0102 ib0304 ib05
DRVZ ntsiag to check valve
DRVZ Technical parameters of silent check valve Khoom qauv DRVZ Nominal inch 2 "-12" (DN50-DN300) Nominal siab PN10/16/25 Siv nruab nrab dej huv Siv tau kub -10 ℃ ~ 80 ℃ Cov khoom siv ntawm cov khoom tseem ceeb Tshooj npe ntawm cov khoom siv Lub npe kev ntxhib los mos ntawm cov khoom siv valve lub cev GJS 500-7 shim EPDM Disc GJS 500-7 + EPDM Disc txiv ntoo ANSI 304 Caij nplooj ntoos hlav ANSI 304 Qhia tes tsho C61900 O-ring NBR Qhia lub cev GJS 500-7 qia ANSI 304 Main kev twb kev txuas qhov ntev D1 Nominal LD N-Φd DN(mm) NPS(in) PN10 PN16 PN25 PN10 PN10 PN16 PN25 PN10 PN16 PN25 50 2" 150 165 165 165 125 125 125 125 4-Φ19 4-Φ19 4-Φ19 4-Φ19 4-Φ19 185 185 145 145 145 4 ib -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 8019 Φ190 220 220 8019 Φ 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-Φ3028 30-Φ428 30 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 Φ 33 402 485 4020 - Φ31