Yiziphi izinhlobo zemicu yamapayipi evamile?

Iumucuwepayipi lokubhoboza

Izinhlobo ezijwayelekile zamapayipi okubhoboza yi-IF, FH, REG, hole FH, XH, engajwayelekile esitolo samathuluzi futhi engasetshenziswa kakhulu, evame ukusetshenziswa IF kanye ne-REG evamile.

1.Imelwe izinombolo ezintathu, njenge-310,410,411, njll.

2.Inombolo yokuqala ikhombisa ubukhulu (ngokuvamile 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.Inombolo yesibili ikhombisa uhlobo lwentambo (kukhona 1, 2, 3), 1– IF;2—FH;3– REG;

4.Inombolo yesithathu imele owesilisa nowesifazane (emelwe ngu-0 no-1) 0– intambo yesifazane;1- intambo yomphakathi;

4. Ezinye izinhlobo zentambo yepayipi yokubhoboza evamile yi-BTC, MT, AMT, HT55 njalonjalo.

IumucukweIshubhu

Izinhlobo zentambo yeshubhu ezivamile zifaka i-EU ne-NU, kuyilapho ezingavamile zifaka i-VAM ENTSHA ne-FOX.

1. Umehluko phakathi kwe-EU ne-NU umi kanje: I-EU ijiyile ngomucu oyisi-8 iyintshi;I-NU iyintambo engu-10 iyintshi ngayinye.

2. I-VAM ENTSHA isetshenziswa emithonjeni yegesi enokuqina okuhle kwegesi.

3. Uma ingekho i-EU noma i-NU ngaphezu kuka-4-1/2 “, i-LTC ne-STC.Ibanga elisebenzayo lentambo ye-LTC lide, kuyilapho ibanga elisebenzayo lentambo ye-STC lifushane, kokubili kuyintambo eyindilinga.

4. U-P usetshenziselwa intambo yesilisa kanti u-B usetshenziselwa intambo yesifazane.

5. Intambo ye-EU osayizi abavamile ngu-2-3/8 “, 2-7/8 “, 2-7/8 “, 3-1/2 “, 4 “no 4-1/2″ njalo njalo.

Osayizi abajwayelekile bentambo ye-NU bangu-1.9 “, 2-3/8 “, 2-7/8 “, 3-1/2 “, kanye no-4-1/2 “.

Osayizi abajwayelekile be-VAM ENTSHA bangu-2-7/8 “no-3-1/2”.

Osayizi abajwayelekile be-FOX bangama-2-7/8 “, njll. 

Iumucukweipayipi elishaywayo

Izinhlobo zochungechunge oluvamile lwe-flush yi-HYDRILL CS, HYDRILL 511, TSWP, ne-FL-4S etholakala ngo-2-7/8 “kanye no-4″.

1. I-HYDRILL CS ingu-1.9 “futhi ijiyile ngaphandle, i-HYDRILL 511 ingu-2-7/8″ futhi izacile ukuya kogqinsi, i-TSWP ingu-4 “futhi ivalwe amahlombe akabili.

2. I-FL-CS ye-2-7/8 “kanye nentambo eshaywayo engu-4″ eyabiwe.

Kunezinhlobo ezintathu zochungechunge olujwayelekile:

I-BTC, yentambo yesitebhisi eseceleni, usayizi ojwayelekile ngu-5-1 / 2 ", 6-5 / 8", 7 "njalo njalo.

I-STC, yokusanhlamvu okufushane okuyindilinga, osayizi abajwayelekile 4-1/2 “, 5-1/2”, 6-5/8 “, 7 “, 7-5/8 “njalo njalo.

I-LTC iyintambo ende, osayizi abavamile 4 ", 4-1 / 2", 5-1 / 2 ", 7" njalonjalo.

Okukhethekileumucu

1. Intambo ekhethekile yeyunithi yokuvala:Uhlobo lwentambo ye-ACME, osayizi abavamile bangu-3.25 “, 4 “(3-5/8″), 4.75 “, 6”.

Uhlobo lwentambo ye-2.LP: i-triangular esigabeni, icishe ifane ne-EU, kodwa inomuzwa obukhali lapho uthintwa, intambo ye-LP ivame ukusetshenziswa ekucindezelekeni okuningana, osayizi abajwayelekile bangu-2 “no-3”.

3.Ngokungeyona intambo:Ezijwayelekile ngu-1502 no-1602.

4. Ithubhu yokugaya: FJWP