进口快速接头FISHER快装接头ACME内螺纹接头采用优质黄铜材质，符合液化行业使用标准。这类接头采用ACME形式内螺纹，规格从1-1/4寸至4-1/4寸之间，其温度范围从-29℃至71℃之间。

These couplings allow connection of ACME threads to NPT. One side is 1-1/4 through 4-1/4 in. female ACME. The other side is 3/8 through 3 in. NPT. Available in brass or steel. Standard product temperature rating is -20 to 160°F / -29 to 71°C.