Line Blanks for Oil & Gas
In Oil & Gas and Petrochemical plants frequent maintenance and/or shutdowns of different fluids are foreseen and there are safety procedures in place to avoid unforeseen events related to maintenance activities and to control the risks induced by the flow of fluids, often toxic and explosive, at high pressure and temperature.
For this purpose, in pipelines are used Line Blanks which are piping components used as isolation flange.
Line Blanks are inserted between two mating flanges to allow or not the fluid flow through open and closed position. They are needed during maintenance operation or inspection and testing to prevent leakage of one fluid into another.
They can be manufactured according ASME B16.48 or end user drawings in the shape of Figure 8 Blank, paddle Blank and Paddle Spacer.
Spectacle Blind - Figure 8 Blank
A figure-8 blank (also called a spectacle blind or spectacle blank) is a pressure-retaining plate with one solid end and one open end connected with a web or tie bar.
Paddle Blind - Paddle Blank
A paddle blank (also called paddle blind or spade) is similar to the solid end of a spectacle blind. It has a plain radial handle. It is generally used in conjunction with a paddle spacer for large sizes.
Spacer Ring – Paddle Spacer
A paddle spacer (also called spacer ring or spacer) is similar to the open end of a figure-8 blank. It has a plain radial handle. It is generally used in conjunction with a paddle blank.
Drip Ring
Drip Rings, or Flushing Rings or Bleed Rings are coupled between two seals. They are usually supplied with one hole or more holes. The Drip Ring can be welded to a Weldoflange or a branch connector.
SPECTACular BLIND®
SPECTACular BLIND® is a patented system designed from La Meccanica Padana, a new way to Easy and Quick Change Spectacle Blinds mounted on the pipeline
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Via RISCASSI 1/A
29010 San Nicolo`(PIACENZA) - ITALY
Tel: 0039-0523-762020
Mail: meccanica@meccanicapadana.com
Fax: 0039-0523-762016
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