1. Awọn iṣedeti ọba
Pititi irin irin ti a ṣẹgun ti wa ni tọka si nipasẹ olu-ilu "DN." Awọn titobi pẹlu DN15 (4-inch paipu), DN20 (Pipe 6-inch (1,5-inch (1,5-inch-inch), DN80 (3-intẹ paipu), DN100 (4-inch paipu), DN125 (5-inch paipu), DN150 (6-inch paipu), ati DN250 (Pipe Inch). Fun apẹẹrẹ, ipe DN25 (25 mm) jẹ deede si paipu 1-inch kan, tun mo bi paipu 8-inch ṣaaju ki ọmọ ogun ominira. Pipe omi DN15 jẹ deede si paipu 4/2-inch, tun mo bi paipu 4-inch ṣaaju ki ọmọ ogun ominira. Fun apẹẹrẹ, paipu omi DN20 jẹ apanirun 3/4 "ati boṣewa Gẹẹsi, tun mọ bi paipu 6 kan ṣaaju gbigbe ominira.
2. International Awọn iṣedeede
Pipe ti kariaye Irin da lori pipin inch kan sinu awọn ẹya kekere. Awọn alaye pẹlu 1/8, 1/4, ati awọn inṣis 3/8, deede si wọpọ 1-inch inch ati awọn opo ori-7-inch. A ṣe afihan awọn iwọn kekere bi 1/16, 1/32, ati 1/64, tun wa ninu inṣis. Ti iye iye to ba jẹ pe iyeida ati nọmba nọmba le dinku (fun apẹẹrẹ, agbegbe ti o jẹ 2, 4, 8, 8 ,,2), wọn yẹ ki o dinku.
3. Isomọ Iwọn PIP
Awọn agbekalẹ iṣiro iwuwo fun awọn oriṣi ti paipu irin ti o yatọ. Ni isalẹ, Miagoo yoo ṣafihan ni ṣoki ọpọlọpọ awọn agbekalẹ iṣiro iṣiro wọpọ:
Awọn iwuwo Irin irin (kg)=0.00617}}}}}}}}}}}}}}}}}}}} Isẹja iwọn iwọn àla to lel;
Square, iwuwo, kg)=0.00785}}}}
Awọn iwuwo irin (kg)=0.00785}}}}}}}}}}}}}} Iyọkuro x fireemu x gigun.