Kos valve mus rau cov dej twj tso kua mis: Review, ntau ntau yam, installation thiab kev yam ntxwv

Yog hais tias koj xav nyob rau hauv cov nqe lus nug ntawm yog dab tsi muab ib tug rov qab valve rau cov dej twj tso kua mis, ces koj yuav tsum paub hais tias qhov no yog ib qho tseem ceeb ib feem ntawm lub cev. Feem ntau cov feem ntau nws yog ntsia tau rau hauv lub piping rau lub zog ntawm chav, kua, los yog roj. Tag nrho cov no yuav tsum tau ua nyob rau hauv tib txoj kev coj. Lub valve yuav tsis tso cai rau cov rov qab tsab ntawv tsa suab ntawm cov kua nyob rau hauv ib lub tsheb uas yog opposite rau tus uas twb muaj ib tug. Qhov chaw no rau tso nyob rau hauv txawv systems yog nqa tawm nyob rau hauv lub rooj plaub uas muaj ob peb yam tseem ceeb uas tsim kuj mus zog ntawm cov kua.

valve Txheej txheem cej luam

Check valve rau ib tug dej twj tso kua mis yog ib lub tog raj kheej uas yog muab nrog ib tug caij nplooj ntoos hlav sab hauv. Nws kuj muaj xws li overlapping yeej phaj. Chiv active caij yog kaw ua tsaug rau lub caij nplooj ntoos hlav. Txawm li cas los, nyob rau hauv tus ntawm lub caij nplooj ntoos hlav dej yog tsis muaj zog txaus, lub valve yog qhib, ua rau nws tau kom dhau lub dej ntws los ntawm. Yog hais tias cov khiav dag zog yuam yog tsis muaj zog txaus vim hais tias ntawm to, nres twj tso kua mis lag luam los yog lwm yam yog vim li cas, lub hau phaj yog kaw, qhov no caij nplooj ntoos hlav ua. Yog hais tias cov dej yog tsis pa, lub valve tsis pub nws mus rau nws tsiv rov qab mus. Cov tshev Valve yog yuav tsum tau nyob rau hauv thiaj li yuav tiv thaiv kom txhob cov dej los ntawm to rov qab mus rau hauv lub zoo los yog lwm qhov chaw ntawm cov dej thaum lub twj tso kua mis lawm lub lag luam. Yog hais tias muaj fais fab tuag los yog kaw cia rau hauv lub twj tso kua mis, nws yuav tsis muaj qhov yuav tsum tau mus sau tag nrho cov system nrog dej dua. Thaum koj xaiv cov khoom no, koj yuav tsum tau paub hais tias nws loj yog qhia nyob rau hauv nti.

valve nta

Xav qhov uas tsis yog-rov qab valve rau cov dej twj tso kua mis, koj yuav tsum paub hais tias cov nws tus yam ntxwv muaj ib tug me me txoj kab uas hla uas tseem hu ua lub lub cheeb ntawm lub orifice. Qhov no xam yog ib tug schematic thiab tsis sib haum mus rau cov zaj kab uas hla ntawm cov yeeb nkab. Nyob rau hauv tas li ntawd, koj yuav tsum nqa mus rau hauv tus account lub phab ntsa thickness ntawm cov yeeb nkab. Qhov luaj li cas ntawm cov kos valve yog hloov nyob rau hauv lub chav 15 mus rau 200 millimeters.

Hom ntawm daim tshev li qub

Kos valve rau ib tug dej twj tso kua mis yuav muaj tej yam ntxwv ntawm ib txoj kev ntawm fastening. Paub qhov txawv cov khoom uas siv rau qhov no feature. Piv txwv li, lawv yuav tsum tau siv rau kev kho los ntawm txoj kev Vuam mus rau lub polypropylene kav los ntawm txoj kev flanges rau cov yeeb nkab system li zoo raws li ntawm ib tug threaded coupling, uas yog hu ua Paj muff. Installation yuav nqa tawm thiab Wafer yam thaum lub valve yog clamped ntawm lub flanges ntawm lub raj dej system.

Tsis zoo li pab kiag li lawm ntawm lub hom

Lub piav ib feem ntawm lub cev muaj peev xwm yuav sawv cev los ntawm ib tug reflux valve los yog rooj vag. Lawv txawv los ntawm txhua lwm yam nyob rau hauv uas lub kos valve muaj ib tug spool li puab phab ntsa, whereas lub shutter yog teem rov qab ncig disc, uas ua hauj lwm pab raws li zatvorki. Nws yuav ua tau ib tug poob siab, uas yuav siv uas tsim nyog txoj kev kaw, nws yog tsis muaj peev xwm sawv ntawm rau lub lag luam ntawm lub system. Qhov no valve tivthaiv yuav ua tau unstressed, nws muab kaw softly txaus. Zatvorki ua los ntawm titanium, bronze, steel, tooj dag, cam khwb cia hlau los yog uas tsis yog-metallic cov ntaub ntawv. Nyob ntawm seb lub hom ntawm tua zatvorki, mus saib li qub yuav tau muab faib mus rau hauv cov neeg muaj ib tug lifting hom, pob, TIG los yog wafer. Yog hais tias nws yog ib daim tshev valve nqa, ces nyob rau hauv tus ntawm dej siab neeg ntawm lub nce, weakening ntawm lub caij nplooj ntoos hlav siab. pob hom li qub khiav lag luam raws li nyob rau hauv lub pob uas kaw lub flow raws li tsim nyog. Tig hom tshev Valve assumes lub xub ntiag ntawm qhov nrov plig plawg. Wafer valve nrov plig plawg los yog disc muaj ib tug ntawm uas tso cai rau dej rov qab mus.

Hom uas tsis yog-rov qab valve

Yog hais tias koj xav ib tug ntau yam ntawm daim tshev li qub rau dej, peb yuav tsum xyuam xim rau cov V 275 DN 15-100. Nws yog tau, ua ntej ntawm tag nrho cov, los tiv thaiv cov dej mov system los ntawm backflow. Qhov siab tshaj plaws pub kub ntawm nws cov hauj lwm yog sib npaug zos rau 250 degrees. Lub hauv paus ntawm lub cev yog dag, pub siab sib npaug rau 16 bar. Nws yog tsim nyog los xav txog thiab xyuas valve V6516 (DN 50-500, PN 10), uas ua nws cov ntsiab hauj lwm thiab yuav tsum muab ntsia nyob rau hauv lub piping system los ntawm kev uas yog thauj tsis tau tsuas yog zoo tib yam dej, tab sis dej phwj rau thiab muaj dej. no yuav siv tau txawm nyob rau hauv ib tug tsawg kawg nkaus kub ntawm 70 degrees, lub pub siab yog 10 bar. Thaum cov tub ntxhais ntawm lub cev yog cam khwb cia hlau. Cov muag khoom yuav pom teb valve "Granlok" uas yog interclass ntaus ntawv. Permissible kub yog 110 degrees, lub siab tshaj plaws siab uas tus valve yog peev xwm ua hauj yog 16 bar. Lub hauv paus ntawm lub cev yog stainless hlau. Tshwj xeeb heev xaiv nqa tshev Valve flanged series RD50 ° F. Nws yog tau los tiv thaiv lub system los ntawm qhov rov qab txaus dej yeeb nkab, nws tau khiav lag luam dua ib tug dav kub ntau, thiab lub siab tshaj plaws tus nqi yog 350 degrees. Lub hauv paus ntawm lub cev yog hlau, lub siab tshaj plaws siab ntawd mas valve, sib npaug rau 40 bar.

Ntsiab nta

Thaum koj twb paub lawm yuav ua li cas ib qho tseem ceeb nws yog siv ib daim tshev valve rau dej, nws yog tsim nyog los xav txog tias yog tsis tsuas yog me me nyob rau hauv loj ntawm cov zoo ntawm wafer pab kiag li lawm, tab sis kuj tsis tshua muaj ceeb thawj. Lawv yuav tsum tau ntsia horizontally, obliquely thiab mas. Rov qab wafer valve nyob rau hauv ntau mob ntsia nrog polypropylene kav. Lawv yuav tsum tau kev txhawb nyob rau hauv cov kev taw qhia ntawm cov dej ntws. Thaum siv ceev xwmphem lub twj tso kua mis nyob rau hauv cov ntaub ntawv ntawm thaum muaj xwm ceev cov dej rauj zaum yuav tshwm sim, uas ua rau yus kev puas tsuaj ntawm cov hydraulic system. Nyob rau hauv cov ntaub ntawv no, cov kws txawj qhia kom siv ib tug npauj npaim valve. Thaum cov dej ntws rushes rov qab flaps tsis pub lub allergic ntawm cov kua, raws li cov additive. Lub lub cheeb ntawm xws li qub yuav txawv los ntawm 50 mus rau 700 millimeters.

Thiab rov qab yam ntxwv ntawm lub pob li qub

Kos valve rau ib tug dej twj tso kua mis, uas yog txaus tau nqi, yuav muaj ib lub cheeb txog li 400 millimeters. Nws yog siv nyob rau hauv cov tshuab qhov twg lub kick zatvorki tsis puas ntxiv hydraulic cev thaum lub twj tso kua mis lawm lub lag luam. Cov hydraulic thiab cua tshuab imposing loj teem unstressed teb li qub. Nws txawv nyob rau hauv hais tias nws tsis yog kus kes txog cov dej muaj kuab paug. Yog hais tias koj nyob nraum xav txog qhov twg thiab yuav ua li cas rau nruab ib daim tshev valve mus rau cov dej, koj siv tau cov pob zoo ntawm cov khoom tau piav. Nws yog feem ntau siv nyob rau hauv cov kav dej. Nws yuav tsum tau ntsia xwb mas, nws yog sensitive rau lub purity ntawm qhov chaw.

Nqa tawm installation

Kos valve rau centrifugal siv tshuab siv lub bypass yog ib yam tseem ceeb. Nrog nws, cov overlapping yog nqa tawm thaum lub sij hawm kua ntws nyob rau hauv ib tug me me voj voog. Txhim kho lub ntaus ntawv yog ua los ntawm cov suction thiab tus me nyuam piping. Qhov rov qab cov yeeb nkab yog them nrog ib tug roj hmab pob valve. Qhov kev ua rog cov kua kis tau los ntawm twj tso kua mis.

nqi ntawm

Kos valve mus rau lub immersion qhov tob ntawm lub twj tso kua mis yuav muaj nyob rau muag rau raws li tsawg li 7 mus rau 12 duas las. Raws li rau lub pob li qub, lawv yog pheej yig dua, rau ib yam khoom yuav tsum tau them tsis tau ntau tshaj $ 7. Nqa li qub yuav raug muas 16-19 dollars. Nrog kev xav txog lig xov qauv, nyob rau hauv khw muag khoom noj lawv yog DVR ntawm ib tug nqi ntawm 10 mus rau 12 duas las. Yog hais tias lub installation yog nqa tus kheej saib valve nyob rau hauv dej, cov kev qhia ntawv ua ntej koj yuav tsum tau kawm. Txawm li cas los, koj thawj zaug yuav tsum paub koj tus kheej nrog rau cov nqi. Nws yuav tsum tau muab sau tseg tias saum toj no tus nqi tau qhia rau tus qauv npaj rau kev siv.

Lawv txawv nyob rau hauv hais tias lawv txoj kab uas hla yog ntau dua tshaj li 1.5 inches. Raws li rau industrial li qub, lawv tus nqi yuav nce los ntawm ob peb lub kaum os lub sij hawm. Tus nqi yuav yog nyob ntawm seb cov ntaub ntawv siv, tus tsim nta thiab qhov ntev ntawm li qub.

xaus

Yog hais tias tsis coj kev kho mob ntawm installation ntawm daim tshev valve, tus tov khoom vim imposing siab dej kub yog ua txhua yam rau lub caij nplooj zeeg mus rau hauv txias coj mus rhaub dej. Ntawm lwm yam, kev co tshwm sim los ntawm cov khiav dej yuav ua rau ib tug ntau intensive counter kev sib hloov, yuav ua pov tseg qhov twg ntxiv lawm.