Hebei Chiho Pipe High Pressure Flange: for pressure higher than 10MPa piping or equipment connected to the flange. At present, including conventional high-pressure and high-pressure self-tight flange flange. Traditional High Pressure Flange: The use of the seal (oval mats, octagonal pad, lens pad, etc.) to seal the plastic deformation effect, connected to the tube end, the tube and pipe parts connected to each other, there are eyelets on the flange studs so that the two flanges tightly connected. Hebei Industry Chiho large plate flat welding flange (HG20593 high pressure flange, GB / T9119, JB / T81): easily obtained welded flange, create a simple, low cost, widely used; but less rigid, and therefore may not be used to have supply and demand, chemical process piping systems and highly flammable, explosive and high vacuum requirements, extremely hazardous situations. sealing surface with flat-screen and projection surface. Large plate flat welding flange flange suitable for Standardization and Industry HG20593 -1997, GB GB / T9119-2000, machine standard JB / T81-94 flange covers | Hebei Chiho (certified) | flange provided by Pipe Co., Ltd. Hebei Chiho. Hebei Chiho Pipe Co., Ltd. (www.hbqh628.com) (www.hbqh628.com) Hebei Cangzhou, forging leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. Hebei Chiho leadership with the staff warmly welcome all inquiries negotiations to create the Hebei Chiho better future.