European electricity supply brand stainless steel flange check valve

Overview: H44 swing check valves selected for the nominal PN1.6 ~ 6.4MPa, piping various conditions operating temperature -29 ~ 550 ℃ of petroleum, chemical, fire station and the like. Applicable medium: water, oil, steam and so on. Structure and characteristics: 1, selected materials, in line with domestic and foreign standards, high overall quality of the material. 2, Sealing pair advanced and reasonable, the valve seat sealing surface using iron-based alloy or Stellite (Stellite) cobalt-based alloy cladding into the surface, wear-resistant, high temperature resistance, corrosion resistance, good anti-abrasion performance , long service life. 3, the product according to national standards GB / T12235 design and manufacturing. 4, can be a variety of standard pipe flanges and flange sealing types to meet various project needs and user requirements. 5, the full range of body materials, gaskets, according to the actual working conditions or user requirements reasonable matching can be applied to all kinds of pressure, temperature and medium conditions. Users can design and manufacture different forms and connection forms a check valve structure for a variety of equipment for use gauge Model Nominal size PN (MPa) nominal diameter DN (mm) Dimensions (mm) Weight (Kg) LD D1 D2 b Zd D3 H H44H-16C H44W-16P H44W-16R 1.6 40 200 145 110 88 20 4-18 145 103 15.2 50 230 160 125 102 20 4-18 185 160 21.3 65 290 180 145 122 22 8-18 215 175 28.1 8,031,019,516,013,322 8-18 235 185 37.6 100,350,230,180,158 248-23270220 56.7 125 40027021018428 8-25 340 24891150480300 240212308-25 375270129200 55036029526834 12-25 435 350 210,250,650,425,355 3203612-30515 415,290,300,750,485 4103704016-30 320,350,850,550,470 4304416-34420