Ingbalbulametung yang control component keng fluid delivery system, na atin yang function antimo ing cut-off, adjustment, flow diversion, reverse flow prevention, pressure stabilization, flow diversion o overflow pressure relief. Deng balbula a gagamitan da reng fluid control systems manibat la kareng peka-simpleng cut-off valves angga na kareng miyayaliwang balbula a gagamitan da reng sobrang komplikadung automatic control systems, a maki miyayaliwang uri ampong specifications. Deng balbula malyari lang gamitan para kontrolan ing dagul da reng miyayaliwang uri ning likidu antimo ing angin, danum, singaw, miyayaliwang corrosive media, gabun, laru, liquid metal ampo radioactive media. Deng balbula makadake la kareng cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, duplex steel valves, plastic valves, non-standard custom valves ampo aliwang valve materials agpang keng materyales. Nanu la reng technical requirements a dapat pansinan nung mamayad kang balbula
1. Deng specifications ampo categories ning valve dapat makatupad la kareng requirements da reng pipeline design documents
1.1 Ing modelu ning balbula dapat yang magpakit kareng kailangang bilang ning pambansang pamantayan. nung metung yang enterprise standard, ing relevant description ning model dapat yang ipabalu.
1.2 Ing pressure ning balbula mangailangan yang≥ing pressure ning pipeline. King lalam ning premise na e makaapektu keng presyu, ing working pressure na agyu nang tanggapan ning balbula dapat mas maragul ya kesa keng actual a pressure ning pipeline; nanu mang gilid ning balbula dapat makatagal yang 1.1 besis ing pressure ning balbula nung makasara ya, alang leakage; nung makabuklat ya ing balbula, ing katawan ning balbula dapat makayabut ya keng requirements na dobli ing pressure ning balbula.
1.3 Para kareng pamantayan ning pamaglalang balbula, ing pambansang pamantayan a bilang ning basis dapat yang isulat. nung metung yang pamantayan ning negosyu, deng dokumentu ning negosyu dapat lang makadikit keng kontrata ning pamamili
2. Pilinan me ing materyales ning balbula
2.1 Ing materyales ning balbula, uling deng grey cast iron pipes bagya-bagya lang e rekomendadu, ing materyales ning katawan ning balbula dapat ductile iron ya, at ing grade ampo ing tutuking physical ampo chemical testing data ning casting dapat yang ipabalu.
2.2 Ingbalbulaing stem material dapat gawa ya keng stainless steel valve stem (2CR13), ampo ing maragul a diameter valve dapat ya namang valve stem a maka-embed keng stainless steel.
2.3 Ing nut material yapin ing cast aluminum brass o cast aluminum bronze, at ing kayang katigasan ampo sikanan mas maragul ya kesa keng valve stem
2.4 Ing materyales ning valve stem bushing dapat ala yang mas maragul a katigasan ampo sikanan kesa keng valve stem, ampo e ya dapat magform electrochemical corrosion keng valve stem ampo ing katawan ning balbula keng lalam ning danum.
2.5 Materyal ning sealing surface①Atin yang miyayaliwang uri ningbalbula, miyayaliwang paralan ning pamag-seal ampo materyales a kailangan;②Deng ordinaryung wedge gate valves, ing materyales, paralan ning pamag-ayos, ampo ing paralan ning pamaggiling ning copper ring dapat lang ipaliwanag;③Soft-sealed gate valves, ing rubber lining material ning valve plate Physical, chemical ampo hygienic testing data;④Deng butterfly valves dapat ipabalu da ing materyales ning sealing surface keng valve body ampo ing materyales ning sealing surface keng butterfly plate; ing karelang physical ampo chemical testing data, lalu na ing hygienic requirements, anti-aging performance ampo wear resistance ning goma; Eye rubber ampo EPDM rubber, atbp., bawal ing maghalo reclaimed rubber.
2.6 Valve shaft packing①Uling deng balbula keng pipe network keraklan e la mibuklat ampo misara, ing packing kailangan yang e aktibo kilub ning mapilan a banua, at ing packing e ya tumubu, para manatili ing sealing effect kilub ning makabang panaun;②Ing valve shaft packing dapat yang makayabut keng maralas a pamagbukas ampo pamagsara, ing sealing effect masanting ya;③Uling kareng requirements, ing valve shaft packing e ya dapat palitan kilub ning bie o maigit apulung banua;④nung kailangan yang palitan ing packing, ing valve design dapat yang magkonsidera kareng paralan na malyaring palitan keng kundisyun ning pressure ning danum.
3. Variable speed transmission box
3.1 Ing materyales ning katawan ning kahun ampo reng panlub ampo panlual a anti-corrosion a kailangan makayagpang la keng prinsipyu ning katawan ning balbula. ing
3.2 Ing kahun dapat atin yang sealing measures, at ing kahun agyu nang tanggapan ing pamaglub keng danum a 3 metru kaybat nang me-assemble. ing
3.3 Para keng opening ampo closing limit device keng box, ing adjusting nut dapat atyu ya keng box. ing
3.4 Ing disenyu ning istruktura ning pamaglipat makatuliran ya. Potang makabuklat ya at makasara ya, malyari mung i-drive ing valve shaft para mag-rotate ya at e ya dapat mag-move patas at pababa. ing
3.5 Ing variable speed transmission box ampo ing seal ning valve shaft e la malyaring ikonekta keng metung a leak-free whole. ing
3.6 Ala yang debris ing kahun, at ding gear meshing parts dapat protektan la keng grasa.
4.Balbulaoperating mechanism
4.1 Ing direksyun ning pamagbukas ampo pamagsara ning operasyun ning balbula dapat makasara ya keng relo. ing
4.2 Uling deng balbula keng pipe network maralas lang bubuklat ampo isara manual, ing bilang da reng pamagbukas ampo pamagsara e dapat masyadung dakal, pati na deng maragul a diametru da reng balbula dapat atyu la naman kilub ning 200-600 a pamagbalik. ing
4.3 Para mas madali ing pamagbukas ampo pamagsara ning metung a tau, ing maximum a pamagbukas ampo pamagsara dapat 240m-m lalam ning pressure ning plumber.
4.4 Ing pamagbukas ampo pamagsara ning operasyun ning balbula dapat metung yang square tenon a maki standardized a sukad at makayarap ya keng gabun ban deng tau malyari deng diretsung mag-operate ibat keng gabun. Deng balbula a ating disc e la masanting para kareng underground pipe networks. ing
4.5 Display panel ning valve opening ampo closing degree
①Ing scale line ning opening ampo closing degree ning valve dapat yang i-cast keng gearbox cover o keng shell ning display panel kaybat nang mibayu ing direksyun, makayarap ya ngan keng gabun, ampo ing scale line dapat yang mipinta keng fluorescent powder para akit na ing eye-catching; keng mas masanting a kondisyun, malyari yang gamitan ing stainless steel plate, nung ali makapinta yang steel plate, e ya gamitan ing balat a aluminum para gawan iti;③Ing indicator needle maka-akit ya at maka-fix yang matatag, nung ing pamag-adjust king pamagbukas at pamagsara ustu ya, dapat yang i-lock kareng rivets. ing
4.6 nung ingbalbulamakakutkut yang malalam, at ing distansya pilatan ning operating mechanism ampo ing display panel≥15m ibat keng gabun, dapat atin yang extension rod facility, at dapat maka-ayus yang matatag para deng tau maka-obserba la ampo makapag-operate manibat keng gabun. Buri ng sabyan, ing pamagbukas ampo pamagsara da reng balbula keng pipe network ali ya masanting para keng downhole operations.
5. Balbulapamagsuri king pamagganap
5.1 Nung ing balbula gagawan de keng batch ning metung a specification, ing metung a authoritative a organisasyun dapat yang ipagkalub para gawan ing makatuking performance testing:①Ing pamagbukas ampo pamagsara ning balbula lalam ning kondisyun ning presyur ning obra;②keng lalam ning working pressure condition, ing patuloy a pamagbukas ampo pamagsara na makasiguradung ing valve masipit yang makasara;③Ing pamangilala keng flow resistance coefficient ning valve lalam ning kundisyun ning pipeline water delivery. ing
5.2 Deng makatuking pamagsuri dapat gawan la bayu ya lumual ing balbula keng pabrika:①Nung makabuklat ya ing balbula, ing katawan ning balbula dapat yang makayabut keng internal pressure test a adwang besis keng working pressure ning balbula;②Nung makasara ya ing balbula, deng adwang gilid dapat magdala lang 11 besis ing pressure ning balbula, alang leakage; pero ing metal-sealed butterfly valve, ing leakage value ali ya mas maragul kesa keng relevant requirements
6. Panlub at panlual a anti-kagnasan da reng balbula
6.1 Ing kilub at kilwal ningbalbulaing katawan (kayabe ne ing variable speed transmission box) dapat yang munang shot blast para milako ing balas ampo ing kalawang, ampo pagsikapan ing electrostatically spray ing powdered non-toxic epoxy resin a maki kapal a 0~3mm o maigit pa. Nung masakit yang electrostatically spray ing e makalasun a epoxy resin para kareng sobrang mangaragul a balbula, ing kalupa nang e makalasun a epoxy paint dapat ya namang i-brush at i-spray.
6.2 Ing kilub ning katawan ning balbula ampo reng sablang bage ning balbula kailangan lang anti-corrosion. King metung a banda, e ya kalawang nung mibabad ya king danum, at alang electrochemical corrosion a malyari king pilatan da reng adwang metal; keng aliwang banda, makinis ya ing babo na para mabawas ing resistensya ning danum. ing
6.3 Ing hygienic requirements ning anti-corrosion epoxy resin o pintura keng katawan ning balbula dapat atin yang test report ning katumbas a awtoridad. Ing chemical ampo physical a katangian dapat makatupad ya kareng requirements
7. Pamagbalot at pamagdala kareng balbula
7.1 Deng adwa nang gilid ning balbula dapat makasara la kareng light blocking plates. ing
7.2 Deng medium ampo small caliber valves dapat lang i-bundle kareng straw ropes ampo idala la kareng container.
7.3 Deng maragul a diametru da reng balbula makabalot la naman kareng simpleng gawa keng dutung a frame para aiwasan ing pangasira kabang magtransport
8. Lawen me ing manual ning pabrika ning balbula
8.1 Ing balbula metung yang kasangkapan, at ing tutuking makayagpang a data dapat yang mipabalu keng manual ning pabrika: ing balbula a detalye; Maikabilu; pressure ning obra; pamantayan ning pamaglalang; materyales ning katawan ning balbula; valve stem material; sealing material; valve shaft packing material; valve stem bushing material; Anti-corrosion material; direksyun ning pamagumpisa ning operasyun; rebolusyon; pamagbukas ampo pamagsara torque lalam ning obrang pressure;
8.2 Ing lagyu ningTWS VALVEmanufacturer; ing petsa ning pamaglalang; ing serial number ning pabrika: timbang; ing aperture, bilang da reng butul, ampo ing distansya pilatan da reng butul keng libutad ning makasuglungflangemakasulat la keng diagram; ing control dimensions ning kabilugan a kaba, lapad, ampo katas; epektibung oras ning pamagbukas at pamagsara; valve flow resistance Coefficient; relevant data ning valve ex-factory inspection ampo ing pamag-ingat para keng pamag-install ampo pamag-maintain, atbp.
Oras ning pamagpost: Jan-12-2023
