Say gate valve et sakey a mas kaslakan a balbula, malaknab ya uusaren, manunan uusaren ed panagpreserba na danum, metalurhiya tan arum niran industriya, say malaknab a sakop na performance to so binidbir na merkado, say TWS ed kalidad tan teknikal a superbisyon tan panagsukimat a kimey ed loob na dakel a taon, nilikud ed pakadetekta ed saray gate valve et walaan na pigaran research, balet ta ontan met ed pangusar na gate valves, saray problema tan arum niran mas maalwar ya aspekto na maalwar ya panagsukimat.
Base ed nanduruman kurti na gate valves, saray gate valve et nayarin naapag ed duaran kategorya: wedge type tan parallel type.
Say gate plate na wedge gate valve et singa wedge, tan say sealing surface to et akaarap ed sentro na channel, tan say wedge ed baetan na gate plate tan say valve seat et uusaren pian nasumpal so sealing (pansara). Say wedge plate et nayarin saksakey a puerta odino duaran puerta.
Saray sealing surfaces na parallel gate valve et parallel ed balang sakey tan perpendicular ed sentro na linya na channel, ya naapag ed duaran klase: walay tan anggapoy opening mechanism. Walay doble a karnero ya walay mekanismo na panag-bracing, no onleksab so ram, say wedge na duaran manparalan ram et ipapasen ed valve seat na inclined plane, say flow channel et naputer, no ontatdang tan onlukas so ram, say wedge et nisian ed ram mating surface, say ram et ontatdang ed sakey a katagey, tan say wedge et bembenan na boss ed ram. No say ram et onloob ed yurongan na balbula diad duaran manparaan a tapew na yurongan na balbula, say presyon na pluido so nausar pian i-press so ram ed laman na balbula diad outlet side na balbula pian naseal so pluido.
Base ed nanduruman galaw na valve stem no nalukasan tan nasara so gate, saray gate valve et naapag ed duaran kategorya: saray rising stem gate valves tan saray concealed stem gate valves. Say valve stem tan gate na rising stem gate valve et ontatagey tan onleleksab ed parehon oras no manlulukas o mansara; no say akaamot a stem gate valve et nalukasan o nasara, say valve stem et onliliber labat, tan ag nanengneng so itagey tan ipelag na valve stem, tan say valve plate et ontagey o onleksab. Say bentaha na rising stem gate valve et say katagey na channel opening et nayarin husgaan base ed rising height na valve stem, balet say occupied height et nayarin paabebaen. No akaarap ed handwheel o handle, ibalikas so handwheel o handle ya paarap ed relo pian nasara so balbula.
2. Saray okasyon tan prinsipyo na panagpili parad saray balbula na gate
01. Flat gate valve
Saray okasyon parad flat gate valves:
(1) Saray tubo na langis tan natural gas. Saray flat gate valve ya walay diversion holes da et kombeniente met parad panaglinis na saray tubo.
(2) Saray tubo tan kagawaan ed panagsimpenan na pinon larak.
(3) Saray panlalapuan na langis tan natural gas.
(4) Saray tubo ya walay akabitin ya partikulo na media.
(5) Saray tubo na transmisyon na gas ed syudad.
(6) Saray proyekto ed suplay na danum.
Prinsipyo na pampili na flat gate valve:
(1) Parad saray tubo na oil tan natural gas transmission, saray plate gate valve ya walay sakey odino duaran gate so napili. No kaukolan mon linisan so tubo, manpili kay open-rod flat gate valve ya walay sakey a ram tan diversion hole.
(2) Parad tubo na transportasyon tan kagawaan ed panagsimpenan na pinon larak, say flat gate valve ya walay single odino double gate ya anggapoy diversion hole so napili.
(3) Parad exploitation port device na oil tan natural gas, say flat gate valve ya walay single o double gate plate ya walay dark rod floating valve seat tan diversion hole so pinili.
(4) Parad saray tubo ya walay akabitin ya particle media, saray balbula ya singa kutsilyo so napili.
(5) Parad saray urban gas transmission pipelines, say pilien et single gate odino double gate plate soft sealing open rod flat gate valve.
(6) Parad saray proyekto na suplay na danum, say pilien et single gate odino double gate valve ya anggapoy diversion hole open rod flat gate valve.
02. Wedge gate valve
Saray okasyon na pangiyaplika na wedge gate valve: diad nanduruman klase na balbula, say gate valve so sankalaknaban ya uusaren, kaslakan et matukoy labat parad full open o full closed, ag nayarin usaren parad adjustment tan throttling.
Saray wedge gate valve et kaslakan ya uusaren ed saray pasen ya anggapoy istrikton kakaukolanen ed paway na sukat na balbula, tan mas mairap so kondisyon na pangusar. Singa bilang, say pantratrabahoan ya atagey so temperatura tan atagey a presyon et mankaukolan na saray pansara ya parte ya naseal ed andukey a panaon.
Diad inkalapagan, say pangusar na atagey a presyon, atagey a presyon a cut-off (baleg a pandumaan na presyon), abeban presyon a cut-off (melag a pandumaan na presyon), abeban ungol, cavitation tan vaporization, atagey a temperaturan medium, abeban temperatura (cryogen), wedge gate valve so nirekomenda. Singa bilang, saya so malaknab ya uusaren ed industriya na kuryente, panagtunaw na petrolyo, industriya na petrokemikal, langis ed gilig na dayat, inhenyeriya na danum ed gripo tan inhinyeriya na panaglinis na imburnal ed panagpaalagey ed syudad, tan industriya na kemikal.
Prinsipyo na panagpili:
(1) Saray kakaukolanen parad saray katangian na pluido na balbula. Saray gate valve et pinili parad saray kondisyon na pantratrabaho ya walay melag ya resistensya ed agos, mabiskeg ya kapasidad na agos, maong ya katangian na agos tan malet iran kakaukolanen ed panagselyo.
(2) Atagey so temperatura tan atagey so presyon na medium. Singa say atagey a presyon na singaw, atagey a petang tan atagey a presyon na larak.
(3) Abeban temperatura (cryogen) ya medium. Singa say liquid ammonia, liquid hydrogen, liquid oxygen tan arum niran media.
(4) Abeban presyon tan baleg so diametro. Singa saray proyekto na danum ed gripo, proyekto na panaglinis na dutak.
(5) Saray tubo na transmisyon na gas ed syudad.
(6) Saray proyekto ed suplay na danum.
Say prinsipyo na pampili na flat gate valve:
(1) Parad saray tubo na oil tan natural gas transmission, saray plate gate valve ya walay sakey odino duaran gate so napili. No kaukolan mon linisan so tubo, manpili kay open-rod flat gate valve ya walay sakey a ram tan diversion hole.
(2) Parad tubo na transportasyon tan kagawaan ed panagsimpenan na pinon larak, say flat gate valve ya walay single odino double gate ya anggapoy diversion hole so napili.
(3) Parad exploitation port device na oil tan natural gas, say flat gate valve ya walay single o double gate plate ya walay dark rod floating valve seat tan diversion hole so pinili.
(4) Parad saray tubo ya walay akabitin ya particle media, saray balbula ya singa kutsilyo so napili.
(5) Parad saray urban gas transmission pipelines, say pilien et single gate odino double gate plate soft sealing open rod flat gate valve.
(6) Parad saray proyekto na suplay na danum, say pilien et single gate odino double gate valve ya anggapoy diversion hole open rod flat gate valve.
02. Wedge gate valve
Saray okasyon na pangiyaplika na wedge gate valve: diad nanduruman klase na balbula, say gate valve so sankalaknaban ya uusaren, kaslakan et matukoy labat parad full open o full closed, ag nayarin usaren parad adjustment tan throttling.
Saray wedge gate valve et kaslakan ya uusaren ed saray pasen ya anggapoy istrikton kakaukolanen ed paway na sukat na balbula, tan mas mairap so kondisyon na pangusar. Singa bilang, say pantratrabahoan ya atagey so temperatura tan atagey a presyon et mankaukolan na saray pansara ya parte ya naseal ed andukey a panaon.
Diad inkalapagan, say pangusar na atagey a presyon, atagey a presyon a cut-off (baleg a pandumaan na presyon), abeban presyon a cut-off (melag a pandumaan na presyon), abeban ungol, cavitation tan vaporization, atagey a temperaturan medium, abeban temperatura (cryogen), wedge gate valve so nirekomenda. Singa bilang, saya so malaknab ya uusaren ed industriya na kuryente, panagtunaw na petrolyo, industriya na petrokemikal, langis ed gilig na dayat, inhenyeriya na danum ed gripo tan inhinyeriya na panaglinis na imburnal ed panagpaalagey ed syudad, tan industriya na kemikal.
Prinsipyo na panagpili:
(1) Saray kakaukolanen parad saray katangian na pluido na balbula. Saray gate valve et pinili parad saray kondisyon na pantratrabaho ya walay melag ya resistensya ed agos, mabiskeg ya kapasidad na agos, maong ya katangian na agos tan malet iran kakaukolanen ed panagselyo.
(2) Atagey so temperatura tan atagey so presyon na medium. Singa say atagey a presyon na singaw, atagey a petang tan atagey a presyon na larak.
(3) Abeban temperatura (cryogen) ya medium. Singa say liquid ammonia, liquid hydrogen, liquid oxygen tan arum niran media.
(4) Abeban presyon tan baleg so diametro. Singa saray proyekto na danum ed gripo, proyekto na panaglinis na dutak.
(5) Pasen na pangipaalagey: no limitado so katagey na pangipaalagey, say dark rod wedge gate valve so pilien; No aliwan limitado so katagey, say open rod wedge gate valve so pilien.
(6) No nalukasan odino nasaraan lan maong, tan agla nayarin usaren parad panag-adjust tan panag-throttle, nayarin pilien so wedge gate valve.
3. Kaslakan iran depekto tan panmintina
01. Kaslakan ya depekto tan sengegan na gate valves
Kayari na pangusar ed gate valve, saray onggendan a problema so mabetbet a nagagawa lapud pegley a temperatura, presyon, corrosion tan say relatibon galaw na kada kontak.
(1) Leakage: Walay duaran klase, salanti, external leakage tan internal leakage. Say itagas ed paway na balbula et tatawagen ya itagas, tan say itagas et kaslakan ed saray stuffing box tan flange connections.
Say rason na inka-leak na stuffing box: say klase o kalidad na packing et ag makaabot ed saray kakaukolanen; Say itatatken na packing odino stem wear; Malukas ya packing gland Abrasion ed tapew na sanga.
Say rason na inka-leak na koneksyon na flange: say materyal o kabaleg na gasket et ag makaabot ed saray kakaukolanen; Makapuy so kalidad na panagproseso na flange sealing surface; agsuston pangipeket ed saray mankokonektaan a bolt; Say tubo et aliwan susto so inka-configure to, kanian dakel so karga ed saray joint.
Sengegan na internal leakage na balbula: Say leakage ya sengegan na malukak ya inkasara na balbula et sakey ya internal leakage, ya sengegan na inkaderal na sealing surface na balbula odino say malukak ya lamot na sealing ring.
(1) Say corrosion et mabetbet ya pansengegan na corrosion na sealing surface na valve body, valve cover, valve stem tan flange. Say corrosion et manunan lapud kiwas na medium, balet ta lapud epekto met na pangibulos na saray ion manlapud filler tan gasket.
(2) Abrasion: lokal a panagsipilyo odino panag-peeling ed tapew ya nagagawa no say ram tan say yurongan na balbula et walad relatibon galaw diad silong na sakey a pihon espisipikon presyon.
02. Panmintina edsaray balbula na gate
(1) Panangapiger ed paway na balbula
No i-press so packing, say gland bolt et nepeg ya simetriko so pangi-apply pian ag-onkiling so gland tan walay gap parad compression. Diad parehon panaon na pangipindot ed packing, say valve stem et nepeg ya i-rotate pian magmaliw ya parepareho so packing ed kaliberliber na valve stem, tan ag-onkulang so pressure, pian ag naapektoan so rotation na valve stem, ondarakel so wear na packing, tan napalemew so service life to. Say tapew na valve stem et makapal, kanian mainomay ya onleak so medium, tan nepeg ya iproseso pian naekal iray peklat ed tapew na valve stem antis ya usaren.
Parad itatagey na koneksyon na flange, no aderal so gasket, nepeg ya salatan; No say materyal na gasket et ag-apili na susto, say materyal ya makasumpal ed saray kakaukolanen ed pangusar so nepeg ya pilien; No makapuy so kalidad na panagproseso na flange sealing surface, kaukolan ya ekalen so flange sealing surface tan iproseso lamet anggad nakualipika.
Niarum ni, say suston pangipitpit ed saray flange bolts, suston pangiparaan na saray tubo, tan say pangipaliis ed alablabas iran karga ed koneksion na flange et makatulong pian ag-onleak so flange joint.
(2) Panangapiger ed onlelereg ed loob na balbula
Say pangapiger ed saray internal leaks et pian naekal so pakaderal na sealing surface tan say malukak ya sealing ed lamot (no say sealing ring et ipepeket ed valve plate odino seat ya walay sinulid). No say sealing surface et direktan iproseso ed valve body tan valve plate, anggapoy problema ed malukak ya lamot tan leakage.
No say sealing surface et aderal a maong, tan say sealing surface et naporma na sealing ring, nepeg ya ekalen so daan ya singsing tan nepeg ya iparaan so balon sealing ring; No say sealing surface et direktan makina ed laman na balbula, say aderal ya sealing surface et nepeg ya ekalen nin unona, insan say balon sealing ring odino say machined surface et nepeg ya gilingan pian magmaliw ya balon sealing surface. No saray gasgas, bukol, dutak, ulpo tan arum niran depekto ed tapew na sealing et kulang ed 0.05mm, nayarin naekal iratan diad panamegley na panaggiling.
No say seal ring et akapeket tan akapeket, say PTFE tape odino amputin makapal a pintura et nayarin iiyan ed leksab na valve seat odino seal ring groove, insan ipeket ed seal pian napano so lamot na seal ring; No say seal et walay sinulid to, nepeg ya iyan so PTFE tape odino amputin pintura ed baetan na saray sinulid pian ag-onlelereg so pluido ed baetan na saray sinulid.
(3) Panangapiger edbalbulapanag-apag
Diad inkalapagan, say laman na balbula tan bonnet et parepareho so inka-corrode to, bangta say valve stem et mabetbet ya walay abot to. No mangaapiger, nepeg ya ekalen nin unona iray produkto na corrosion, tan say valve stem ya walay pitting pits to et nepeg ya iproseso ed lathe pian naekal so depression, tan say packing ya walay slow-release agent so nepeg ya usaren imbes, odino say packing et nepeg ya linisan na distilled water pian naekal iray ions ya walay corrosive effect to ed valve stem ed packing.
(4) Panangapiger na abrasion ed tapew na seal
Diad pangusar nabalbula, say sealing surface et nepeg ya ag-onkupas anggad posible, tan say torque et nepeg ya aliwan baleg no akasara so balbula. No say tapew na seal et makapal, nayarin ekalen itan panamegley na panaggiling.
Komapat, say pakaamta ed saray balbula na gate
Diad kaplesan ya kaliberliber na merkado tan pankaukolan na saray manguusar, saray balbula na bakal ya gate so walaan na baleg a kabiangan. Bilang sakey ya inspektor na kalidad na produkto, nilikud ed pakaamta ed panag-inspeksion na kalidad na produkto, nepeg met ya walaan itayo na maong a pakatalos ed mismon produkto.
01. Say basiyan na panagsubok ed saray balbula na bakal
Say panubok ed iron gate valve et nibase ed nasyonal ya estandarte ya GB/T12232-2005 ya "General Valve Flange Connection Iron Gate Valve".
02. Saray inspeksyon ed saray balbula na bakal
Manunan kaiba so: marka, melag a kapal na padir, pressure test, shell test, tan arum nira, ya say kapal na padir, pressure, shell test et sakey a nakaukolan ya inspeksion ya item, balet sakey met ya manunan item, no wala ray ag-ontutumbok ya items, et nayarin direktan husgaan bilang ag-kwalipikadon produkto.
Diad antikey, say inspeksion ed kalidad na produkto et sakey ya importantin kabiangan na interon inspeksion na produkto, say kaimportantian to et mapatnag ed inkasikatayo, bilang sakey a front-line inspection staff, nepeg tayon itultuloy ya pabiskegen so dilin kalidad da, aliwan pian nagawaan so maong a trabaho ed inspeksion na produkto, noagta pian nawalaan met na pakatalos ed inspeksion na saray produkto, pian mas nagawaan so maong a trabaho ed inspeksion.
Tianjin Tanggu Water-Seal Valve Co.,ltdmanunan mamapawala na malet ya akayurongbalbula na kulibangbang,gate valve,Y-strainer, balancing valve, check valve, balancing valve, back flow preventer tan arum nira.
Oras na pangi-post: Disyembre 26-2024
