MERSEN S3-04-20B Graphite Rupture Disc, 4 in, 20 psig
The MERSEN Rupture Disc with Bar Support (MPN S3-04-20B) is a graphite-bodied overpressure safety device designed for 4-inch pipe systems. It is factory-set to burst at 20 psig, providing a precise pressure-relief…
SKU 3G-OTH-440489
Also listed as: S30420B · S3 04 20B
Local availability & support
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Compliance & shipping
- Hazardous material
- Not classified as hazardous
- California Prop 65 warning
- No warning recorded
- Licence required
- No licence required
- Safety Data Sheet
- Not available
- Special shipping
- Ships under standard freight
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Product Description
The MERSEN Rupture Disc with Bar Support (MPN S3-04-20B) is a graphite-bodied overpressure safety device designed for 4-inch pipe systems. It is factory-set to burst at 20 psig, providing a precise pressure-relief threshold. This disc is constructed with a graphite body and includes a bar support for structural integrity.
Frequently Asked Questions
What is a MERSEN rupture disc with bar support used for?
A MERSEN rupture disc with bar support is an overpressure safety device that protects piping systems and vessels from excessive pressure. It provides a precise, factory-set burst threshold at 20 psig for 4-inch pipe systems, ensuring reliable pressure relief in industrial processes.
What are the specifications of the MERSEN S3-04-20B rupture disc?
The MERSEN S3-04-20B rupture disc features a graphite body with bar support, a compatible pipe size of 4 in, and a factory-set burst pressure of 20 psig. It is designed for overpressure protection in industrial applications requiring a precise, non-reclosing relief device.
Where to buy MERSEN rupture discs worldwide?
3G Electric supplies MERSEN rupture discs worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine MERSEN parts like the S3-04-20B graphite disc with bar support, ensuring you receive the correct overpressure safety device for your system.
How to select a MERSEN rupture disc for a 4-inch pipe?
To select a MERSEN rupture disc for a 4-inch pipe, match the pipe size and required burst pressure. The S3-04-20B is factory-set at 20 psig with a graphite body and bar support. Always verify system operating conditions and consult a safety engineer to ensure the disc's burst rating aligns with your pressure relief requirements.
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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.
