Walraven har sedan starten 1942 utvecklat, producerat och levererat smarta installationslösningar. Med vårt breda produktsortiment och erfarenhet inom VVS-branschen, kan vi erbjuda kompletta lösningar för alla projekt oavsett storlek eller komplexitet. Walravens ingenjörsavdelning hjälper med allt från mindre tekniska frågor till projektering av stora projekt, och tar hand om alla delar av lösningen, från design […]
29 April 2021, Mijdrecht, the Netherlands- – Walraven, a global installation partner, reinforces its commitment towards sustainable developments by joining the community of Family Business for Sustainable Development (FBSD). Driven by its purpose, ‘to make a sustainable difference by building a multinational with a heart’, Walraven is committed to making a sustainable impact from a […]
Concrete screws are a versatile choice of anchor suitable for a whole range of building services installations. Walraven’s ETA approved concrete screw anchors can be used in both cracked and non-cracked concrete, solid brick, hollow brick, stone and fire rated installations. We created top tips for installing concrete screws because unfortunately anchor failure due to […]
Anchors are often used in safety-critical applications. But what is a safety-critical application, and how important is it to use ETA approved concrete screw anchors? The European Technical Approval guidelines define safety-critical applications as being: “Applications in which the failure of an anchor could result in collapse or partial collapse of a structure, cause risk […]
Concrete screw anchors are becoming a popular choice for contractors in a bid to improve both speed and efficiency of M&E installations. They are one of the simplest anchors to install and offer versatility with a range of different head types. Here are 6 reasons why you should be using concrete screws. Easy to install. […]
If you are looking for pipe clamps to fix a heavy load pipe installation, there are often two types of pipe clamp to choose from – traditional split bands or modern heavy duty pipe clamps. Both of these clamps are suitable for supporting heavier loads (generally speaking), however, there are some important differences that you […]
Understanding multiple use applications Have you ever encountered phrases such as multiple use or multiple fixing in the anchoring context and were not sure what they meant? In this article, we will take a closer look at what these terms typically refer to. In Europe, most anchors subject to static and quasi-static loads are designed […]
Fixed in a flash without tools The Bismat® Flash is a single screw pipe clamp with quick locking system. The locking screw can be secured with one simple thumb push, no tools required. As the locking screw is manually closed, there is minimal rubber compression. This results in better absorption of noise and vibration. The […]
With the foundation of a joint venture with Diamond Pipe Supports, the Walraven Group now spreads its wings in the Middle East and India. In Diamond Pipe Supports, active in the region for many years, Walraven has found a strong business partner. The wide range and the knowhow of Walraven will provide an important complement […]
Vår Tekniska Support ger i varje nummer svar på FAQ. I detta nummer svarar vi på frågan: Vad händer med ett rör när temperaturen förändras? Expansion och kontraktion av rör Teknisk support: “Expansion och kontraktion av rör sker vanligtvis under inverkan av temperaturförändringar. Med en temperaturökning blir röret längre och vid en temperaturminskning drar sig röret […]
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