[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.gcjc.cz\/jak-poznat-kvalitni-zahradni-hadici\/#Article","mainEntityOfPage":"https:\/\/www.gcjc.cz\/jak-poznat-kvalitni-zahradni-hadici\/","headline":"Jak poznat kvalitn\u00ed zahradn\u00ed hadici","name":"Jak poznat kvalitn\u00ed zahradn\u00ed hadici","description":"Zpev\u0148uj\u00edc\u00ed pletivov\u00e1 vrstva \u2013 jedn\u00edm z d\u016fle\u017eit\u00fdch parametr\u016f t\u011bchto v\u00fdrobk\u016f je i ochrann\u00e9 vnit\u0159n\u00ed pletivo zalit\u00e9 v termoplastov\u00e9 vrstv\u011b. Ji\u017e … ","datePublished":"2019-09-17","dateModified":"2023-05-19","author":{"@type":"Person","@id":"https:\/\/www.gcjc.cz\/author\/#Person","name":"","url":"https:\/\/www.gcjc.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d2f205e1507a0401c7d467d32c87ccece0f63a45b81075bb691dbe8d4c823787?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d2f205e1507a0401c7d467d32c87ccece0f63a45b81075bb691dbe8d4c823787?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"gcjc.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.gcjc.cz\/wp-content\/uploads\/img_a351005_w1744_t1565776309.jpg","url":"https:\/\/www.gcjc.cz\/wp-content\/uploads\/img_a351005_w1744_t1565776309.jpg","height":0,"width":0},"url":"https:\/\/www.gcjc.cz\/jak-poznat-kvalitni-zahradni-hadici\/","about":["Nakupov\u00e1n\u00ed"],"wordCount":430,"articleBody":"      Zpev\u0148uj\u00edc\u00ed pletivov\u00e1 vrstva \u2013 jedn\u00edm z d\u016fle\u017eit\u00fdch parametr\u016f t\u011bchto v\u00fdrobk\u016f je i ochrann\u00e9 vnit\u0159n\u00ed pletivo zalit\u00e9 v termoplastov\u00e9 vrstv\u011b. Ji\u017e mnoho d\u016fv\u011b\u0159iv\u00fdch z\u00e1kazn\u00edk\u016f nalet\u011blo na podez\u0159ele velmi levn\u00e9 v\u00fdrobky v cen\u011b kolem sedmi korun za metr, kde \u017e\u00e1dn\u00e1 pletivov\u00e1 vrstva nebyla, ale pouze jako imitace ve form\u011b v\u00fdtisku na povrchu v\u00fdrobku. Pletivo zaru\u010duje potrub\u00ed tlakovou pevnost, a to zvl\u00e1\u0161t\u011b tehdy, proud\u00ed-li voda z\u00fa\u017eenou tryskou, a kdy jej\u00ed tlak uvnit\u0159 hadic p\u0159ekra\u010duje i patn\u00e1ct atmosf\u00e9r.   P\u0159elomen\u00e1 a po\u0161kozen\u00e1 m\u00edsta \u2013 p\u0159i n\u00e1kupu si ov\u011b\u0159te, zda je n\u00e1vin zcela neporu\u0161en\u00fd, a zda nejsou n\u011bkde zn\u00e1mky po\u0161kozen\u00ed, p\u0159el\u00e1m\u00e1n\u00ed apod. V\u011bt\u0161inou k tomu doch\u00e1z\u00ed v d\u016fsledku ne\u0161etrn\u00e9ho zach\u00e1zen\u00ed s v\u00fdrobkem, ale mnohdy je toto tak\u00e9 zn\u00e1mkou nevhodn\u00e9 v\u00fdrobn\u00ed technologie. P\u0159\u00edli\u0161 tenk\u00e9 st\u011bny a absence textiln\u00edho pletiva toti\u017e zp\u016fsob\u00ed, \u017ee se hadice p\u0159el\u00e1me a nem\u016f\u017ee odolat i sebemen\u0161\u00edmu nam\u00e1h\u00e1n\u00ed.  Po\u017eadovan\u00fd tlak \u2013 kvalitn\u00ed zahradn\u00ed hadice https:\/\/www.chlorito.cz\/zahradni-hadice snese a\u017e 30 bar\u016f (atmosf\u00e9r), vyj\u00e1d\u0159eno ve spr\u00e1vn\u00fdch jednotk\u00e1ch SI je to do 3 MPa. V b\u011b\u017en\u00e9m vodovodn\u00edm \u0159adu voda sice proud\u00ed pod mnohem ni\u017e\u0161\u00edm tlakem zhruba t\u0159\u00ed a\u017e \u010dty\u0159 atmosf\u00e9r, ov\u0161em zal\u00e9v\u00e1n\u00ed zahrady se prov\u00e1d\u00ed z\u00fa\u017eenou koncovkou, kter\u00e1 tlak uvnit\u0159 cel\u00e9ho syst\u00e9mu n\u011bkolikan\u00e1sobn\u011b zvy\u0161uje. Kvalita v\u00fdrobku se tedy projev\u00ed obvykle a\u017e po zapojen\u00ed trysek. Garantovan\u00fd provozn\u00ed tlak je velmi d\u016fle\u017eit\u00fd zejm\u00e9na tam, kde se voda uzav\u00edr\u00e1 a\u017e na konci syst\u00e9mu, a kde je tekutina uvnit\u0159 hadic del\u0161\u00ed dobu. Pokud pou\u017eijete \u201eo\u0161izen\u00fd\u201c v\u00fdrobek, \u010dasem se vysmekne ze spojek, praskne a m\u016f\u017ee zp\u016fsobit \u0159adu nep\u0159\u00edjemnost\u00ed. Zvl\u00e1\u0161t\u011b tehdy, kdy je syst\u00e9m p\u0159ipraven do provozu pro zal\u00e9v\u00e1n\u00ed v dob\u011b, kdy nejste doma p\u0159\u00edtomni, a kdy odt\u00e9kaj\u00edc\u00ed voda z praskliny m\u016f\u017ee zahradu doslova zaplavit.  Jak je to s barvou \u2013 zelen\u00e1, \u017elut\u00e1 nebo modr\u00e1, v z\u00e1sad\u011b na tom v\u016fbec nez\u00e1le\u017e\u00ed. Podstatn\u00e9 je, aby materi\u00e1l potrub\u00ed byl PVC odoln\u00e9 v\u016f\u010di UV z\u00e1\u0159en\u00ed, a vnit\u0159n\u00ed textiln\u00ed v\u00fdplet z polyesterov\u00e9ho vl\u00e1kna. Barva pouze ur\u010duje, jakou intenzitou se bude uvnit\u0159 oh\u0159\u00edvat tekutina na slunci \u2013 \u010d\u00edm tmav\u0161\u00ed odst\u00edn, t\u00edm rychleji.                                                                                                                                                                                                                                                                                                                                                                                           3.7\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak poznat kvalitn\u00ed zahradn\u00ed hadici","item":"https:\/\/www.gcjc.cz\/jak-poznat-kvalitni-zahradni-hadici\/#breadcrumbitem"}]}]