Kodi mitundu yofala ya ulusi wa chitoliro ndi iti?

Theulusiya chitoliro chobowolera

Mitundu yodziwika bwino ya ulusi wa chitoliro chobowolera ndi IF, FH, REG, hole FH, XH, yomwe si yofala m'sitolo yogulitsira zida ndipo siigwiritsidwa ntchito kawirikawiri, imagwiritsidwa ntchito kwambiri IF ndi yachibadwa REG.

1. Imaimiridwa ndi manambala atatu, monga 310,410,411, ndi zina zotero.

2. Nambala yoyamba imasonyeza kukula (nthawi zambiri 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 onse;

4. Mitundu ina yodziwika bwino ya ulusi wa mapaipi obowolera ndi BTC, MT, AMT, HT55 ndi zina zotero.

TheulusizaKupaka mapaipi

Mitundu yodziwika bwino ya ulusi wa chubu ndi EU ndi NU, pomwe yosowa kwambiri ndi NEW VAM ndi FOX.

1. Kusiyana pakati pa EU ndi NU kuli motere: EU imakhuthala ndi ulusi 8 pa inchi; NU ndi ulusi 10 pa inchi.

2. NEW VAM imagwiritsidwa ntchito mu Zitsime za Gasi zomwe zimakhala ndi mpweya wabwino.

3. Ngati palibe EU kapena NU pamwamba pa 4-1/2 “, ndi LTC ndi STC. Mtunda wogwira ntchito wa ulusi wa LTC ndi wautali, pomwe mtunda wogwira ntchito wa ulusi wa STC ndi waufupi, zonse ziwiri ndi ulusi wozungulira.

4. P imagwiritsidwa ntchito pa ulusi wa mwamuna ndipo B imagwiritsidwa ntchito pa ulusi wa mkazi.

5. Masayizi ofanana a ulusi wa EU ndi 2-3/8 “, 2-7/8 “, 2-7/8 “, 3-1/2 “, 4 “ndi 4-1/2” ndi zina zotero.

Makulidwe ofanana a ulusi wa NU ndi 1.9 “, 2-3/8 “, 2-7/8 “, 3-1/2 “, ndi 4-1/2 “.

Masayizi ofanana a NEW VAM ndi 2-7/8 “ndi 3-1/2″.

Masayizi wamba a FOX ndi 2-7/8 “, ndi zina zotero. 

Theulusizachitoliro chotsukira

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

1. HYDRILL CS ndi 1.9 “ndipo kunja kwake ndi kokhuthala, HYDRILL 511 ndi 2-7/8” ndipo ndi yopyapyala mpaka yokhuthala, TSWP ndi 4 “ndipo yotsekedwa kuti mapewa awiri akhale awiri.

2. FL-CS ya ulusi wothira wa 2-7/8 “ndi 4″ wogawana.

Pali mitundu itatu yofanana ya ulusi:

BTC, pa ulusi wa makwerero am'mbali, kukula kofala ndi 5-1/2 “, 6-5/8 “, 7 “ndi zina zotero.

STC, ya tinthu tating'onoting'ono tozungulira, kukula kofanana ndi 4-1/2 “, 5-1/2 “, 6-5/8 “, 7 “, 7-5/8 “ ndi zina zotero.

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

Zapaderaulusi

1. Ulusi wapadera wotsekera: Mtundu wa ulusi wa ACME, kukula kofanana ndi 3.25 “, 4 “(3-5/8”), 4.75 “, 6”.

2. Mtundu wa ulusi wa LP: wa katatu m'gawo, ndi wofanana pang'ono ndi wa EU, koma umakhala ndi mphamvu yakuthwa pokhudza, ulusi wa LP umagwiritsidwa ntchito kwambiri mu manifold okwera kwambiri, kukula kofanana ndi 2 “ndi 3”.

3. Ndi ulusi wosagwiritsa ntchito ulusi: Odziwika bwino ndi 1502 ndi 1602.

4. Chubu chopukusira: FJWP