Viega 91100 MegaPress 316 Stainless Steel 1/2" Coupling with Stop FKM

Viega

<h3>Viega: Redefining the Art of Pipe Connection</h3><p>Few names carry as much weight in the world of modern plumbing as Viega. Headquartered in Broomfield, Colorado, Viega LLC brought press-fitting technology to North America in 1999 — and has been pushing the industry forward ever since. Backed by a global heritage stretching back to 1899, <strong>Viega</strong> combines over a century of engineering expertise with relentlessly innovative design, making it the go-to brand for contractors and engineers working in residential, commercial, industrial, and marine environments.</p><h3>The Press Technology Advantage</h3><p>What sets Viega apart is a fundamental rethinking of how pipe joints are made. Traditional methods rely on soldering, threading, or welding — processes that require open flames, toxic flux, and significant labor time. Viega&apos;s press systems eliminate all of that. <a href="/15834-viega-pipe-fitting-17358">Viega pipe fittings</a> use a cold-press method in which a calibrated tool crimps the fitting around the pipe in seconds, creating a permanent, leak-proof joint without any flame, heavy equipment, or system shutdown. The result is faster installations, safer jobsites, and consistently reliable connections every time.</p><p>At the heart of this technology is Viega&apos;s patented <strong>Smart Connect&reg; technology</strong> — the only system in the industry that detects unpressed connections 100% of the time during pressure testing, giving installers complete confidence before a system goes live.</p><h3>Viega&apos;s Core Systems</h3><p>Viega organizes its lineup around three flagship systems, each engineered for specific materials and applications:</p><ul style="list-style:disc"><li><strong>Viega ProPress&reg;</strong> — The industry&apos;s most widely approved press-fitting system for copper and stainless steel pipe. ProPress connections can be made wet or dry in seven seconds or less, across more than 2,500 approved applications. It is approved to more codes and standards than any competing press system, including IPC, UPC, and NSF.</li><li><strong>Viega MegaPress&reg;</strong> — The first press-fitting system designed for carbon and stainless steel pipe, covering sizes from 1/2&quot; to 4&quot;. MegaPress is a trusted solution for gas, hydronic heating and cooling, compressed air, fire protection, and industrial piping — all without messy cutting oils, exposed threads, or hot work.</li><li><strong>Viega PureFlow&reg;</strong> — A complete PEX-based potable water system featuring press fittings, valves, distribution manifolds, and tubing. PureFlow is the only PEX press system with Smart Connect technology, and its press-to-press transition fittings allow seamless connections from PEX to copper with a single tool.</li></ul><h3>Built for the Toughest Environments</h3><p>Viega&apos;s reach extends well beyond standard residential plumbing. In marine applications, Viega stands as the <em>only</em> press-fitting manufacturer with NAVSEA approval — meaning its fittings and valves are trusted aboard U.S. Navy vessels. The MegaPress CuNi system, crafted from copper-nickel alloy, is specifically engineered for the punishing conditions of marine environments, including cooling water, fuel lines, and fire suppression systems. Industrial users benefit from specialized variants like MegaPress 316 stainless steel, which handles everything from potable water to acids and chemical cleaning agents.</p><h3>Why Professionals Choose Viega</h3><p>Beyond the products themselves, Viega invests heavily in training, engineering support, and code compliance. The company has worked to get press technology written into more industry codes than any other manufacturer, and offers in-person training, live video workshops, and on-demand accredited courses to help installers master their systems. With manufacturing and distribution operations on U.S. soil and an ISO 9001 certified facility, Viega&apos;s commitment to quality is built into every fitting, valve, and length of tubing they produce.</p>