产品型号 : EF-3 
产品名称: 二阀组 

EF-3型二阀组 内螺纹二阀组设计制造标准Design Manafacfure According:

ASME B16.34-2004

GB/T 12224-2005

JB/T 8473-1996

EF-3型二阀组 内螺纹二阀组连接形式Mode of connection:

内螺纹连接 Female thread type

结构特征Structure character:

锥面密封Conical Sealing

阀门检验和试验Test Standard:

API 598-1996

GB/T 13927-1992

材料Material:                                               

碳钢Carbon steel:

ASTM A105/A105M

GB/T 12228-1989                                                           

不锈钢Stainless steel:

ASTM A276/ASTM A314

GB/T 1220-1992

适用介质Applicable Medium:油Oil,水Water,气体Air

适用温度Applicable temperature:-70-240℃  -20-440℃