Valve ya SDV ni iki: Umurinzi w'umutekano w'inganda

Ubuyobozi bw'ingenzi ku mavalue ya SDV: Kurinda inzira z'ingenzi z'inganda

Mu isi ikomeye ya peteroli na gaze, peteroli, ingufu z'amashanyarazi, n'izindi nganda zikora ibintu bitandukanye, umutekano si ikintu cy'ingenzi gusa; ni ingenzi cyane. Mu mutima wo kurinda abakozi, imitungo, n'ibidukikije ingaruka mbi nk'inkongi z'umuriro, ibisasu, cyangwa uburozi hari ibikoresho by'ingenzi:Valve yo kuzimya (SDV), akenshi kandi yitwaValve yo Gufunga Ingufu mu Buryo bw'Ibiza (ESDV)Ariko se mu by'ukuri valve ya SDV ni iki, kandi kuki ari ingenzi cyane?

An Valve ya SDV (Valve yo kuzimya)ni valve yihariye kandi yemewe yikora ihujwe muriSisitemu y'ibikoresho by'umutekano (SIS)Intego yayo nyamukuru ni ugutandukanya vuba kandi neza igice cy'imiyoboro cyangwa ibikoresho nyuma yo kubona ikimenyetso giturutse kuri SIS, giterwa no kubona ikibazo cyateje akaga (urugero: umuvuduko mwinshi, ubushyuhe bwinshi, imyuka iva, inkongi, kwangirika kw'ibikoresho). Uku gutandukanya vuba bibuza kwiyongera kw'ikibazo binyuze mu guhagarika urujya n'uruza rw'amazi ateje akaga (amazi, imyuka, cyangwa ibice byinshi).

Igisobanuro cya Valve ya SDV: Hirya y'incamake

Ifishi yuzuye ya value ya SDV

Uburyo bwuzuye bwaSDniValve yo kuzimyaIri zina risobanura mu buryo bw'incamake inshingano yaryo y'ingenzi: guhagarika urujya n'uruza rw'amazi mu bihe byihutirwa. AmagamboESDV (Valve yo Gufunga Ingufu)cyangwaSSV (Valve yo kuzimya umutekano)akenshi bikoreshwa kimwe, bigashimangira imiterere y'ingenzi y' "ibiza" cyangwa "umutekano".

Igisobanuro n'Intego by'Ishingiro

Igisobanuro cya vali ya SDV kirenze ibice byayo bya mekanike. Kigereranya:

* Umurongo wa Nyuma wo Kwirinda:Iyo igenzura ry'ibanze ry'imikorere rinaniwe, SDV irakora.

* Kugabanya ibyago:Bigabanya mu buryo butaziguye ingaruka z'impanuka zishobora guterwa n'impanuka.

* Inshingano yo Kwizerwa:Kunanirwa si amahitamo. SDV zigomba gukora uko zibyifuza, igihe cyose.

* Igikorwa cyikora:Uburyo abantu bitabira ibintu buragenda buhoro cyane; SDV zikora mu masegonda cyangwa ndetse na milisegonda.

* Guhuza Sisitemu:Si igikoresho cyigenga ahubwo ni ikintu cy'ingenzi kiri muri SIS yemewe (IEC 61511 / ISA 84.01).

Valve ya SDV ikora ite? Isano ya Sisitemu y'Ibikoresho by'Umutekano (SIS)

SDV ntikora yonyine. Ni yo ngingo ya nyuma iri muriImikorere y'ibikoresho by'umutekano (SIF), igice cyagutse cy'ubuhangaSISDore uko ibintu bisanzwe bikurikirana:

1. Gusuzuma Ibiza:Ibipimo by'amashanyarazi (urugero: ibikoresho byo kohereza umuvuduko w'amashanyarazi, ibikoresho byo gupima ubushyuhe, ibikoresho byo gupima gazi, ibikoresho byo gupima umuriro) bigenzura imiterere y'ibikorwa.

2. Gutunganya Logike:Umugenzuzi wa Sisitemu y’Ibikoresho by’Umutekano (SIS) (nk’Umutekano PLC) uhora usuzuma ibikoresho by’imashini zikoresha sensor ukurikije imipaka y’umutekano yagenwe mbere.

3. Ikimenyetso cy'urugendo:Iyo byemejwe ko hari ikibazo cy’akaga, umugenzuzi wa SIS yohereza ikimenyetso cy’urugendo kuri actuator ya vali ya SDV.

4. Igikorwa cya Valve:Actuator ya SDV yimura vuba valve ikayijyana aho yagenwe mbere (ubusanzwe ifunze neza – FC, ariko rimwe na rimwe ifunguye neza – FO cyangwa ifunguye neza – FL). Ibi bigabanya urujya n'uruza rw'amazi ateza akaga.

5. Gutandukanya inzira:Inzira y'amazi iracibwa, bikarinda ko ibyago byiyongera cyangwa ngo bikwirakwire.

Inzu y'Ingufu: Ibikoresho bya Actuators bya SDV Valve

Actuator ni yo ihindura ikimenyetso cy'amashanyarazi cyangwa umwuka cya SIS mo imbaraga za mechanical zikenewe kugira ngo himurwe plug/ball/disk ya valve vuba kandi neza. Actuator za SDV zifite ibisabwa byihariye:

* Umuvuduko wo hejuru:Ugomba kwimura valve aho ihagaze mu gihe ntarengwa (akenshi ni amasegonda 2-10 kuri valve nini).

* Kwizerwa no kuboneka neza:Yagenewe gukoreshwa gake cyane ariko mu buryo buhambaye cyane. Ubusabe bwo gusibanganya ibintu ni ikintu gikunze kugaragara.

* Umurimo utekanye:Ugomba kwimukira ahantu hatekanye *nta* gikenewe cy'amashanyarazi yo hanze (urugero, iyo umwuka ubuze, amashanyarazi, cyangwa ikimenyetso). Ibi ni ingenzi.

* Torque/Ingufu Ihagije:Ugomba gutsinda imbaraga z'imikorere (umuvuduko, amazi anyuramo) n'ubushyuhe kugira ngo valve ifunguke neza, ndetse no mu bihe bikomeye.

Ubwoko busanzwe bwa SDV Actuator

1. Ibikoresho by'umwuka bitanga imbaraga mu gihe cy'impeshyi:Ubwoko bukunze kugaragara cyane kuri SDV.

* Imikorere:Umwuka urimo umuvuduko ufata value *ku* isoko ikomeye mu mwanya wayo usanzwe wo gukora. Ku kimenyetso cyo kugenda (gutakaza umwuka cyangwa itegeko rya SIS), umwuka usohoka vuba, maze isoko igatwara value cyane ikayigeza aho ikora (ubusanzwe ifunze).

* Ibyiza:Ikoranabuhanga ryizewe, rishobora no kunanirwa, ryihuse kandi ritanga imbaraga nyinshi.

* Ibibi:Bisaba umwuka utangwa n'ibikoresho n'umwuka usukuye kandi wumye.

2. Ibikoresho bya Hydraulic Bisubiza Impeshyi:

* Imikorere:Ihame nk'iryo mu mwuka, ariko rikoresha amazi ya hydraulic munsi y'umuvuduko kugira ngo rifungure/rifunge valvu ku masoko. Gutakaza umuvuduko wa hydraulic cyangwa ikimenyetso cyo kunyuramo birekura amazi, bigatuma amasoko yimura valvu ikagera aho ikora neza.

* Ibyiza:Ubucucike bw'imbaraga nyinshi kurusha ubw'umwuka ku mavali manini cyane, bibereye ahantu kure hatari umwuka.

* Ibibi:Bigoye cyane, bishobora gutuma amazi ya hydraulic ava, bisaba amashanyarazi ya hydraulic.

3. Sisitemu zo Gukusanya Amazi:Akenshi ikoreshwa hamwe n'udupira tunini dukenera imbaraga nyinshi.

* Imikorere:Amazi y'amazi ashyushye cyane abitswe muri accumulator ararekurwa kugira ngo akoreshe ingufu vuba iyo abikeneye. Imashini zishyushya cyangwa imbaraga zirenze urugero zishobora gufasha. Sisitemu igumana ingufu nyinshi zikoreshejwe na pompe.

* Ibyiza:Ingufu nyinshi cyane n'umuvuduko mwinshi cyane mu bikorwa by'ingenzi by'imodoka nini.

* Ibibi:Ibisabwa ku buryo bugoye cyane, ikiguzi, no kubungabunga.

MOV vs. Valve ya SDV: Gusobanukirwa itandukaniro rikomeye

Ikintu gikunze kugaragara mu rujijo niValves zikoresha moteri (MOVs)ugereranijeSDVNubwo byombi bishobora kuba valve zikora, inshingano zabyo n'ibyo zisabwa biratandukanye cyane:

* Ingingo z'ingenzi zo gufata:MOV zigenewe *kugenzura*. SDV zigenewe *umutekano*. MOV muri rusange NTABWO ikwiriye nka SDV keretse yagenewe by’umwihariko, yemejwe, kandi ihujwe nk’igice cya SIS (ibi bikaba bidakunze kubaho bitewe n’umuvuduko n’imbogamizi ziterwa na moteri z’amashanyarazi). Gukoresha MOV idafite icyemezo mu nshingano z’umutekano ni ingaruka zikomeye.

Valves za SDV na BDV: Abafatanyabikorwa mu kurinda

Indi valve ikunze kuvugwa hamwe na SDV niValve yo gupfumura (BDV)Nubwo byombi ari valve z'umutekano muri SIS, bikora ku ntego zitandukanye, rimwe na rimwe zuzuzanya:

* SDV (Valve yo Gufunga):Yibanda ku gutandukanya amazi n'amazi. “Hagarika amazi yinjira.” Akazi kayo ni ugufunga igice.

* BDV (Valve yo gupfuka):Yibanda ku gusohora umwuka ushyushye no kuwusohora. “Kuraho ibintu byose biri aho.” Akazi kayo ni ugusohora amazi y’umuvuduko (gaze cyangwa amazi) vuba cyane ava mu bikoresho cyangwa mu miyoboro *nyuma* cyangwa rimwe na rimwe *mu gihe cyo kwitandukanya* akayajyana ahantu hatekanye (umuriro, umwuka ufunganye, sisitemu ifunze).

Uburyo bakorana:

1. Haraboneka akaga (urugero: umuriro kuri compressor ya gaze).

2. SDV zirafungahejuru no hepfo, bigatandukanya igice cya compressor.

3. BDV zirafunguye, gusohora umwuka ushyushye cyane wafatiwe mu gice cyashyizwe ukwacyo ukagera kuri sisitemu y'umuriro, bigabanura umuvuduko n'umuvuduko w'umuriro.

4. Iki gikorwa gihuriweho gitandukanya akaga *kandi* kigagabanya isoko y'ingufu ihaza.

Ibipimo bya value ya SDV: Amahame ngenderwaho n'ibipimo byo guhitamo

Valve za SDV zigira ingano nyinshi, zigenwa n'umuyoboro cyangwa umunwa w'ibikoresho bigomba gukwirana. Ingano zigenwa ku buryo busanzwe, ahanini zigengwa na:

* ASME B16.10:Ibipimo by'imbonankubone bya Feri (Irembo ry'ibifuniko, umubumbe, sheki, nibindi).

* ASME B16.5:Imyobo n'ibikoresho bya Flanges (Bigena ingano n'ibipimo bya flanges - Icyiciro cya 150, 300, 600, 900, 1500, 2500).

* API 6D / API 6DSS:Ibisobanuro ku miyoboro y'amazi n'imiyoboro y'amazi (Umupira, Igenzura, Irembo, Isongero) / Subsea. Ibipimo ngenderwaho bya SDV mu miyoboro y'amazi n'amazi, bikubiyemo igishushanyo mbonera, ibikoresho, ibizamini, n'ingano.

* Ibisobanuro by'Uruganda:Nubwo byubahirije amahame ngenderwaho, imiterere yihariye y'amavali (cyane cyane akoresha actuators) izaba ifite katalogue zihariye zifite imiterere itandukanye.

Ibipimo by'ingenzi by'ingenzi ku ndwara za SDV:

* Ingano y'umuyoboro w'amazina (NPS):Ingano y'umuyoboro valve ihuza (urugero: 2″, 4″, 12″, 24″, 36″+).

* Icyiciro cy'umuvuduko (Isuzuma rya ASME):Igitutu ntarengwa valve yagenewe (urugero, Icyiciro cya 150, 300, 600, 900, 1500, 2500).

* Imbonankubone (F2F) Igipimo:Uburebure buri hagati y'aho ikigo cy'amazi cyinjirira n'aho gisohokera buherereye. Ni ingenzi cyane mu gushushanya imiyoboro n'intera.

* Gucukura Flange:Imiterere y'umwobo, ingano, n'umubare hakurikijwe ASME B16.5 kuri NPS n'icyiciro byihariye.

* Ingano za Actuator:Imashini ikoresha actuator (cyane cyane imashini zikoresha actuator ku mavali manini) ishobora kongera cyane uburebure rusange (uburebure, ubugari, uburebure). Umwanya wo kugenda no kubungabunga actuator ni ingenzi cyane.

* Guhagarika guhuza:Flanged (RF, RTJ), Butt Weld (BW), Socket Weld (SW), Threaded. Flanged ikunze gukoreshwa cyane kuri SDVs kugira ngo byoroshye kuyishyiraho no kuyibungabunga.

* Uburemere:SDV nini zifite actuators zishobora gupima toni nyinshi. Ibisabwa mu nyubako no mu kuyikoresha ni ingenzi cyane.

Imbere muri Sentinel y'umutekano: Ibice by'ingenzi bya value ya SDV

Gusobanukirwa ibice by'ingenzi bifasha gusobanukirwa imiterere n'isukura ya SDV:

1. Umubiri w'ingufu:Igice cy'ingenzi gifite igitutu, kirimo imbere. Ibikoresho (icyuma cya karuboni, icyuma kitagira umugese, aloyi) bitoranywa hakurikijwe igitutu, ubushyuhe, n'amazi bihuye. Impera zifunze cyangwa zisobetse.

2. Bonnet:Igipfukisho gifatanye n'umubiri, gitanga uburenganzira bwo kugera ku bice by'imbere no gufunga umubiri. Akenshi kiba kirimo gufunga/gufunga inkingi.

3. Gukata:Ibice by'imbere bihura n'amazi akoreshwa mu gutunganya ibintu bigenzura urujya n'uruza rw'amazi:

* Intebe:Ahantu ho gufunga niho hahurira ibintu bifunga.

* Umunyamuryango wafunze:Igice kigenda kibuza urujya n'uruza (Umupira, Irembo, Disiki, Pulagi).

* Igiti:Umugozi uhuza actuator n'igice gifunga, wohereza imbaraga n'ingendo. Aho gufunga by'ingenzi.

4. Umukozi ushinzwe gukora:Nkuko byavuzwe mbere (Pneumatic/Hydraulic spring-return cyangwa accumulator system). Ishyirwa ku gasanduku k'ingufu/umugozi.

5. Igipimo cyo gupima igice cy'imitsi (Uburyo bwo guhitamo - ku isuzuma ry'igice cy'imitsi):Nubwo SDV zisanzwe zifunguye/zifunze neza, sisitemu zimwe na zimwe zikoresha uburyo bwo gusuzuma igice cy’imitsi (PST) kugira ngo zemeze ko intera igenda nta rugendo rwuzuye.

6. Valves za Solenoid (Ikomeye):Valve zigenzurwa n'amashanyarazi mu murongo w'amashanyarazi ujyana umwuka/amazi kuri actuator. Ikimenyetso cya SIS trip gikunze kugabanya ingufu z'izi solenoids, bigatuma umwuka/amazi y'amazi akoreshwa muri actuator wihuta kandi bigatuma impera zigaruka.

7. Amahina ntarengwa:Tanga igisubizo cy'amashanyarazi kuri sisitemu ya SIS/control yemeza aho valve iherereye (Ifunguye/Ifunze/Itembagaye).

8. Ikimenyetso cy'aho umuntu aherereye:Igipimo cy'amaso (akenshi kiri kuri actuator) kigaragaza aho valve iherereye.

9. Umugogo:Imiterere ihuza actuator n'umubiri wa valve kandi igashyigikira igiti.

10.Gupakira/Gufunga:Ni ingenzi cyane mu gukumira amazi ava mu nzira ku ruti no ku ngingo z'umubiri/ingofero. Ibikoresho bigomba guhangana n'imiterere y'inzira.

Kuvuga Ururimi: Ikimenyetso cya Valve ya SDV

Ku bishushanyo by'ubuhanga, cyane cyaneImbonerahamwe z'imiyoboro n'ibikoresho (P&IDs), ibimenyetso byerekana vuba ubwoko bwa valve n'imikorere yayo. Ikimenyetso cya SDV gihuza ibintu:

1. Ikimenyetso cya Valve y'ibanze:Igaragaza ubwoko bwa valve:

* Valve y'umupira:Impandeshatu ebyiri zerekeza imbere, zihujwe n'umurongo.

* Valve y'irembo:Imiterere y'urukiramende hagati y'imirongo ibiri ihagaze.

* Valve yo gushyiramo icyuma:Ishusho ya diyama iri hagati y'imirongo ibiri ihagaze.

2. Ikimenyetso cy'umukoresha:Kuri SDV, ibi ni ingenzi cyane:

* Akare(igaragaza actuator y'umwuka/amazi) ishushanyije ku kimenyetso cya valve.

* Mu gice cyangwa hafi yacyo, harimpandeshatu ntokwerekeza *uruhande* rw'ingufu bigaragazakugaruka mu mpeshyi.

* Icyerekezo inyabutatu yerekezaho (yerekeza ku kimenyetso cya valve) kigaragazaigikorwa kidahungabanyije umutekano:

* Impandeshatu yerekeza kuri valve =Gutsindwa gufunze (FC)

* Impandeshatu yerekeza kure y'imvange =Gufungura Binaniwe (FO)(Ntabwo bikunze kugaragara kuri SDV)

3. Ishyirwa mu bikorwa rya SIS:Akenshi byandikwaho "SDV", "ESDV", "SSV", cyangwa byanditseho inomero ya SIF yihariye (urugero, XV-101).

4. Ikimenyetso cya Solenoid:Hari igihe uruziga ruto ruriho inyuguti "S" (kuri solenoid) rwongerwa hafi y'ikimenyetso cy'imashini ikora.

Urugero rw'ikimenyetso (Valve y'umupira ya SDV idafunze):

|——| <– Actuator (Impande)
| > | <– Impandeshatu yo kugaruka mu mpeshyi (yerekana imbere = Yananiwe gufungwa)
|——|

|

/—–\

—-| O |—- <– Ikimenyetso cya Valve y'Umupira (Izingiti/Inyabutatu)
\—–/

(Icyitonderwa: Ibimenyetso nyabyo bya P&ID biratandukanye gato ukurikije amahame y’ikigo, ariko igikoresho cya spring-return ni cyo kiranga SDV/ESDV).

Guhitamo Igikoresho Gikwiye: Ubwoko bwa Valve ya SDV

Ubwoko bwiza bwa valve yo gukoresha SDV buterwa n'ibintu byinshi: ubuziranenge bw'ingufu zikenewe, umuvuduko, kugabanuka k'umuvuduko, imiterere y'amazi, ingano, n'igiciro. Ubwoko busanzwe ni ubu:

1. SDV z'umupira w'amaguru:

* Imikorere:Guhindukira kimwe cya kane (guhindukira kwa dogere 90). Umupira ufite imbobo urazenguruka kugira ngo ufunguke/ufunge.

* Ibyiza: Yihuta cyaneimikorere (ikwiriye umuvuduko wa SDV), kuzimya neza cyane (ni ngombwa mu kwitandukanya), gukenera imbaraga nke (ni byiza mu gupima ingano y'icyuma gikoresha), kugabanuka guke k'umuvuduko iyo ufunguye, hari icyuho cyuzuye, gufunga mu cyerekezo kibiri. Ubwoko bwa SDV bukunze kugaragara cyane.

* Ibibi:Ntabwo ari byiza cyane mu gihe cyo gupfuka cyane (kwangirika k'umuyoboro w'amazi), bishobora kwangirika ku ntebe hakoreshejwe slurry cyangwa ibintu bikomeye.

* Ibyiza Kuri:Serivisi nyinshi za gazi, amazi, n'isuku zisaba kuzimya vuba kandi vuba. Ingano/umuvuduko mwinshi.

2. SDV za Gate Valve:

* Imikorere:Inzira y'umurongo ihinduka inshuro nyinshi. Disiki y'urukiramende cyangwa iy'urukiramende igenda igororotse ku nzira y'amazi kugira ngo ifunguke/ifunge.

* Ibyiza:Inyura mu buryo butaziguye, umuvuduko wayo ugabanuka cyane iyo ifunguye neza, ni nziza ku bintu bitose/ibinyabiziga byanduye gato (ntibyangiza imyanya kurusha valves z'umupira), kandi birashoboka ko ifunga mu cyerekezo kimwe.

* Ibibi:Gukora buhoro ugereranije na valves z'umupira (guhindukira inshuro nyinshi ugereranije na quarter-turn), bishobora gutera isuri y'intebe/irembo mu muvuduko mwinshi iyo igice gifunguye, bishobora gutuma amazi asohoka uko igihe kigenda ugereranije na valves z'umupira, bisaba imbaraga nyinshi zo gusunika actuator.

* Ibyiza Kuri:Imirongo minini aho kugabanuka k'umuvuduko ari ingenzi, serivisi zo gufunga, porogaramu aho umuvuduko utari ingenzi cyane ugereranyije no mu bindi bice by'iyi sisitemu. Ntabwo bikunze kugaragara kuri SDV zigezweho nk'uko bimeze kuri valve z'umupira.

3. SDV za Plug Valve:

* Imikorere:Guhindukira kimwe cya kane (guhindukira kwa dogere 90). Agace gafite umugozi cyangwa uruziga gafite aho kajya gazunguruka imbere mu mubiri.

* Ibyiza:Imiterere yoroshye, yihuta mu buryo bukwiye, ifite ubushobozi bwo kuzimya amabara menshi, ishobora guhangana n'ibitonyanga neza, ifite umuyoboro wose.

* Ibibi:Umuvuduko mwinshi w'imikorere ugereranije na valves z'umupira (cyane cyane mu bunini/serivisi ikomeye), ubushobozi bwo gucika intege (gukoranaho n'icyuma n'icyuma), ibisabwa mu gusiga amavuta (ku bwoko bwasizwe amavuta).

* Ibyiza Kuri:Ibisabwa ku muvuduko uringaniye, serivisi zo gufunga, imirongo mito, porogaramu zihariye aho igishushanyo mbonera cy'amaplagi ari cyiza. Bidakunze kugaragara nk'amavalufu y'umupira.

Incamake y'ibyagombye gukurikizwa mu guhitamo

* Umuvuduko: Umupira > Iplagi > Irembo

* Gufunga Ubunyangamugayo: Umupira ≈ Ipfundo > Irembo

* Kugabanuka k'umuvuduko (Bifunguye): Irembo ≈ Umupira (Umuyoboro wuzuye) ≈ Isobekera (Umuyoboro wuzuye) << Umupira/Isobekera (Umuyoboro wagabanutse)

* Uburyo bwo gufata ibintu mu buryo buhamye/Gufata ibintu mu buryo buhamye: Irembo > Igikoresho > Umupira

* Imbaraga z'Ingufu/Torque: Irembo (Umuvuduko Ukomeye) > Igikoresho > Umupira (Muri rusange ni wo muremure cyane)

* Ikiguzi (Muri rusange): Umupira ≈ Irembo > Igikoresho cyo gufunga (Ifite ingano nyinshi/ishingiye ku bikoresho)

Umwanzuro: Uruhare rudasubirwaho rwa Valve ya SDV

Valve yo kuzimya (SDV cyangwa ESDV) ni ikintu kirenze kure indi valve iri mu nzira. Ni igice cy’umutekano cyakozwe neza cyane, cyageragejwe neza, kandi cyemejwe neza, kikaba ari uburinzi bw’ibanze mu buryo bw’ikoranabuhanga muri sisitemu y’ibikoresho by’umutekano. Ubushobozi bwayo bwo gutandukanya vuba kandi mu buryo bwizewe amazi atemba mu gihe abikeneye ni ingenzi mu gukumira ibyago bikomeye mu nganda zishobora gutera ibyago byinshi.

Gusobanukirwa icyo isobanura (Shutdown Valve), imikorere yayo idapfa ishingiye ku bikoresho byabugenewe (spring-return pneumatic/hydraulic), itandukaniro ryayo rigaragara n'ibyuma bigenzura nka MOV, isano ifitanye na BDVs, ingano n'ibice byayo, ikimenyetso cyayo cyihariye cya P&ID, hamwe n'ubwoko butandukanye bwa valve (cyane cyane umupira, irembo, plug) bikoreshwa mu iyubakwa ryayo ni ingenzi ku bahanga, abakoresha, n'inzobere mu by'umutekano.

Guhitamo, gushyiraho, kugerageza no kubungabunga SDVs hakurikijwe amahame mpuzamahanga akomeye (nka IEC 61511, API 6D, API 6A) si igikorwa cyiza gusa; ni ikintu cy'ingenzi gisabwa kugira ngo imikorere irusheho kuba myiza no kurinda abantu, ibimera n'isi. Valve ya SDV ikora nk'umurinzi utuje kandi w'umunyabwenge, witeguye kugira icyo ukora igihe cyose umutekano ukenewe cyane.