{"id":44103,"date":"2026-07-25T18:58:20","date_gmt":"2026-07-25T18:58:20","guid":{"rendered":"https:\/\/valve-atlas.com\/2026\/07\/25\/lng-bunkering-valves-requirements\/"},"modified":"2026-07-25T18:58:20","modified_gmt":"2026-07-25T18:58:20","slug":"lng-bunkering-valves-requirements","status":"publish","type":"post","link":"https:\/\/valve-atlas.com\/fr_ca\/2026\/07\/25\/lng-bunkering-valves-requirements\/","title":{"rendered":"Vannes de soutage de GNL\u00a0: exigences cryog\u00e9niques, de s\u00e9curit\u00e9 incendie et de protection contre les arr\u00eats d\u2019urgence"},"content":{"rendered":"<p>LNG bunkering &mdash; fueling ships with liquefied natural gas &mdash; has grown from a niche to standard practice in major ports, and small-scale LNG distribution is following the same curve. The valve requirements sit at the intersection of cryogenic engineering and marine safety rules.<\/p>\n<h2>Where Valves Sit in a Bunkering Chain<\/h2>\n<p>Shore tank &rarr; transfer pumps &rarr; bunkering manifold &rarr; hose\/arm with breakaway coupling &rarr; ship manifold &rarr; vessel tanks. Each interface needs isolation, check and emergency shutdown (ESD) functions rated for &minus;162&nbsp;&deg;C service.<\/p>\n<h2>The Non-Negotiables<\/h2>\n<ul>\n<li><strong>BS 6364 \/ ISO 28921 cryogenic type testing<\/strong> with extended bonnets &mdash; the baseline for every valve touching LNG. Details in our <a href=\"\/2026\/07\/25\/cryogenic-valves-lng-bs-6364-guide\/\">cryogenic buyer&rsquo;s guide<\/a>.<\/li>\n<li><strong>Fire-safe design<\/strong> (API 607 \/ ISO 10497) &mdash; LNG is a Group 1 fluid; a fire must not turn a valve into a leak path. See <a href=\"\/api-607-fire-safe-ball-valves\/\">fire-safe ball valves<\/a>.<\/li>\n<li><strong>ESD compatibility<\/strong>: pneumatic spring-return or electric fail-safe actuation with defined stroke times &mdash; our <a href=\"\/valve-actuators-automation\/\">actuation packages<\/a> cover both.<\/li>\n<li><strong>Marine class rules<\/strong>: IGF Code for the ship side, IACS class approvals, and ISO 20519 for the bunkering interface itself.<\/li>\n<\/ul>\n<h2>Typical Valve Selection<\/h2>\n<table>\n<tr>\n<th>Location<\/th>\n<th>Typical choice<\/th>\n<\/tr>\n<tr>\n<td>Tank isolation<\/td>\n<td>Cryogenic triple-offset butterfly or top-entry ball<\/td>\n<\/tr>\n<tr>\n<td>Manifold isolation<\/td>\n<td>Cryogenic ball, extended bonnet, fire-safe<\/td>\n<\/tr>\n<tr>\n<td>ESD<\/td>\n<td>Actuated cryogenic ball, spring-return<\/td>\n<\/tr>\n<tr>\n<td>Vapor return<\/td>\n<td>Cryogenic butterfly<\/td>\n<\/tr>\n<tr>\n<td>Drain\/vent small bore<\/td>\n<td>Cryogenic globe per API 602 execution<\/td>\n<\/tr>\n<\/table>\n<h2>Foire aux questions<\/h2>\n<h3>Why do bunkering specs demand helium seat tests?<\/h3>\n<p>Ambient water\/air tests say little about tightness at &minus;162&nbsp;&deg;C; helium at cryogenic temperature is the only meaningful acceptance for this service.<\/p>\n<h3>Are these projects brand-restricted?<\/h3>\n<p>Usually specified by standard and class approval rather than brand &mdash; which suits our brand-agnostic, spec-driven supply model.<\/p>\n<p><em>Working on an LNG bunkering, satellite station or small-scale LNG project in Canada, Europe or T&uuml;rkiye? <a href=\"\/contact\/\">Send us the valve list<\/a>.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>LNG bunkering &mdash; fueling ships with liquefied natural gas &mdash; has grown from a niche to standard practice in major ports, and small-scale LNG distribution is following the same curve. The valve requirements sit at the intersection of cryogenic engineering and marine safety rules. Where Valves Sit in a Bunkering Chain Shore tank &rarr; transfer&hellip;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"iawp_total_views":0,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-44103","post","type-post","status-publish","format-standard","hentry","category-industry","category-21","description-off"],"acf":[],"_links":{"self":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/posts\/44103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/comments?post=44103"}],"version-history":[{"count":0,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/posts\/44103\/revisions"}],"wp:attachment":[{"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/media?parent=44103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/categories?post=44103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/valve-atlas.com\/fr_ca\/wp-json\/wp\/v2\/tags?post=44103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}