美标、磅级截止阀
型号：
| J40H-150LB | J40H-300LB | J40H-600LB | J40H-900LB | J40H-1500LB | J40H-2500LB |
| J40Y-150LB | J40Y-300LB | J40Y-600LB | J40Y-900LB | J40Y-1500LB | J40Y-2500LB |
| J40W-150LB | J40W-300LB | J40W-600LB | J40W-900LB | J40W-1500LB | J40W-2500LB |
| J41H-150LB | J41H-300LB | J41H-600LB | J41H-900LB | J41H-1500LB | J41H-2500LB |
| J41Y-150LB | J41Y-300LB | J41Y-600LB | J41Y-900LB | J41Y-1500LB | J41Y-2500LB |
| J41W-150LB | J41W-300LB | J41W-600LB | J41W-900LB | J41W-1500LB | J41W-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***E B16.34
结构长度：***E B16.10
试验与检验：API 598
压力-温度：A***E B16.34
产品标识：A***E B16.34
| 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 |
| WCB | 2Cr13 | 13Cr | 增强柔性石墨 | 柔性石墨 | ≤425 | 水 |
| WC1 | 38CrMoAl 25Cr2MoV | STL | 13Cr/柔性石墨 | 增强柔性石墨 | ≤425 | 蒸汽 |
| WC6 | 木体材料 | 1Cr13/Flexible | SFB/260 | ≤540 | 油品 | |
| WC9 | 尼龙 | SFB-2 | SFP/260 | ≤570 | ||
| C5 C12 | 08软钢 | PTFE | ≤540 | |||
| CF8 | F304 | F304 | ≤200 | 硝酸 | ||
| CF8M | F316 | F316 | 醋酸 | |||
| CF3 | F304L | F304L | 尿素 | |||
| CF3M | F316L | F316L | ||||
