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DRVZ silent check valve

DRVZ silent check valve inonyanya kuumbwa nemuviri wevharuvhu, chigaro chevharuvhu, muviri wekutungamira, dhisiki revhavha, kubereka, chitubu uye zvimwe zvikamu zvikuru. Iyo yemukati inoyerera ndima inotora inoyerera dhizaini, ine kushoma kudzvinyirira kurasikirwa. Kuvhura nekuvhara kwevhavha disc ipfupi kwazvo, iyo inogona kukurumidza kuvharwa kana pombi yamiswa kudzivirira kurira kukuru kwesando yemvura. Inonyanya kushandiswa mukupa mvura uye kudhiraivha, kurwa kwemoto, kudziyisa uye kufefetedza system, uye inogona kuiswa pakubuda kwepombi yemvura kudzivirira kudzoka shure uye kukuvara kwesando yepombi.
    DRVZ Tekinoroji paramita yeakanyarara cheki vharafu Chigadzirwa modhi DRVZ Zita dhayamita 2”-12” (DN50-DN300) Nominal pressure PN10/16/25 Inoshanda yepakati mvura yakachena Tembiricha inoshanda -10℃~80℃ Zvinhu zvezvikamu zvikuru Chikamu zita magadzirirwo echinhu. Chikamu chezita magadzirirwo emuviri wevharuvhu GJS 500-7 shim EPDM Disc GJS 500-7+EPDM Disc nut ANSI 304 Chitubu ANSI 304 Chinotungamira sleeve C61900 O-ring NBR Mutungamiriri muviri GJS 500-7 Stem ANSI 304 Main connection dimensions LD Nominal dimensions N-Φd DN(mm) NPS(mu) PN10 PN16 PN25 PN10 PN16 PN25 PN10 PN16 PN25 50 2" 150 165 165 165 125 125 125 4-Φ610" 4-Φ619 4-Φ10" 185 185 185 145 145 145 4 -Φ19 4-Φ19 8-Φ19 80 3" 180 200 200 200 160 160 160 8-Φ19 8-Φ19 8-Φ19 100 4" 190 220 220-8019Ω 8-Φ23 125 5" 200 250 250 270 210 210 220 8-Φ19 8-Φ19 8-Φ28 150 6" 210 285 285 300 240 240 250 8-Φ23 8-Φ304 2-Φ230 4 0 295 295 310 8-Φ23 12-Φ23 12-Φ28 250 10" 250 395 405 425 350 355 370 12-Φ33 12-Φ28 12-Φ31 300 12" 270 445 460 485 400 2Φ33 12-Φ31 300 12 -Φ31