{"id":11270,"date":"2025-12-19T08:48:07","date_gmt":"2025-12-19T08:48:07","guid":{"rendered":"https:\/\/ykmtest.com\/?post_type=product&#038;p=11270"},"modified":"2025-12-19T08:48:08","modified_gmt":"2025-12-19T08:48:08","slug":"constant-head-permeability-set-bs","status":"publish","type":"product","link":"https:\/\/ykmtest.com\/french\/produit\/constant-head-permeability-set-bs\/","title":{"rendered":"Ensemble de perm\u00e9abilit\u00e9 \u00e0 t\u00eate constante, BS"},"content":{"rendered":"<p>Les orifices de pr\u00e9l\u00e8vement du manom\u00e8tre sont positionn\u00e9s \u00e0 un espacement axial fixe le long de la cellule. Chaque orifice est dot\u00e9 d'une rainure interne et d'un tamis qui emp\u00eachent la migration des particules et garantissent une mesure pr\u00e9cise de la perte de charge hydraulique. Un syst\u00e8me de si\u00e8ge \u00e0 ressort situ\u00e9 sur le bouchon sup\u00e9rieur, ainsi qu'une interface pierre poreuse\/\u00e9cran, maintiennent un contact uniforme entre l'\u00e9chantillon et le bouchon. Le capuchon inf\u00e9rieur comprend un distributeur de d\u00e9bit et une voie d'\u00e9vacuation de l'air. Toutes les pi\u00e8ces en contact avec le liquide sont fabriqu\u00e9es \u00e0 partir de mat\u00e9riaux r\u00e9sistants \u00e0 la corrosion ; des raccords rapides permettent une connexion directe au r\u00e9servoir \u00e0 hauteur de chute constante et au syst\u00e8me de tuyau vertical. Le pied du manom\u00e8tre est \u00e9quip\u00e9 de trois tubes en verre rigide avec des graduations en millim\u00e8tres, ce qui permet d'obtenir des mesures claires et stables de la hauteur de chute. Le r\u00e9servoir \u00e0 hauteur de chute constante est dot\u00e9 d'un trop-plein r\u00e9gul\u00e9 et d'un corps transparent pour faciliter la surveillance du niveau. La tuyauterie est fournie avec des tubes et des colliers r\u00e9sistants aux produits chimiques ; les surfaces int\u00e9rieures\/ext\u00e9rieures lisses permettent un nettoyage rapide et une maintenance r\u00e9duite entre les tests. Le syst\u00e8me peut \u00eatre configur\u00e9 pour diff\u00e9rents diam\u00e8tres d'\u00e9chantillons, g\u00e9n\u00e9ralement \u224875 mm et 114 mm, des tailles sup\u00e9rieures \u00e9tant disponibles pour les mat\u00e9riaux plus grossiers.<\/p>","protected":false},"excerpt":{"rendered":"<p>L'ensemble de perm\u00e9abilit\u00e9 \u00e0 hauteur constante (BS) est un syst\u00e8me de laboratoire professionnel con\u00e7u pour la d\u00e9termination fiable de la conductivit\u00e9 hydraulique des sols sans coh\u00e9sion (sable-gravier) dans des conditions d'\u00e9coulement contr\u00f4l\u00e9es. L'ensemble comprend des cellules perm\u00e9am\u00e9triques \u00e0 paroi rigide, un support de manom\u00e8tre et un r\u00e9servoir d'alimentation \u00e0 hauteur de chute constante. Le corps de la cellule, transparent et r\u00e9sistant aux chocs, est fix\u00e9 par des bouchons sup\u00e9rieurs et inf\u00e9rieurs usin\u00e9s avec pr\u00e9cision et des joints toriques, ce qui garantit un fonctionnement sans fuite. La hauteur d'eau constante maintient un flux laminaire \u00e0 travers l'\u00e9chantillon et des gradients de pression stables sur des dur\u00e9es d'essai prolong\u00e9es. Les dimensions et la configuration sont conformes \u00e0 la norme BS 1377-5.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[128,119],"product_tag":[],"class_list":{"0":"post-11270","1":"product","2":"type-product","3":"status-publish","5":"product_cat-soil-permeability","6":"product_cat-soil-lab","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Constant Head Permeability Set, BS - YKM TEST<\/title>\n<meta name=\"description\" content=\"Reliable Constant Head Permeability Set (BS) for accurate hydraulic conductivity testing of sand-gravel soils. Featuring precision machined permeameter cells, manometer stand, and corrosion-resistant components. 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