{"id":1938,"date":"2026-04-21T19:56:45","date_gmt":"2026-04-21T17:56:45","guid":{"rendered":"https:\/\/hse-armaturen.de\/which-fitting-is-suitable-for-gas-orientation-for-the-practice\/"},"modified":"2026-04-21T19:56:45","modified_gmt":"2026-04-21T17:56:45","slug":"which-fitting-is-suitable-for-gas-orientation-for-the-practice","status":"publish","type":"post","link":"https:\/\/hse-armaturen.de\/en\/which-fitting-is-suitable-for-gas-orientation-for-the-practice\/","title":{"rendered":"Which fitting is suitable for gas? Orientation for the practice"},"content":{"rendered":"

Gas and fittings: why the choice allows no compromises<\/h2>\n

A clear principle applies to gas installations: only use fittings that are expressly approved for gas. If you use a fitting that is only approved for water or heating, in the best case you risk failing to pass approval by the network operator, and in the worst case you risk a safety-critical installation. The differences between gas and other fittings are not always apparent at first glance, but they are technically significant. <\/p>\n

What distinguishes a gas fitting from other fittings<\/h2>\n

Gas ball valves must be manufactured and tested in accordance with DIN-EN 331. This standard specifies the requirements for shut-off valves for gas installations in buildings, including tightness, pressure resistance, actuating force and long-term properties. Valves that comply with this standard are marked accordingly. <\/p>\n

HSE gas ball valves are made of brass CW 617 N and have the pressure rating MOP 5. MOP stands for Maximum Operating Pressure and indicates the maximum operating pressure that the valve can withstand permanently. MOP 5 is the usual requirement for domestic installations in the low-pressure range. <\/p>\n

Get more information now.<\/a><\/p><\/blockquote>\n

The UNIDUO: a fitting for water and gas<\/h2>\n

The UNIDUO ball valve<\/a> occupies a special position in the HSE range. It is one of the few ball valves on the market to have double DVGW approval for both water and gas. It is available in nominal sizes DN 8 to DN 50, has pressure ratings of PN 42\/35 for water and MOP 5 for gas and can also withstand thermal loads of up to 650 degrees Celsius for gas (HTB 0.1). This makes it a flexible solution in installation situations where both media occur in close proximity. <\/p>\n

Labeling and recognizability in practice<\/h2>\n

An approved gas fitting bears the corresponding marking on the housing or handle, including the standard reference DIN-EN 331 and the pressure rating. Anyone in doubt as to whether an existing fitting is suitable for gas should check the type plate or ask the manufacturer. As part of maintenance and renovation work, it also makes sense to proactively replace older fittings without clear identification. <\/p>\n

Model overviews and data sheets for the HSE gas ball valves are available in the download area<\/a>. There you will also find the technical drawings and application notes for the individual series. <\/p>\n

Typical misunderstandings in practice<\/h2>\n

A common misconception is that a ball valve that looks identical to a gas model can also be used for gas. This is not the case. The decisive factor is the documented approval, not the appearance. It should also be noted that valves for liquid gas (LPG) sometimes have to meet different requirements than those for natural gas. If in doubt, always check with the network operator or the responsible specialist company which requirements apply in the specific case. <\/p>\n

Conclusion: Gas fittings for practical use<\/h2>\n

There are no compromises when choosing fittings for gas installations. Only fittings manufactured in accordance with DIN-EN 331 and marked accordingly may be used. With its gas ball valves and the UNIDUO, HSE offers reliable solutions that meet the normative requirements and are designed for use in building services. <\/p>\n

If you have any questions about the right gas fitting for your application, we will be happy to help you. Contact us now.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Gas and fittings: why the choice allows no compromises A clear principle applies to gas installations: only use fittings that are expressly approved for gas. If you use a fitting that is only approved for water or heating, in the best case you risk failing to pass approval by the network operator, and in the […]<\/p>\n","protected":false},"author":2,"featured_media":1496,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74],"tags":[],"class_list":["post-1938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/posts\/1938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/comments?post=1938"}],"version-history":[{"count":0,"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/posts\/1938\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/media\/1496"}],"wp:attachment":[{"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/media?parent=1938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/categories?post=1938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hse-armaturen.de\/en\/wp-json\/wp\/v2\/tags?post=1938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}