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0102030405
DRVZ silent check valve

DRVZ silent check valve

Ang DRVZ silent check valve ay pangunahing binubuo ng valve body, valve seat, guide body, valve disc, bearing, spring at iba pang pangunahing bahagi. Ang panloob na daanan ng daloy ay gumagamit ng streamline na disenyo, na may kaunting pagkawala ng presyon. Ang pagbubukas at pagsasara ng stroke ng disc ng balbula ay napakaikli, na maaaring mabilis na sarado kapag ang bomba ay huminto upang maiwasan ang malaking tunog ng water hammer. Pangunahing ginagamit ito sa supply ng tubig at drainage, paglaban sa sunog, heating at ventilation system, at maaaring i-install sa outlet ng water pump upang maiwasan ang backflow at pagkasira ng water hammer sa pump.
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    detalye ng Produkto
    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