Cikakken Cepai na Apiuna ana iya raba bawul na uku, waɗanda suke jujjuya bawul, Piston duba bawul, duk waɗannan ayar an tsara su kamar yadda API 21th Standard. Suna gudana cikin tsari guda ɗaya da haɗin haɗin kai tare da Api Deɓaɓɓen Hanya, murfin karfe yana haifar da madaidaiciyar aiki don matsin lamba, yanayin zafi mai zafi. Ana amfani da su don chock da yawa da bishiyoyi na Kirsimeti, Cefai na iya bayar da girman girman daga 2-1 / 16 zuwa 7-1 / 16 inch, da kuma kewayon daga 2000 zuwa 15000Si.

Tsarin Tsara:
Standardoft Dooroft Vawvers suna daidai da Api 6a 21 na sabuwar bugu, da amfani da kayan da suka dace don sabis na H2S175 na Mr0175 na Mr0175 na Mr0175 Standard.
Mataki na musamman: PSL1 ~ 4 Class aji: AA ~ FF Concections: CH1-Pr2 zazzabi aji: Lu

Fasalin Samfura:
◆ amintacce hatimi, kuma mafi matsin lamba mafi kyau
◆ Karamin hayaniya
◆ Zafin murfin rufe tsakanin ƙofa da jiki yana kwance da wuya, wanda ke da kyakkyawan yanayin juriya
◆ Binciken tsarin bawul din na iya zama dauke, juyawa ko nau'in piston.