
BS 1868 iBritish Standard inotsanangura zvinodiwa zvemavharuvhu esimbi kana mavharuvhu asingadzore ane zvigaro zvesimbi zvinoshandiswa mumaindasitiri akadai sepetroleum, petrochemical, uye maindasitiri akabatana. Iyi standard inovhara zviyero, kuyera kwekupisa kwemhepo, zvinhu, uye zvinodiwa zvekuyedza mavharuvhu ekuongorora swing. Muchirevo chevharuvhu yekutarisa swing yakagadzirwa zvinoenderana neBS 1868, inogadzirwa kuti isangane nematanho chaiwo ehukuru uye mashandiro akatsanangurwa muchiyero. Izvi zvinoita kuti vharuvhu ikwanise kudzivirira kudzokera shure uye inosangana nezvinodiwa zvekuchengetedza uye zvemhando yepamusoro pakushandiswa kwayo. Zvimwe zvezvinhu zvakakosha zvevharuvhu yekutarisa swing yakagadzirwa zvinoenderana neBS 1868 zvinogona kusanganisira chifukidziro chine bholiti, mhete dzechigaro dzinogadziriswazve, uye dhisiki remhando ye swing. Mavharuvhu aya anowanzo shandiswa mumashandisirwo ane kumanikidzwa kwakanyanya uye tembiricha yepamusoro apo kudzivirira kudzokera shure kwakakosha. Kana uine mibvunzo chaiyo nezvevharuvhu yekutarisa swing yakagadzirwa zvinoenderana neBS 1868 standards kana uchida rumwe ruzivo nezve specifications dzayo, zvinhu, kana zvinodiwa zvekuyedza, ndapota ndizivisei, uye ndingafara kukubatsirai zvakanyanya.
1. Fomu rekubatanidza muviri wevharuvhu nechifukidziro chevharuvhu: Class150~ Class600 uchishandisa chifukidziro chevharuvhu chepuragi; Class900 kuenda kuClass2500 inoshandisa chifukidziro chevharuvhu chinozvivharira chega.
2. Dhizaini yezvikamu zvekuvhura nekuvhara (vharuvhu redhisiki): vharuvhu redhisiki rakagadzirwa serudzi rwekutenderera, rine simba rakakwana uye kuomarara, uye chisimbiso chevharuvhu redhisiki chinogona kunge chakaputirwa negoridhe kana chinhu chisina simbi chakafukidzwa zvichienderana nezvinodiwa nemushandisi.
3. Chimiro chepakati chegasket chevharuvhu chinoshandiswa: Class150 check valve inoshandisa gasket yesimbi isina tsvina yegrafiti; C|ass300 check valve ine gasket yesimbi isina tsvina yegrafiti; Class600 check valve inogona kushandiswa nedombo resimbi isina tsvina. 4. Ink winding gasket inogona kushandiswawo gasket yesimbi ine ring; Mavharuvhu eClass900 kuenda kuClass2500 anoshandisa self-pressure sealing metal rings.
5. Fomu rekushanda: Vharuvhu rekutarisa rinovhura kana kuvhara roga zvichienderana nemamiriro ekuyerera kwemvura.
6. Dhizaini yeRocker: Rocker ine simba rakakwana, rusununguko rwakakwana rwekuvhara dhisiki revharuvhu, uye ine mudziyo unoiganhurira kudzivirira nzvimbo yekuvhura kuti isakwire zvakanyanya kuti ivharwe.
7. Dhizaini yerin'i yekusimudza: Vharuvhu yekuyedza yakakura yakagadzirwa nerin'i yekusimudza nefuremu yekutsigira, iyo iri nyore kusimudza.
Munguva yekuvhura nekuvhara vharuvhu yesimbi yakagadzirwa, nekuti kukweshana kuri pakati pedhisiki nepamusoro pekuvhara kwemuviri wevharuvhu kudiki pane kwevharuvhu yegedhi, haipfeki.
Kuvhurika kana kuvharwa kwesimbi yevharuvhu kupfupi, uye ine basa rekucheka rakavimbika, uye nekuda kwekuti shanduko yechigaro chevharuvhu inoenderana nekusvetuka kwedhisiki revharuvhu, yakakodzera kwazvo kugadzirisa mwero wekuyerera. Saka, rudzi urwu rwevharuvhu rwakakodzera zvikuru kuchekwa kana kudzorwa uye kupwanywa.
| Chigadzirwa | BS 1868 Swing Check Valve |
| Dhayamita yezita | NPS 2”, 3”, 4”, 6”, 8”, 10”, 12”, 14”, 16”, 18”, 20” 24”, 28”, 32”, 36”, 40”, 48” |
| Dhayamita yezita | Kirasi 150, 300, 600, 900, 1500, 2500. |
| Kugumisa Kubatanidza | Yakaputirwa (RF, RTJ, FF), Yakasungirirwa. |
| Kushanda | Hammer Inorema, Hapana |
| Zvinhu | A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A, Alloy 20, Monel, Inconel, Hastelloy, Aluminum Bronze nedzimwe alloy dzakakosha. |
| A105, LF2, F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51, Alloy 20, Monel, Inconel, Hastelloy | |
| Maumbirwo | Chifukidziro Chine Mabhaudhi, Chifukidziro Chekudzvanya Chisimbiso |
| Dhizaini uye Mugadziri | API 6D |
| Takatarisana | ASME B16.10 |
| Kugumisa Kubatanidza | ASME B16.5 (RF & RTJ) |
| ASME B16.25 (BW) | |
| Kuedzwa uye Kuongorora | API 598 |
| Zvimwe | NACE MR-0175, NACE MR-0103, ISO 15848, API624 |
| Inowanikwawo pa | PT, UT, RT,MT. |
Senyanzvi yeBS 1868 Swing Check Valve uye mutengesi kunze kwenyika, tinovimbisa kupa vatengi basa repamusoro-soro mushure mekutengesa, kusanganisira zvinotevera:
1. Ipai nhungamiro yekushandiswa kwechigadzirwa uye mazano ekugadzirisa.
2. Kana paine kutadza kunokonzerwa nematambudziko emhando yezvigadzirwa, tinovimbisa kupa rutsigiro rwehunyanzvi nekugadzirisa matambudziko munguva pfupi iri kutevera.
3. Kunze kwekukuvadzwa kunokonzerwa nekushandiswa kwakajairika, tinopa mabasa ekugadzirisa nekutsiva mahara.
4. Tinovimbisa kupindura nekukurumidza kune zvinodiwa nevatengi munguva yewarandi yechigadzirwa.
5. Tinopa rubatsiro rwehunyanzvi kwenguva refu, mazano epamhepo uye masevhisi ekudzidzisa. Chinangwa chedu ndechekupa vatengi ruzivo rwakanakisisa rwebasa uye kuita kuti ruzivo rwevatengi ruve nyore uye runonakidza.