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- Compression-loaded discs, domed against the direction
of the bursting pressure
- Designed to withstand vacuum and extreme cyclic conditions
- Capable of operating at up to 95% of rated burst pressure
- Offered with advanced Integral Flo-Tel™ detection as standard
- Now including the new intelligent Opti-Gard™ system
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| Opti-Gard™ |
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- Liquid, gas and vapor compatible
- Architecturally engineered burst pressures
- Installed in Elfab’s new universal
flange holder
- Advanced cyclic performance
- Non-fragmenting design
- Highest available operating ratio
- Industry leading 3% performance tolerance
- Manufactured in Hastelloy
- Supplied with ATEX-approved Integral
Flo-Tel™ detector
- Standard 1 week lead-time
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| Vac-Gard
/ Posi-Gard (VG/PG) |
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- Ultra-low pressure relief reverse-acting
discs
- Industry-leading pressure relief down
to 5 mbarg
- Designs for either positive or vacuum
relief
- Ideal for protection of API designed
atmospheric vessels
- 60% operating to burst pressure ratio
- Zero manufacturing range
- Non-torque sensitive, non-fragmenting
design
- Available in a wide range of corrosion-resistant
materials and sizes
- Integrated Flo-Tel™ detection system
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