Description

Spectacle blind flange is manufactured according to ASME B16.48 standard.
One side is solid blind disc for complete shut‑off, the other side is through‑hole disc for fluid passage; two discs linked by a connecting handle, easy to flip to switch between open and closed status.
Material options include A105 carbon steel, 304 and 316L stainless steel. It provides reliable mechanical isolation for maintenance work.
Widely used in petrochemical, natural gas and power‑generation pipelines for positive isolation of equipment or pipe segments.
Full size & pressure‑class range in stock, custom thickness and dimensions are supported.