ASSORTIMENT

Line blinds

Line blinding has been used to pipe lines in various industries wherever either postive shut-off is most concerned and full flow should be achieved without pressure drop.

In the past, Blinding (or blanking) a line was a costly labour-intensive process involving several personnel and equipment including cranes (depending on the size of the line) heavy tools, and occasionally scaffolding.

The lengthy process exposed operators to hazards including inhalation of potentially toxic fumes, spills of product and risk of explosion.

In addition to the handling of the heavy and unwieldy blind/spectacle blind flanges.

The Sammi Lind Blind incorporates a tough and simple design that has been developed to provide absolute shut-off, long lifeand trouble-free service with minimum maintenance.

The unique and simple opening-closing mechanism of the Sammi Lind Blind allow one person to blank or blind pipelines with ease, rapidity and safety without any tools or equipment.

Line Blind Valves are used for:

For safety in operation and maintenance
For perfect isolation of pipe line
For prevent product contamination
For keeping vacuum condition
Preventing invironmental pollution
In emergency for process problem, accident in line, shutdown of an equipment.

Total equipment isolation valves cannot gaurantee 100% leakage free.

Leakage trouble may cause big loses of industrial equipment such as contamination of fluid mixing, personal accident by inhalation of toxic gases or unexpected explotion that leads to occasionally huge disatser.

Typical blank work have been had actual problems at site as follows:

* Environment pollution during blinding work
* Exposure to hazard of toxic fluid to worker
* Potential hazard of sparking
* Need tools, gasket, cranes etc
* In need of Specialist or trained worker
* High labor cost
* Long total shutoff time

Boxy developed innovative BOXY BLIND VALVE to replace existing blank, spectacle plate, DBB(Double Block and Bleed) valve and spool piece without pipe revision for the first in the world.

* No need pipeline revision to replace existing isolation method (Typical valve (+Blank),Spool piece etc.)
* Positive shutoff with quick change
* No ground pollution
* Safe working
* No need tools, gaskets, cranes etc
* Untrained one person with handwheel operation
* Minimum maintenance
* No line spreading

Line blinding has been used to pipe lines in various industries wherever either postive shut-off is most concerned and full flow should be achieved without pressure drop.

In the past, Blinding (or blanking) a line was a costly labour-intensive process involving several personnel and equipment including cranes (depending on the size of the line) heavy tools, and occasionally scaffolding.

The lengthy process exposed operators to hazards including inhalation of potentially toxic fumes, spills of product and risk of explosion.

In addition to the handling of the heavy and unwieldy blind/spectacle blind flanges.

The Sammi Lind Blind incorporates a tough and simple design that has been developed to provide absolute shut-off, long lifeand trouble-free service with minimum maintenance.

The unique and simple opening-closing mechanism of the Sammi Lind Blind allow one person to blank or blind pipelines with ease, rapidity and safety without any tools or equipment.

Line Blind Valves are used for:

For safety in operation and maintenance
For perfect isolation of pipe line
For prevent product contamination
For keeping vacuum condition
Preventing invironmental pollution
In emergency for process problem, accident in line, shutdown of an equipment.

Line blinding has been used to pipe lines in various industries wherever either postive shut-off is most concerned and full flow should be achieved without pressure drop.

DBX type of Blind valve has good advantages in Oil terminal & offshore applications where is limited installation space and marine pollution is strictly prohibited.

The full enclosed body & compact design prevents ground pollution and it allows to install at parallel pipe lines.

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.

SBX type Blind valve has good advantages in gaseous fluid or critical pipeline with acid, flamable, toxic or carcinogenic media.

The full enclosed body & compact design prevents environmental pollution and it allows to install at parallel pipe lines.

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.

SDX Type special blind valve has developed for the requirement of isolation under pressure.

Open/close position can be changed with soft seals (special sealing kids) achieve positive isolation of liquid / gas fluids without depressurize the pipeline.

Dual gear-set actuator allows no friction during operation and soft seal can make perfect isolation.

The body is completely encolsed to prevent spills and reduce emissions during operation.

The compact design incorporates tapped bolt holes for ease of installation. Process involves operating the handwheel to free the blind, which is then removedand replaced in the blanking position. The blind is then secured by once more operating the handwheel.

EX Type blind valve offers 100% isolation for severe service with extrem temperature and pressure /or cryogenic (-196?) application.

Sample picture shows an application at 1500F(816?) 2500 LBS, DN 500

No internal gasket with simple structure minimize contact surface with extream media and unique spreading mechanism make a gap to switch blind plate position in a short time.

Strong torque for tighteness with solid structure enable to isolate severe pipeline with safe.

Only gasket replacement of blind plate is needed for maintenance.

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.

Goggle type of Line Blind is positive solution for large diameter, high temperature and toxic gas condition for maintenanceand inspection.

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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