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Safety Burst Discs 6000psi burst disc SAFETY BURST DISC (PK OF 10) | FT10791-6

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Description & Features

Supplied in packs of ten, these WEBTEC safety burst discs are precision-manufactured components intended to provide reliable overpressure protection within hydraulic circuits. Each disc is fabricated from Nickel 2.4066, a corrosion-resistant material well suited to demanding hydraulic environments.

Rated to a maximum pressure of 420 bar (6000 psi) and compatible with flow rates up to 400 L/min (100 US gpm), the discs are engineered to rupture consistently within their specified tolerance band. This predictable failure behaviour is central to their function as a protective device, helping to safeguard downstream components during pressure excursions.

At just 0.01 kg per disc, the lightweight construction has minimal impact on system weight.

SKU: FT10791-6

Specifications

Brand
Webtec
Pack Size
1.00
UOM
EA
Body Materials
NICKEL 2.4066
Gross Weight
0.01 kg, 0.022 lbs
Maximum Rated Flow
400 L/min, 100 US gpm
Max Rated Pressure
420 bar, 6000 psi
Net Weight
0.01 kg, 0.022 lbs
Product Weight
0.99 lbs

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Product Questions & Answers (2)

Question by: Earl J on Jun 28, 2025, 4:03 PM
Do these burst discs have a specific pressure rating for safe operation?
Answer by: Customer Support on Jun 30, 2025, 10:18 AM
Safety burst discs are designed to rupture at a specific pressure to protect systems from overpressure. These particular discs have a maximum pressure rating of 6000 psi, ensuring they operate safely within this limit.
Question by: Doug F on Dec 22, 2025, 7:00 AM
these burst discs rated for 6000 psi -- is that the point they're supposed to let go, or is there some tolerance above that before they actually rupture?
Answer by: Customer Support on Dec 23, 2025, 1:47 PM
At 420 bar (6000 psi), that is the rated burst pressure. The discs are manufactured to rupture within their tolerance band around that value, so they should not hold significantly beyond it. They are not meant to be a hard ceiling you push against repeatedly. Once pressure hits that range, the disc goes. That is the whole point of the design. Each disc is a single-use protective element, so plan for replacement after any activation.