Spectacle blinds, flange spades, and ring spacers are forged products used to blind pipelines (temporarily or permanently). These devices are cost-effective alternatives to isolation valves. A spectacle blind combines, in one single product, a flange spade and a ring spacer.

2024年12月4日 · A spade, also known as a paddle blind or line blind, is designed with an opening to be inserted between pipeline flanges. Spades are usually used with spacers to control or redirect fluid flow in the pipeline.

Spectacle blinds, spades and spaces are a common feature of pipelines or piping in most industries as they are used to enable maintenance work. They can be used to isolate a section of pipe or isolate a specific device so that it can be cleaned, checked and generally looked after.

Spectacle blind and Spacers are a pressure-retaining device used in the piping/pipeline industry to temporarily or permanently blind (shut) or isolate part of the piping or pipeline system.

We manufacture spectacle blinds, spacers and blanks to API standards and B31.3 specifications. Capable of size ranges from 1″ – 150 lbs class to 36″ – 2500 lbs class.702. Skip to content

The sealing surfaces of a Spectacle Blind, Spade or Ring Spacer are usually conducted in accordance with the Face Finish from the flange. The diameter always is slightly larger than the Raised Face of a flange; by a correct assembly, the bolts are …

2023年6月14日 · Blind flanges are used to seal off pipelines, while spades are used to control or redirect the flow of fluid in channels. A blind flange is a solid disk used to block off a pipeline or to create a stop. A spade is similar to a blind flange but has an …

Learn what a spectacle blind is, its symbol, the installation process, and spectacle blind vs spacer and vs a spade.

A spectacle blind, also known as a figure-8 blind, spade, paddle blank, or paddle spacer, is a specific type of piping device designed for use in piping systems or pipelines where the flow needs to be temporarily stopped for maintenance work.

2019年9月19日 · The ASME B16.48 line blanks: spectacle blind, spade blank, paddle spacer. What is a line blank flange? Blank flange vs. blind flange, nomenclatures, design and facing, dimensions and tolerances.