Valve Lata Lagaw Ni A Arung arai Ni Kade daram Corrosion- hpe ninghkap lu ai kun?

Industrial ginra hta, valve ni gaw hka jaw ai ladat ni hta ahkyak ai hkang zing ai arung arai ni rai nna, shanhte a bungli galaw ai lam hpe kam hpa mai ai lam gaw ahkyak dik rai nga ai. Valve Hand Wheels gaw valve ni hpe bungli galaw na matu ahkyak ai arung arai ni rai nna, shanhte a arung arai ni a n-gun n rawng ai lam gaw valve a service life, bungli galaw ai aten hta ngang grin ai lam, system ting a shim lum lam ni hpe hkrak hkra hkra machyi shangun ai.

Laika man jahpan

1. Valve Hand Wheels a matu lang ai arung arai ni hpe garan ginhka ai lam

2. Valve Hand Wheels arung arai ni hpe n bung ai bungli galaw ai shara ni hta n-gun n rawng ai hpe chyam yu ai

3. Chyam dinglik ladat ni hte arung arai ni a n-gun hpe shingdaw ai data

4. Valve Hand Wheels arung arai ni hpe n-gun n rawng hkra galaw na matu ladat ni

5. Ngut nna tsun ai

1. Valve Hand Wheels a matu lang ai arung arai ni hpe garan ginhka ai lam

●Hpyen arai

Carbon n-gang: Carbon n-gang gaw grai law hkra lang ai rai nna, manu n-htuk ai -hpyen rai langai mi rai nga ai. Madung hku nna katsi katsang re ai shara ni hte n-gun n rawng ai shara ni hta, carbon n-gangvalve lata leng nikaja ai jak rung atsam hte hkrang hpe makawp maga lu ai. Raitim, nbung katsi ai, hka hte n-gun ja ai chemical media ni hte kalang mi hkrum katut ai shaloi, carbon steel gaw grai loi ai hku nna oxidize byin wa nna, n-gun ja ai lam byin wa ai majaw, lata leng a hkrang hpe hkra machyi shangun ai. Grai sawng ai masa hta, shi a jak n-gun hpe pyi shayawm kau ya nna, bungli galaw ai lam hta hkra machyi shangun chye ai. Ga shadawn, hka lim ai shara nkau mi hta, laksan anti-n-gun n rawng ai carbon steel lata leng ni hta shata loi mi laman hta dan dawng ai n-gun n rawng ai shara ni pru wa chye ai.

Stainless steel: Stainless steel hpe n-gun n rawng ai majaw, valve lata leng ni hpe galaw ai hta grai lang ma ai. Masha law malawng lang ai ni gaw 304 n-gun n rawng ai n-gang hte 316 n-gun n rawng ai n-gang. 304 n-gun n rawng ai n-gang gaw n-gun n rawng ai n-gang hpe n-gun rawng ai hte nbung hte hka zawn re ai n-gun kya ai n-gun rawng ai media ni hpe mung ninghkap lu ai. 304 stainless steel hand wheels ni gaw, n-gun n rawng ai n-gun n law ai bungli galaw ai shara nkau mi hta, n-gun n rawng ai hku galaw lu ai. Raitim, chloride ion zawn re ai n-gun ja ai ion ni nga ai grup yin ni hta gaw, shi a n-gun ja ai hpe ninghkap lu ai atsam hpe chyam dinglik hkrum na re. Dai hte nhtan shai ai hku nna, 316 stainless steel gaw molybdenum hpe jat bang ai majaw chlorides zawn re ai n-gun ja ai media ni hpe grai hkam sharang lu ai atsam grau kaja wa nna, panglai makau grup yin, tsi hpaga lam ni hte kaga hpaga lam ni hta grau nna jai lang wa sai. Hka hkin gau makau na tsi rung ni hta, 316 stainless steel hte galaw da ai valve hand wheel ni gaw, panglai hka n-gun hte tsi rung arung arai ni hte aten galu-matut mahkai ai shaloi, kaja ai hku galaw lu nna, shaning law law du hkra (sh) dai hta grau galu hkra galaw lu ai. ​

Copper alloy: Copper alloy gaw nbung hpe kaja ai hku shalai ya lu ai, wan n-gun hpe shalai ya lu ai hte nkau mi a n-gun hpe ninghkap lu ai atsam nga ai. Masha law malawng lang ai ni gaw magri hte magri mang re. Brass gaw nbung makau grup yin hta n-gun n rawng ai majaw, n-gun n rawng hkra, ntsa kaw oxide film byin wa na re. Raitim, acidic media nkau mi hta gaw, magri a n-gun yawm mat na re. Bronze gaw panglai hka hpe grau hkam jan lu ai. Sanghpaw li galaw ai lam hta, magri mang .Valve kata na lengpanglai hka valve ni hpe hkang na matu law law lang lang ai, dai gaw panglai hka n-gun yawm mat ai hpe atsawm sha ninghkap lu nna, sanghpaw li valve system hpe aten galu-n-gun jaw lu ai.

●-hpyen n re ai arung arai ni

Plastic: Valve Plastic hte galaw ai Hand Wheels ni gaw n-gun n law ai, manu n law ai, n-gun n law ai, n-gun n law ai, etc. ni a akyu ni nga ai, dai hta n-ga, laksan chemical media nkau mi hta mung n-gun n law ai hpe hkam sharang lu ai atsam nga ai. Ga shadawn, polypropylene (PP) hte galaw da ai lata leng ni gaw, acid, alkali, sau law malawng hpe hkam sharang lu ai. Chemical, malu masha hte lu sha hpaga lam nkau mi hta, grai n-gun n rawng ai liquid (sh) gas media nkau mi a valve ni hpe hkang na matu lang ma ai. Raitim, plastic arung arai ni a jak n-gun gaw loi mi sha nga ai, nbung katsi ai shara ni hta mung n-gun yawm mat na matu loi ai. Jan a nhtoi hta aten galu nga yang asak kaba wa nna, shanhte a magam bungli prat hte n-gun n rawng ai hpe hkra machyi shangun ai. ​

Rubber: Rubber arung arai ni hpe grau kaja ai sealing hte buffering galaw ra ai valve lata leng nkau mi hta lang chye ai. Vulcanization galaw ngut ai hpang, shingra tara hku nna n-gun n rawng ai acid, alkali, hte sau ni hpe n-gun n rawng ai n-gun langai ngai nga ai. Raitim, n-gun ja ai oxidant ni (nitric acid, concentrated sulfuric acid zawn re ai ni), sau nhprang dat ni, nkau mi a organic hka ja ai baw ni hta, rubber gaw n-gun ja wa nna, asak kaba wa ai, kaga mabyin masa ni a majaw, bungli galaw ai lam hpe hkra machyi shangun ai. Raitim, n-gun n rawng ai nbung laru nkau mi hta, n--n-gun n ja ai hka htung ni (sh) n-gun n law ai wan jak ni hta, rubber hand wheel seals ni gaw kaja ai lit hpe gun hpai lu nna, n-gun n rawng ai hpe ninghkap lu ai atsam langai ngai nga ai.

2. Valve Hand Wheels arung arai ni hpe n bung ai bungli galaw ai shara ni hta n-gun n rawng ai hpe chyam yu ai

1. Tsi hpaga lam

Dai tsi hpaga lam hta, grai n-gun ja ai tsi mawan ni law law lawm ai, dai ni gaw, n-gun ja ai acid ni rai nga ai, sodium hydroxide zawn re ai n-gun ja ai alkali ni, hka htung amyu myu lawm ai. Ndai zawn re ai makau grup yin hta, valve hand wheel arung arai a n-gun n-gun grai law ai. Ga shadawn, sulphuric acid galaw ai bungli shara hta, sulfuric acid lwi ai hpe hkang lu na matu, valve hpe ayan hpaw nna pat ra ai. Carbon steel hte galaw ai lata leng hpe lang yang, kade nna yang sulfuric acid a majaw n-gun yawm mat nna, n-gun n rawng mat na re. Ndai aten hta, high alloy steel (chromium hte nickel law ai stainless steel zawn re ai) shing nrai, laksan anti-n-gun n rawng ai arung arai ni hpe lang nna, aten galu lang na matu ra kadawn ai lam ni hpe hkap la lu na matu, lata leng ni hpe galaw ma ai. Hkrak ai jahpan ni hku yu yang, tsi hpaga lam hta, n-gun n rawng ai majaw, valve hpe gram lajang ai (sh) galai shai ai a matu jai gumhpraw gaw, jak rung yawng hpe gram lajang ai jai gumhpraw hta na 30% - 40% rai nga ai. ​

2. Panglai hpaga lam

Panglai grup yin hta hka law ai, hka lim ai, panglai hka lim ai lam ni nga ai. Sanghpaw li ni hta, panglai hka shang pru wa ai hpe hkang lu na matu, ballast hka hpe hkang lu na matu, valve system hpe ayan galaw ra ai.Pamlai hka a madung daw gaw sodium chloride rai nna, dai gaw magri arung arai ni hpe grai hkra machyi shangun ai. Ga shadawn, n-gun n rawng ai sanghpaw kaji langai mi hta, carbon steel Valve Hand Wheels ni hpe laning mi jan lang ngut ai hpang, ntsa kaw grai sawng ai n-gun n rawng ai hka htung ni nga ai majaw, bungli galaw na matu grai yak hkak wa ai. Raitim, magri (sh) 316 stainless steel hte galaw da ai lata leng ni hpe panglai makau grup yin hta shaning law law ngang grin ai hku jai lang lu ai majaw, sanghpaw li a valve system a kam hpa mai ai lam hte magam bungli prat hpe grai shatsaw ya lu ai. Panglai hkin-gau ntsa na platform zawn re ai shara kaba ni hta, valve handwheel arung arai ni a matu n-gun n rawng ai hpe ninghkap lu na matu ra kadawn ai lam ni hpe grau nna hkan sa ra ai. Hpa majaw nga yang, n-gun ja ai panglai makau grup yin hta aten galu ngang grin ai hku bungli galaw lu na matu, n-gun ja ai-n-gun ja ai n-gun ja ai magri arung arai ni hpe jai lang ai hta n-ga, n-gun ja ai panglai makau grup yin hta aten galu ngang grin ai hku bungli galaw lu na matu, n-gun ja ai anti-hpyen n-gun hpe mung jat bang ai. ​

3. Lusha hte lu sha hpaga lam .

Lusha hte lu sha hpaga lam hta san seng ai lam grai law hkra ra kadawn nga ai, galaw shapraw ai lam nkau mi gaw, acidic lu sha, hka shin ai tsi ni zawn re ai, n hkru n kaja ai media nkau mi hte mung matut mahkai wa na re.Ndai grup yin hta,Chyinghka Valve Lata Lengkaja ai n-gun n rawng ai sha n-ga, malu masha san seng ai lam hte shim lum ai madang ni hpe mung hkan sa ra ai. Ndai bungli hta plastic arung arai ni (PP, PE, etc. zawn re ai malu masha masat masa ni hpe hkan sa ai) hte n-gun n rawng ai arung arai ni hpe grai lang ma ai. Plastic arung arai ni gaw acid rawng ai lu sha ni a majaw byin wa ai n-gun hpe atsawm sha ninghkap lu nna, bacteria ni n-gun n rawng ai; stainless steel arung arai ni gaw, n-gun n rawng ai hte san seng ai lam kaja ai, ntsa lam gaw n-gun n rawng ai hte san seng na matu loi ai.

3. Chyam dinglik ladat ni hte arung arai ni a n-gun hpe shingdaw ai data

●Salt chya ai chyam yu ai

Salt spray test ngu ai ladat gaw, arung arai ni a n-gun hpe chyam yu na matu lang ai ladat langai rai nga ai. Kalang lang nbung katsi ai shara (galaw madang 35℃), nbung katsi ai shara (95% daram), hte hka lim ai n-gun (madung hku nna NaCl) hta, chyam dinglik ai arung arai hpe hka lim ai n-gun hpe hkam sharang lu ai atsam hpe lu la na matu jep joi ai lam galaw ai. Lahta na gaw, Valve Hand Wheels arung arai law law hta, sau chya ai chyam dinglik ai lam ni kaw na data nkau mi hpe shingdaw ai lam re.

Data ni gaw, sau chya ai chyam dinglik ai makau grup yin hta, n bung ai arung arai ni a n-gun n bung ai lam hpe madun dan ai. Carbon steel gaw grau sawng ai n-gun hpe ninghkap lu ai atsam nga ai, grai sawng ai n-gun gaw aten kadun laman hta byin pru wa ai; 304 n-gun n rawng ai n-gang hte magri mang ni gaw, n-gun n rawng ai n-gang hte polypropylene (PP) ni hte shingdaw yu yang, shanhte a n-gun rawng ai n-gun gaw, n-gun rawng ai n-gun langai ngai naw nga ai; 316 n-gun n rawng ai n-gang hte polypropylene (PP) ni gaw, hka lim ai n-gun hpe kaja ai hku ninghkap lu ai atsam nga ai, grau nna polypropylene (PP) gaw, aten galu-hka lim ai chyam dinglik ai hta, dan dawng ai galai shai lam n nga ai daram rai nga ai. ​

● Chemical hka kata de lup bang ai chyam dinglik ai lam

Dai chemical media hpe grau tengman ai hku shingdaw lu na matu,Lata leng hta jahkring kau ai Valven bung ai hpaga lam makau grup yin ni hta hkrum katut ai rai yang, chemical medium immersion chyam dinglik ai lam ni hpe mung galaw ai. 5% sulfuric acid ntsin, 10% sodium hydroxide ntsin, 3% sodium chloride ntsin zawn re ai, n bung ai arung arai ni a lata hte lang ai sample ni hpe dai ni hta lup bang nna, shanhte a n-gun n rawng ai masa hpe yu na matu, n-gun rawng ai tsi mawan media law law hpe lata la ai. Lahta na gaw, aten ladaw langai mi laman, n bung ai chemical media ni hta lup bang ngut ai hpang, arung arai nkau mi a bungli galaw ai lam hpe madun da ai:

316 n-gun n rawng ai n-gang hte polypropylene (PP) ni gaw, n-gun rawng ai n-gun hpe naw hkam sharang lu ai, n-gun rawng ai n-gun amyu myu hta dan dawng ai n-gun rawng ai lam n nga ai. 304 n-gun n rawng ai n-gang gaw sulfuric acid n-gun rawng ai n-gun rawng ai lam nkau mi nga ai, sodium decorrolight hta grau nna n-gun rawng ai lam nga ai. n-gang hte magri mang ni hpe lang ai. Carbon steel gaw chemical media masum hta grai sawng ai n-gun yawm ai lam hpe madun dan ai, dai gaw n-gun yawm ai chemical medium makau grup yin hta valve lata leng ni a matu arung arai langai hku nna n htap htuk ai hpe madun ai.

4. Valve Hand Wheels arung arai ni hpe n-gun n rawng hkra galaw na matu ladat ni

1. Material lata ai lam hpe grau kaja hkra galaw ai

N bung ai lang ai makau grup yin hte media a arawn alai ni hpe hkan nna, valve lata leng ni a n-gun hpe grau kaja hkra galaw na matu ahkyak ai lam gaw, valve lata leng ni a arung arai hpe hkrak hkrak lata la ra ai. Grai n-gun ja ai shara ni hta, n-gun ja ai n-gun ja ai arung arai ni hpe grau ra sharawng ma ai. Ga shadawn, tsi hpaga lam hta n-gun ja ai acid hte alkali makau grup yin hta, n-gun ja ai n-gang (sh) laksan n-gun rawng ai arung arai ni hpe lata la ai; panglai makau grup yin hta, panglai hka n-gun n rawng ai n-gang, magri hte kaga arung arai ni hpe 316 lang ai; lusha hte lu sha hpaga lam hta, lusha san seng ai madang ni hpe hkan sa nna, n-gun n rawng ai plastic (sh) n-gun n rawng ai arung arai ni hpe lata la ma ai. ​

2. Ntsa lam hpe tsi lajang ai hpaji hpe jai lang ai

Coating treatment: Valve lata leng ni a ntsa hpe coating galaw ai gaw, n-gun n rawng hkra galaw na matu, n-gun rawng ai ladat langai rai nga ai. Ga shadawn, hot-dip galvanizing coating gaw carbon steel lata leng ni a ntsa e zinc layer hpe shabyin ya lu nna, nbung hte hka hpe atsawm sha garan ginhka ya lu nna, shi a n-gun hpe grau kaja hkra galaw ya lu ai. Nkau mi hta hka lum ai -dip galvanizing coating hpe grai lang ma ai.ngang kang ai lata lengshinggan de lang ai shaloi, lata leng ni a prat hpe 2-3 lang jat ya lu ai. Dai hta n-ga, epoxy coating, polyurethane coating ni mung nga ai, dai coating ni gaw n-gun kaja ai hte chemical n-gun hpe ninghkap lu ai majaw, lata leng ni hpe grau nna makawp maga ya lu ai.

Electroplating: Wan n-gun hte n-gun dat ai ladat hpe mung, ntsa lam hpe n-gun dat ai ladat langai mi rai nga ai. Electroplating hku nna, chrome, nickel zawn re ai, n-gun n rawng ai n-gun rawng ai n-gang hpe n-gang ntsa hta n-gun dat mai ai. Chrome plating layer gaw, n-gun ja ai, n-gun ja ai, n-gun ja ai n-gun ja ai akyu ni nga ai, dai gaw lata hte galaw ai n-gang a hkrang nsam hte n-gun ja ai hpe grai shatsaw ya lu ai. Nkau mi hta, hkrang nsam ra kadawn ai lam ni grai law nna, n-gun n-gun hpe mung n-gun n-gun n-rawng hkra galaw ra ai aten ni hta, chrome-plated valve hand wheels ni hpe grau lang ma ai. ​

3. Galoi mung gram lajang ai lam hte bau maka ai lam .

Valve hand wheel ni hpe ayan gram lajang nna yu lajang ai gaw, byin mai ai n-gun n rawng ai manghkang ni hpe aten dep mu tam nna hparan ya lu nna, shanhte a prat hpe galu shangun lu ai. Ga shadawn, ntsa kaw n-gun rawng ai nhprang arai, nhprang arai hte n-gun rawng ai arung arai ni hpe yeng seng kau na matu, lata n-gang hpe ayan jasan jaseng ra ai; lata n-gang a ntsa e n-gun n rawng ai kumla ni nga ai kun ngu ai hpe jep yu u. Kachyi mi n-gun n rawng ai hpe mu jang, aten dep gram lajang u, ga shadawn, sandpaper hte sand galaw nna, bai-coating galaw u. Hpaga lam kaba nkau mi hta, valve hpe gram lajang na matu hkrak tup hkrak re ai masing hpe ka da na rai nna, valve system hpe aten galu- ngang grin hkra galaw lu na matu, lata hte galaw ai n-gang hpe gram lajang na matu asan sha re ai tara masa ni hte bungli galaw ladat ni mung nga ai.

5. Ngut nna tsun ai

1990 ning na corrosion hpe ninghkap lu ai atsam nga ai.Valve lata leng nimaterials gaw bungli amyu myu hta shanhte a jai lang ai lam a akyu ni hte seng nga ai. Common metals hte non-metallic materials ni a corrosion resistance hpe sawk sagawn ai hte, bungli galaw ai shara amyu myu a grup yin chyam dinglik ai lam ni hku nna, shanhte a corrosion hkam sharang lu ai atsam hpe grau kaja hkra galaw ya lu ai, n-gun rawng ai arung arai ni hpe lata la ai, kaja ai ntsa lam hpe gram lajang ai hpaji masa hpe jai lang ai, ayan gram lajang ai lam ni gaw ahkyak ai lam ni re ai hpe mu lu ai. Hpaga lam hpaji rawt jat wa ai hte maren, Valve Hand Wheels arung arai ni hpe n-gun n rawng hkra galaw na matu ra kadawn ai lam ni gaw loi loi hte grau grau law wa nga ai. Seng ang ai ni gaw, arung arai hpaji masa a rawt jat galu kaba wa ai lam hpe hkan nang nna, hpaga lam ra kadawn ai lam ni hpe hkap la lu na matu, hpaga lam hpe atsawm sha, ngang grin hkra rawt jat galu kaba wa hkra, grau kaja ai n-gun n rawng ai arung arai ni hpe galaw shapraw ra ai.