PIN yosinthika × PIN (chifupi chachifupi chachimuna), PIN × BOX (chizindikiro chimodzi chachimuna ndi chachikazi), BOX × PIN (chizindikiro chimodzi chachikazi ndi chachimuna chimodzi), kugwirizana kwafupipafupi.
Kutalika kwa machubu osinthika kuchokera ku 2 mapazi (ft) mpaka 20 mapazi (ft); malekezero akhoza machined mu mawonekedwe a EUE (thickened) kapena NUE (osakhuthala). Chophimbacho ndi chachifupi; mtundu wa chamba ukhoza kukonzedwa: SC (chingwe chozungulira chachifupi), LTC (chingwe chozungulira chachitali), BTC (chingwe cha makwerero). Ulusi wonse umatsatira mosamalitsa miyezo ya API5CT / 5B, ndipo zogulitsa zimawunikidwa mosamalitsa musanachoke kufakitale. Onetsetsani kuti khalidwe ndiloyenera!
ukadaulo parameter