CEPAI's API6A Check Valves za a iya raba shi zuwa nau'i uku, waɗanda su ne Swing check bawul, Piston Check Valve da Lift Check Valve, duk waɗannan bawul ɗin an tsara su kamar yadda daidaitaccen bugun API 6A na 21 yake. Suna gudana a cikin hanya guda kuma haɗin haɗin ƙarshe an bi su tare da API Spec 6A, hatimin ƙarfe-ƙarfe yana ƙirƙirar daidaitaccen aiki don matsin lamba, yanayin yanayin zafin jiki. Ana amfani da su don abubuwan Chock da bishiyoyin Kirsimeti, CEPAI na iya bayar da girman huda daga 2-1 / 16 zuwa 7-1 / 16 inci, kuma matsin lamba daga 2000 zuwa 15000psi.

Design Musammantawa:
Standard Check ƙofar bawul suna daidai da API 6A 21th sabon Bugawa, kuma suna amfani da kayan dacewa don sabis na H2S bisa ga daidaitattun NACE MR0175.
Matakan Musamman Samfur: PSL1 ~ 4 Kayan Aji: AA ~ FF Abun Aiwatar da Aiki: PR1-PR2 Zafin zazzabi: LU

Samfurin fasali:
Seal Tabbataccen hatimi ， kuma mafi matsin lamba shine mafi kyau hatimi
Noise noisearar karar jijiyoyi
The sealing surface tsakanin ƙofa da jiki ne welded da wuya gami, wanda yana da kyau lalacewa juriya yi
Structure Tsarin rajistan dubawa na iya zama Bar, Swing ko Piston nau'in.