Rolling Flanged Ball Check Valve

PurposeThis product is used for water supply and drainage system in tap water ,sewage, Building, chemicals Industries ,usually used as an open-close equipment .FeaturesDouble /Three eccentric structure, strictly sealing ,long durable and lifetime .Executive StandardGB/T 9113.1API 609 Category ABS EN593/BS5155Performance parametersNominal diameter:2"-80"/DN50-DN2000Working pressure:10Bar/16Bar/25BarFace-to-face: API 609 Table 1/ISO 5752 Series 20/BS 5155Flange accommodation: ANSI B16.1 Class125/150EN1092-2 PN6/10/16/25Top Flange:ISO5211Tightness Inspection: API 598/ISO 5208,/EN12226-2Main part materialBody: Cast steel, Stainless SteelDisc: Cast steel, Stainless SteelStem: Stainless SteelSealing ring: Stainless Steel/PTFEPacking: Flexible Graphite/PTFEPerformance parameters:DN40-----1200 mmPN1.0----1.6  MPaSuitable temperatur100 °C maxMediaWater, gas, oil.OperationManual / Electric / Pneumatic                                                                                                                                                              Packing: wooden case                                                                                                                                                                                                                  We, BOHAI VALVE GROUP CO.,LTD., is a factory which specialised in producing verious kinds of valves,it is located at Tianjin Bohai Ecnomical development zone and occupied more than 10 thousand square meters. We found on 1980 and has more than 38 years production history,and currently we have ten technical engineers and more than 100 workmen in the workroom.Our products are being exported to Europe,America,Australia,Egypt and South-east Asian countries.We will provide the high quality products to our clients with excellent service and competitive prices.  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1