a compatible pipe size of 4 in, and an overall diameter of 6 3/10 in. Its body material is graphite, making it suitable for corrosive environments. The manufacturer part number is S3-04-25.

Where to buy a MERSEN S3-04-25 rupture disc worldwide?

3G Electric supplies the MERSEN S3-04-25 rupture disc to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this overpressure protection device.

How to install a MERSEN graphite rupture disc?

Install the MERSEN S3-04-25 between flanges matching the 4 in pipe size, ensuring the disc is oriented correctly per the manufacturer's markings. Use proper torque on flange bolts to avoid damaging the graphite body. Always follow system-specific pressure ratings and safety procedures.

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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