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PB series0 pages
PB Series
Forward-Acting Rupture Disks
Features
• Forward-acting, tension-loaded design
without score lines
Burst ratings 5 to 80,000 psig
•
• Operating pressures to 70% of the disk’s
marked burst pressure
S
eat Configuration: Angular 30°
•
• Sizes 1/4" thru 24" diameters
• Temperature ratings to 900°F (482°C)
• Suitable for liquid, gas or 2-phase flow
• 3-dimensional stainless steel tag is standard
• ASME UD, CE and TUV marking available
Options
7A – Angle Seat
Disk Holder
Vacuum Supports are required on vacuum
services. Vacuum supports are attached to the
process side of the disk and allow the disk to
support a full system vacuum.
Liners / Coatings Teflon liners are available
to provide protection from corrosive media if
required. Coatings are also available. Refer to
Table 1 for maximum temperature ratings for
disk, liner and coatings
Protective Rings can be used with PB Series
Disks to provide stability and protection when
thin materials and/or liners are used. Refer to
Table 1
tPBt
Prebulged solid metal disk with angular seat and
random burst pattern
tPB-Rt PB Disk with bottom ring
tR-PB-Rt PB Disk with top and bottom rings
tPB-Lt PB Disk with bottom liner
tL-PB-Lt PB Disk with top and bottom liners
tPB-LRt PB Disk with bottom liner and ring
tRL- PB-LRt Disk with top and bottom liners and rings
PB
tPB-Vt Disk with bottom vacuum support
PB
tPB-LVt Disk with bottom liner and vacuum support
PB
tR-PB-Vt Disk with top ring and bottom vacuum support
PB
tRL-PB-LVt Disk with top ring and liner and bottom liner
PB
and vacuum support
tRL-PB-LVRt Disk with top ring and liner and bottom liner
PB
vacuum support and ring
Insert Type
Holder
Rupture Disk
PRESSURE
PB Series Disks mount with the concave surface
facing the process media. As pressure increases above
the recommended operating pressure, the disk will bulge
until it reaches the maximum tensile strength of the
material and ruptures.
Bulletin no. 320101 Rev. 3
© 2004, 2008, 2012 ZOOK Enterprises, LLC, all rights reserved
Printed in U.S.A. 12-12-1500-9500-CGG
