Stainless Steel Precision Casting/Investing Casting CHINTHU CHIMODZI
Chitsanzo 1
Kufotokozera
◎ Kuchepetsa kunyowa
◎ Mapeto a ulusi: G* NPT, BSPT, BST, DIN259/2999 JIS130202/1302203 tsinde la umboni wolowera mkati
◎ Zinthu: CF8M CF8 CF3M WCB 304 316 1.4408 etc
◎ Pressure rating: 1000PSI WOG / 1.6 ~ 64Mpa
◎ Chogwirizira cha lever
Zofotokozera
Mtundu 1:
DN | 8 | 10 | 15 | 20 | 25 | 32 | 40 | 50 |
RC | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 |
Φd | 5 | 7 | 9.2 | 12.6 | 16 | 20 | 25 | 32 |
L | 39.4 | 43.7 | 57 | 58.5 | 71 | 78 | 82.5 | 100 |
LO | 67 | 67 | 93 | 93 | 101 | 101 | 125 | 125 |
H | 29.9 | 31.5 | 39.37 | 44 | 54 | 59 | 67.5 | 73.5 |
Mtundu 2:
DN | 8 | 10 | 15 | 20 | 25 | 32 | 40 | 50 |
RC | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 |
Φd | 5 | 7 | 9.2 | 12.6 | 16 | 20 | 25 | 32 |
L | 46.5 | 49.5 | 59 | 64 | 75 | 83 | 90.5 | 108 |
LO | 67 | 67 | 93 | 93 | 101 | 101 | 125 | 125 |
H | 29.9 | 31.5 | 39.37 | 44 | 54 | 59 | 67.5 | 73.5 |
Mndandanda wa Zinthu Zofunika | ||||
Ayi. | Chojambula No. | Dzina | Zakuthupi | KTY |
1 | Vl-T | Thupi | CF8M | 1 |
2 | Vl-G | Kapu | CF8M | 1 |
3 | Vl-FG | Tsinde | 316 | 1 |
4 | Vl-Q | Mpira | CF8M | 1 |
5 | Vl-Z | Mpando | PTFE+3%GF | 2 |
6 | Vl-VIF | Gasket | PTFE | 1 |
7 | Vl-ZTD | Washer wothira | PTFE | 1 |
8 | Vl-TL | Kunyamula tsinde | PTFE | 1 |
9 | Zithunzi za JLM | Mtedza | 304 | 1 |
10 | GB93-87 | Makina ochapira masika | 304 | 1 |
11 | GB6172-86 | Mtedza | 304 | 1 |
12 | Vl-XS | Choyimitsa | 304 | 1 |
13 | Vl-BS | Chogwirizira | 304 | 1 |
14 | Vl-BT | Kugwira manja | Mpira | 1 |
Chitsanzo 2
◎Kuchepa kwa bore
◎ Mapeto a ulusi: ANSI B2.1,BS21,D1,1259/2999
◎.Mayeso: API598
◎.Pressure rating:2000PSI
◎.Chipolopolo mayeso:.2000Mpa.
◎.Pressure.test:.0.6~0.8Mpa.
◎.Dimension:.DN8-DN50(1/4"~2")
Mndandanda wa Zinthu Zofunika
Ayi. | Dzina | Zakuthupi |
1 | Thupi | Chitsulo cha Carbon |
2 | Kapu | Chitsulo cha Carbon |
3 | Gasket | PTFE |
4 | Mpira | 316 |
5 | Mpando | PTFE |
6 | Tsinde | 316 |
7 | Washer wothira | PTFE |
8 | Kunyamula tsinde | PTFE |
9 | Gland | 316 |
10 | Mtedza | 304 |
11 | Chogwirizira | 304 |
12 | Kugwira manja | PLASTIC |
Dimension
Kukula | A | Φd | L | H | W | NM | KGS |
DN8 | 20 | 4.5 | 43 | 35 | 73 | 4 | 0.11 |
DN10 | 25 | 7 | 45 | 38 | 73 | 4 | 0.17 |
Chithunzi cha DN15 | 30 | 9 | 62 | 50 | 115 | 6 | 0.33 |
DN20 | 36 | 12.5 | 70 | 58 | 115 | 6 | 0.48 |
DN25 | 41 | 15 | 85.5 | 62 | 129 | 8 | 0.70 |
DN32 | 53 | 20 | 94 | 64 | 129 | 10 | 1.32 |
Chithunzi cha DN40 | 60 | 25 | 101 | 72 | 150 | 14 | 1.89 |
Chithunzi cha DN50 | 70 | 32 | 114 | 80 | 150 | 20 | 2.31 |
Chitsanzo 3
◎ KUBWERA KWAMBIRI
◎ Mapeto opindika: DIN2543 ISO5752 GB12221
◎ Kupanikizika: PN16
◎ Pedi yoyikira ma actuator: tsinde la ISO5211 lolowera mkati
◎ Zinthu: 316 CF8M 1.4408 WCB 304 CF8
◎ Mayeso a Pressure: API598
Ayi. | Chojambula No. | Dzina | Zakuthupi | KTY |
1 | VlFW-T | Thupi | CF8M | 1 |
2 | VlFW-G | Kapu | CF8M | 1 |
3 | VlFW-Q | Mpira | CF8M | 1 |
4 | VlFW-Z | Mpando | PTFE+3%GF | 2 |
5 | VlFW-MF | Gasket | PTFE | 1 |
6 | Zithunzi za VlFW-FG | Tsinde | 304 | 1 |
7 | Chithunzi cha VlFW-BT | Kugwira manja | RUBBER | 1 |
8 | VlFW-BS | Chogwirizira | 304 | 1 |
9 | Chithunzi cha VlFW-LM | Mtedza | 304 | 2 |
10 | Chithunzi cha VIFW-TLT | GLAND | 304 | 1 |
11 | VlFW-TL | Kunyamula tsinde | PTFE | 1 |
12 | VlFW-O | O mphete | Viton | 1 |
13 | VlFW-ZTD | Washer wothira | PTFE | 1 |
14 | VlFW-X | Choyimitsa | 304 | 1 |
Kugwiritsa ntchito
Kukula | Φd | L | H | LO | ΦD | ΦD1 ndi | ΦD2 ndi | 4—M |
1/2 | 15 | 38 | 75 | 125.2 | 95 | 65 | 45 | M12 |
3/4 | 20 | 38 | 80 | 125.2 | 105 | 75 | 58 | M12 |
1 | 25 | 46 | 95 | 136.2 | 115 | 85 | 68 | M12 |
11/4 | 32 | 54 | 101 | 136.2 | 140 | 100 | 78 | M16 |
11/2 | 38 | 63 | 122 | 204.5 | 150 | 110 | 88 | M16 |
2 | 50 | 80 | 121 | 204.5 | 165 | 125 | 102 | M16 |
21/2 | 65 | 100 | 142 | 250 | 185 | 145 | 122 | 4-M16 |
3 | 76 | 118 | 161 | 250 | 200 | 160 | 138 | 4-M16 |
4 | 94 | 152 | 174 | 320 | 220 | 180 | 158 | 8-M16 |
Ntchito: Lumikizani ndi kudula sing'anga;kuteteza kubwerera kwa sing'anga;kusintha kuthamanga ndi kutuluka kwa sing'anga;kulekanitsa, kusakaniza kapena kugawa sing'anga;kuletsa kuthamanga kwapakatikati kuti zisapitirire mtengo womwe watchulidwa ndikuwonetsetsa kuti payipi kapena zida zikuyenda bwino.
Ntchito media: nthunzi, madzi, mafuta;mankhwala njira;
Pali mitundu iwiri yosindikizira ya valve ya mpira: chisindikizo chofewa ndi chosindikizira cholimba;
Njira zitatu zolumikizira: flange;ulusi;kuwotcherera
Kugwiritsa ntchito kutentha: -196 mpaka 350 madigiri
Njira yogwiritsira ntchito: Buku;kupuma mpweya;magetsi;hydraulic
Kusiyana pakati pa valavu imodzi ya mpira, valavu yamagulu awiri ndi valavu yamagulu atatu:
Valavu ya mpira wa screw yokhala ndi ulusi wamkati imagawidwa kukhala valavu imodzi ya mpira, valavu yamagulu awiri ndi valavu yamagulu atatu malinga ndi kapangidwe kake.Kumvetsetsa makhalidwe awo ndi kusiyana kwawo kudzatithandiza kusankha valavu yoyenera ya mpira kuti tigwiritse ntchito.
Choyamba, tiyeni timvetsetse chomwe valavu ya mpira wamtundu umodzi, valavu yamagulu awiri ndi valavu yamagulu atatu mwa kutanthauzira.
Valavu yamtundu umodzi imatanthawuza valavu ya mpira yomwe imalumikizidwa ndi ulusi wamkati waung'ono wamkati ndipo imakhala ndi gawo limodzi la valavu imodzi.Thupi lophatikizana la vavu nthawi zambiri limagwiritsidwa ntchito ngati ma valve ang'onoang'ono.
Valve yamagulu awiri, yomwe imadziwikanso kuti valavu yamagulu awiri, imatanthawuza valavu yomwe imagwirizanitsidwa ndi ulusi wamkati wamkati, thupi la valve limagawidwa m'magawo awiri, ndipo mawonekedwe a buckle amagwiritsidwa ntchito.
Valavu yamagulu atatu imalumikizidwa ndi ulusi wamkati, ndipo thupi la valve lili ndi magawo atatu.Nthawi zambiri amagwiritsidwa ntchito ngati ma valve akuluakulu komanso ofunika kwambiri.
Kusiyana kwawo ndi mikhalidwe zitha kuwunikidwa kuchokera kuzinthu izi:
1. Kusiyanitsa ndi kapangidwe kake
Valavu imodzi ya mpira ndi chidutswa chimodzi, chomwe chimapangidwa ndi mpira, mphete ya PTFE, ndi mtedza wa loko.Kutalika kwa mpira kumakhala kocheperako pang'ono kuposa kukula kwa chitoliro, chofanana ndi valavu yamtundu waukulu.Mafotokozedwe, otaya ndi ochepa.
Valve yamagulu awiri a mpira amapangidwa ndi magawo awiri, ndipo kusindikiza kwake kuli bwino kuposa valavu imodzi ya mpira.M'mimba mwake wa mpirawo ndi wofanana ndi wa payipi, ndipo ndikosavuta kusokoneza kuposa valavu ya mpira umodzi.
Valavu yamagulu atatu imapangidwa ndi magawo atatu, chivundikiro cha valve kumbali zonse ziwiri ndi thupi lapakati.Kusiyanitsa pakati pa valavu yamagulu atatu ndi valavu yamagulu awiri ndi valavu imodzi ya mpira ndikuti ndizosavuta kusokoneza ndi kusunga.Kukaniza kwamphamvu kwambiri.
2. Kusiyanitsa ndi kukakamizidwa
Kukaniza kwa valve yamagulu atatu ndipamwamba kwambiri kuposa ma valve amtundu umodzi ndi awiri.Mbali yakunja ya valavu yayikulu yamagulu atatu imakonzedwa ndi ma bolt anayi, omwe amagwira ntchito yabwino kwambiri yomangirira.Thupi loponyera valavu molondola limatha kufikira kukakamiza kwa 1000psi≈6.9MPa.Kupanikizika kwakukulu kumafuna matupi opangira ma valve.
3. Kusiyanitsa ndi maganizo a zachuma
Chifukwa chakuti chinthu chachikulu cha valavu imodzi ya mpira ndi yocheperapo kusiyana ndi ya mitundu iwiriyi, mtengo wake ndi wabwino, ndipo ndi wofanana ndi valavu ya mpira.Mtengo wa valavu yamagulu awiri a mpira ndi wapamwamba kuposa wa mtundu umodzi.Mtundu wa magawo atatu umapangidwa ndi magawo atatu chifukwa cha kukana kwamphamvu kwambiri.Zakuthupi ndi zapamwamba kuposa mitundu iwiriyo.Mtengo wake ndi wapamwamba kuposa mavavu amitundu iwiri komanso amodzi.