{"id":6667,"date":"2026-07-03T19:25:13","date_gmt":"2026-07-03T11:25:13","guid":{"rendered":"https:\/\/www.onerovalve.com\/?p=6667"},"modified":"2026-07-06T16:31:47","modified_gmt":"2026-07-06T08:31:47","slug":"trunnion-ball-valves-indonesia-gas-pipeline","status":"publish","type":"post","link":"https:\/\/www.onerovalve.com\/it\/blog\/trunnion-ball-valves-indonesia-gas-pipeline\/","title":{"rendered":"Valvole a sfera con perno per gasdotti a lunga distanza in Indonesia"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4-1200x628.webp\" alt=\"\" class=\"wp-image-6668\" srcset=\"https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4-1200x628.webp 1200w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4-500x262.webp 500w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4-300x157.webp 300w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4-768x402.webp 768w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4-18x9.webp 18w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4-143x75.webp 143w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4-480x251.webp 480w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4-800x419.webp 800w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image4-4.webp 1213w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;installazione di una valvola a sfera a perno ad alte prestazioni \u00e8 la decisione tecnica pi\u00f9 critica per garantire l&#039;integrit\u00e0 meccanica delle reti di trasmissione del gas naturale a lunga distanza dell&#039;Indonesia. Negli asset midstream ad alta pressione, questi componenti fungono da barriera di sicurezza primaria su centinaia di chilometri di terreno tropicale accidentato. L&#039;utilizzo di hardware collaudato sul campo da un produttore qualificato come<a href=\"https:\/\/www.onerovalve.com\/it\/products\/\" target=\"_blank\" rel=\"noreferrer noopener\"> ONERO<\/a> Contribuisce a migliorare l&#039;affidabilit\u00e0 e la sicurezza operativa in questi corridoi energetici isolati.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Durante i progetti di trasmissione del gas nel sud-est asiatico, il nostro team di ingegneri ha osservato che un corretto allineamento durante la fase di installazione \u00e8 fondamentale per prevenire la deformazione del corpo e le perdite premature. La valvola e la tubazione adiacente devono essere adeguatamente supportate e allineate per evitare che le sollecitazioni della flangia compromettano l&#039;integrit\u00e0 della tenuta prima che il sistema entri in funzione. Una corretta messa in servizio in questi ambienti garantisce che un <a href=\"https:\/\/www.onerovalve.com\/it\/global-ball-valve-projects-for-the-oil-gas-industry\/\" type=\"link\" id=\"https:\/\/www.onerovalve.com\/global-ball-valve-projects-for-the-oil-gas-industry\/\" target=\"_blank\" rel=\"noreferrer noopener\">valvola della condotta del gas naturale<\/a> Fornisce una garanzia di sicurezza infallibile per il controllo del flusso a lungo termine.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>L&#039;Indonesia espande la sua rete di gasdotti.<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;Indonesia sta rapidamente ampliando le proprie infrastrutture per collegare i giacimenti offshore nel Mare di Natuna con i centri industriali di Giava e Sumatra. Queste vaste reti richiedono soluzioni di controllo del flusso robuste, in grado di sostenere elevati volumi di trasporto senza frequenti interruzioni per manutenzione. Con 38 anni di esperienza nella produzione, ONERO fornisce soluzioni di controllo del flusso di precisione, progettate per le applicazioni pi\u00f9 esigenti nel trasporto di gas naturale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Sfide nella trasmissione del gas a lunga distanza<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Il trasporto di gas su distanze di diverse centinaia di chilometri comporta la gestione di cali di pressione estremi e fattori ambientali corrosivi. Nelle regioni costiere indonesiane, l&#039;elevata salinit\u00e0 dell&#039;aria pu\u00f2 degradare le carrozzerie standard in acciaio al carbonio se non adeguatamente trattate. <a href=\"https:\/\/www.onerovalve.com\/it\/research-and-development\/\" type=\"link\" id=\"https:\/\/www.onerovalve.com\/research-and-development\/\" target=\"_blank\" rel=\"noreferrer noopener\">Il nostro team di ricerca e sviluppo<\/a> ha scoperto che i trattamenti superficiali avanzati sono essenziali per prevenire la corrosione esterna che pu\u00f2 compromettere la tenuta dello stelo nelle stazioni isolate nella giungla.<\/p>\n\n\n\n<!DOCTYPE html>\r\n<html lang=\"en\">\r\n<head>\r\n  \r\n  <title>Prodotto di punta in evidenza<\/title>\r\n  <style>\r\n    \/* Added !important tags to prevent WordPress theme interference *\/\r\n    .hero-card, .hero-card:hover, .hero-card:focus {\r\n      display: flex;\r\n      flex-wrap: wrap;\r\n      align-items: center;\r\n      padding: 24px;\r\n      max-width: 900px;\r\n      margin: 40px auto;\r\n      font-family: 'Poppins', Arial, sans-serif;\r\n      text-decoration: none !important;\r\n      color: inherit;\r\n\r\n      \/* \u2014\u2014 Neumorphism \u5185\u51f9 \u2014\u2014 *\/\r\n      background: #f7f8fa;\r\n      border-radius: 16px;\r\n      border: 1px solid #e5e7eb;\r\n      box-shadow:\r\n        inset 6px 6px 12px rgba(0,0,0,0.08),\r\n        inset -6px -6px 12px rgba(255,255,255,0.9);\r\n\r\n      transition: all 0.3s ease; \r\n    }\r\n\r\n    .hero-card:hover {\r\n      box-shadow:\r\n        0 8px 20px rgba(0,0,0,0.12),\r\n        0 4px 8px rgba(0,0,0,0.06);\r\n      transform: translateY(-4px);\r\n    }\r\n\r\n    .hero-image {\r\n      width: 220px;\r\n      height: auto;\r\n      border-radius: 12px;\r\n      object-fit: cover;\r\n      flex-shrink: 0;\r\n      transition: transform 0.3s ease; \r\n    }\r\n\r\n    .hero-card:hover .hero-image {\r\n      transform: scale(1.03);\r\n    }\r\n\r\n    .hero-content {\r\n      padding-left: 24px;\r\n      flex: 1;\r\n      min-width: 260px;\r\n      transition: transform 0.3s ease;\r\n    }\r\n\r\n    .hero-title {\r\n      font-size: 1.6rem;\r\n      font-weight: 600;\r\n      margin-bottom: 12px;\r\n      color: #222;\r\n    }\r\n\r\n    .hero-description {\r\n      font-size: 1rem;\r\n      color: #555;\r\n      margin-bottom: 18px;\r\n      font-weight: 400;\r\n      line-height: 1.6;\r\n    }\r\n\r\n    .hero-link {\r\n      display: inline-block;\r\n      padding: 10px 20px;\r\n      background-color: #1569AE; \/* \u9002\u914d\u4e86\u9600\u95e8\u54c1\u724c\u7684\u4e3b\u9898\u84dd *\/\r\n      color: #fff !important;\r\n      text-decoration: none !important;\r\n      border-radius: 8px;\r\n      font-weight: 600;\r\n      transition: background 0.2s ease-in-out;\r\n    }\r\n\r\n    .hero-link:hover {\r\n      background-color: #125a96;\r\n    }\r\n\r\n    @media (max-width: 640px) {\r\n      .hero-card {\r\n        flex-direction: column;\r\n        text-align: center;\r\n      }\r\n\r\n      .hero-content {\r\n        padding-left: 0;\r\n        padding-top: 20px;\r\n      }\r\n\r\n      .hero-image {\r\n        width: 100%;\r\n        max-width: 280px;\r\n      }\r\n    }\r\n  <\/style>\r\n<\/head>\r\n<body>\r\n\r\n<a class=\"hero-card\" href=\"https:\/\/www.onerovalve.com\/it\/product\/trunnion-ball-valve\/\" target=\"_blank\">\r\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/onerovalve.b-cdn.net\/wp-content\/uploads\/2024\/08\/Web-1920-%E2%80%93-9.jpg\" alt=\"Valvola a sfera Trunnion\">\r\n  \r\n  <div class=\"hero-content\">\r\n    <div class=\"hero-title\">Valvola a sfera Trunnion<\/div>\r\n\r\n    <div class=\"hero-description\">\r\n      <strong>Misurare:<\/strong> 2\u2033~48\u2033<br>\r\n      <strong>Pressione:<\/strong> 150 libbre-2500 libbre<br>\r\n      <strong>Temperatura applicabile:<\/strong> -196~350\u2103\r\n    <\/div>\r\n\r\n    <span class=\"hero-link\">Visualizza prodotto<\/span>\r\n  <\/div>\r\n<\/a>\r\n\r\n<\/body>\r\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Perch\u00e9 le valvole a sfera con perno di supporto sono preferite<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nelle condotte di trasmissione ad alta pressione, le valvole a sfera con perno di supporto offrono vantaggi significativi rispetto alle valvole a sfera flottanti.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"630\" src=\"https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2-1200x630.webp\" alt=\"\" class=\"wp-image-6669\" srcset=\"https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2-1200x630.webp 1200w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2-500x262.webp 500w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2-300x157.webp 300w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2-768x403.webp 768w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2-18x9.webp 18w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2-143x75.webp 143w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2-480x252.webp 480w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2-800x420.webp 800w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image3-2.webp 1212w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Nelle condotte di trasmissione ad alta pressione di grande diametro, la valvola a sfera con perno di supporto \u00e8 lo standard del settore perch\u00e9 la sfera \u00e8 supportata da cuscinetti fissi anzich\u00e9 essere flottante rispetto alle sedi. Questa configurazione riduce significativamente la coppia di azionamento, consentendo l&#039;utilizzo di attuatori pi\u00f9 piccoli ed economici nelle stazioni di compressione remote. Tale stabilit\u00e0 garantisce che le sedi mantengano un contatto costante con la sfera, fornendo una tenuta affidabile anche durante i rapidi cicli di pressione tipici del trasporto del gas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Caratteristiche principali del design<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La sicurezza operativa negli impianti di trasporto e distribuzione dipende dalla capacit\u00e0 di verificare l&#039;isolamento tramite una configurazione a doppia valvola di blocco e sfiato. Per mantenere l&#039;efficienza del flusso, si preferisce una valvola a sfera a passaggio totale, in quanto si adatta al diametro interno del tubo, minimizzando la turbolenza. Questa geometria interna \u00e8 inoltre fondamentale per mantenere l&#039;efficienza della linea, consentendo alle squadre di manutenzione di far passare gli strumenti di ispezione attraverso il sistema senza ostacolare le operazioni.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Requisiti API 6D per le valvole delle condotte<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nel settore industriale B2B, la conformit\u00e0 con la<a href=\"https:\/\/www.api.org\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Istituto Americano del Petrolio (API)<\/a> Lo standard 6D rappresenta il punto di riferimento per la sicurezza e la qualit\u00e0. Una valvola a sfera API 6D viene sottoposta a rigorosi test, inclusi test del corpo e della sede a 1,5 e 1,1 volte la pressione nominale. Noi di ONERO integriamo questi standard internazionali con il rilevamento delle perdite tramite spettrometro di massa all&#039;elio e l&#039;analisi spettrale per garantire che i requisiti di assenza di perdite siano soddisfatti prima che l&#039;hardware raggiunga il campo di applicazione.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Selezione delle valvole in base al diametro della tubazione e alla classe di pressione<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La selezione di una valvola a sfera ad alta pressione implica l&#039;abbinamento del materiale del corpo, come ad esempio l&#039;A352-LCB per la resistenza alle basse temperature, al profilo di compressione specifico della stazione. I progetti indonesiani tipici utilizzano dimensioni da 2\u2033 a 48\u2033 con pressioni nominali comprese tra 150LB e 2500LB. Utilizzando un sistema specializzato<a href=\"https:\/\/www.onerovalve.com\/it\/product\/trunnion-ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\"> valvola a sfera a trunnion<\/a> La nichelatura chimica (ENP) delle parti interne \u00e8 una pratica comune sul campo per impedire che la sfera si attacchi a causa di particelle fini presenti nelle tubature.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Pressioni di prova tipiche per le classi di pressione ASME<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Pressione nominale<\/strong><\/th><th><strong>Prova del guscio (MPa)<\/strong><\/th><th><strong>Prova di tenuta idraulica (MPa)<\/strong><\/th><th><strong>Prova di tenuta all&#039;aria (MPa)<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>150 libbre<\/strong><\/td><td>3.0<\/td><td>2.2<\/td><td>0.6<\/td><\/tr><tr><td><strong>300 libbre<\/strong><\/td><td>7.7<\/td><td>5.7<\/td><td>0.6<\/td><\/tr><tr><td><strong>600 libbre<\/strong><\/td><td>15.4<\/td><td>11.3<\/td><td>0.6<\/td><\/tr><tr><td><strong>900 libbre<\/strong><\/td><td>23.0<\/td><td>16.9<\/td><td>0.6<\/td><\/tr><tr><td><strong>1500 libbre<\/strong><\/td><td>38.3<\/td><td>28.1<\/td><td>0.6<\/td><\/tr><tr><td><strong>2500 libbre<\/strong><\/td><td>63.9<\/td><td>46.9<\/td><td>0.6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1170\" height=\"659\" src=\"https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image2-7.webp\" alt=\"\" class=\"wp-image-6670\" srcset=\"https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image2-7.webp 1170w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image2-7-500x282.webp 500w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image2-7-300x169.webp 300w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image2-7-768x433.webp 768w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image2-7-18x10.webp 18w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image2-7-133x75.webp 133w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image2-7-480x270.webp 480w, https:\/\/www.onerovalve.com\/wp-content\/uploads\/2026\/07\/image2-7-800x451.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:1170px) 100vw, 1170px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Considerazioni sulla manutenzione<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ogni valvola a sfera per condotte deve essere ispezionata periodicamente per verificarne l&#039;integrit\u00e0 della guarnizione dello stelo, le prestazioni dell&#039;attuatore e l&#039;assenza di perdite dalla sede, al fine di garantire un isolamento affidabile per tutta la sua durata. Il problema pi\u00f9 frequente che riscontriamo \u00e8 l&#039;erosione della sede causata da detriti di costruzione rimasti nella condotta durante la fase di collaudo. Per le unit\u00e0 dotate di raccordi per l&#039;iniezione di sigillante, \u00e8 possibile iniettare un sigillante di emergenza nella sede per ridurre temporaneamente le perdite fino al completamento delle riparazioni definitive.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><a href=\"https:\/\/www.onerovalve.com\/it\/download\/\" type=\"link\" id=\"https:\/\/www.onerovalve.com\/download\/\" target=\"_blank\" rel=\"noreferrer noopener\">Guida alla selezione<\/a> per progetti di gasdotti<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gli appaltatori dovrebbero dare priorit\u00e0 ai produttori che offrono la completa tracciabilit\u00e0 dei materiali, la documentazione dei test API 6D e una capacit\u00e0 produttiva sufficiente a supportare grandi progetti EPC di gasdotti. Il nostro stabilimento di 18.000 m\u00b2 produce oltre 1 milione di unit\u00e0 all&#039;anno utilizzando 150 torni CNC e 13 robot a sei assi per garantire la precisione dimensionale. Verificare sempre che la valvola di intercettazione del gasdotto sia dotata di certificazione di resistenza al fuoco API 607 per garantire che mantenga la capacit\u00e0 di intercettazione durante un evento termico.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusione<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le prestazioni a lungo termine della rete del gas indonesiana dipendono dall&#039;affidabilit\u00e0 di ogni valvola a sfera a perno installata nelle sue stazioni remote. Dando priorit\u00e0 alla conformit\u00e0 API 6D e alla selezione di materiali robusti, gli operatori possono garantire un&#039;elevata efficienza e sicurezza del flusso di lavoro per decenni. Affidarsi ai 38 anni di esperienza produttiva di ONERO consente agli ingegneri di affrontare la messa in servizio con la certezza che i loro sistemi di controllo del flusso siano costruiti per resistere alle sollecitazioni del campo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Domande frequenti<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Quali sono le caratteristiche di una valvola a sfera imbullabile per l&#039;utilizzo in fase di estrazione mineraria?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Una valvola imbullonata presenta un design a passaggio pieno in cui il diametro interno corrisponde a quello del tubo, consentendo ai &quot;pig&quot; di manutenzione di passare per la pulizia e l&#039;ispezione senza ostruzioni.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Come si individua una perdita di tenuta nella sede di una valvola di una conduttura del gas?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">I tecnici devono controllare la porta di sfiato della cavit\u00e0; se il gas continua a fuoriuscire, \u00e8 probabile che le sedi siano danneggiate e, nel caso di una valvola di isolamento della condotta con raccordi adeguati, \u00e8 possibile iniettare un sigillante di emergenza per ripristinare temporaneamente la tenuta.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-extra-small-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.onerovalve.com\/it\/contact\/\" style=\"border-radius:100px;background-color:#2196f3\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><strong>Richiedi un preventivo<\/strong><\/strong><\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Deploying a high-performance trunnion ball valve is the most critical technical decision for ensuring the mechanical integrity of Indonesia\u2019s long-distance natural gas transmission networks. In high-pressure<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":6668,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6667","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Trunnion Ball Valves for Indonesia Natural Gas Pipelines | ONERO<\/title>\n<meta name=\"description\" content=\"API 6D trunnion ball valves for Indonesia natural gas pipelines. Full bore, DBB, piggable designs, fire-safe certification, and proven midstream reliability.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.onerovalve.com\/it\/blog\/trunnion-ball-valves-indonesia-gas-pipeline\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trunnion Ball Valves for Indonesia Natural Gas Pipelines | ONERO\" \/>\n<meta property=\"og:description\" content=\"API 6D trunnion ball valves for Indonesia natural gas pipelines. 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