{"id":16629,"date":"2021-03-22T22:09:40","date_gmt":"2021-03-22T20:09:40","guid":{"rendered":"http:\/\/petrozas.com\/test\/?page_id=16629"},"modified":"2021-03-30T14:29:03","modified_gmt":"2021-03-30T12:29:03","slug":"subsea-valves","status":"publish","type":"page","link":"https:\/\/www.petrozas.com\/index.php\/products\/valves-flow-control-products\/subsea-valves\/","title":{"rendered":"Subsea valves"},"content":{"rendered":"<p>[vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;grid&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221; padding_top=&#8221;94&#8243; padding_bottom=&#8221;40&#8243; anchor=&#8221;portfolio&#8221; background_color=&#8221;#f7f7f7&#8243;][vc_column][vc_column_text]Maverick Valves Manufacturing HQ manufactures complete integrated units of subsea valve, actuator and ROV receptacle\u00a0tool.<\/p>\n<p>With a very strong Quality Assurance and Engineering Dept., MVM HQ is able to design and manufacture the most specific and customized actuated valves according to the project\u00a0requirements.<\/p>\n<p>Subsea Valves and actuators are critical components of any offshore installation.<\/p>\n<p>Any subsea intervention is costly, time-consuming and extremely difficult, and any<\/p>\n<p>failure would result in loss of profit for the Operators and End Users.<\/p>\n<p><strong>Type of applications<\/strong><\/p>\n<ul>\n<li>Pipeline subsea valves<\/li>\n<li>Subsea Manifolds<\/li>\n<li>Line tees for future tie-ins<\/li>\n<li>Jacket flooding valves<\/li>\n<li>SSIV (Sub Sea Isolation Valves)<\/li>\n<li>PLEM ESDV and On\/Off Valves<\/li>\n<li>Semi-submersible Buoy and Turret<\/li>\n<\/ul>\n<p><strong>Type of valves used in subsea environments<\/strong><\/p>\n<p><strong>Ball Valves<\/strong><\/p>\n<ul>\n<li>Generally Piggable type, they are used normally in subsea pipeline<\/li>\n<li>Possibility of Seat design metal to metal with tungsten carbide coating.<\/li>\n<li>Corrosion Resistant Alloys on valve dynamic sealing parts and ring joint\u00a0grooves<\/li>\n<li>Redundant sealing, for increased reliability of the valve<\/li>\n<\/ul>\n<p><strong>Through Conduit Slab and Double Expanding Gate Valves<\/strong><\/p>\n<ul>\n<li>They are used normally in subsea manifolds or pipelines when there are\u00a0fluid mixes of liquid, gas, and sand.<\/li>\n<li>The valve design is suitable for a high percentage of sand or solid particles<\/li>\n<li>inside the fluid and very high pressure (normally above 5000 psi)<\/li>\n<li>Thanks to their Through Conduit Design, they are fully Piggable.<\/li>\n<li>Possibility of Seat design metal to metal with tungsten carbide coating.<\/li>\n<li>The Double Expanding Gate Valves are used when a DB&amp;B is required for\u00a0isolating the downstream cavity<\/li>\n<\/ul>\n<p><strong>Check Valves<\/strong><\/p>\n<ul>\n<li>Piggable type, they are used normally in subsea pipelines<\/li>\n<li>On request, they can be provided with Override Tool (ROV Operable) for\u00a0allowing Piggability of both sides<\/li>\n<li>The Valves are operated by the types indicated in \u201cTypes of Operators\u201d<\/li>\n<\/ul>\n<p><strong>Type of operators<\/strong><\/p>\n<p><em>Shallow water (normally down to 75 meters water depth)<\/em><\/p>\n<ul>\n<li>by Diver<\/li>\n<li>by ROV receptacle tool<\/li>\n<li>remotely by Hydraulic Actuators with or without ROV receptacle tool \/ Hand-wheel override<\/li>\n<\/ul>\n<p><em>Deep water (normally down to 3500 meters water depth)<\/em><\/p>\n<ul>\n<li>by ROV receptacle tool<\/li>\n<li>by Hydraulic actuators with or without ROV receptacle tool override in case of hydraulic failure<\/li>\n<\/ul>\n<p><strong>Main standards<\/strong><\/p>\n<ul>\n<li>API 17D\/ISO 13628-4 (Specification of subsea equipment and wellhead equipment)<\/li>\n<li>API 17A\/ ISO 13628-1 (Design and Operation of Subsea Production Systems)<\/li>\n<li>API 17H\/ ISO 13628-8 (Remotely Operated Vehicle (ROV) interfaces on subsea production systems)<\/li>\n<li>API 6DSS\/ISO 14723 (Specification on Subsea Pipeline Valve)<\/li>\n<li>ISO 10423 (drilling and production equipment)<\/li>\n<li>Norsok \u2013U-001 (subsea production system)<\/li>\n<li>Norsok \u2013 L-001 (piping and valves)<\/li>\n<li>Norsok \u2013 M-001 (material selection)<\/li>\n<\/ul>\n<p><strong>Testing<\/strong><\/p>\n<p>Subsea valves and actuators are tested and inspected in accordance with:<\/p>\n<ul>\n<li>ISO 10423<\/li>\n<li>API 6A (at PSL Level)<\/li>\n<\/ul>\n<p>Some other types of test (other than the standards for the above-surface valves and actuators) are:<\/p>\n<ul>\n<li>Gas testing according to API 6D \/ API 6A PSL 3G<\/li>\n<li>Performance verification test according to API 6A PR 2<\/li>\n<li>Hyperbaric testing<\/li>\n<li>Bending calculation and test<\/li>\n<li>Seismic test<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_empty_space][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;grid&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221; padding_top=&#8221;94&#8243; padding_bottom=&#8221;40&#8243; anchor=&#8221;portfolio&#8221; background_color=&#8221;#f7f7f7&#8243;][vc_column][vc_column_text]Maverick Valves Manufacturing HQ manufactures complete integrated units of subsea valve, actuator and ROV receptacle\u00a0tool. With a very strong Quality Assurance and Engineering Dept., MVM HQ is able to design and manufacture the most&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":16619,"menu_order":0,"comment_status":"open","ping_status":"open","template":"full_width.php","meta":{"footnotes":""},"class_list":["post-16629","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.petrozas.com\/index.php\/wp-json\/wp\/v2\/pages\/16629","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.petrozas.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.petrozas.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.petrozas.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.petrozas.com\/index.php\/wp-json\/wp\/v2\/comments?post=16629"}],"version-history":[{"count":2,"href":"https:\/\/www.petrozas.com\/index.php\/wp-json\/wp\/v2\/pages\/16629\/revisions"}],"predecessor-version":[{"id":16805,"href":"https:\/\/www.petrozas.com\/index.php\/wp-json\/wp\/v2\/pages\/16629\/revisions\/16805"}],"up":[{"embeddable":true,"href":"https:\/\/www.petrozas.com\/index.php\/wp-json\/wp\/v2\/pages\/16619"}],"wp:attachment":[{"href":"https:\/\/www.petrozas.com\/index.php\/wp-json\/wp\/v2\/media?parent=16629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}