Kodi mitundu yodziwika bwino ya ulusi wa mapaipi ndi iti?

Theulusiwa pobowola chitoliro

Mitundu yodziwika bwino ya ulusi wa mapaipi obowola ndi IF, FH, REG, hole FH, XH, zomwe sizodziwika m'sitolo yazida ndipo sizimagwiritsidwa ntchito nthawi zambiri, zomwe zimagwiritsidwa ntchito IF ndi REG wamba.

1.Iyimiridwa ndi manambala atatu, monga 310,410,411, etc.

2.Nambala yoyamba imasonyeza kukula (kwambiri 2 ~ 7): 2– 2-7/8 ";3-3-1/2 “;4-4-1/2 “;5-5-1/2 “;6-6-5/8 “;7– 7-5/8 “;

3.Nambala yachiwiri imasonyeza mtundu wa ulusi (pali 1, 2, 3), 1- IF;2—FH;3 - REG;

4.Nambala yachitatu ikuyimira mwamuna ndi mkazi (woyimiridwa ndi 0 ndi 1) 0- ulusi wamkazi;1 - ulusi wa anthu;

4. Mitundu ina yodziwika bwino yoboola chitoliro ndi BTC, MT, AMT, HT55 ndi zina zotero.

TheulusichaTubing

Mitundu yodziwika bwino ya ulusi wamachubu imaphatikizapo EU ndi NU, pomwe zosowa zimaphatikizapo NEW VAM ndi FOX.

1. Kusiyana kwa EU ndi NU kuli motere: EU ndi yokhuthala ndi ulusi wa 8 pa inchi;NU ndi ulusi 10 pa inchi.

2. VAM YATSOPANO imagwiritsidwa ntchito mu Zitsime za gasi ndi zothina bwino za gasi.

3. Ngati palibe EU kapena NU pamwamba pa 4-1/2 “, ndi LTC ndi STC.Mtunda wogwira mtima wa ulusi wa LTC ndi wautali, pamene mtunda wothandiza wa ulusi wa STC ndi waufupi, onse ndi ulusi wozungulira.

4. P amagwiritsidwa ntchito pa ulusi wamwamuna ndipo B amagwiritsidwa ntchito pa ulusi wamkazi.

5. EU ulusi wamba makulidwe ndi 2-3/8 ", 2-7/8", 2-7/8 ", 3-1/2", 4 "ndi 4-1 / 2" ndi zina zotero.

Miyeso yodziwika bwino ya ulusi wa NU ndi 1.9 ", 2-3 / 8", 2-7 / 8 ", 3-1 / 2", ndi 4-1 / 2 ".

Makulidwe wamba a NEW VAM ndi 2-7/8 “ndi 3-1/2”.

Makulidwe wamba a FOX ndi 2-7/8 ", etc. 

Theulusichachitoliro

Mitundu yodziwika bwino ya ulusi ndi HYDRILL CS, HYDRILL 511, TSWP, ndi FL-4S yomwe ikupezeka mu 2-7/8 “ndi 4″.

1. HYDRILL CS ndi 1.9 "ndi yokhuthala kunja, HYDRILL 511 ndi 2-7 / 8" ndi yopyapyala mpaka yokhuthala, TSWP ndi 4 "ndipo yosindikizidwa pamapewa awiri.

2. FL-CS ya 2-7/8 “ndi 4″ ulusi wonyezimira wogawidwa.

Pali mitundu itatu ya ulusi wofanana:

BTC, kwa ulusi wa makwerero akumbali, kukula wamba ndi 5-1 / 2 ", 6-5 / 8", 7 "ndi zina zotero.

STC, kwa njere zazifupi zozungulira, kukula kwake ndi 4-1 / 2 ", 5-1 / 2", 6-5 / 8 ", 7", 7-5 / 8 "ndi zina zotero.

LTC ndi ulusi wautali, kukula kwake ndi 4 ", 4-1 / 2", 5-1 / 2 ", 7" ndi zina zotero.

Wapaderaulusi

1. Ulusi wapadera wa unit yosindikiza: Mtundu wa ulusi wa ACME, kukula kwake ndi 3.25 ", 4" (3-5 / 8"), 4.75 ", 6".

Mtundu wa ulusi wa 2.LP: utatu mu gawo, ndi wofanana ndi EU, koma umakhala ndi kumverera kwakuthwa kukhudza, ulusi wa LP umagwiritsidwa ntchito kwambiri pazovuta zambiri, kukula kwake ndi 2 "ndi 3".

3.Popanda ulusi:Zodziwika bwino ndi 1502 ndi 1602.

4. Mphero chubu: FJWP