When threading pipe , gauge pipe threads for size and length to avoid jamming pipe against seat and disc 當(dāng)對(duì)管道進(jìn)行攻絲時(shí),要測定管道螺紋的尺寸和長度,避免將管道塞滿閥座和閥瓣。
When threading pipe , gauge pipe threads for size and length to avoid jamming pipe against seat and disc 在給管道攻牙(螺紋)時(shí),要計(jì)算好管道螺紋的直徑和長度,避免管道影響閥門的閥座和閥瓣。