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Imanuwali Yokusebenza Nokulungisa–Hlola Amavaluvu

1. Ububanzi
Ububanzi be-DN bufaka phakathi i-DN15mm~600mm(1/2”~24”) kanye nobubanzi be-PN kusukela ku-PN1.6MPa~20MPa(ANSI CLASS150~1500) okucutshunguliwe, okuphendulwe, i-BW ne-SW swing kanye nevalvu yokuhlola yokuphakamisa.

2. Ukusetshenziswa:
2.1 Le valve iwukuvikela ukugeleza okuphakathi ukuya emuva ohlelweni lwamapayipi.
2.2 Impahla ye-valve ikhethwa ngokwe-medium.
2.2.1I-valve ye-WCB ilungele amanzi, isitimu kanye nendawo kawoyela njll.
I-valve engu-2.2.2SS ilungele ukugqwala okuphakathi.
2.3 Izinga lokushisa:
2.3.1I-WCB evamile ifanele izinga lokushisa -29℃ ~+425℃
2.3.2I-valve yengxubevange ifanele izinga lokushisa≤550℃
I-valve engu-2.3.3SS ifanele izinga lokushisa-196℃ ~+200℃

3. Isakhiwo kanye nezici zokusebenza
3.1 Isakhiwo esiyisisekelo sinjengoba singezansi:
3.2 I-PTFE kanye negraphite eguquguqukayo kwamukelwa i-gasket eyonakalisayo ukuze kuqinisekiswe ukusebenza kokuvala.

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(A) I-valve yokuhlola isheke efaka umfutho ophakeme ozibekela uphawu

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(B) I-valve yokuhlola isheke yokushisela

1.umzimba 2. disc 3. gasket 4. ibhonethi

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(C) I-BW Lifting Check Valve

(D) I-valve yokuhlola ene-Flanged

1.Umzimba 2. I-Disc 3. Shaft 4. I-Gasket 5. Ibhonethi

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(E)BW Swing Hlola Valve

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(F) I-Flanged Swing Check

1.Body 2. Isihlalo 3. Disc 4. Rocker Arm 5. Pin Shaft 6. Ijoka 7. Gasket 8. Bonnet

3.3 Ingqikithi Yezingxenye Eziyinhloko

Igama Okubalulekile Igama Okubalulekile
Umzimba I-Carbon Steel, i-SS, i-Alloy Steel Phina Shaft SS, Cr13
Seat Seal I-Surfacing13Cr, STL, Rubber Ijoka I-Carbon Steel, i-SS, i-Alloy Steel
Idiski I-Carbon Steel, i-SS, i-Alloy Steel I-Gasket I-PTFE, i-Flexible Graphite
Ingalo ye-Rocker I-Carbon Steel, i-SS, i-Alloy Steel Ibhonethi I-Carbon Steel, i-SS, i-Alloy Steel

3.4 Ishadi Lokusebenza

Isilinganiso Ukuhlolwa kwamandla (MPa) Ukuhlola uphawu (MPa) Ukuhlolwa kwe-Air seal (MPa)
Ikilasi150 3.0 2.2 0.4~0.7
Ikilasi300 7.7 5.7 0.4~0.7
Ikilasi600 15.3 11.3 0.4~0.7
Ikilasi900 23.0 17.0 0.4~0.7
Ikilasi 1500 38.4 28.2 0.4~0.7
Isilinganiso Ukuhlolwa kwamandla (MPa) Ukuhlola uphawu (MPa) Ukuhlolwa kwe-Air seal (MPa)
16 2.4 1.76 0.4~0.7
25 3.75 2.75 0.4~0.7
40 6.0 4.4 0.4~0.7
64 9.6 7.04 0.4~0.7
100 15.0 11.0 0.4~0.7
160 24.0 17.6 0.4~0.7
200 30.0 22.0 0.4~0.7

4. Ithiyori yomsebenzi
I-valve yokuhlola ivula ngokuzenzakalelayo iphinde ivale i-disc ukuvimbela ukugeleza okuphakathi ukuya emuva ngokugeleza okuphakathi.

5. Amazinga e-valve asebenzayo kodwa angagcini kulokhu:
(1) API 6D-2002 (2) ASME B16.5-2003
(3) ASME B16.10-2000 (4) API 598-2004
(5)GB/T 12235-1989 (6)GB/T 12236-1989
(7)GB/T 9113.1-2000 (8)GB/T 12221-2005 (9)GB/T 13927-1992

6. Isitoreji & Ukunakekela & Ukufakwa & Ukusebenza
6.1 Ivalvu kufanele igcinwe egumbini elomile nelinomoya okahle .amaphethelo ephaseji kufanele axhunywe ngamakhava.
6.2 Amavalvu angaphansi kokugcinwa isikhathi eside kufanele ahlolwe futhi ahlanzwe njalo, ikakhulukazi ubuso obuhlalayo ukuze kuvinjelwe umonakalo wabo, futhi ubuso obuhlalayo kufanele bugcotshwe ngamafutha avimbela ukugqwala.
6.3 Ukumakwa kwevalvu kufanele kubhekwe ukuze kuhambisane nokusetshenziswa.
6.4 Imbobo yevalvu nendawo yokuvala kufanele ihlolwe ngaphambi kokufakwa futhi kukhishwe ukungcola uma kukhona.
6.5Indlela yomcibisholo kufanele ifane nendlela yokugeleza.
6.6 Ivalvu yokuhlola idiski eme mpo kufanele ifakwe iqonde epayipini.Ivalvu yokuhlola idiski evundlile ephakamisayo kufanele ifakwe iqonde epayipini.
6.7 Ukudlidliza kufanele kuhlolwe futhi ukuguqulwa komfutho wephayiphi ophakathi nendawo kufanele kuqashelwe ukuze kuvinjelwe umphumela wamanzi.

7.Izinkinga ezingenzeka, izimbangela kanye nezinyathelo zokulungisa

Izinkinga Ezingenzeka Izimbangela Isilinganiso Sokulungisa
Idiski alikwazi ukuvula noma ukuvala
  1. Ingalo yerocker kanye nephinikhodi kuqine kakhulu noma kukhona okuvimbile
  2. Ukungcola kuyavimba ngaphakathi kwevalvu
  3. Hlola isimo sokufanisa
  4. Susa ukungcola
Ukuvuza
  1. I-Bolt ayiqinile ngisho
  2. Ukulimala kwe-Flange seal surface
  3. Ukulimala kwe-gasket
  4. Qinisa ngokulinganayo
  5. Lungisa
  6. Shintsha i-gasket entsha
Umsindo nokudlidliza
  1. Ivalvu iseduze kakhulu ukuze ingampompa
  2. Ingcindezi emaphakathi ayizinzile
  3. Susa ama-valve
  4. Susa ukushintshashintsha kwengcindezi

8. Iwaranti
Ngemuva kokuthi i-valve isetshenzisiwe, isikhathi sewaranti yevalvu yizinyanga eziyi-12, kodwa asidluli izinyanga eziyi-18 ngemuva kosuku lokulethwa.Ngesikhathi sewaranti, umenzi uzohlinzeka ngesevisi yokukhanda noma izingxenye ezisele mahhala ngomonakalo odalwe yimpahla, ubungcweti noma umonakalo inqobo nje uma lokho kusebenza kulungile.


Isikhathi sokuthumela: May-19-2022
Shiya Umlayezo Wakho