ມາດຕະຖານ: ASTM A182, ASTM SA182 ຂະໜາດ: ASME 16.11 ຂະໜາດ: 1/4″ NB ເຖິງ 4″NB ຮູບແບບ: Bushings, Hex Head Busing ປະເພດ: Screwed-Threaded NPT, BSP, BSPT Fittings