Juyikevalves umitu gi kadhu kud i temo mi tic matung tung, ma pire tek uloyu utiye temo mi kero. Test mi pressure utiye pi ni neno ka pressure value ma valve copo ciro urombo ku cik mi yubu piny.I TWS,soft seated butterfly valve, umitu jutim test mi tek pa kom ma tek. Peko ma juketho i 1.5 times pa PN jubi ketho i pii ma jubi temo.
Wec ma pire tek:Temo kero；Soft Seated Butterfly Valve; Temo tek pa kom
Pol kare, pima pavalvesumitu ulub cik ma e:
(1) I ayi ma rwinyo,valveepe ku tego pa tego, entovalvekum man bonnet ingey yiku nyokevalvekum man bonnet ku ret mi corrosion umaku jutem pi tego. Pi safety valve, pressure pare ma nja, pressure mi dwoko piny man lembe mukende ma jutimo umaku ulub cik pare man cik ma juketho.
(2) Temo pa tego man rwom pa piny ucikere ni timere mapodivalvejuketho. 20% pa low-pressure valves jutimo igi spot-checked, man 100% migi umaku jukethgi ka gipe ku rwom; 100% pa valves ma tek man ma tek ucikere ni nen.
(3) I saa mi pimo, kabedo mi kethovalveumaku obed i yo ma yot mi ngiyo.
(4) PivalvesI ayi mi welded connections, ka blind plate pressure test copo bedu ngo, conical seal nyo O-ring seal copo tiyo pi pressure test. (5) Wek yamo ma wok kud i valve iwi kare ma ibetimo test mi hydraulic.
(6) Pressure umaku umedire moth moth i saa mi pima, man pressure ma tek man ma wok nyathotho ucikere ngo.
(7) Kare mi pimo kero man pimo kit ma jugwoko kudu ubedo dakika 2-3, man valve ma pire tek man ma pire tek umaku ubed pi dakika 5. Saa mi pimo valve ma diameter ma nok copo bedu ma nok, man sawa mi pimo valve ma diameter madit copo bedu malac. I saa mi penji, ka ipe ku jiji, kare mi penji copo medre. I saa mi pimo tego, lyethu nyo pii ma wok kud ivalvekum man bonnet juyiyu ngo. Temo mi ketho piny timo wang acel kende pi dhanu cekevalves, man wang aryo pi safety valves, high-pressurevalvesman piny mukende ma pire tekvalves. I kare mi temo, pii ma nok juyio pi valve ma pire tek ungo ku pressure ma nok man diameter malac man valve ku cik ma weko pii wok; pi lembe matung tung ma mitere pi valve madongo, valve mi kabedo mi kero, valve mi nam man valve mange, yeny mi leakage umaku obed ma e: Tim nimakere ku cik ma mitire.
(8) Throttle valve epe ku test mi tek pa piny ma cego, ento test mi tego man test mi tek pa packing man gasket umaku jutim. (9) I kare mi pimo kero, tego pa valve juyio kende ni cego ku tego pa ngati acel kende; epe ni tiyo ku jam tic macalo levers (muweko torque wrench). Ka diameter pa handwheel ubedo malac uloyu nyo rom ku 320mm, dhanu aryo juyio gi ni tic karacelu. cego.
(10) Pi valves ku seal ma malu, juwodh packing woko pi temo tek pa piny. I ngei cego ma malu, nen ka pii wok. Ka itiyo ku gas calu pima, nen ku pii i sanduku mi pong. Ka itimo pima pa packing tightness, upper seal juyiyu ngo ni bedu i tight position.
(11) Pi valve moko ci ma ku jam tic mi ringo, ka jube pimo tek pa cinge, jam tic ne umaku jutii kudu pi cego valve man timo pima tek pa cinge. Pi jam tic ma jutiyo kudu ku cing, jubitimo test mi ketho valve ma juketho ku cing de.
(12) I ngei temo tego man temo tek, bypass valve ma juketho iwi valve madit jubi temo pi tego man tek pa valve madit; ka thenge mi cego pa valve madit oyabe, jubi yabe de maber.
(13) I kare mi temo tego pa valve mi cuma, goyo kum valve man umu pa valve ku copper bell pi nineno ka pii wok.
(14) Ka jutemo valve, muweko valve ma juketho ma weko kabedo ma juketho i iye umo, valve mange juyio ngo ni temo kabedo ma juketho i iye moo.
(15) I kare mi pimo tego pa valve, tego pa blind plate iwi valve umaku kud ubed malac akeca, kara kud ebed ku deformation pa valve man ebed ku matoke iwi test effect (ka cast iron valve jutedo matek akeca, ecopo nyothre).
(16) I ngei thum pa pima pa valve, pii ma ucokiri i valve umaku juwodh woko i kare man juyike maleng, man rekod mi pima de umaku jutim.
In TWS Valve, ikum piny mwa madit, soft seated butterfly valve, umitu jutim test mi tego pa kom ma tek. Man piny ma jutiyo kudu pi temo ubedo pii nyo yamu, man lyethu pa piny ma jutiyo kudu pi temo utiye ikind 5°C~40°C.
Man lembe ma lubo eni utiye tek pa shell man tic pa valve.
Lembe ma pire tek utiye ni pima ne bi ketho cinge ikum leak tightness pa shell man tic pa mechanism ma juketho ikum pressure ma iye.
I saa mi timo lembe mi pimo, umitu wanen nia pii mi pimo bibedo pii.
Man disc pa valve ucikere ni bedu kama oyabere nyanok. Thenge pa valve ucikere ni bedu ma ungwel man kabedo ceke ucikere ni pong ku pii mi pimo. Peko ma juketho i 1.5 times pa PN jubi ketho i pii ma jubi temo.
Saa mi kyewo: Apr-23-2023
