[{"data":1,"prerenderedAt":164},["ShallowReactive",2],{"ratgeber-en-wandhydrant-pruefung-din-en-671":3},{"id":4,"title":5,"body":6,"cta":120,"description":109,"extension":129,"faq":130,"hero":143,"image":151,"locale":152,"meta":153,"navigation":154,"order":155,"path":156,"seo":157,"slug":160,"stem":161,"summary":162,"__hash__":163},"ratgeber\u002Fratgeber\u002Fen\u002Fwandhydrant-pruefung-din-en-671.md","Wandhydrant Pruefung Din En 671",{"type":7,"value":8,"toc":108},"minimark",[9,14,18,21,25,37,40,44,47,51,54,58,61,64,68,79,82,86,89,92,95,99,102,105],[10,11,13],"h2",{"id":12},"what-is-a-wall-hydrant","What is a wall hydrant?",[15,16,17],"p",{},"A wall hydrant is a fixed fire-water take-off in the building — a cabinet with semi-rigid or flat-rolled hose, nozzle, shut-off valve and connection to the fire riser. Type S (self-help) for untrained users; type F (fire brigade) with higher flow for responders.",[15,19,20],{},"Wall hydrants complement extinguishers and enable longer, more sustained first-aid firefighting — \"unlimited\" while water supply holds.",[10,22,24],{"id":23},"intervals-in-accordance-with-the-applicable-proofs-of-usability","Intervals in accordance with the applicable proofs of usability",[15,26,27,28,32,33,36],{},"applicable proof of usability \"Maintenance\" defines two mandatory intervals: ",[29,30,31],"strong",{},"annual service"," by a competent person with function, pressure and flow test. ",[29,34,35],{},"Every 5 years hose pressure test"," at 1.5× operating pressure in accordance with the applicable proofs of usability.",[15,38,39],{},"Interim checks by operator: monthly visual (access, marking, seal) — not normed but standard in service contracts.",[10,41,43],{"id":42},"what-is-tested-annually","What is tested annually?",[15,45,46],{},"Condition \u002F visual: cabinet, lock, seal, hose damage, nozzle. Function: open valve, unroll hose, check jet. Measurement: flow rate at nozzle (type S ≥ 24 l\u002Fmin at 2 bar; type F ≥ 100 l\u002Fmin at 4.5 bar) and flow pressure. Documentation: protocol, new label, deficiencies.",[10,48,50],{"id":49},"cost","Cost",[15,52,53],{},"Per hydrant: €35–75 for annual test. 5-yearly hose pressure test additionally — ca. €25–40 per hose incl. certificate. For larger sites (10+ hydrants) a flat-fee contract is cheapest.",[10,55,57],{"id":56},"typical-deficiencies-and-cost","Typical deficiencies and cost",[15,59,60],{},"Stuck hose (not unrolled) → replace: €80–150. Faulty valve → replace: €120–250. Blocked nozzle → clean\u002Freplace: €25–75. Leaky cabinet \u002F missing seal → retrofit: €30–80.",[15,62,63],{},"Lessons from our NRW service contracts: in property stock older than 15 years, around 30 % of wall hydrants show at least one defect on inspection. The most common cause: the form-stable hose has never been unrolled — kinks stick the inside, and pressure collapses in the test. Prevention: annual unrolling is part of the mandatory inspection.",[10,65,67],{"id":66},"risers-dry-or-wet","Risers: dry or wet?",[15,69,70,71,74,75,78],{},"The riser is the fixed water supply line in the building, to which the wall hydrant is connected. Two designs exist: ",[29,72,73],{},"dry risers"," are normally empty and filled by the fire brigade from outside in a fire — typical in non-permanently used buildings, underground car parks and stairwells. ",[29,76,77],{},"Wet risers"," stay permanently pressurised and deliver water immediately — typical in office buildings, hotels, hospitals.",[15,80,81],{},"Service differs: dry risers must be water-tested every 2 years per DIN 14462. Wet risers need annual function, pressure and flow checks at the hydrant plus regular flushing against stagnation. Drinking-water regulations (TrinkwV) require regular water exchange on wet risers without separation stations.",[10,83,85],{"id":84},"how-a-wall-hydrant-inspection-by-abels-brandschutz-runs","How a wall-hydrant inspection by Abels Brandschutz runs",[15,87,88],{},"We inspect wall hydrants across all of North Rhine-Westphalia — from office buildings in Düsseldorf to logistics halls on the Niederrhein. A standard inspection takes 15–25 minutes per hydrant: visual inspection of the cabinet and seal, function test of the shut-off valve, unrolling and visual check of the hose, flow-pressure measurement at the nozzle (manometer and flow meter), reassembly and resealing with a new inspection label.",[15,90,91],{},"On identifying a defect we document with photo, give an immediate recommendation (replace, repair, retrofit) and align the repair with the operator. Hoses with the 5-year pressure test about to expire are exchanged in the annual inspection — saving a separate visit.",[15,93,94],{},"For multi-site customers (property managers, hospital groups, industrial groups) we run a central digital register. You see per location which hydrant was last inspected and when the next 5-year pressure test is due.",[10,96,98],{"id":97},"legal-consequences-and-insurance","Legal consequences and insurance",[15,100,101],{},"A missed wall-hydrant inspection regularly becomes a problem in a claim: the property insurer (often per VdS 2095) requires functional fire-protection equipment. If the wall hydrant could not be deployed in a fire because it was not operational, the insurer reduces the claim — for gross negligence up to full denial.",[15,103,104],{},"Administrative: building authorities and the surveyor for preventive fire protection check the maintenance documentation in inspections. Missing protocols are a defect under Building Code NRW (BauO NRW § 81) and may trigger administrative orders or fines.",[15,106,107],{},"For special buildings (hospitals, assembly venues, hotels), wall-hydrant servicing is part of the operating permit. Non-servicing may put the permit in question and in extreme cases trigger a closure order.",{"title":109,"searchDepth":110,"depth":110,"links":111},"",2,[112,113,114,115,116,117,118,119],{"id":12,"depth":110,"text":13},{"id":23,"depth":110,"text":24},{"id":42,"depth":110,"text":43},{"id":49,"depth":110,"text":50},{"id":56,"depth":110,"text":57},{"id":66,"depth":110,"text":67},{"id":84,"depth":110,"text":85},{"id":97,"depth":110,"text":98},{"kicker":121,"heading":122,"lead":123,"primary_label":124,"primary_to":125,"secondary_label":126,"secondary_to":127,"phone_label":128},"↳ Request service","Need support?","We handle testing, service and documentation across NRW.","Request a quote","\u002Fkontakt\u002Fangebotsanfrage","Request a callback","\u002Fkontakt","Call us directly","md",{"kicker":131,"heading":132,"items":133},"↳ FAQ","Common questions.",[134,137,140],{"q":135,"a":136},"Who is responsible for testing?","Building operator \u002F owner. They must commission a competent firm in accordance with the applicable proofs of usability. Lease contracts often define who pays — the duty stays with the operator.",{"q":138,"a":139},"Must the cabinet stay open?","No — but must open without tools. Sealed cabinets are common; the seal breaks on use, which documents deployment.",{"q":141,"a":142},"Type S vs F difference?","Type S has a semi-rigid 30 m hose for untrained use. Type F has a flat-rolled hose with higher flow for firefighters. Industrial sites use type F.",{"kicker":144,"title_pre":145,"lead":146,"meta":147,"image_label":145,"badge":144,"caption":145},"↳ Guide","Maintaining Wall Hydrants: applicable proof of usability Explained","Wall hydrants and their annual test duty in accordance with the applicable proofs of usability — type S vs type F, 5-yearly hose pressure test, cost and documentation duties.",[148,149,150],"Standard-based","For operators","With FAQ","\u002Fimages\u002Fratgeber-wandhydrant-pruefung.webp","en",{},true,60,"\u002Fratgeber\u002Fen\u002Fwandhydrant-pruefung-din-en-671",{"title":158,"description":146,"keywords":159},"Maintaining Wall Hydrants: applicable proof of usability Explained | Guide · Abels Brandschutz","wall hydrant maintenance, applicable proof of usability, hose reel test, type F hose reel, type S hose reel","wandhydrant-pruefung-din-en-671","ratgeber\u002Fen\u002Fwandhydrant-pruefung-din-en-671",null,"gcHkUnO7mcmrPmP0tMThXWqh5eaDPQ7qfyGE3qfQtiQ",1779439330821]