{"id":4205,"date":"2018-12-07T16:54:38","date_gmt":"2018-12-07T16:54:38","guid":{"rendered":"https:\/\/www.stvvalves.com\/?post_type=product&#038;p=4205"},"modified":"2025-02-17T18:19:47","modified_gmt":"2025-02-17T10:19:47","slug":"forged-steel-bellows-gate-valve-300lb-large-female-flange","status":"publish","type":"product","link":"https:\/\/www.stvvalves.com\/ar\/products\/forged-steel-bellows-gate-valve-300lb-large-female-flange\/","title":{"rendered":"\u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0645\u0646\u0641\u0627\u062e \u0641\u0648\u0644\u0627\u0630\u064a \u0645\u0632\u0648\u0631\u0629 300 \u0631\u0637\u0644 \u0634\u0641\u0629 \u0623\u0646\u062b\u0649 \u0643\u0628\u064a\u0631\u0629"},"content":{"rendered":"<p>Our Services<br \/>\nPre-sale service:<br \/>\n1.We have full stock and can deliver within short time.<br \/>\n2.OEM and ODM order are accepted, Any kind of logo printing or design are available.<br \/>\n3.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.<br \/>\n4.All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.<br \/>\nAfter you choose:<br \/>\n1. We will count cheapest shipping cost and make invoice to you at once.<br \/>\n2. Check quality again, then send out to you at 1-2 working day after your payment<br \/>\n3. Email you the tracking no., and help to chase the parcels until it arrive you.<br \/>\nAfter-sale service:<br \/>\n1.We are very glad that customers give us some suggestion for price and products.<br \/>\n2.If you have any question,please contact us freely by E-mail or Telephone.<\/p>\n<p>&nbsp;<\/p>\n<p>What is a bellows sealed valve?<\/p>\n<p>A<span style=\"color: #000000;\">\u00a0<b>Bellow Sealed Valve<\/b>\u00a0is a industrial process\u00a0<b>valve<\/b>\u00a0designed to eliminate\u00a0<b>valve<\/b>\u00a0leakage and are also known as &#8216;Zero Leak\u00a0<b>Valve<\/b>&#8216; or &#8216;Emission Free\u00a0<b>Valve<\/b>. &#8230; A\u00a0<b>bellow<\/b>\u00a0is a long accordion-like tube. As the\u00a0<b>valve<\/b>\u00a0stem strokes, the\u00a0<b>bellow<\/b>\u00a0expands or compresses with the stroke movement..<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>Why bellow seal valves are used?<\/p>\n<p>The use of a<span style=\"color: #000000;\">\u00a0<b>bellows seal valve<\/b><\/span>\u00a0significantly reduces external leakage.<span style=\"color: #000000;\"> By covering the circumference of the\u00a0<b>valve<\/b>\u00a0stem with\u00a0<b>bellows<\/b>, leakage from the gland<\/span> components is reduced.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\"><b>How Do Bellows Seal Valves Work<\/b>? <\/span><\/p>\n<p><span style=\"color: #000000;\">These\u00a0<b>valves<\/b>\u00a0feature an accordion like\u00a0<b>bellows<\/b>\u2014i.e., the\u00a0<b>bellows<\/b>\u00a0cartridge component, welded to the\u00a0<b>valve<\/b>\u00a0stem and bonnet. During the\u00a0<b>valve<\/b>\u00a0stroke the\u00a0<b>bellows<\/b>\u00a0compress or expand along with the sliding stem&#8217;s linear motion with little to no friction.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"4\" width=\"637\"><span style=\"color: #000000;\"><strong><b>DN 15 &#8211; DN 50<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\" width=\"637\"><span style=\"color: #000000;\"><strong><b>150# \/ 300#<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"86\"><\/td>\n<td width=\"205\"><span style=\"color: #000000;\"><strong><b>C.S<\/b><\/strong><\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\"><strong><b>S.S<\/b><\/strong><\/span><\/td>\n<td width=\"165\"><span style=\"color: #000000;\"><strong><b>Low temp.<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"86\"><span style=\"color: #000000;\"><strong><b>T min.<\/b><\/strong><\/span><\/td>\n<td width=\"205\"><span style=\"color: #000000;\"><strong><b>-29\u00b0C<\/b><\/strong><\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\"><strong><b>-29\u00b0C<\/b><\/strong><\/span><\/td>\n<td width=\"165\"><span style=\"color: #000000;\"><strong><b>-29\u00b0C<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"86\"><span style=\"color: #000000;\"><strong><b>T max.<\/b><\/strong><\/span><\/td>\n<td width=\"205\"><span style=\"color: #000000;\"><strong><b>+425\u00b0C<\/b><\/strong><\/span><\/td>\n<td width=\"180\"><span style=\"color: #000000;\"><strong><b>+538\u00b0C<\/b><\/strong><\/span><\/td>\n<td width=\"165\"><span style=\"color: #000000;\"><strong><b>+425\u00b0C<\/b><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\" rowspan=\"2\" width=\"209\"><span style=\"color: #000000;\"><strong><b>Materials<\/b><\/strong><\/span><\/td>\n<td colspan=\"2\" width=\"224\"><span style=\"color: #000000;\"><strong><b>A105 &amp; LF2<\/b><\/strong><\/span><\/td>\n<td colspan=\"2\" width=\"205\"><span style=\"color: #000000;\"><strong><b>F316\/F304<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"106\"><span style=\"color: #000000;\">150#<\/span><\/td>\n<td width=\"118\"><span style=\"color: #000000;\">300#<\/span><\/td>\n<td width=\"107\"><span style=\"color: #000000;\">150#<\/span><\/td>\n<td width=\"98\"><span style=\"color: #000000;\">300#<\/span><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" width=\"141\"><span style=\"color: #000000;\">HYDRO<\/span><\/td>\n<td width=\"67\"><span style=\"color: #000000;\">SHELL<\/span><\/td>\n<td width=\"106\"><span style=\"color: #000000;\">30<\/span><\/td>\n<td width=\"118\"><span style=\"color: #000000;\">77<\/span><\/td>\n<td width=\"107\"><span style=\"color: #000000;\">29<\/span><\/td>\n<td width=\"98\"><span style=\"color: #000000;\">75<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"67\">SEAT<\/td>\n<td width=\"106\">22<\/td>\n<td width=\"118\">57<\/td>\n<td width=\"107\">21<\/td>\n<td width=\"98\">55<\/td>\n<\/tr>\n<tr>\n<td width=\"141\">AIR<\/td>\n<td width=\"67\">SEAT<\/td>\n<td width=\"106\">7<\/td>\n<td width=\"118\">7<\/td>\n<td width=\"107\">7<\/td>\n<td width=\"98\">7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><\/h4>\n<h4>Testing Pressure in bar (API 598) :<\/h4>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"86\"><span style=\"color: #000000;\"><strong><b>DN<\/b><\/strong><\/span><\/td>\n<td width=\"118\"><span style=\"color: #000000;\"><strong><b>L<\/b><\/strong><\/span><\/td>\n<td width=\"102\"><span style=\"color: #000000;\"><strong><b>H closed<\/b><\/strong><\/span><\/td>\n<td width=\"102\"><span style=\"color: #000000;\"><strong><b>\u00d8D<\/b><\/strong><\/span><\/td>\n<td width=\"102\"><span style=\"color: #000000;\"><strong><b>\u00d8C<\/b><\/strong><\/span><\/td>\n<td width=\"102\"><span style=\"color: #000000;\"><strong><b>Cv<\/b><\/strong><\/span><\/td>\n<td width=\"93\"><span style=\"color: #000000;\"><strong><b>Weight (approx.)<\/b><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"118\">[mm]<\/td>\n<td width=\"102\">[mm]<\/td>\n<td width=\"102\">[mm]<\/td>\n<td width=\"102\">[mm]<\/td>\n<td width=\"102\"><\/td>\n<td width=\"93\">[kgs]<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">15<\/td>\n<td width=\"118\">86<\/td>\n<td width=\"102\">200<\/td>\n<td width=\"102\">100<\/td>\n<td width=\"102\">9<\/td>\n<td width=\"102\">2.5<\/td>\n<td width=\"93\">2.5<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">20<\/td>\n<td width=\"118\">92<\/td>\n<td width=\"102\">210<\/td>\n<td width=\"102\">100<\/td>\n<td width=\"102\">12<\/td>\n<td width=\"102\">3.5<\/td>\n<td width=\"93\">2.5<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">25<\/td>\n<td width=\"118\">106<\/td>\n<td width=\"102\">220<\/td>\n<td width=\"102\">100<\/td>\n<td width=\"102\">17<\/td>\n<td width=\"102\">6<\/td>\n<td width=\"93\">4<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">32<\/td>\n<td width=\"118\">130<\/td>\n<td width=\"102\">290<\/td>\n<td width=\"102\">150<\/td>\n<td width=\"102\">23<\/td>\n<td width=\"102\">12<\/td>\n<td width=\"93\">7.5<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">40<\/td>\n<td width=\"118\">130<\/td>\n<td width=\"102\">300<\/td>\n<td width=\"102\">150<\/td>\n<td width=\"102\">25<\/td>\n<td width=\"102\">12<\/td>\n<td width=\"93\">8<\/td>\n<\/tr>\n<tr>\n<td width=\"86\">50<\/td>\n<td width=\"118\">145<\/td>\n<td width=\"102\">315<\/td>\n<td width=\"102\">150<\/td>\n<td width=\"102\">30<\/td>\n<td width=\"102\">28<\/td>\n<td width=\"93\">13.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0627\u0644\u0645\u0648\u062f\u064a\u0644: WZ41Y-300LB<\/p>\n<p>\u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0645\u0646\u0641\u0627\u062e \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a \u0627\u0644\u0645\u0637\u0631\u0648\u0642 \u0628\u0634\u0643\u0644 \u0623\u0633\u0627\u0633\u064a 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(\u062e\u064a\u0648\u0637 \u0627\u0644\u062c\u0633\u0645\/\u063a\u0637\u0627\u0621 \u0627\u0644\u0645\u062d\u0631\u0643 \u0648\u0644\u062d\u0627\u0645 \u0627\u0644\u0642\u0648\u0629).<br \/>\n\u25cf \u0627\u0644\u0625\u0633\u0641\u064a\u0646 \u0627\u0644\u0645\u0648\u062c\u0647 \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u064a\u0642\u0644\u0644 \u0645\u0646 \u062a\u0622\u0643\u0644 \u0623\u0633\u0637\u062d \u0627\u0644\u062c\u0644\u0648\u0633.<br \/>\n\u25cf \u0645\u062d\u0631\u0643 \u062c\u0630\u0639\u064a \u0645\u0643\u0648\u0646 \u0645\u0646 \u0642\u0637\u0639\u062a\u064a\u0646 \u0642\u0627\u0628\u0644 \u0644\u0644\u0625\u0635\u0644\u0627\u062d.<br \/>\n\u25cf \u062a\u062a\u0648\u0641\u0631 \u0623\u064a\u0636\u064b\u0627 \u0635\u0645\u0627\u0645\u0627\u062a \u0628\u0648\u0627\u0628\u0629 \u0645\u0646\u0632\u0644\u0642\u0629 \u0645\u062a\u0648\u0627\u0632\u064a\u0629.<br \/>\n\u25cf \u064a\u062a\u0648\u0641\u0631 \u062a\u0635\u0645\u064a\u0645 \u0627\u062e\u062a\u064a\u0627\u0631\u064a \u0645\u0639 \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0627\u0644\u0645\u0632\u062f\u0648\u062c\u0629\u060c \u0648\u0648\u0635\u0644\u0629 \u0627\u0644\u062a\u0633\u0631\u0628\u060c \u0648\u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631\u060c \u0648\u0646\u0641\u062e \u0627\u0644\u0639\u0628\u0648\u0629 \u0644\u0633\u0647\u0648\u0644\u0629 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0639\u0628\u0648\u0629 \u0627\u0644\u0642\u062f\u064a\u0645\u0629.<\/p>\n<p>\u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0634\u0641\u0629 \u0645\u062e\u062a\u0648\u0645 \u0645\u0646 \u0627\u0644\u0635\u0644\u0628 \u0645\u0632\u0648\u0631\u0629<\/p>\n<p>\u062a\u0641\u0627\u0635\u064a\u0644 \u0627\u0644\u0645\u0646\u062a\u062c<br \/>\n\u0627\u0644\u062d\u062c\u0645: 1\/2&quot;- 2&quot;<br \/>\n\u0627\u0644\u0636\u063a\u0637: \u0641\u0626\u0629 150LB-600LB<br \/>\n\u0627\u0644\u0645\u0648\u0627\u062f: A105\u060c F22\u060c LF2\u060c F304\u060c F316\u060c F304L\u060c F316L<br \/>\n\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u062a\u0635\u0645\u064a\u0645: API602\u060c BS 5352<br \/>\n\u0648\u062c\u0647\u0627\u064b \u0644\u0648\u062c\u0647: ANSI B16.10<br \/>\n\u0634\u0641\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629: ANSI B16.5<br \/>\n\u0646\u0648\u0639 \u0627\u0644\u062a\u062c\u0648\u064a\u0641: \u062a\u062c\u0648\u064a\u0641 \u0645\u062e\u0641\u0636\u060c \u062a\u062c\u0648\u064a\u0641 \u0643\u0627\u0645\u0644.<\/p>\n<p>&nbsp;<\/p>\n<p>STV Valve Technology Group Co., Ltd \u0647\u064a \u0634\u0631\u0643\u0629 \u0631\u0627\u0626\u062f\u0629 \u0641\u064a \u0645\u062c\u0627\u0644 \u0635\u0645\u0627\u0645 \u0627\u0644\u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0645\u062e\u062a\u0648\u0645\u0629 \u0645\u0646\u0641\u0627\u062e \u0641\u0648\u0644\u0627\u0630\u064a \u0645\u0632\u0648\u0631\u0629 API \u0641\u064a \u0627\u0644\u0635\u064a\u0646\u060c \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0645\u0646\u0641\u0627\u062e \u0645\u062e\u062a\u0648\u0645\u060c \u0635\u0645\u0627\u0645\u0627\u062a \u062e\u062a\u0645 \u0645\u0646\u0641\u0627\u062e\u060c \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0645\u0646\u0641\u0627\u062e \u0635\u064a\u0646\u064a\u060c \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0634\u0641\u0629 \u0645\u062e\u062a\u0648\u0645\u0629 \u0645\u0646 \u0627\u0644\u0635\u0644\u0628 \u0645\u0632\u0648\u0631\u0629\u060c \u0635\u0645\u0627\u0645\u0627\u062a \u0645\u062e\u062a\u0648\u0645\u0629 \u0645\u0646 \u0627\u0644\u0635\u0644\u0628 \u0645\u0632\u0648\u0631\u0629\u060c \u0645\u0632\u0648\u0631\u0629 \u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u062e\u062a\u0645 \u0645\u0646\u0641\u0627\u062e \u0641\u0648\u0644\u0627\u0630\u064a \u060c \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0645\u062e\u062a\u0648\u0645\u0629 \u0645\u0646\u0641\u0627\u062e \u0641\u0648\u0644\u0627\u0630\u064a \u0628\u062c\u0648\u062f\u0629 \u0639\u0627\u0644\u064a\u0629 \u0648\u0623\u0633\u0639\u0627\u0631 \u062a\u0646\u0627\u0641\u0633\u064a\u0629.<\/p>\n<p>\u064a\u0631\u062c\u0649 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0628\u0646\u0627 \u0639\u0644\u0649 sales@stvvalve.com \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0645\u0648\u0627\u062f \u0648\u062a\u0641\u0627\u0635\u064a\u0644 \u0623\u062e\u0631\u0649.<\/p>\n<p>\u0648\u0631\u0642\u0629 \u0627\u0644\u062a\u0627\u0631\u064a\u062e:<br \/>\n<a href=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2018\/12\/forged-steel-bellows-gate-valve-300lb-drawing.pdf\">\u0635\u0645\u0627\u0645 \u0628\u0648\u0627\u0628\u0629 \u0645\u0646\u0641\u0627\u062e \u0641\u0648\u0644\u0627\u0630\u064a \u0645\u0632\u0648\u0631\u0629 300 \u0631\u0637\u0644 \u0634\u0641\u0629 \u0623\u0646\u062b\u0649 \u0643\u0628\u064a\u0631\u0629<\/a><\/p>","protected":false},"featured_media":4207,"template":"","meta":[],"product_brand":[],"product_cat":[82,44],"product_tag":[361,360,357,364,363,358,359,362],"class_list":{"0":"post-4205","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bellow-seal-gate-valve","7":"product_cat-gate-valve","8":"product_tag-api-forged-steel-bellows-sealed-gate-valve","9":"product_tag-bellows-seal-gate-valve","10":"product_tag-bellows-seal-valves","11":"product_tag-china-bellows-gate-valve","12":"product_tag-forged-steel-bellow-sealed-flange-gate-valve","13":"product_tag-forged-steel-bellow-sealed-valves","14":"product_tag-forged-steel-bellows-seal-gate-valve","15":"product_tag-forged-steel-bellows-sealed-gate-valve","17":"first","18":"instock","19":"shipping-taxable","20":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/ar\/wp-json\/wp\/v2\/product\/4205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.stvvalves.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ar\/wp-json\/wp\/v2\/media\/4207"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/ar\/wp-json\/wp\/v2\/media?parent=4205"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ar\/wp-json\/wp\/v2\/product_brand?post=4205"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ar\/wp-json\/wp\/v2\/product_cat?post=4205"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ar\/wp-json\/wp\/v2\/product_tag?post=4205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}