{"id":2205,"date":"2023-11-01T03:32:55","date_gmt":"2023-11-01T03:32:55","guid":{"rendered":"https:\/\/hydraulic-cylinders.net\/?post_type=product&p=2205"},"modified":"2023-11-01T03:53:47","modified_gmt":"2023-11-01T03:53:47","slug":"4wrz-he-series-pilot-operated-proportional-directional-hydraulic-valve","status":"publish","type":"product","link":"https:\/\/www.hydraulic-cylinders.net\/cs\/produkt\/4wrz-he-series-pilot-operated-proportional-directional-hydraulic-valve\/","title":{"rendered":"\u0158ada 4WRZ\/H(E) s pilotn\u00edm \u0159\u00edzen\u00edm, proporcion\u00e1ln\u00ed hydraulick\u00fd sm\u011brov\u00fd ventil"},"content":{"rendered":"

\u0158ada 4WRZ\/H(E) s pilotn\u00edm \u0159\u00edzen\u00edm, proporcion\u00e1ln\u00ed hydraulick\u00fd sm\u011brov\u00fd ventil<\/strong><\/h1>\n

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\u0158ada 4WRZ\/H(E) s proporcion\u00e1ln\u00edm \u0159\u00edzen\u00edm a pilotn\u00edm \u0159\u00edzen\u00edm je nejmodern\u011bj\u0161\u00ed komponent navr\u017een\u00fd pro zaji\u0161t\u011bn\u00ed v\u00fdjime\u010dn\u00e9 p\u0159esnosti, regulace a \u00fa\u010dinnosti hydraulick\u00fdch syst\u00e9m\u016f. D\u00edky pokro\u010dil\u00e9 technologii proporcion\u00e1ln\u00edho \u0159\u00edzen\u00ed s pilotn\u00edm \u0159\u00edzen\u00edm umo\u017e\u0148uje tento ventil p\u0159esnou regulaci pr\u016ftoku a plynul\u00e9 zm\u011bny sm\u011bru.<\/p>\n

\u0158ada 4WRZ\/H(E) s proporcion\u00e1ln\u00edm \u0159\u00edzen\u00edm a pilotn\u00edm \u0159\u00edzen\u00edm posiluje hydraulick\u00e9 syst\u00e9my s p\u0159esnou regulac\u00ed pr\u016ftoku, v\u0161estrann\u00fdmi zm\u011bnami sm\u011bru a energetickou \u00fa\u010dinnost\u00ed. Jeho technologie proporcion\u00e1ln\u00edho \u0159\u00edzen\u00ed s pilotn\u00edm \u0159\u00edzen\u00edm zaji\u0161\u0165uje p\u0159esn\u00e9 a citliv\u00e9 nastaven\u00ed pr\u016ftoku, zat\u00edmco vysok\u00e1 pr\u016ftokov\u00e1 kapacita zaru\u010duje spolehliv\u00fd v\u00fdkon i v n\u00e1ro\u010dn\u00fdch aplikac\u00edch. Dodr\u017eov\u00e1n\u00edm doporu\u010den\u00fdch metod pou\u017e\u00edv\u00e1n\u00ed a pokyn\u016f pro \u00fadr\u017ebu m\u016f\u017eete maximalizovat v\u00fdhody a dlouhou \u017eivotnost ventilu \u0159ady 4WRZ\/H(E) a pov\u00fd\u0161it tak sv\u016fj hydraulick\u00fd syst\u00e9m na novou \u00farove\u0148 p\u0159esnosti a \u0159\u00edzen\u00ed. Vylep\u0161ete si hydraulick\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed je\u0161t\u011b dnes a za\u017eijte s\u00edlu proporcion\u00e1ln\u00edho hydraulick\u00e9ho sm\u011brov\u00e9ho ventilu s pilotn\u00edm \u0159\u00edzen\u00edm \u0159ady 4WRZ\/H(E).<\/p>\n

Kl\u00ed\u010dov\u00e9 vlastnosti proporcion\u00e1ln\u00edho hydraulick\u00e9ho rozv\u00e1d\u011b\u010de s pilotn\u00edm \u0159\u00edzen\u00edm \u0159ady 4WRZ\/H(E):<\/p>\n

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  1. Pilotn\u011b \u0159\u00edzen\u00e9 proporcion\u00e1ln\u00ed \u0159\u00edzen\u00ed<\/li>\n<\/ol>\n
      \n
    • Ventil \u0159ady 4WRZ\/H(E) vyu\u017e\u00edv\u00e1 technologii proporcion\u00e1ln\u00edho \u0159\u00edzen\u00ed s pilotn\u00edm \u0159\u00edzen\u00edm, kter\u00e1 umo\u017e\u0148uje p\u0159esn\u00e9 a proporcion\u00e1ln\u00ed nastaven\u00ed pr\u016ftoku na z\u00e1klad\u011b \u0159\u00eddic\u00edch sign\u00e1l\u016f.<\/li>\n
    • Tato funkce zaji\u0161\u0165uje p\u0159esn\u00e9 a citliv\u00e9 ovl\u00e1d\u00e1n\u00ed, co\u017e m\u00e1 za n\u00e1sledek lep\u0161\u00ed v\u00fdkon syst\u00e9mu, sn\u00ed\u017eenou spot\u0159ebu energie a vy\u0161\u0161\u00ed produktivitu.<\/li>\n<\/ul>\n
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      1. V\u0161estrann\u00e9 sm\u011brov\u00e9 ovl\u00e1d\u00e1n\u00ed<\/li>\n<\/ol>\n
          \n
        • Tento ventil nab\u00edz\u00ed v\u0161estrann\u00e9 ovl\u00e1d\u00e1n\u00ed sm\u011bru hydraulick\u00e9 kapaliny, d\u00edky \u010demu\u017e je vhodn\u00fd pro \u0161irokou \u0161k\u00e1lu aplikac\u00ed.<\/li>\n
        • Umo\u017e\u0148uje bezprobl\u00e9movou aktivaci a deaktivaci hydraulick\u00fdch komponent, jako jsou v\u00e1lce, motory a aktu\u00e1tory, v r\u016fzn\u00fdch sm\u011brech, co\u017e zvy\u0161uje flexibilitu a p\u0159izp\u016fsobivost syst\u00e9mu.<\/li>\n<\/ul>\n
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          1. Vysok\u00e1 pr\u016ftokov\u00e1 kapacita<\/li>\n<\/ol>\n
              \n
            • Ventil \u0159ady 4WRZ\/H(E) je navr\u017een pro vysok\u00e9 pr\u016ftoky, co\u017e ho \u010din\u00ed ide\u00e1ln\u00edm pro aplikace vy\u017eaduj\u00edc\u00ed zna\u010dn\u00fd hydraulick\u00fd v\u00fdkon.<\/li>\n
            • Jeho robustn\u00ed konstrukce zaji\u0161\u0165uje spolehliv\u00fd v\u00fdkon i za n\u00e1ro\u010dn\u00fdch podm\u00ednek a poskytuje konzistentn\u00ed a efektivn\u00ed regulaci pr\u016ftoku.<\/li>\n<\/ul>\n
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              1. Energetick\u00e1 \u00fa\u010dinnost<\/li>\n<\/ol>\n
                  \n
                • D\u00edky za\u010dlen\u011bn\u00ed proporcion\u00e1ln\u00edho \u0159\u00edzen\u00ed s pilotn\u00edm \u0159\u00edzen\u00edm tento ventil minimalizuje tlakov\u00e9 ztr\u00e1ty a optimalizuje spot\u0159ebu energie.<\/li>\n
                • Pom\u00e1h\u00e1 sni\u017eovat spot\u0159ebu energie, co\u017e vede k \u00faspor\u00e1m n\u00e1klad\u016f a p\u0159\u00ednos\u016fm pro \u017eivotn\u00ed prost\u0159ed\u00ed.<\/li>\n<\/ul>\n

                  Parametr proporcion\u00e1ln\u00edho hydraulick\u00e9ho rozv\u00e1d\u011b\u010de s pilotn\u00edm \u0159\u00edzen\u00edm \u0159ady 4WRZ\/H(E):<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                  Gener\u00e1l<\/strong><\/td>\n<\/tr>\n
                  Typ ventilu<\/td>\nWRZ<\/td>\nWRZE<\/td>\n<\/tr>\n
                  Instalace<\/td>\nVoliteln\u00e9, nejl\u00e9pe horizont\u00e1ln\u00ed<\/td>\n<\/tr>\n
                  Rozsah skladovac\u00edch teplot<\/td>\n\u2103<\/td>\n-20 a\u017e +80<\/td>\n<\/tr>\n
                  Rozsah okoln\u00ed teploty<\/td>\n\u2103<\/td>\n-20 a\u017e +70<\/td>\n-20 a\u017e +50<\/td>\n<\/tr>\n
                  Hmotnost<\/td>\nNS 10<\/td>\nkg<\/td>\n7.8<\/td>\n8<\/td>\n<\/tr>\n
                  NS 16<\/td>\nkg<\/td>\n13.4<\/td>\n13.6<\/td>\n<\/tr>\n
                  NS 25<\/td>\nkg<\/td>\n18.2<\/td>\n18.4<\/td>\n<\/tr>\n
                  NS 32<\/td>\nkg<\/td>\n42.2<\/td>\n42.4<\/td>\n<\/tr>\n
                  Hydraulick\u00e9\u00a0<\/strong>\u00a0\u00a0 (m\u011b\u0159eno pomoc\u00ed HLPAG.p=100bar: 40 \u00b0C \u00b1 5 \u00b0C)<\/td>\n<\/tr>\n
                  Velikost<\/td>\n10<\/td>\n16<\/td>\n25<\/td>\n32<\/td>\n<\/tr>\n
                  Provozn\u00ed tlak<\/td>\nPilotn\u00ed ventil<\/td>\nExtern\u00ed p\u0159\u00edvod pilotn\u00edho oleje<\/td>\nbar<\/td>\n30 a\u017e 100 bar\u016f<\/td>\n<\/tr>\n
                  Vnit\u0159n\u00ed p\u0159\u00edvod pilotn\u00edho oleje<\/td>\nbar<\/td>\n100 to 350 with “D3” only<\/td>\n<\/tr>\n
                  Hlavn\u00ed ventil<\/td>\nbar<\/td>\nna 315<\/td>\nna 350<\/td>\nna 350<\/td>\nna 350<\/td>\n<\/tr>\n
                  Zp\u011btn\u00fd tlak<\/td>\nP\u0159\u00edpojka T (p\u0159\u00edpojka R) (extern\u00ed v\u00fdpust pilotn\u00edho oleje))<\/td>\nbar<\/td>\nna 315<\/td>\nna 250<\/td>\nna 250<\/td>\nna 150<\/td>\n<\/tr>\n
                  Port T (vnit\u0159n\u00ed v\u00fdpust pilotn\u00edho oleje)<\/td>\nbar<\/td>\nna 30<\/td>\nna 30<\/td>\nna 30<\/td>\nna 30<\/td>\n<\/tr>\n
                  \u00a0Port Y<\/td>\nbar<\/td>\nna 30<\/td>\nna 30<\/td>\nna 30<\/td>\nna 30<\/td>\n<\/tr>\n
                  Vstupn\u00ed sign\u00e1l objemu pilotn\u00edho oleje 0-100 %<\/td>\ncm3<\/sup><\/td>\n1.7<\/td>\n4.6<\/td>\n10<\/td>\n26.5<\/td>\n<\/tr>\n
                  Pr\u016ftok pilotn\u00edho oleje v portu X a Y se stup\u0148ovit\u00fdm vstupn\u00edm sign\u00e1lem 0-100 %<\/td>\n3.5<\/td>\n5.5<\/td>\n7<\/td>\n15.9<\/td>\n<\/tr>\n
                  Pr\u016ftok hlavn\u00edho ventilu<\/td>\nl\/min<\/td>\nna 170<\/td>\nna 460<\/td>\n\u00a0 na 870<\/td>\ndo roku 1600<\/td>\n<\/tr>\n
                  Hydraulick\u00e1 kapalina<\/td>\nl\/min<\/td>\nMiner\u00e1ln\u00ed olej (HL, HLP) dle DIN 51524 Dal\u0161\u00ed kapaliny na vy\u017e\u00e1d\u00e1n\u00ed<\/td>\n<\/tr>\n
                  Teplotn\u00ed rozsah hydraulick\u00e9 kapaliny<\/td>\n\u2103<\/td>\n-20 a\u017e +80 (nejl\u00e9pe +40 a\u017e +50)<\/td>\n<\/tr>\n
                  Rozsah viskozity<\/td>\nmm2<\/sup>\/s<\/td>\n20 a\u017e 380 (nejl\u00e9pe 30 a\u017e 46)<\/td>\n<\/tr>\n
                  Stupe\u0148 kontaminace<\/td>\nMaxim\u00e1ln\u00ed p\u0159\u00edpustn\u00fd stupe\u0148 kontaminace tlakov\u00e9 kapaliny je dle NAS 1638 nebo ISO 4406(c)<\/td>\nDoporu\u010duje se filtr s minim\u00e1ln\u00ed m\u00edrou zadr\u017een\u00ed \u03b2x \u2265 75.<\/td>\n<\/tr>\n
                  Pilotn\u00ed ventil<\/td>\n\u00a0NAS 1638 t\u0159\u00edda 7<\/td>\nx=5<\/td>\n<\/tr>\n
                  Hlavn\u00ed ventil<\/td>\n\u00a0NAS 1638 t\u0159\u00edda 9<\/td>\nx=15<\/td>\n<\/tr>\n
                  Hystereze<\/td>\n%<\/td>\n\u22646<\/td>\n<\/tr>\n
                  Elektrick\u00fd<\/strong><\/td>\n<\/tr>\n
                  Typ ventilu<\/td>\nWRZ<\/td>\nWRZE<\/td>\n<\/tr>\n
                  Typ ochrany ventilu dle EN 60529<\/td>\nIP65 s namontovanou a uzamknutou kabelovou z\u00e1suvkou<\/td>\n<\/tr>\n
                  Typ nap\u011bt\u00ed<\/td>\nDC<\/td>\n<\/tr>\n
                  P\u0159ekryt\u00ed hodnot p\u0159\u00edkaz\u016f<\/td>\n%<\/td>\n15<\/td>\n<\/tr>\n
                  Max. proud<\/td>\nA<\/td>\n1.5<\/td>\n2.5<\/td>\n<\/tr>\n
                  Odpor c\u00edvky solenoidu<\/td>\nHodnota za studena p\u0159i 20 \u00b0C<\/td>\n\u03a9<\/td>\n4.8<\/td>\n2<\/td>\n<\/tr>\n
                  Max. tepl\u00e1 hodnota<\/td>\n\u03a9<\/td>\n7.2<\/td>\n3<\/td>\n<\/tr>\n
                  Faktor cyklick\u00e9 doby trv\u00e1n\u00ed<\/td>\n%<\/td>\n100<\/td>\n<\/tr>\n
                  Teplota c\u00edvky<\/td>\n\u2103<\/td>\nna 150<\/td>\n<\/tr>\n
                  Ochrana ventilu dle EN 60529<\/td>\nIP65<\/td>\n<\/tr>\n
                  \u0158\u00eddic\u00ed elektronika<\/strong><\/td>\n<\/tr>\n
                  Extern\u00ed zesilova\u010d pro typ WRZ<\/td>\nVT- VSPA2-L2X\/…<\/td>\n<\/tr>\n
                  Sign\u00e1l \u0159\u00eddic\u00ed hodnoty<\/td>\n-Voltage input “A1”<\/td>\nPROTI<\/td>\n\u00b110<\/td>\n<\/tr>\n
                  –Current input “F1”<\/td>\nmA<\/td>\n4 a\u017e 20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  V\u00fdhody proporcion\u00e1ln\u00edho hydraulick\u00e9ho rozv\u00e1d\u011b\u010de s pilotn\u00edm \u0159\u00edzen\u00edm \u0159ady 4WRZ\/H(E):<\/strong><\/h2>\n

                  \u2022 Pilotn\u011b ovl\u00e1dan\u00fd dvoustup\u0148ov\u00fd proporcion\u00e1ln\u00ed sm\u011brov\u00fd ventil, pou\u017e\u00edvan\u00fd k regulaci velikosti a sm\u011bru pr\u016ftoku kapaliny
                  \n\u2022 Proporcion\u00e1ln\u00ed solenoid se z\u00e1vitov\u00fdm p\u0159ipojen\u00edm, c\u00edvku lze samostatn\u011b demontovat
                  \n\u2022 P\u0159ipojovac\u00ed konstrukce pro mont\u00e1\u017e na desku, velikost p\u0159ipojen\u00ed odpov\u00edd\u00e1 norm\u00e1m DIN2430 a ISO4401
                  \n\u2022 Vyrovn\u00e1n\u00ed pru\u017einy c\u00edvky
                  \n\u2022 Typ WRZE s integrovan\u00fdm proporcion\u00e1ln\u00edm zesilova\u010dem
                  \n\u2022 Extern\u00ed zesilova\u010d typu WRZ (objedn\u00e1vejte samostatn\u011b)<\/p>\n

                  Zp\u016fsob pou\u017eit\u00ed proporcion\u00e1ln\u00edho hydraulick\u00e9ho rozv\u00e1d\u011b\u010de s pilotn\u00edm \u0159\u00edzen\u00edm \u0159ady 4WRZ\/H(E)<\/strong>:<\/strong><\/h2>\n
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                  1. Vyhodnocen\u00ed syst\u00e9mu<\/strong><\/li>\n<\/ol>\n