DN 300 12 Inch Class 300 BL Blind Flange is round plate which has all of the relevant boltholes but no center hole, and because of this feature this flange is used to close off the ends of a piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it has been sealed and must be reopened.
DN 300 12 Inch Class 300 BL Blind Flange is used to close ends of piping systems. It is a kind of round plate with no center hold but with all the proper bolt holes. This blind flange is available in various sizes and materials and is used to provide positive closer on the ends of pipes, valves or equipment nozzles. This flange helps in easy access to a line once it has been sealed. The blind flange is sometimes custom made or machined to accept a nominal sized pipe to which reduction is being made.
SPECTACLE BLIND IN CLOSED POSITION
DN 300 12 Inch Class 300 BL Blind Flanges are commonly used in petrochemical, pipe engineering, public services & water works.Blind pipe flanges are often used for high pressure applications.This reduction can be a threaded reduction or welded reduction.
Cangzhou Sinhoo Pipeline Manufacture Co.,Ltd was established in 1990, which covers 25000 square meters ,10000 square meters of workshop , have our own flange factory and pipe-fittings factory. We have got through ISO9001:2015, PED, AD2000 of Lloyd ' s register and "Factory Audit Report of TUV Rheinland Certification". We are located in "The Capital of Pipe Fittings" - Mengcun Hui Antonomous County,
Cangzhou City, Hebei Province, China .We have excellent environment and convenient transportation with Xingang Port and Huanghua Port in the east. Our company specializes in producing steel flange, blind flange, elbow, tee, cross, reducer, saddle, pipe cap and other series of pipeline components in high& low pressure. We are one of the earliest domestic manufacturers of flange, pipe fittings and other series of pipeline components, with chemical analysis, metallographic examination, physical testing, nondestructive testing and other advanced detection ability.
We can produce GB, American Standard, Japanese Standard, German Standard, Russian Standard and other international or domestic standard of carbon steel, stainless steel, alloy steel and various of materials flanges, pipe fittings and pipeline series products, have advanced flange and pipe fitting production line, intermediate frequency push system, machining, cold forming, hot extrusion, heat treatment and other exquisite craft. And keeps long-term stable cooperative relation with the major domestic steel mills, perennial agent carbon steel seamless pipes which produce by Tianjin Seamless Steel, Baotou Steel, Bao Steel and other major steel mills.