PRO+KRGL (Precision Reverse Operating)0 pages

PRECIS ION REvERSE OPERATING

The PRO+KRGL is Oseco’s
high-performance rupture disc
for demanding applications

PRO+KRGL
The Oseco PRO+KRGL (Precision Reverse-Operating) Rupture

• Sizes 1"-10"

Disc is designed and manufactured for high performance and

• Standard materials of construction:
Hastelloy® C, 316 Series Stainless Steel,
Nickel, Inconel® 600, and Monel®

demanding rupture disc applications. The PRO+KRGL is a fully

• Well suited for high cycling applications

technology. This process yields a high-performance disc to

• Excellent for gas or liquid service
applications

withstand the most difficult applications, even in corrosion-

opening perimeter-scored design, thanks to the precision
scoring delivered by Oseco’s unique computerized load cell

resistant material such as Hastelloy® C.

• Smooth surface on process side to
minimize product build-up

PRO+KRGL

• Non-fragmenting design
• Elevated temperatures up to 900º F
• Non-torque-sensitive when used in
Oseco PRDI holder
• Withstands full vacuum (14.7 psi)
without separate vacuum support

KRGL: 0.69

• Ideal for safety relief valve isolation
• Fluoropolymer liner available on
process side
• ASME Approved

CO M M O N A P P LI CA T IONS
Safety relief valve isolation – High
Pressure

PRO+

O P E RA T I N G RA T I O
95%

KRG: 0.29

BU RS T T O LE RA N CE
±5% above 40 psig
±2 psig at or below 40 psig

M A N U FA CT U RI N G RANGE
0%

0 9 12

FLOW
DIRECTION

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PRO+KRGL • RUPTURE DISCS

PRO+KRGL