Chumivalve a nichu fluid delivery system-a control component a ni a, chu chuan cut-off, adjustment, flow diversion, reverse flow prevention, pressure stabilization, flow diversion emaw overflow pressure relief tih ang chi hna a nei a ni. Fluid control system-a hman tur valve te hi cut-off valve awlsam ber atanga automatic control system complex tak takah hman thin valve hrang hrang thlengin a awm a, chi hrang hrang leh specification hrang hrang a awm bawk. Valve hmang hian tui chi hrang hrang, boruak, tui, steam, corrosive media hrang hrang, mud, oil, liquid metal leh radioactive media te kal dan control theih a ni. Valve te pawh hi a material angin cast iron valve, cast steel valve, stainless steel valve, chrome molybdenum steel valve, chrome molybdenum vanadium steel valve, duplex steel valve, plastic valve, non-standard custom valve leh valve material dang ah te then a ni bawk. Valve lei dawnin eng technical requirement nge ngaihven tur tih
1. Valve specification leh category hrang hrangte hian pipeline design document-a thil tulte a tlin tur a ni
1.1 Valve model-ah hian national standard-a numbering mamawh te tarlan tur a ni. Enterprise standard a nih chuan model sawifiahna kaihhnawih chu tarlan tur a ni.
1.2 Valve hnathawhna pressure mamawh≥ a nipipeline hnathawhna pressure a ni. A man a nghawng lo tih ngaihdan hnuaiah chuan valve-in a tuar theih working pressure chu pipeline-a working pressure tak tak aiin a tam zawk tur a ni valve sir eng pawh chu a khar value a nih laiin valve hnathawh pressure aiin a let 1.1 zetin a tuar thei tur a ni a, leakage awm lovin; valve hawn a nih chuan valve body hian valve hnathawh pressure aiin a let hnih a mamawh chu a tuar thei tur a ni.
1.3 Valve siamna standard atan chuan basis-a national standard number tarlan tur a ni. Enterprise standard a nih chuan enterprise document te chu purchase contract-ah attached tur a ni
2. Valve siamna tur material chu thlang rawh
2.1 Valve material, gray cast iron pipe hi zawi zawiin hman a tha lo a, chuvangin valve body-a material chu ductile iron a ni ber tur a ni a, casting-a grade leh physical leh chemical testing data tak tak chu tarlan tur a ni.
2.2 Avalve a nistem material chu stainless steel valve stem (2CR13) a siam tur a ni a, a diameter lian tak valve pawh hi stainless steel-a innghat valve stem a ni tur a ni.
2.3 Nut material hi cast aluminum brass emaw cast aluminum bronze emaw a ni a, a khauh leh chakna chu valve stem aiin a sang zawk
2.4 Valve stem bushing-a thil siam hian valve stem aiin a khauhna leh a chakna a nei lo tur a ni a, tuiah thun hnuaiah valve stem leh valve body nen electrochemical corrosion a siam tur a ni lo.
2.5 Sealing surface-a thil awmte1. A niA chi hrang hrang a awm avalve te a awm, sealing hman dan hrang hrang leh material mamawh hrang hrang;2. A niWedge gate valve pangngai, copper ring siam dan, fixing method leh grinding method te sawifiah tur a ni a;3. A niGate valve nem tak, sealed, valve plate-a rubber lining material Physical, chemical leh hygienic testing data;4. A niButterfly valve-te hian valve taksaa sealing surface-a thil awm leh butterfly plate-a sealing surface-a thil awmte a tarlang tur a ni an physical leh chemical testing data, a bik takin faina lama mamawh te, anti-aging performance leh rubber wear resistance te; Eye rubber leh EPDM rubber, etc. te hi reclaimed rubber mix kha khap tlat a ni.
2.6 Valve shaft chhunga thil dahkhawmna1. A niPipe network-a valve-te hi hawn leh khar a nih loh tlangpui avangin, packing chu kum engemaw zat inactive a ngai a, packing chu a upa tawh lo vang, chutiang chuan sealing effect chu rei tak a awm thei ang2. A niValve shaft packing pawh hian hawn leh khar fo pawh a tuar tur a ni , sealing effect a tha;3. A niA chunga thil tulte ngaihtuah hian valve shaft packing hi dam chhung emaw kum sawm aia tam emaw thlak loh tur a ni a;4. A niPacking thlak a ngai a nih chuan valve design-ah chuan tui pressure dinhmun hnuaia thlak theih dan tur ngaihtuah tur a ni.
3. Speed danglam thei transmission box
3.1 Box body material leh chhung lam leh pawn lama anti-corrosion mamawh te chu valve body principle nen a inmil a ni. chumi
3.2 Box hian sealing measures a nei tur a ni a, box chu a inzawm khawm hnu metre 3 vela thui tui column-a thun theih a ni. chumi
3.3 Box-a opening leh closing limit device atan chuan adjusting nut chu box chhungah a awm tur a ni. chumi
3.4 Transmission structure design hi a dik a ni. A hawn leh khar hian valve shaft chu a chung leh hnuai lama kal tir lovin a inher theih nan chauh a khalh thei a ni. chumi
3.5 Variable speed transmission box leh valve shaft seal chu leak awm lohna whole-ah a inzawm thei lo. chumi
3.6 Box chhungah hian bawlhhlawh a awm lo va, gear meshing parts te chu grease hmanga ven tur a ni.
4.Valve a nihnathawh dan tur (operating mechanism) a ni
4.1 Valve hnathawhna kawng hawn leh khar lam chu darkar lam hawia khar tur a ni. chumi
4.2 Pipe network chhunga valve te hi kut hmanga hawn leh khar a nih fo avangin hawn leh khar revolution zat hi a tam lutuk tur a ni lo va, large-diameter valve pawh revolution 200-600 chhunga awm tur a ni. chumi
4.3 Mi pakhatin hawn leh khar hna a thawh awlsam theih nan plumber pressure hnuaiah hawn leh khar torque sang ber chu 240m-m a ni tur a ni.
4.4 Valve hawnna leh khar hnathawhna tawp chu square tenon, standardized dimension nei tur a ni a, lei lam hawi tur a ni a, chutiang chuan miten lei atanga direct-a an thawh theih nan. Disc nei valve hi lei hnuaia pipe network atan a tha lo. chumi
4.5 Valve hawn leh khar degree awmna display panel
1. A niValve hawnna leh khar degree-a scale line chu a kalna tur thlak hnuah gearbox cover-ah emaw, display panel shell-ah emaw dah tur a ni a, lei lam hawi vek tur a ni a, scale line chu mit la thei tur khawpa fluorescent powder hmanga chei tur a ni Condition tha zawkah chuan stainless steel plate hman theih a ni a, chutiang a nih loh chuan painted steel plate a ni a, aluminum vun hmangin siam suh;3. A niIndicator needle hi mit la tak a ni a, nghet takin a nghet a, hawn leh khar dan siamthat a dik tawh chuan rivet hmanga lock tur a ni. chumi
4.6 A nih chuanvalve a nichu thuk takah phum a ni a, operating mechanism leh display panel inkar hlat zawng chu≥ a niLei atanga 15m vela hlaah extension rod facility awm se, miten lei atanga an en theih nan leh an hnathawh theih nan nghet taka dah tur a ni. Chu chu, pipe network chhunga valve hawn leh khar dan hi downhole hnathawhna atan a tha lo tihna a ni.
5. Valve a niperformance testing neih a ni
5.1 Valve chu specification engemaw zat batch-a siam a nih chuan a hnuaia performance testing hi ti turin thuneihna nei pawl hnenah hlan tur a ni:1. A niWorking pressure condition hnuaia valve hawn leh khar torque;2. A niWorking pressure condition hnuaiah chuan valve khar nghet taka khar theihna tur hawn leh khar hun chhunzawm zel te;3. A niPipeline tui pek chhuahna dinhmun hnuaia valve flow resistance coefficient hmuhchhuah. chumi
5.2 Valve hian factory a chhuahsan hmain a hnuaia test te hi tih tur a ni:1. A niValve hawn a nih chuan valve taksa chuan valve hnathawh pressure aiin a let hnih zeta internal pressure test chu a tuar tur a ni a;2. A niValve khar a nih chuan a sir lehlamah chuan valve hnathawh pressure aiin a let 11 in a phur tur a ni , leakage a awm lo; mahse, metal-sealed butterfly valve, a leakage value chu a kaihhnawih mamawh aia tam a ni lo
6. Valve chhung leh pawn lama anti-corrosion
6.1 A chhung leh pawn lamvalve a nibody (variable speed transmission box pawh tel) chu shot blasted hmasa tur a ni a, chu chuan sand leh rust a paih chhuak tur a ni a, electrostatically spray powdered non-toxic epoxy resin thickness 0~3mm emaw a aia tam emaw chu bei tur a ni. Extra-large valve atan non-toxic epoxy resin electrostatically spray a harsat chuan, chutiang bawka non-toxic epoxy paint pawh brush leh spray tur a ni.
6.2 Valve body chhung leh valve plate hmun zawng zawng chu anti-corrosion kim vek tur a ni. Khawthlang lamah chuan tuiah a hnim chuan a rust lo vang a, metal pahnih inkarah hian electrochemical corrosion a awm lo vang; a lehlamah chuan a chunglam chu a hrual a, chu chuan tui a do theihna a tihtlem phah a ni. chumi
6.3 Valve body chhunga anti-corrosion epoxy resin emaw paint emaw faina atana mamawh chuan a kaihhnawih thuneitu test report a nei tur a ni. Chemical leh physical property te pawhin a kaihhnawih thil mamawh a tlin tur a ni
7. Valve packaging leh phurh chhuahna
7.1 Valve sir lehlamah light blocking plate hmanga seal tur a ni. chumi
7.2 Medium leh small caliber valve te chu straw rope hmanga bundle tur a ni a, container-ah phurh tur a ni.
7.3 Valve diameter lian tak takte pawh hi phurh chhuah laiin a chhiat loh nan thing frame retention awlsam tak nen an package bawk
8. Valve factory manual ah enfiah thin ang che
8.1 Valve hi hmanrua a ni a, factory manual-ah hian a hnuaia data kaihhnawih te hi tarlan tur a ni: valve specification; entawn tlak; hnathawhna hmuna nawrna; thil siam chhuah dan tur standard; valve taksa hmanrua; valve stem hmanrua te; sealing hmanrua te; valve shaft-a bungrua dahna tur; valve stem bushing hmanrua te; Anti-corrosion material a ni a; operating tanna tur kawng; revolution hrang hrangte; working pressure hnuaia hawn leh khar torque;
8.2 A hmingTWS VALVE a nithil siamtu; siam ni leh; factory-a serial number: a rit zawng; aperture, hole awm zat, leh connecting-a center hole inkar hlat zawng teflange a nidiagram-ah tarlan a ni a; a sei zawng zawng, a zau zawng leh a san zawng control dimension te; hawn leh khar hun \ha tak; valve luang chhuak thei lo Coefficient; valve ex-factory enfiahna leh dah leh enkawl dan tur fimkhur dan tur data kaihhnawih, etc.
Post hun chhung: Jan-12-2023
