Oseco FAS04-2047-C Rupture Disc (Bursting Disc)
The Oseco FAS04-2047-C is a high-performance, 4-inch Type FAS forward-acting scored rupture disc engineered for reliable overpressure protection in demanding industrial environments. Constructed from premium 316 stainless steel, this bursting disc provides exceptional durability and corrosion resistance. It delivers precise pressure relief with a burst rating of 250.7 PSIG at 72°F and 200.0 PSIG at elevated temperatures up to 395°F. Fully UD and NB certified and proudly made in the USA, this Oseco pressure intelligence device ensures critical safety compliance and optimal flow performance for your pressure vessels and piping systems.
Technical Specifications:
- Brand: Oseco
- Part Number: FAS04-2047-C (Reorder# 53473-3-1)
- Type: FAS (Forward-Acting Scored)
- Size: 4 Inch
- Material: 316 Stainless Steel
- Burst Rating: 250.7 PSIG @ 72°F / 200.0 PSIG @ 395°F
- Effective Area / CAP: 12.73 in²
- Flow Resistance Factors: KB = 0.223, KrL = 0.190
- Certifications: UD and NB Certified
- Country of Origin: Made in the USA

| Brand | Oseco |
|---|---|
| Model | FAS04-2047-C |
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Shipping policy
If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
Our default shipping rate is $100, which is enough to cover the cost of most shipments, but it is not our expected shipping rate. Due to the varying weights and sizes of products and customer locations, please contact us with your location and the products you are interested in to get the best current shipping rates.
ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
Oseco FAS04-2047-C Rupture Disc (Bursting Disc)
Shop the Oseco FAS04-2047-C 4-inch 316SS forward-acting rupture disc. This UD/NB certified bursting disc features a precise 250.7 PSIG burst rating at 72°F, offering reliable, USA-made overpressure protection for your industrial systems.

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