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Sliding Type
One operator turns handwheel and unique gear-set mechanism makes a gap without pipe spreading. By Sliding Blind plate manually, Open/Close Blind position is changed. All blinding process completes within 3 minutes safely and easily. Sturdy and simple design shall make high reliability with the most advanced technology and durability.
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SWING TYPE
It take within 3 minutes for one operator to blank a line, operating the handwheel and rotating the blind into place without line spreading. Again, all inline movement is internal, eliminating the potential for pipe-joint stress. As one of the most popular model, quick operation with no line spread and correct spectacle positioner shall make easy and safe pipe line isolation.
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COMPACT TYPE
The Compact type is designed for replacement of existing valves, limited F-F dimension or large diameter pipeline applications or limited space for installation. It is designed with a short face to face, and has tapped bolt holes for easy installation between flanges. The compact design also reduces weight and requirement for extra pipe support.
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NON-SPILL TYPE
Non spill type of Line Blind has good advantages in Oil terminal & offshore applications where is limited installation space and marine pollution is strictly prohibited. The 3 sides covered body & compact design prevents ground pollution and it allows to install at parallel pipe lines.
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JACK BOLT TYPE
The traditional style of line blind offers a broad range of pressures and a lower cost. The basic standard for line blinding for many years. After turning 3~7 jack bolts around the body to make a gap by round bar or wrench and then change the blind plate position. Pipe line needs to be spreaded for operation.
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GOGGLE TYPE
Goggle type of Line Blind is positive solution for large diameter, high temperature and toxic gas condition for maintenanceand inspection
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AUTOMATED LINE BLIND
Automated Line Blind Valves are used for remote control operation, freguence cycle, or critical fluid application Sammi provides automated system by AOV, MOV or oil hydraulic source.
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EX TYPE
EX Line blind - offers 100% pipe isolation for severe services
such as extremely high temperature (816℃) / cryogenic condition (-196℃) or gas / liquid containedparticles / polymer applications.
The unique spreading mechanism makes a gap to switch blind plate position in a short time.
Only gasket replacement of blind plate is needed for maintenance.(No internal gasket).