"Russian" GOST Type 7 RTJ Groove Blind Flanges to GOST dimensional specification 12815-80 for Oval profile Ring Type .
We can offer special
pipe fittings flanges used for anti-corrosion industry.
Standard of Anti-corrion treatment: NACE MR0175 etc.
Over the years, our company always adhere to quality first, strives for perfection the management idea, for the domestic and international electric power, chemical, petrochemical, pharmaceutical, boiler, heating, shipbuilding and other industries provide a large number of high-quality products. According to user needs and develop new products.
![GOST 12815-80 Type 7 carbon steel pipe fittings Blind flanges Chinese manufacturer](http://img.hisupplier.com/var/userImages/2013-06/03/115834175_ISO_7005_steel_flanges_with_carbn_allo_stainless_steel_s.jpg)