Rupture Disk (Bursting Disc) type AV? for Atmospheric Vessels

Product catalog summary

Overview: The document provides technical specifications and features of the BS&B Type AVTM low pressure rupture disk, designed for direct flange installation in atmospheric vessels.

Features:

Available in sizes ranging from 1 to 48 inches (25-1,200mm).
Equipped with gaskets on both sides.
Low burst pressures between 0.25-40 psi (0.02-2.76 bar).
Damage safety ratio is less than 1.
Manufacturing design range options include 0, -5%, and -10% (not available for all burst pressures).
Operates up to 60% of the minimum burst pressure.
Vacuum resistance up to 35% of the minimum burst pressure, with an option for greater resistance using model AVV.

Burst Pressure Capability:

Standard materials include stainless steel, nickel, Monel®, Inconel®, Hastelloy® C276, and Tantalum.
Gaskets are made from compressed fiber and glass-filled PTFE.
Seals are available in TEF, PFA, Dialectrix, and TFE.

Burst Tolerance:

For burst pressures less than 5 psi, tolerance is +/- 1 psi.
For burst pressures less than 20 psi, tolerance is +/- 1.5 psi.
For burst pressures greater than 20 psi, tolerance is +/- 2 psi.
For burst pressures greater than 40 psi, tolerance is +5%.

Design Temperature Range:

Minimum: -40ºF (-40ºC).
Maximum: 500ºF (260ºC) for TFE, 400ºF (205ºC) for TEF.
PFA: -40° to 500°F (-40° to 260°C).
Dialectrix: -40° to 400°F (-40° to 205°C).

Product Variants:

AV: Two-way low burst pressure.
AVV: One-way burst, vacuum resistant.
AV-E: One-way, no vacuum resistance.
AV-EL: Two-way, clean service variant.
V-AV: One-way, vacuum burst direction with 15 psi back pressure resistance.

Contact Information: The document lists contact details for BS&B offices worldwide, including locations in the USA, Canada, Brazil, Mexico, Ireland, UK, Germany, UAE, Russia, China, India, Singapore, Japan, and the Netherlands.

Note: All specifications and data are subject to change without notice. For specific applications, contact BS&B directly.

Catalog excerpts

Rupture Disk (Bursting Disc) type AV? for Atmospheric Vessels-1

Low Pressure Rupture Disk Overpressure protection for atmospheric vessels BS&B’s type AVTM disk is a low pressure rupture disk designed for direct ange installation. Features • Sizes 1-48 inches (25-1,200mm) • Gaskets attached on both sides • Low burst pressures: 0.25-40 psi (0.02-2.76bar) • Damage safety ratio < 1 • Manufacturing design range 0, -5%, -10% (Not available in all burst pressures.) • Operates up to 60% of minimum burst pressure • Vacuum resistant to 35% of minimum burst pressure. For greater vacuum resistance use model AVV with integral nonopening vacuum support (60% net opening area) Burst Pressure Capability Nominal size Standard materials Gaskets Compressed fiber, glass filled PTFE, others upon request Stainless steel (standard) Nickel Monel® Inconel® Hastelloy® C276 Tantalum Stainless steel barg Nominal burst pressure Burst tolerance Hastelloy is a trademark of Haynes International Inc. Monel® and Inconel® are trademarks of Inco Alloys International, Inc ® Burst Tolerance Vacuum or back pressure supports Stainless steel (standard) Nickel Monel® Inconel® Hastelloy® C276 Tantalum Contact BS&B for burst pressures for Nickel, Monel , Inconel , Hastelloy® C276, Tantalum. Contact BS&B for burst pressures on disk sizes 50” (1270mm) and higher. ®

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Rupture Disk (Bursting Disc) type AV? for Atmospheric Vessels-2

Design Temperature Range AV Rupture Disk Range AV: two-way low burst pressure AVV: one-way burst, vacuum resistant AV-E: one-way, no vacuum resistance AV-EL: two-way, clean service variant V-AV: one-way, vacuum burst direction with 15 psi back pressure resist Consult factory for burst pressure capability of AVV, VA-E, AV-EL, V-AV BSBSystems.com | BSB.ie ystem te Visit our website for the most complete, up-to-date ur webs information Products, specications and all data in this literature are subject to change without notice. Questions regarding product selection and specications for specic applications...

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