Nneɛma a wɔde paw nneɛma a wɔde yɛ valve sealing surfaces

Dade valve ahorow a wɔde kata so ( .DC341X-16 Double flanged eccentric ntontom valve) no, mpɛn pii no, ( .TWS valve no)surfacing welding a ɛwɔ soro. Wɔakyekyɛ nneɛma a wɔde yɛ valve surfacing no mu akuw atitiriw 4 sɛnea alloy no su te, a ɛne cobalt-based alloys, nickel-based alloys, iron-based alloys, ne copper-based alloys. Saa alloy nneɛma yi yɛ electrodes, welding nhama (a flux-cored nhama ka ho), fluxes (a nsakraeɛ alloy fluxes ka ho) ne alloy powders, ne nea ɛkeka ho, na wɔde nsa arc welding, oxyacetylene ogya welding, tungsten argon arc welding, submerged arc automatic welding ne plasma arc welding.

Nneɛma a wɔde paw valve sealing surface surfacing nneɛma (DC341X3-10 na ɛwɔ hɔDouble flanged eccentric ɔkɔre valvenipadua sealing ring) no taa gyina ɔhyew a wɔde di dwuma, adwumayɛ nhyɛso ne corrosiveness a ɛwɔ valve no mu, anaasɛ valve no su, sealing surface no nhyehyɛe, sealing pɔtee nhyɛso ne sealing pɔtee nhyɛso ne nhyɛso pɔtee a wɔma ho kwan, anaasɛ adwumayɛbea no adwumayɛ ne ne yɛ tebea, adwinnade no tumi a wɔde yɛ adwuma ne mfiridwuma tumi a ɛwɔ surfacing ne ahwehwɛde ahorow a wɔn a wɔde di dwuma no wɔ so. Ɛsɛ sɛ wogye nhyehyɛe a wɔayɛ no yiye nso tom, na ɛsɛ sɛ wɔpaw nneɛma a wɔde sɔ nsɔano a ne bo sua, adeyɛ a ɛnyɛ den ne nea ɛyɛ adwuma yiye a ɛkorɔn wɔ tebea a ɛbɛma (D341X3-16 Double flanged concentric ntontom valve )valve a wɔde yɛ adwuma.

Nneɛma a wɔde yɛ valve sealing surfaces no bi wɔ ɔkwan biako pɛ, anaasɛ electrode anaa welding wire anaa alloy powder, enti ɔkwan biako pɛ na wobetumi de ayɛ surfacing. Ebinom yɛ welding abaa, welding nhama anaa alloy powders wɔ akwan horow so, te sɛ stellite l 6 alloy, abien no nyinaa welding abaa (D802), welding nhama (HS111) ne alloy powders (PT2102), afei nsaano arc welding, oxy2acetylene ogya welding, tungsten argon arc welding, waya aduan plasma arc welding ne powder plasma arc welding ne akwan foforo betumi adi dwuma ama surfacing welding. Sɛ yɛpaw surfacing nneɛma ma valve sealing soro, ɛsɛ sɛ yesusuw paw surfacing kwan no ne mature mfiridwuma, mmerɛw adeyɛ ne soro production efficiency adwuma no, sɛnea ɛbɛyɛ a yɛbɛhwɛ ahu sɛ ɛyɛ nokware wɔ ne adwumayɛ wɔ surfacing manufacturing a sealing soro.

Nsɔano no ne ade titiriw a ɛwɔ valve no mu (D371X-10 Wafer ntontom valve), na ne su ka valve no nkwa nna tẽẽ. Nteaseɛ a wɔpaw nneɛma a ɛwɔ valve sealing surface no yɛ akwan a ɛho hia a wɔfa so ma valve no nkwa nna tu mpɔn no mu biako. Ɛsɛ sɛ wɔkwati ntease a ɛnteɛ wɔ nneɛma a wɔde paw valve sealing surface nneɛma no mu.

Atosɛm 1: Sɛnea valve no yɛ den ( .D371X3-16C na ɛwɔ hɔ) sealing surface material no yɛ kɛse, na ne wear resistance ye.

Nsɔhwɛ ahorow kyerɛ sɛ sɛnea dade ade no microstructure na ɛkyerɛ sɛnea valve sealing surface material no ntumi nsɛe. Dadeɛ nneɛma bi a austenite yɛ matrix ne hard phase structure kakra no nyɛ den koraa, nanso wɔn wear resistance yɛ papa paa. Valve no ani a ɛkata so no wɔ denden bi a ɛkorɔn sɛnea ɛbɛyɛ a nneɛma a ɛyɛ den a ɛwɔ aduru no mu no rempira na ɛrensɛe no. Nneɛma nyinaa a wosusuw ho, hardness bo HRC35 ~ 45 no fata.

Atosɛm 2: Valve sealing surface material bo yɛ den, na ne adwumayɛ ye.

Ade bi bo yɛ n’ankasa aguade su, bere a sɛnea ade no yɛ adwuma no yɛ ne honam fam su, na abusuabɔ biara a ɛho hia nni abien no ntam. Cobalt dade a ɛwɔ cobalt a wɔde afra mu no fi nneɛma a wɔde fi amannɔne ba mu, na ne bo yɛ den, enti nneɛma a wɔde cobalt ayɛ no bo yɛ den. Cobalt-based alloys yɛ nea ɛda adi sɛ ɛyɛ den sɛ ɛbɛhyɛ wɔ ɔhyew a ɛkorɔn mu, bere a sɛ wɔde di dwuma wɔ ɔhyew tebea a ɛfata ne nea ɛwɔ mfinimfini mu a, ne bo/adwumayɛ yɛ kɛse koraa. Wɔ paw a wɔpaw valve sealing surface nneɛma, ɛsɛ sɛ wɔpaw nneɛma a ne bo/adwumayɛ a ɛba fam.

Atosɛm 3: Sɛ ade a wɔde kata valve no so no tumi gyina nsɛe ano yiye wɔ ade a ɛyɛ den a ɛporɔw mu a, ɛsɛ sɛ ɛsakra kɔ nneɛma afoforo a ɛporɔw mu.

Dade nneɛma a ɛko tia nsɛe no wɔ n’ankasa adwinnade a ɛyɛ den, ade bi wɔ ahoɔden a ɛko tia nsɛe wɔ ade a ɛyɛ den a ɛporɔw mu, na tebea horow no sesa kakra, te sɛ ɔhyew anaa mfinimfini dodow, nsɛe a ɛko tia no sesa. Wɔ ade foforo a ɛporɔw fam no, ɛsono sɛnea ɛko tia nsɛe no kɛse. Wɔnam sɔhwɛ ahorow so nkutoo na wobetumi ahu sɛnea dade nneɛma ntumi nsɛe no, na ɛsɛ sɛ wɔte tebea horow a ɛfa ho no ase ma wɔde hwehwɛ nneɛma a ɛfa ho mu, na ɛnsɛ sɛ wɔfɛm anifurae so.