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DRVZ silent check valve
DRVZ Mga teknikal na parameter ng silent check valve Modelo ng produkto DRVZ Nominal diameter 2”-12”(DN50-DN300) Nominal pressure PN10/16/25 Naaangkop na katamtamang malinis na tubig Naaangkop na temperatura -10 ℃~80 ℃ Materyal ng mga pangunahing bahagi Tekstur ng pangalan ng bahagi ng materyal Part name texture ng material valve body GJS 500-7 shim EPDM Disc GJS 500-7+EPDM Disc nut ANSI 304 Spring ANSI 304 Guide sleeve C61900 O-ring NBR Guide body GJS 500-7 Stem ANSI 304 Pangunahing dimensyon ng koneksyon Nominal diameter LD D1 N-Φd DN(mm) NPS(in) PN10 PN16 PN25 PN10 PN16 PN25 PN10 PN16 PN25 50 2" 150 165 165 165 125 125 125 4-Φ19 4-Φ19 4-Φ19 4-Φ19 . 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" 190 220 218 Φ18 Φ18 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-Φ28 3-0 3 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 Φ6 -Φ31