{"id":139445,"date":"2025-10-06T22:22:55","date_gmt":"2025-10-06T22:22:55","guid":{"rendered":"https:\/\/produse.valrom.ro\/product\/pp-acoustic-sleeve-bf-d160\/"},"modified":"2026-03-31T16:00:52","modified_gmt":"2026-03-31T16:00:52","slug":"pp-acoustic-sleeve-bf-d160","status":"publish","type":"product","link":"https:\/\/produse.valrom.ro\/en\/product\/pp-acoustic-sleeve-bf-d160\/","title":{"rendered":"PP FONO BF D160 COUPLING"},"content":{"rendered":"<p>Used in indoor sewage systems for the evacuation of domestic wastewater in gravity flow regime (where the tightness test is performed at max. 0.5 bar), where sound dampening from water discharge is desired. <br \/> Reference standard: EN 1451.<br \/> Black color, mass-colored, single-layer, made of PP with mineral additives. <br \/> Size range includes diameters from 32 mm to 160 mm.<br \/> Socket and gasket joining system, no special tools, adhesives or solvents required.<br \/> Acoustic performance is 16 dB for a flow rate of 2 l\/s. Sound-absorbing properties are certified following measurements performed in the laboratories of the Fraunhofer Institute in Germany, according to EN 14366. The use of sound-absorbing clamps is recommended.   <br \/> Fire behavior classification, in accordance with DIN 4102-1, is class B1. When passing through ceilings, we recommend using fire-stop collars as a protective measure against flame propagation.<br \/> To reduce noise levels in indoor sewage systems, we recommend:<br \/> \u2022 Selecting a pipe and fitting system with good sound-absorbing properties;<br \/> \u2022 Proper design of the installations;<br \/> \u2022 Correct installation of the system using appropriate products. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Used in indoor sewage systems for the evacuation of domestic [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"inline_featured_image":false,"wds_primary_product_brand":0,"wds_primary_product_cat":0},"product_brand":[],"product_cat":[8159],"product_tag":[],"class_list":["post-139445","product","type-product","status-publish","product_cat-fittings-pp-sound-absorbing-sewage-pipes","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v28.0) - 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