Uni-Gard
is a compression-loaded, scored, reverse rupture disc that
has been specifically designed to operate, with increased
precision, at very low pressures. The Uni-Gard system incorporates
many unique technical features that have been included to
help reduce lifetime costs and offer many tangible benefits
to the end user.
The Uni-Gard system is provided complete with Elfab’s
System-Loc to help ensure correct installation and all bursting
discs undergo 100% proof testing prior to delivery.
Exceptional leak tightness
Very low pressure – High duty capable
Proof tested design suitable for demanding applications
Gas and liquid compatible
Fool-proof and safe installation
Unique non-invasive integral burst detection available
(EEx ia llC T6)
Structurally enhanced profile leading to increased product
durability and life
Specifications
SIZE RANGE
1" to 4"
(25mm to 100mm)
BURST PRESSURE
RANGE
7 psig to 145
psig (0.5 barg to 10 barg)
TEMPERATURE RANGE
-112 to 392F
(-80 to 600C)
MAXIMUM OPERATING
RATIO
90% of minimum
burst pressure,86% of nominal burst pressure
FRAGMENTATION
ON BURST
Non-fragmenting
design
RELIEF VALVE
ISOLATION
Excellent
VACUUM SERVICE
No support required
above 28 psig (2.0 barg)
FLUID COMPATIBILITY
Gas or vapor
KR
VALUES
Not available
TORQUE-SENSITIVE
No
CYCLE LIFE
Tested to over
100,000 pressure-vacuum cycles
MATERIAL RANGE
Stainless Steel as standard,
others available.
REVERSAL RATIO
Not applicable
with offset tag + system-loc
DAMAGE RATIO
<1.5
LEAK TIGHTNESS
Excellent
PERFORMANCE TOLERANCE
+/- 5% (zero
manufacturing design range)
PROTECTIVE LININGS
Available
Specifications and Performance
BURST PRESSURE
RANGE in psig (barg) at 68 °F (20 °C)
The
holder is configured to accept Elfab’s ATEX-approved
Integral Flo-Tel™ burst detection switch as standard.
To ensure the correct performance of a rupture disc,
it must be used in its correct holder, as specified
by the rupture disc manufacturer.
Solution Intelligence
The data shown on these sheets represents
the standard offering from Elfab. Depending upon the requirements of your
application, Elfab maybe able to provide a solution based on this product
but outside the standard operating parameters. In addition, Elfab produces
an extensive range of alternative products which maybe more suitable for
your requirements.
As a result of extensive testing, Elfab can advise on these choices, or
on other technical matters, such as discharge requirements, temperature
testing, material selection and corrosion resistance, customized designs
and burst detection.
To discuss your specific product or service requirements please
contact your Elfab representative.
