国标波纹管截止阀产品结构特点：国标波纹管截止阀适用于公称压力PN1.6-4.0MPa,工作温度-20℃-350℃的石油、化工、制药、化肥、电力行业等各种工况的管路上，切断或接通管路介质。其主要结构特点：1、产品结构合理、密封可靠、性能优良、造型美观；2、密封面堆焊Co硬质合金、耐磨、耐腐、抗磨擦性能好、使用寿命长；3、阀杆调质及表面氮化处理，有良好的抗腐和抗磨擦性能；4、双重密封，性能更可靠；5、阀杆升降位置指示更直观；6、零件材料，法兰和对焊尺寸可根据实际工况或用户要求合理选配，满足各种工程需要。技术规范： 结构形式 constructionBB-BG-OS&Y驱动方式 operation手动hand-operated气动 pneumatic设计标准 design standardDIN3356结构长度 face to face dimensionDIN3202连接法兰 flanged endsDIN2543-2545试验和检验 test&inspectionDIN3230 产品性能规范： 公称压力(MPa)nominal pressure壳体试验压力(MPa)shell test密封试验压力(MPa)sealing test适用温度(℃)suitable temp适用介质suitable madium1.62.41.76-20℃-350℃水、蒸汽、油品等water,steam,oil,etc.2.53.752.754.06.04.4 主要零部件材质： 序号NO.名称part name材质material1阀体bodyWCB、F304、F3162阀瓣disc2CR13、F304、F3163轴销hinge pinF304、F3164波纹管组件bellows combinationF304、F316L5阀盖bonnetWCB、F304、F3166填料packing柔性石墨Flexible graphite、PTFE7压套gland25#、F304、F3168定位片locator25#、F304、F3169阀杆螺母stem nut铜合金ZQA19-410手轮hand wheel碳钢carbon steel11并帽cap25#12油杯oil cup黄铜brass13六角螺母hexagon nutASTMA193 2H、A193-8、A193-8M14双头螺栓boltASTMA193 B7、A193-B8、A193-B8M15垫片gasket柔性石墨+不锈钢flexible graphite+stainless steel、PTFE16阀杆stem2Cr13、F304、F316 WJ41H-16 压力等级pressurePN16口径size1520253240506580100125150200250300L130150160180200230290310350400480600730850H205205217230235240285310370430445560695740W120120140140160180180200250300300400520520重量(kg)Weight4.54.85.57.89.512.718.623.539.556.876.1115237.2399.5行程h77121314151923283542526475Kv4.27.4121930477712018828841072511451635 WJ41H-25 压力等级pressurePN25口径size1520253240506580100125150200250300L130150160180200230290310350400480600730850H205205217230235240285310370430445560695740W120120140140160180180200250300300400520520重量(kg)Weight4.54.85.589.81319.224.343.757.981.6137288.1420行程h77121314151923283542526475Kv4.27.4121930477712018828841072511451635 WJ41H-40 压力等级pressurePN40口径size1520253240506580100125150200250300L130150160180200230290310350400480600730850H205205217230235240285310370430445560695740W140140140160180180200250300350350450520520重量(kg)Weight4.54.85.58.310.513.620.525.646.161.285159308.5445行程h77121314151923283542526475Kv4.27.4121930477712018828841072511451635