{"id":2739,"date":"2026-07-10T09:04:04","date_gmt":"2026-07-10T09:04:04","guid":{"rendered":"https:\/\/www.tgvalve.com\/?p=2739"},"modified":"2026-07-29T15:29:45","modified_gmt":"2026-07-29T15:29:45","slug":"check-valve-cracking-pressure-guide","status":"publish","type":"post","link":"https:\/\/www.tgvalve.com\/tr\/blog\/check-valve\/check-valve-cracking-pressure-guide\/","title":{"rendered":"\u00c7ek Valf A\u00e7ma Bas\u0131nc\u0131n\u0131 Anlamak"},"content":{"rendered":"

Geri d\u00f6n\u00fc\u015fs\u00fcz vanan\u0131n a\u00e7\u0131lma bas\u0131nc\u0131, geri d\u00f6n\u00fc\u015fs\u00fcz vana diskinin yuvas\u0131ndan kalkmas\u0131 ve ak\u0131\u015f\u0131n ba\u015flamas\u0131 i\u00e7in gereken minimum yukar\u0131 ak\u0131\u015f bas\u0131nc\u0131d\u0131r. Bu e\u015fi\u011fin alt\u0131nda, vana kapal\u0131 kal\u0131r. \u00dczerinde ise disk kalkar ve ak\u0131\u015f ge\u00e7er. Bu spesifikasyonun do\u011fru ayarlanmas\u0131, geri d\u00f6n\u00fc\u015fs\u00fcz vanan\u0131n gerekti\u011finde a\u00e7\u0131l\u0131p a\u00e7\u0131lmayaca\u011f\u0131n\u0131, gerekmedi\u011finde tamamen kapan\u0131p kapanmayaca\u011f\u0131n\u0131 ve sistemde gereksiz bas\u0131n\u00e7 kayb\u0131 yaratmadan geri ak\u0131\u015f\u0131 \u00f6nleyip \u00f6nlemeyece\u011fini belirler.<\/p>\n\n\n\n

\u00c7atlama Bas\u0131nc\u0131 Nedir?<\/h2>\n\n\n\n
\"\u00c7atlama<\/figure>\n\n\n\n

\u00c7ek valfin a\u00e7\u0131lma bas\u0131nc\u0131, \u00e7al\u0131\u015fma bas\u0131nc\u0131yla ayn\u0131 \u015fey de\u011fildir. \u00c7al\u0131\u015fma bas\u0131nc\u0131, sistemin normal ak\u0131\u015f s\u0131ras\u0131nda \u00e7al\u0131\u015ft\u0131\u011f\u0131 bas\u0131n\u00e7t\u0131r. A\u00e7\u0131lma bas\u0131nc\u0131 ise, diskin yuvadan ilk kalkt\u0131\u011f\u0131 anda valf \u00fczerindeki bas\u0131n\u00e7 fark\u0131d\u0131r.<\/p>\n\n\n\n

1 PSI a\u00e7ma bas\u0131nc\u0131na sahip bir vana, ileri diferansiyel bas\u0131n\u00e7 1 PSI'ye ula\u015ft\u0131\u011f\u0131 anda a\u00e7\u0131l\u0131r. 5 PSI a\u00e7ma bas\u0131nc\u0131na sahip bir vana ise diferansiyel bas\u0131n\u00e7 5 PSI'ye ula\u015fana kadar kapal\u0131 kal\u0131r. Bu fark, vanan\u0131n d\u00fc\u015f\u00fck ak\u0131\u015f ve de\u011fi\u015fken ak\u0131\u015f ko\u015fullar\u0131nda nas\u0131l davrand\u0131\u011f\u0131n\u0131 belirler. Vana a\u00e7\u0131l\u0131\u015f\u0131ndaki diferansiyel bas\u0131n\u00e7, bu davran\u0131\u015f\u0131 tan\u0131mlayan m\u00fchendislik parametresidir ve vana tipleri ve tasar\u0131mlar\u0131 aras\u0131nda \u00f6nemli \u00f6l\u00e7\u00fcde de\u011fi\u015fiklik g\u00f6sterir.<\/p>\n\n\n\n

\u00c7atlama Bas\u0131nc\u0131n\u0131n Vana Se\u00e7imini Nas\u0131l Etkiledi\u011fi<\/h2>\n\n\n\n

\u00c7ok d\u00fc\u015f\u00fck bir a\u00e7ma bas\u0131nc\u0131, vanan\u0131n kapal\u0131 kalmas\u0131 gereken ko\u015fullar alt\u0131nda a\u00e7\u0131lmas\u0131na neden olur. Termal genle\u015fme, k\u00fc\u00e7\u00fck bas\u0131n\u00e7 dalgalanmalar\u0131 veya sistem titre\u015fimi, vanan\u0131n a\u00e7\u0131lmas\u0131na ve zamanla az miktarda geri ak\u0131\u015fa izin verebilir. \u00c7ok y\u00fcksek bir a\u00e7ma bas\u0131nc\u0131 ise vanan\u0131n ileri ak\u0131\u015fa a\u015f\u0131r\u0131 diren\u00e7 g\u00f6stermesine, sistem bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fcn\u00fc art\u0131rmas\u0131na ve ak\u0131\u015f verimlili\u011fini azaltmas\u0131na neden olur.<\/p>\n\n\n\n

M\u00fchendisler \u00e7ek valfleri belirlerken, a\u00e7ma bas\u0131nc\u0131 ile sistem bas\u0131n\u00e7 d\u00fc\u015f\u00fc\u015f\u00fc aras\u0131nda bir denge kurmak zorundad\u0131rlar. Pompa de\u015farj uygulamalar\u0131nda, a\u00e7ma bas\u0131nc\u0131n\u0131n pompa ba\u015flatma ge\u00e7i\u015fleri s\u0131ras\u0131nda ters ak\u0131\u015f\u0131 \u00f6nleyecek kadar y\u00fcksek, ancak pompan\u0131n \u00e7al\u0131\u015fma bas\u0131nc\u0131na \u00f6nemli bir diren\u00e7 eklemeyecek kadar d\u00fc\u015f\u00fck olmas\u0131 gerekir. Enstr\u00fcmantasyon ve numune alma hatlar\u0131nda ise, sistem bas\u0131n\u00e7 dengesini bozmadan do\u011fru ak\u0131\u015f \u00f6l\u00e7\u00fcm\u00fcne olanak sa\u011flamak i\u00e7in genellikle \u00e7ok d\u00fc\u015f\u00fck a\u00e7ma bas\u0131nc\u0131 gereklidir.<\/p>\n\n\n\n

Vana Tipine G\u00f6re Tipik A\u00e7ma Bas\u0131nc\u0131<\/h2>\n\n\n\n

Farkl\u0131 \u00e7ek valf tasar\u0131mlar\u0131, kapanma mekanizmalar\u0131na ba\u011fl\u0131 olarak farkl\u0131 a\u00e7ma bas\u0131nc\u0131 aral\u0131klar\u0131 \u00fcretir. A\u015fa\u011f\u0131daki tablo, spesifikasyon s\u0131ras\u0131nda referans olmas\u0131 i\u00e7in valf tipine g\u00f6re tipik a\u00e7ma bas\u0131nc\u0131 aral\u0131klar\u0131n\u0131 g\u00f6stermektedir.<\/p>\n\n\n\n

Vana Tipi<\/strong><\/td>Tipik \u00c7atlama Bas\u0131nc\u0131<\/strong><\/td>Notlar<\/strong><\/td><\/tr>
D\u00f6ner \u00e7ek valf<\/td>0,1 ila 0,5 PSI<\/td>Yer\u00e7ekimiyle kapanma, \u00e7ok d\u00fc\u015f\u00fck \u00e7atlama bas\u0131nc\u0131<\/td><\/tr>
E\u011fimli diskli \u00e7ek valf<\/td>0,2 ila 1,0 PSI<\/td>Ofset mente\u015fe, a\u00e7\u0131lma direncini azalt\u0131r.<\/td><\/tr>
yayl\u0131 \u00e7ek valf<\/td>0,5 ila 5,0 PSI<\/td>Yay sertli\u011fi \u00e7atlama bas\u0131nc\u0131n\u0131 belirler.<\/td><\/tr>
Kald\u0131rma \u00e7ek valfi<\/td>0,5 ila 3,0 PSI<\/td>K\u0131lavuzlu disk, orta d\u00fczeyde \u00e7atlama bas\u0131nc\u0131<\/td><\/tr>
Bilyal\u0131 \u00e7ek valf<\/td>0,5 ila 2,0 PSI<\/td>Top a\u011f\u0131rl\u0131\u011f\u0131na ve oturma yeri geometrisine ba\u011fl\u0131<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

D\u00f6ner \u00e7ek valfler<\/a> En d\u00fc\u015f\u00fck \u00e7atlama bas\u0131nc\u0131na sahiptirler \u00e7\u00fcnk\u00fc disk yaln\u0131zca yer\u00e7ekimi taraf\u0131ndan kapal\u0131 tutulur. Yay yoktur. \u00d6nemli bir mekanik diren\u00e7 yoktur. \u0130leri y\u00f6ndeki diferansiyel bas\u0131n\u00e7, diskin a\u011f\u0131rl\u0131\u011f\u0131n\u0131 ve oturma s\u00fcrt\u00fcnmesini a\u015ft\u0131\u011f\u0131 anda disk kalkar. Yayl\u0131 tasar\u0131mlar, yay oran\u0131 \u00fcretim s\u0131ras\u0131nda belirli uygulama gereksinimlerine uyacak \u015fekilde ayarlanabildi\u011fi i\u00e7in en geni\u015f \u00e7atlama bas\u0131nc\u0131 aral\u0131\u011f\u0131n\u0131 kapsar.<\/p>\n\n\n\n\n\n\n Kahraman \u00dcr\u00fcn \u00d6ne \u00c7\u0131kanlar\u0131<\/title>\n <style>\n \/* Added !important tags to prevent WordPress themes from injecting unwanted underlines *\/\n .hero-card, .hero-card:hover, .hero-card:focus {\n display: flex;\n flex-wrap: wrap;\n align-items: center;\n background: #f7f8fa;\n border-radius: 16px;\n box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n padding: 24px;\n max-width: 900px;\n margin: 40px auto;\n font-family: 'Poppins', Arial, sans-serif;\n text-decoration: none !important; \n color: inherit;\n }\n\n .hero-image {\n width: 220px;\n height: auto;\n border-radius: 12px;\n object-fit: cover;\n flex-shrink: 0;\n }\n\n .hero-content {\n padding-left: 24px;\n flex: 1;\n min-width: 260px;\n }\n\n .hero-title {\n font-size: 1.6rem;\n font-weight: bold;\n margin-bottom: 12px;\n color: #222;\n font-family: 'Poppins', sans-serif; \n }\n\n .hero-description {\n font-size: 1rem;\n color: #555;\n margin-bottom: 18px;\n line-height: 1.6;\n }\n\n .hero-link {\n display: inline-block;\n padding: 10px 20px;\n background-color: #0066cc;\n color: #fff !important;\n text-decoration: none !important;\n border-radius: 8px;\n font-weight: bold;\n transition: background 0.2s ease-in-out;\n }\n\n .hero-link:hover {\n background-color: #004c99;\n }\n\n @media (max-width: 640px) {\n .hero-card {\n flex-direction: column;\n text-align: center;\n }\n\n .hero-content {\n padding-left: 0;\n padding-top: 20px;\n }\n\n .hero-image {\n width: 100%;\n max-width: 280px;\n }\n }\n <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.tgvalve.com\/tr\/product\/full-port-double-flange-swing-check-valve\/\" target=\"_blank\">\n <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/tgvalve.b-cdn.net\/wp-content\/uploads\/2025\/06\/Swing-check-valve-1.jpg\" alt=\"Tam Portlu \u00c7ift Flan\u015fl\u0131 Sal\u0131n\u0131ml\u0131 Kontrol Vanas\u0131\">\n <div class=\"hero-content\">\n <div class=\"hero-title\">Tam Portlu \u00c7ift Flan\u015fl\u0131 Sal\u0131n\u0131ml\u0131 Kontrol Vanas\u0131<\/div>\n <div class=\"hero-description\">\n <strong>Tasar\u0131m ve \u00dcretim Standartlar\u0131:<\/strong> API 6D\/API 594\/ASME B16.34\/BS 1868<br>\n <strong>Bas\u0131n\u00e7 S\u0131n\u0131f\u0131:<\/strong> SINIF 150-SINIF 2500 (PN10-PN420)\n <\/div>\n <span class=\"hero-link\">\u00dcr\u00fcn\u00fc G\u00f6r\u00fcnt\u00fcle<\/span>\n <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\">Do\u011fru \u00e7atlama bas\u0131nc\u0131 nas\u0131l belirlenir?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u00e7ma bas\u0131nc\u0131 spesifikasyonu, sistemin \u00e7ek valf konumundaki minimum \u00e7al\u0131\u015fma diferansiyel bas\u0131nc\u0131yla ba\u015flar. Bu, taban bas\u0131n\u00e7t\u0131r. A\u00e7ma bas\u0131nc\u0131 bu taban bas\u0131nc\u0131n alt\u0131nda olmal\u0131d\u0131r, aksi takdirde valf d\u00fc\u015f\u00fck ak\u0131\u015f ko\u015fullar\u0131nda g\u00fcvenilir bir \u015fekilde a\u00e7\u0131lmaz.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c7ek valf i\u00e7in hangi a\u00e7ma bas\u0131nc\u0131n\u0131 belirtmeliyim?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sistem ak\u0131\u015f\u0131n\u0131n minimum oldu\u011fu durumlarda tamamen a\u00e7\u0131lacak kadar d\u00fc\u015f\u00fck, ancak sistemin \u00fcretti\u011fi maksimum ters bas\u0131nca kar\u015f\u0131 kapal\u0131 kalacak kadar y\u00fcksek bir a\u00e7ma bas\u0131nc\u0131 belirleyin. Pompalar kapal\u0131yken beklenen maksimum ters bas\u0131nc\u0131 veya termal genle\u015fme bas\u0131nc\u0131n\u0131 hesaplay\u0131n. Bu, tavan de\u011ferdir. A\u00e7ma bas\u0131nc\u0131, bu ko\u015fullar alt\u0131nda \u00e7ek valfin geri ak\u0131\u015f\u0131n\u0131 \u00f6nlemeli, ancak ileri ak\u0131\u015f\u0131 k\u0131s\u0131tlayacak kadar y\u00fcksek olmamal\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yayl\u0131 vanalar i\u00e7in a\u00e7ma bas\u0131nc\u0131 spesifikasyonu, yay oran\u0131 se\u00e7imi \u00fcreticinin belirli bir a\u00e7ma bas\u0131nc\u0131 hedefine ula\u015fmas\u0131n\u0131 sa\u011flad\u0131\u011f\u0131 i\u00e7in en fazla kontrol\u00fc sunar. Sal\u0131n\u0131ml\u0131 \u00e7ek valf ve e\u011fimli disk tasar\u0131mlar\u0131 daha az ayarlanabilir. A\u00e7ma bas\u0131nc\u0131, belirli bir delik \u00e7ap\u0131 i\u00e7in b\u00fcy\u00fck \u00f6l\u00e7\u00fcde disk a\u011f\u0131rl\u0131\u011f\u0131 ve geometrisi taraf\u0131ndan belirlenir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CTGV, enerji \u00fcretimi, petrol ve gaz ve kimyasal i\u015fleme gibi kritik uygulamalar i\u00e7in, ANSI S\u0131n\u0131f 150'den 4500'e kadar bas\u0131n\u00e7 s\u0131n\u0131flar\u0131nda belgelenmi\u015f \u00e7ek valf a\u00e7ma bas\u0131nc\u0131 de\u011ferlerine sahip kald\u0131rma tipi \u00e7ek valfler ve sal\u0131n\u0131m tipi \u00e7ek valfler \u00fcretmektedir. Malzeme se\u00e7enekleri aras\u0131nda karbon \u00e7elik, 316 paslanmaz \u00e7elik ve a\u015f\u0131nd\u0131r\u0131c\u0131 ortamlara uygun tam ala\u015f\u0131m yelpazesi bulunmaktad\u0131r. <a href=\"https:\/\/www.tgvalve.com\/tr\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0130leti\u015fime ge\u00e7in<\/a> ve 2 saat i\u00e7inde teknik bir \u00f6neri alacaks\u0131n\u0131z.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u0131k\u00e7a Sorulan Sorular<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c7ek valfin a\u00e7\u0131lma bas\u0131nc\u0131 nas\u0131l belirlenir?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yukar\u0131 y\u00f6nde artan bas\u0131n\u00e7 uygularken a\u015fa\u011f\u0131 y\u00f6ndeki ak\u0131\u015f\u0131 izleyin. Ak\u0131\u015f\u0131n ilk ba\u015flad\u0131\u011f\u0131 bas\u0131n\u00e7, \u00e7atlama bas\u0131nc\u0131d\u0131r. \u00dcreticiler ayr\u0131ca, standart ko\u015fullarda su ile yap\u0131lan tezgah testlerine dayanarak veri sayfalar\u0131nda \u00e7atlama bas\u0131nc\u0131 \u00f6zelliklerini de belirtirler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c7ek valfin a\u00e7\u0131lma bas\u0131nc\u0131 nedir?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Diskin yuvas\u0131ndan kalkmas\u0131 ve ak\u0131\u015f\u0131n ba\u015flamas\u0131 i\u00e7in gereken minimum yukar\u0131 ak\u0131\u015f diferansiyel bas\u0131nc\u0131. Valf tipine g\u00f6re de\u011fi\u015fir. Sal\u0131ncakl\u0131 \u00e7ek valfler tipik olarak 0,1 ila 0,5 PSI'da a\u00e7\u0131l\u0131r. Yayl\u0131 tasar\u0131mlar, yay sertli\u011fi se\u00e7imine ba\u011fl\u0131 olarak 0,5 ila 5,0 PSI aras\u0131nda de\u011fi\u015fir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1 psi \u00e7atlama bas\u0131nc\u0131 nedir?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">1 PSI a\u00e7\u0131lma bas\u0131nc\u0131na sahip bir vana, yukar\u0131 ak\u0131\u015f bas\u0131nc\u0131 a\u015fa\u011f\u0131 ak\u0131\u015f bas\u0131nc\u0131n\u0131 1 PSI a\u015ft\u0131\u011f\u0131nda a\u00e7\u0131l\u0131r. Bu fark\u0131n alt\u0131nda kapal\u0131 kal\u0131r. Belirli bir a\u00e7\u0131lma e\u015fi\u011finin gerekli oldu\u011fu pompa de\u015farj\u0131 ve enstr\u00fcmantasyon uygulamalar\u0131nda yayl\u0131 \u00e7ek valflerde yayg\u0131nd\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c7atlama i\u00e7in gereken bas\u0131n\u00e7 nedir?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Valf tipine, disk a\u011f\u0131rl\u0131\u011f\u0131na, varsa yay oran\u0131na ve minimum ileri diferansiyel bas\u0131nca ba\u011fl\u0131d\u0131r. A\u00e7ma bas\u0131nc\u0131n\u0131, minimum ak\u0131\u015fta a\u00e7\u0131lacak kadar d\u00fc\u015f\u00fck, ancak sistemdeki maksimum ters bas\u0131n\u00e7 ko\u015fullar\u0131nda geri ak\u0131\u015f\u0131 \u00f6nleyecek kadar y\u00fcksek olarak belirtin.<\/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\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.tgvalve.com\/tr\/contact\/\" style=\"background-color:#1b4ca2\" target=\"_blank\" rel=\"noreferrer noopener\">\u00dccretsiz Teklif Al\u0131n<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Check valve cracking pressure is the minimum upstream pressure required to open a check valve disc off its seat and allow flow to begin. Below that<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":2741,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-2739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-check-valve"],"_links":{"self":[{"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/posts\/2739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/comments?post=2739"}],"version-history":[{"count":3,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/posts\/2739\/revisions"}],"predecessor-version":[{"id":2744,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/posts\/2739\/revisions\/2744"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/media\/2741"}],"wp:attachment":[{"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/media?parent=2739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/categories?post=2739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tgvalve.com\/tr\/wp-json\/wp\/v2\/tags?post=2739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}