
Oche valvụ bụ ihe a na-ahụkarị na valvụ, nke nwere dayameta dị n'èzí sitere na 10 mm ruo 700 mm na dayameta dị n'ime sitere na 5 mm ruo 600 mm. Oche valvụ Stelite bụ ụdị ihe mkpuchi ihu siri ike, a na-ejikwa ya n'ọtụtụ ebe n'ihi njirimara ya zuru oke dị ka nguzogide cavitation na nguzogide corrosion. Ụlọ ọrụ anyị na-arụpụta oche valvụ Stelite alloy site na ịnakwere nkedo nkenke ikuku ikuku, nkedo nkenke nkenke ma ọ bụ usoro ntụ ntụ.
Nkọwa ngwaahịa
Oche valvụ bụ ihe a na-ahụkarị na valvụ, nke nwere dayameta dị n'èzí sitere na 10 mm ruo 700 mm na dayameta dị n'ime sitere na 5 mm ruo 600 mm. Oche valvụ Stelite bụ ụdị ihe mkpuchi ihu siri ike, a na-ejikwa ya n'ọtụtụ ebe n'ihi njirimara ya zuru oke dị ka nguzogide cavitation na nguzogide corrosion. Ụlọ ọrụ anyị na-arụpụta oche valvụ Stelite alloy site na ịnakwere nkedo nkenke ikuku ikuku, nkedo nkenke nkenke ma ọ bụ usoro ntụ ntụ.
Ọkwa
Ọkwa C Si Mn Cr Ni Mo W Fe Co density/g/cm3 Ike/HRC
Stelite 3 2.0 ~ 2.7 1.0 1.0 29-33 3.0 1.0 11.0 ~ 14.0 3.0 Bal. 8.55 51-55
Stelite 6 0.9–1.4 1.5 1.0 27–31 3.0 1.5 3.5–5.5 3.0 Bal. 8.30 38–44
Stelite 12 1.1–1.7 1.0 1.0 28–32 3.0 – 7.0–9.5 3.0 Bal. 8.40 44–49
Stelite 21 0.2 ~ 0.3 1.0 1.0 ~ 2.0 26-28 2.5 5.0 ~ 6.0 - 2.5 Bal. 8.33 27-40
Mpaghara ngwa
A na-ejikarị oche valvụ stelite alloy na valves dị ka valvụ nru ububa na valvụ globe na-arụ ọrụ n'okpuru ọnọdụ pụrụ iche na-achọ nguzogide corrosion na iyi nguzogide. Ha na-abịa n'ụdị dị iche iche ma na-enwe nnukwu ngwa.
Uru na Ọrụ
Ụlọ ọrụ anyị na-arụpụta ngwaahịa oche Stellite alloy valvụ zuru oke site na ịnakwere nkedo ziri ezi na usoro ntụ ntụ. Anyị na-enwe ike ịnye nduzi teknụzụ na ngwọta ahaziri dịka ihe ndị ahịa chọrọ.