Ụdị valvụ nchekwa nke mechiri emechi juru juru
A42Y-16C, A42Y-16P, A42Y-16R, KA42Y-16, DA42Y-16P
A42Y-25C, A42Y-25P, A42Y-25R, KA42Y-25P, DA42Y-25P
A42Y-40C, A42Y-40P, A42Y-40R, KA42Y-40, DA42Y-40P
A42Y-64C, A42Y-64P, A42Y-64R, KA42Y-64, DA42Y-64P
A42Y-100C, A42Y-100P, A42Y-100R, KA42Y-100, DA42Y-100P
A42Y-C ụdị na-eji ngwá na pipeline nke ikuku, mmanụ ụgbọala gas, mmiri mmiri wdg ọkara ihe na-arụ ọrụ okpomọkụ bụ ihe na-erughị 300 ℃. A42Y-P ụdị na A42Y-R ụdị na-eji ngwá na pipeline nke àgwà na corrode ọkara ihe na-arụ ọrụ okpomọkụ bụ ihe na-erughị 200 ℃. Were maka mmezi nrụgide nchebe ngwaọrụ.
Flange ejikọta akụkụ nke soro Standard usoro otu nke JB / T.......-94, Soro Standard usoro abụọ nke JB / T.......-94 mgbe karịa 6. 4MPa.
