A stopcock a nivalve hi [1] straight-through valve a ni a, a inhawng leh khar nghal vat a, screw seal surface inkar a inhernain wiping effect a neih avangin leh a hawn kim vek chuan flowing medium nena inhnaih lohna tura venhimna famkim a neih avangin suspended particle nei media tan pawh hman a ni tlangpui bawk. Thil pawimawh dang chu multi-channel construction-a insiamrem a awlsam a, chutiang chuan valve pakhat chuan flow channel hrang hrang pahnih, pathum, pali pawh a hmu thei a ni. Hei hian piping system design a ti awlsam a, valve hman zat a tihtlem bakah hmanruaa connection mamawh thenkhat a tihtlem bawk.
A hnathawh dan Valves withstopcock a nibody-te chu through-hole neiin hawnna leh kharna hmun atan an hmang. Plug body chu [2] stem nen a inher a, opening leh closing action a nei thei a ni. A te tak te, unpacked, plug valve hi “cocker” tia hriat a ni bawk. Plug valve plug body hi a tam zawk chu cone a ni (cylindrical body pawh a awm bawk), chu chu valve body conical orifice surface nen matched in sealing pair siam a ni. Plug valve hi valve hman hmasak ber a ni a, a structure a awlsam a, a hawn leh khar rang a, fluid resistance a hniam bawk. Plug valve pangngai hian seal turin metal plug body siam zawh tawh leh valve body inkar direct contact-ah an innghat a, chuvangin sealing a tha lo va, a hawn leh khar theihna force a lian a, a hak awlsam a, a tlangpuiin pressure hniam (megapascal 1 aia sang lo) leh diameter tenau (100 mm aia tlem)-ah chauh hman theih a ni.
Classify rawh
Structural form ang chuan chi li-ah then theih a ni a, chungte chu tight plug valve, self-sealing plug valve, plug valve leh oil-injected plug valve te an ni. Channel form ang chuan chi thum-ah then theih a ni a, straight-through plug valve, three-way stopcock valve leh four-way plug valve te an ni. Tube plug valve pawh a awm bawk.
Plug valve hi hman dan hrang hrangah then a ni a, chungte chu: soft seal plug valve, oil-lubricated hard seal plug valve, poppet plug valve, three-way leh four-way plug valve te a ni.
A thatna te
1. Plug valve hi hman fo nan hman a ni a, a hawn leh khar pawh a rang a, a rit bawk.
2. Plug valve a fluid resistance a tlem hle.
3. Plug valve hi a structure awlsam tak a ni a, a lian lo hle a, a rit lo hle a, enkawl pawh a awlsam hle.
4. Sealing performance tha tak a nei.
5. Installation lam hawi a ni lo va, medium flow direction pawh duh duhin a awm thei bawk.
6. Vibration awm lo, ri hniam.
Soft-seal gate valve te a awm bawk
Soft seal gate valve, industrial valve, soft seal gate valve hawn leh khar part te hi ram a ni a, ram kalna lam chu fluid kalna lam nen perpendicular a ni a, gate valve chu a inhawng kim thei chauh a, a khar thei a, a insiamrem thei lo va, a throttle theih loh bawk. Ram hian sealing surface pahnih a nei a, hman tlanglawn ber mode gate valve sealing surface pahnih hian wedge a siam a, wedge angle hi valve parameters a zirin a danglam a, nominal diameter chu DN50~DN1200 a ni a, a operating temperature: ≤200°C.
Product principle chu a ni
A gate plate chu a wedge akawngkhar valve chu a pum puiah siam theih a ni a, chu chu rigid gate an ti a; A siam chhuah theihna tur leh processing process-a sealing surface angle deviation siam that nan deformation tlemte siam thei ram siam theih a ni bawk a, chu chu elastic ram an ti a ni.
Seal nem tak a nigate valve te a awm bawkchi hnih ah then an ni: open rodsoft seal gate valve a nileh dark rod soft seal te a awm bawkgate valve a ni. A tlangpuiin lifting rod-ah hian trapezoidal thread a awm a, chu chuan ram lai takah nut leh valve body-a guide groove hmangin rotary motion chu linear motion-ah a thlak a, chu chu operating torque chu operating thrust-ah a lut tihna a ni. Valve hawn a nih chuan ram lift san zawng chu valve diameter aiin a let 1:1 a nih chuan fluid luang chu a tikhawlo lo vek a, mahse hnathawh laiin he dinhmun hi enkawl theih a ni lo. A hman tak takah chuan a zung vertex, chu chu hawn theih lohna hmun, a inhawng kimna hmun anga chhinchhiah a ni. Temperature inthlak danglam vanga lock-up account tur chuan apex position-ah hawn a ni tlangpui a, chutah chuan fully open valve position angin 1/2-1 turn back back a ni. Chuvangin, Valve fully open position chu ram awmna hmun (chu chu stroke) atanga teh a ni. Hetiang valve hi a tlangpuiin pipeline chhungah horizontal-a dah tur a ni.
Thil mamawh tlangpui
1. A specification leh category hrang hrangtesoft seal gate valve te a awm bawkpipeline design document-a thil tulte a tlin tur a ni.
2. Soft seal gate valve model-ah chuan a angin national standard number mamawh te a tarlang tur a ni. Enterprise standard a nih chuan model sawifiahna kaihhnawih chu tarlan tur a ni.
3. Hnathawh pressure a awmsoft seal gate valve a ni≥ pipeline-a working pressure a mamawh a, a man nghawng lovin, valve-in a tuar theih working pressure chu pipeline-a working pressure tak tak aiin a tam zawk tur a ni a, soft seal gate valve sir eng pawhah chuan leakage awm lovin valve working pressure value aiin a let 1.1-in a tuar thei tur a ni
4. A siam dan tur standard ofsoft seal gate valve a nichuta innghat national standard number a tarlang tur a ni a, enterprise standard a nih chuan enterprise document chu procurement contract-ah attached tur a ni.
Pahnihnaah chuan, soft seal gate valve material a ni
1. Valve body-a thil awm tur chu cast iron, cast steel, stainless steel, 316L a ni tur a ni a, cast iron-a grade leh physical leh chemical test data tak tak chu tarlan tur a ni.
2. Stem material chuan stainless steel stem (2CR13) a tum tur a ni a, diameter lian tak valve pawh stainless steel inlaid stem a ni tur a ni.
3. Nut hi cast aluminum brass emaw cast aluminum bronze emaw a siam a ni a, a khauhna leh a chakna chu valve stem aiin a nasa zawk.
4. Stem bushing material khauhna leh chakna chu valve stem aiin a tam tur a ni lo va, tuiah inhnim pilna dinhmunah chuan valve stem leh valve body-ah electrochemical corrosion a awm tur a ni lo.
5. Sealing surface-a thil awmte
(1) Soft seal chi hrang hranggate valve a nis hi a danglam a, sealing method leh material mamawh pawh a inang lo;
(2) Wedge gate valve pangngai tan chuan copper ring material, fixing method leh grinding method te sawifiah tur a ni a;
(3) Soft seal gate valve leh valve plate lining material-a physicochemical leh hygienic testing data;
6. Valve shaft chhunga thil dahkhawmna
(1) A chhan chu soft sealgate valve a niin the pipe network hi a tlangpuiin hawn leh khar a ni lo va, packing chu kum engemaw zat inactive a ngai a, packing chu a upa lo va, sealing effect chu rei tak a awm reng a
(2) Valve packing pawh hawn leh khar fo a nih chuan a awm reng tur a ni;
(3) A chunga thil tulte ngaihtuah hian valve shaft packing chu dam chhung emaw kum sawm aia tam emaw thlak loh a tum a;
(4) Packing thlak a ngai a nih chuan pneumatic valve design-ah chuan tui pressure dinhmun hnuaia thlak theih dan tur ruahmannate ngaihtuah tur a ni.
Pathumnaah chuan soft seal hnathawh dan (operating mechanism) a nigate valve a ni
3.1 Soft seal gate valve hnathawh laiin a hawn leh khar lam chu darkar lam hawia khar tur a ni.
3.2 Pipe network chhunga pneumatic valve hi kut hmanga hawn leh khar a nih fo avangin hawn leh khar revolution zat hi a tam lutuk tur a ni lo, chu chu large-diameter valve pawh revolution 200-600 chhunga awm tur a ni.
3.3 Mi pakhat tan hawn leh khar hnathawh awlsam zawk nan pipeline pressure dinhmun hnuaiah hawn leh khar torque sang ber chu 240N-m a ni tur a ni.
3.4 Soft seal gate valve hawnna leh khar hnathawhna tawp chu square tenon a ni tur a ni a, a lian zawng pawh standardized tur a ni a, lei lam hawi tur a ni a, chutiang chuan miten lei atanga direct-a an thawk thei ang. Disc disc nei valve hi lei hnuaia network-a hman atan a tha lo.
3.5 display panel a hawn leh khar degree a soft sealgate valve a ni
(1) Soft seal gate valve hawnna leh khar degree-a scale mark chu gearbox cover-ah emaw, display disc shell-ah emaw dah tur a ni a, a zawng zawng chu lei lam hawi vek tur a ni a, scale mark chu mit la thei tur angin phosphor-in brush tur a ni
(2) Indicator disc needle-a thil siam chu enkawlna tha tak hnuaiah stainless steel plate a siam theih a ni a, chutiang a nih loh chuan painted steel plate a ni a, aluminum vun a siam tur a ni lo
(3) Indicator disc needle hi mit la tak a ni a, nghet takin a nghet a, vawi khat hawn leh khar dan siamthat a nih chuan rivet hmanga lock tur a ni.
3.6 Soft seal gate valve chu thuk taka phum a nih chuan, operating mechanism leh display panel leh lei inkar hlat zawng chu ≥1.5m a nih chuan extension rod facility dah tur a ni a, 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 lei hnuaia hnathawhna atan a tha lo tihna a ni.
Palinaah chuan soft seal performance test a nigate valve a ni
4.1 Valve chu specification engemaw zat batch-a siam a nih chuan a hnuaia performance test turin thuneihna nei pawl hnenah dah tur a ni:
(1) Working pressure dinhmun hnuaia valve hawn leh khar torque;
(2) Hnathawh pressure condition hnuaiah chuan a hawn leh khar hun chhung chhunzawm zel a tichiang thei a nivalve a nikhar nghet taka khar tur;
(3) Pipeline tui phurh chhuahna dinhmun hnuaia valve flow resistance coefficient hriatchhuah.
4.2 Avalve a nifactory atanga chhuah hmain a hnuaia mi ang hian test tur a ni:
(1) Valve hawn a nih chuan valve taksa chuan internal pressure test chu valve working pressure value aiin a let hnih zetin a tuar tur a ni a;
(2) Valve khar a nih chuan a sir lehlamah chuan valve working pressure value aiin a let 1.1 zetin a phur a, leakage a awm lo va, mahse metal-sealed butterfly valve leakage value chu a kaihhnawih mamawh aia tam a ni lo.
Panganaah chuan soft seal gate valve chhung leh pawn lama anti-corrosion a awm
5.1 Valve body chhung leh pawnah (variable speed transmission box pawh tel), a hmasa berah chuan shot blasting, sand removal leh rust removal te tih tur a ni a, powdered non-toxic epoxy resin chu electrostatically spray hmanga spray tur a ni a, a thuk zawng chu 0.3mm aia tam a ni tur a ni. Valve lian zawka non-toxic epoxy resin electrostatically spray a harsat chuan, chutiang bawka non-toxic epoxy paint pawh brush leh spray tur a ni.
5.2 Valve body chhung leh valve plate hmun zawng zawng hi anti-corrosion kim vek tur a ni a, kawng khatah chuan tuiah a hnim chuan a rust lo ang a, metal pahnih inkarah electrochemical corrosion a awm lo vang Pahnihnaah chuan a chunglam chu a hrual a, chuvang chuan tui laka invenna a tlahniam a ni.
5.3 Valve body-a anti-corrosion atana epoxy resin emaw paint emaw hygienic requirements chuan a kaihhnawih thuneitu hnen atangin test report a nei tur a ni. Chemical leh physical property te pawhin a kaihhnawih thil mamawh a tlin tur a ni.
Post hun chhung: Nov-09-2024
