EF-4一体化二阀组 M20*1.5

EF-1二阀组设计制造标准Design Manafacfure According:ASME B16.34-2004GB/T 12224-2005JB/T 8473-1996 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 598-1996GB/T 材料Material:碳钢Carbon steel:ASTM A105/A105MGB/T 12228-1989不锈钢Stainless steel:ASTM A276/ASTM A314GB/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℃