A na-esi na nnukwu conduit shei na-arụ ọrụ siri ike n'ikuku igwe siri ike dị ka nkọwa kachasị ọhụrụ na ọkọlọtọ ANSI C80.1 (UL6).

Ime na mputa elu nke elbows bụ free si ntụpọ na ezigbo welded onuete, na-juputara na evenly ntekwasa na zinc iji na-ekpo ọkụ itinye galvanizing usoro, nke mere na metal-na-metal kọntaktị na galvanic nchebe megide corrosion na-nyere, na elu nke. elbows na mkpuchi post-galvanizing doro anya iji nyekwuo nchebe megide corrosion.

A na-emepụta elbows na nha ahia nkịtị site na ?“ ruo 6 ”, ogo gụnyere 90 deg, 60 deg, 45 deg, 30 deg, 22.5deg, 15deg ma ọ bụ dị ka arịrịọ ndị ahịa si dị.

A na-etinye eriri elbows na nsọtụ abụọ ahụ, a na-etinye ihe nchebe eri nwere agba ụlọ ọrụ nwere nha site na 3" ruo 6".

A na-eji elbows na-ejikọta eriri ígwè siri ike iji gbanwee ụzọ nke eriri ahụ.