美标、磅级截止阀型号：J40H-150LBJ40H-300LBJ40H-600LBJ40H-900LBJ40H-1500LBJ40H-2500LBJ40Y-150LBJ40Y-300LBJ40Y-600LBJ40Y-900LBJ40Y-1500LBJ40Y-2500LBJ40W-150LBJ40W-300LBJ40W-600LBJ40W-900LBJ40W-1500LBJ40W-2500LBJ41H-150LBJ41H-300LBJ41H-600LBJ41H-900LBJ41H-1500LBJ41H-2500LBJ41Y-150LBJ41Y-300LBJ41Y-600LBJ41Y-900LBJ41Y-1500LBJ41Y-2500LBJ41W-150LBJ41W-300LBJ41W-600LBJ41W-900LBJ41W-1500LBJ41W-2500LB【产品用途】生产的J40H、J40Y、J40W、J41H、J41Y、J41W型高温高压截止阀适用于公称压力150LB~2500LB，工作温度为570℃的石油、化工、水力、火力电站各种系统的管路中，切断或接通管路介质。【产品特点】1、阀门中腔采用压力自紧式密封结构，密封性能越好。支管两端为焊接结构。焊接坡口可按标准或用户要求配接2、阀瓣、阀座的密封面采用司太立钴基硬质合金堆焊而成，耐磨、耐高温，抗擦伤性能好、使用寿命长3、阀杆经调质和表面氮化处理，有良好的搞腐蚀性和抗擦伤性。4、阀盖填料函深度合理，填料加缓蚀剂，密封可靠【执行标准】设计标准：A***EB16.34结构长度：***EB16.10试验与检验：API598压力-温度：A***EB16.34产品标识：A***EB16.34主要零部件:阀体、阀盖阀杆密封面垫片（环）填料工作温度适用介质WCB2Cr1313Cr增强柔性石墨柔性石墨≤425水WC138CrMoAl25Cr2MoVSTL13Cr/柔性石墨增强柔性石墨≤425蒸汽WC6木体材料1Cr13/FlexibleSFB/260≤540油品WC9尼龙SFB-2SFP/260≤570C5C1208软钢PTFE≤540CF8F304F304≤200硝酸CF8MF316F316醋酸CF3F304LF304L尿素CF3MF316LF316L)