Standard Design: API 602, BS 5352
Ayewo & Idanwo: API 598
Oju Lati Oju: ANSI B16.10
Isopọ Ipari: Ti bajẹ AS PER BSP/BSPT/NPT, Weld AS PER SW/BW, Flange AS PER RF/RTJ
Asopọ Flange: ANSI B16.5 (Fun NPS≤24) / ANSI B16.47 jara B, ANSI 16.47 jara A, MSS SP-44 (Fun NPS>24)
Butt Weld Ipari: ANSI B16.25
Socket Weld Ipari: ANSI B16.11
Ipari ti bajẹ: ANSI B1.20.1 (BSP/NPT)
1.Small ito resistance
2.The torque fun šiši ati pipade jẹ kekere, nitorina o rọrun lati ṣii ati sunmọ.
3.The alabọde ti nṣàn itọsọna ti wa ni ko ni ihamọ, ati awọn ti o ko disturb awọn sisan ati ki o din titẹ ti opo.
4.Short ipari be
5.Good lilẹ iṣẹ
6.Simple apẹrẹ, ilana simẹnti to dara, lilo pupọ