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日本NITTO日东工器产品，型号：40PF 套筒 外螺纹安装用，适用内螺纹：R1/2（PT1/2） 材质铜 BS 重77g，配套接头型号20SF/SM/SH
20PM/PH/PF20SM,20SF,20SH,20PM,20PF,20PH ;
内螺纹接口快速接头：套筒（母头）型号 ：1/8" 10SM; 1/4" 20SM; 3/8" 30SM;1/2" 40SM; 1/2" 400SM ; 3/4"600SM ;1" 800SM
插塞（公头）型号：1/8“ 10PM; 1/4" 20PM ;3/8" 30PM; 1/2" 40PM ; 1/2" 400PM; 3/4" 600PM; 1" 800PM
以上产品本体材质分钢铁镀铬、铜 、不锈钢三种分种，密封圈材质也有常温和高温之别，选型请确认好产品型号、本体材质和密封材质
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