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MERSEN Rupture Disc: 40 psig Burst Pressure, 4 in Compatible Pipe Size - Rupture Discs
MERSENRupture Discs

MERSEN Rupture Disc: 40 psig Burst Pressure, 4 in Compatible Pipe Size

The MERSEN S3-04-40 is a graphite rupture disc with a 40 psig burst pressure, designed for 4-inch compatible pipe size and featuring a 6 3/10-inch overall diameter. This MERSEN product provides overpressure…

SKU 3G-OTH-440488

Brand
MERSEN
Item
Rupture Disc: 40 psig Burst Pressure, 4 in Compatible Pipe Size
Category
Rupture Discs
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Technical Specifications

MERSEN
Manufacturer Part Number
S3-04-40
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 S3-04-40 is a graphite rupture disc with a 40 psig burst pressure, designed for 4-inch compatible pipe size and featuring a 6 3/10-inch overall diameter. This MERSEN product provides overpressure protection in industrial systems.

Frequently Asked Questions

What is the MERSEN S3-04-40 rupture disc used for?

The MERSEN S3-04-40 graphite rupture disc provides overpressure protection in industrial piping systems. It is designed to burst at a set pressure of 40 psig, safeguarding equipment and personnel from dangerous pressure surges in applications such as chemical processing, oil and gas, and power generation.

What are the specifications of the MERSEN S3-04-40 rupture disc?

The MERSEN S3-04-40 has a burst pressure of 40 psig, a compatible pipe size of 4 inches, and an overall diameter of 6 3/10 inches. Its body is made of graphite, and the manufacturer part number is S3-04-40. This disc is designed for reliable overpressure relief in industrial systems.

Where to buy the MERSEN S3-04-40 rupture disc worldwide?

You can source the MERSEN S3-04-40 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 a system?

To select the correct MERSEN rupture disc, match the burst pressure (e.g., 40 psig) to your system's maximum allowable working pressure, and ensure the compatible pipe size (e.g., 4 inches) matches your piping. Verify the overall diameter fits your holder. Always consult system design parameters and MERSEN guidelines for proper 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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