Welding neck flanges Kun da valve fittings factory in Yongjia County (www.kundamfj.com)
Welding neck flanges Difficult to deformation, sealed, widely applied to pipeline pressure or temperature fluctuations or high temperature, high pressure and low temperature piping, advantage of cheaper price, the nominal pressure is less than 2.5MPa; Also used to transport expensive, flammable, explosive media pipeline, the nominal pressure at around PN16MPa
Welding neck flanges In production and when using certain technical parameters and requirements of the production and use of guaranteed according to certain modalities and principles for the use and promotion of using certain methods and principles for production and welding, and guarantee the use of a good quality. One, welding neck flanges and technical requirements should be consistent with the purposes of JB4726-4728 of the corresponding request. 1, nominal pressure PN 0.25MP-1.0MPa made of carbon steel, austenitic stainless steel forgings for allowing the use of grade ⅰ forgings. 2, subject to the following provisions, nominal pressure PN for the forging shall conform to 1.6MPa-6.3MPa grade level requirements or more than ⅱ forgings. 3, in line with one of the following conditions, shall comply with III and forging requires: (1) nominal pressure PN ≥ 10.0MPa flange forgings; (2) nominal pressure PN) 4.0MPa of CR-MO steel forgings; (3) the nominal pressure PN) 1.6MPa and working temperature ≤-20 c ferritic steel forgings.
Common production standards: HG/T20592-2009 Ministry of chemical industry standard, HG/T20615-2009 standard GB/T9115.1-2000, GB/T9115.2-2000, GB/T9115.3-2000, GB/T9115.4-2000, mechanical Department standard JB/T86.2-94, ships with standard CB/T47-1999
Factory has more than 10 years of experience in seal production; From raw materials to finished products; Sales; Satisfactory after-sales service; Quality of after-sales guarantee! mature production experience; Many new and old customer support needs; In 2010, managed to increase the blue workshop; Existing equipment: CNC lathe 12 6140 lathe 6 Winding machine 20 units Punch drill 30 units , Press 10 units Rubber o-rings plastic injection molding machine 4 Composite mat bilateral machines and other auxiliary equipment machine.
Main products: Stainless flat welding flange, high welding neck flanges, metal spiral wound gaskets. (With inner and outer ring road), graphite composite mat (packing ring, sealing), PTFE gasket (padding), asbestos gasket, octagonal gasket, lens ring, oval pad, tooth-shaped pad. Rubber gaskets, graphite, PTFE, carbon fiber packing, high pressure asbestos rubber Board, multi-level butterfly valve seals, rubber o-rings, special non-standard seal products. Production: DN10-DN6000mm. nominal pressure: 0.6~63MPa working temperature:-200~1200℃.
Have a complete and scientific quality control system. Yongjia Quinn of valve fittings factory of integrity, strength and quality of products recognized by the industry. Our ' customer first, honesty, ' keeping promises '' quality ' for the purposes of the company.
Welcome all friends to visit and guide and negotiate business. 18267888990.