{"id":10696,"date":"2026-05-27T08:22:42","date_gmt":"2026-05-27T08:22:42","guid":{"rendered":"https:\/\/www.fleyendavalve.com\/?post_type=product&#038;p=10696"},"modified":"2026-05-28T08:28:09","modified_gmt":"2026-05-28T08:28:09","slug":"dn50-dn1000-pneumatic-knife-gate-valve-with-air-cylinder-actuator","status":"publish","type":"product","link":"https:\/\/www.fleyendavalve.com\/fr\/product\/pneumatic-actuated-valve\/pneumatic-knife-gate-valve\/dn50-dn1000-pneumatic-knife-gate-valve-with-air-cylinder-actuator\/","title":{"rendered":"DN50\u2013DN1000 Pneumatic Knife Gate Valve with Air Cylinder Actuator"},"content":{"rendered":"<h1 data-start=\"1439\" data-end=\"1508\"><strong data-start=\"1439\" data-end=\"1508\">DN50\u2013DN1000 Pneumatic Knife Gate Valve with Air Cylinder Actuator<\/strong><\/h1>\n<table class=\"table-condensed table-hover table-bordered\">\n<tbody>\n<tr>\n<td class=\"notranslate\" width=\"183\">Size Range<\/td>\n<td class=\"notranslate\" width=\"446\">DN15 to DN1000 (1\/2\u2033 to 40\u2033)<\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Body Material<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">Cast Iron, Carbon Steel(WCB), Stainless Steel(CF8, CF8M)<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Disc Material<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">WCB\u3001Cast Iron, Stainless Steel(CF8, CF8M)<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Stem Material<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">Stainless Steel (CF8, CF8M)<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Sealing Material<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">PTFE<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Connection Type<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">Flanged Type, Lug Type, Wafer Type (GB\/ANSI\/JIS\/DIN)<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Pressure Rating<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">300PSI<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Temperature Of Medium<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">-30\u00b0C to 300\u00b0C (-86\u00b0F to 572\u00b0F)<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Optional Accessories<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">Solenoid Valve, Positioner, Limit Switch, F.R.L., Manual Device<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Applicable Medium<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">Mud, Material, Viscous, Granular Fluid<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"notranslate\"><span class=\"notranslate\">Applications<\/span><\/td>\n<td class=\"notranslate\"><span class=\"notranslate\">Wastewater Treatment, Mining, Pulp &amp; Paper, Chemical Processing, etc<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table style=\"border-collapse: collapse; width: 100%; text-align: center;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<thead>\n<tr>\n<th>Series<\/th>\n<th>AT<\/th>\n<th>AW<\/th>\n<th>Linear<\/th>\n<th>Pneumatic Cylinder<\/th>\n<th>Sanitaire<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Valve Body<\/td>\n<td colspan=\"2\">Ball valve, butterfly valve, plug valve<\/td>\n<td>Gate valve, Global valve<\/td>\n<td>Knife gate valve<\/td>\n<td>Sanitary butterfly valve<\/td>\n<\/tr>\n<tr>\n<td>Fonction<\/td>\n<td colspan=\"5\">Double Acting, Single Acting (Failure Resetting FO or FC)<\/td>\n<\/tr>\n<tr>\n<td>Accessoires de commande<\/td>\n<td style=\"text-align: left;\" colspan=\"5\">\u2022 Solenoid Valve, Filter Regulator Lubricator (F.R.L.), Positioner, Limit Switch, Handwheel<br \/>\n\u2022 Solenoid Valve &amp; Positioner are with Explosion-proof grade and Signal Feedback type for choice<\/td>\n<\/tr>\n<tr>\n<td>Operating Medium<\/td>\n<td style=\"text-align: left;\" colspan=\"5\">Clean and dry or lubricated air or inert gas. Any non-corrosive gas that is compatible with the internal parts of the actuator and the lubricant.<br \/>\nThe dew point temperature of the operating medium is -20\u00b0C, and the size of impurity particles is no more than 30u.<br \/>\nWhen selecting a positioner, the impurity particle size should be no more than 5u.<\/td>\n<\/tr>\n<tr>\n<td>Air Source Pressure<\/td>\n<td colspan=\"5\">3bar to 8bar<\/td>\n<\/tr>\n<tr>\n<td>Operating Environment Temperature<\/td>\n<td style=\"text-align: left;\" colspan=\"5\">\u2022 Standard type: -20\u00b0C to +80\u00b0C<br \/>\n\u2022 Low-temperature type: -40\u00b0C to +80\u00b0C<br \/>\n\u2022 High-temperature type: -20\u00b0C to +160\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Lubrication<\/td>\n<td style=\"text-align: left;\" colspan=\"5\">Under normal operating conditions, the standard type does not require additional lubricant.<br \/>\nFor low-temperature or high-temperature environments, special lubricants are required.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5><\/h5>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>FLEYENDA DN50\u2013DN1000 pneumatic knife gate valves are designed for reliable shut-off and flow control in slurry, wastewater, mining, pulp &amp; paper, and chemical applications. Equipped with a fast-response air cylinder actuator, the valve provides stable pneumatic automation and efficient operation under demanding industrial conditions. Available in multiple body materials and sealing options, these pneumatic knife gate valves ensure long service life, corrosion resistance, and low maintenance costs for industrial pipeline systems.<\/p>","protected":false},"featured_media":10697,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[44],"product_tag":[95],"class_list":{"0":"post-10696","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pneumatic-knife-gate-valve","7":"product_tag-aw-series","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.fleyendavalve.com\/fr\/wp-json\/wp\/v2\/product\/10696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fleyendavalve.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.fleyendavalve.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fleyendavalve.com\/fr\/wp-json\/wp\/v2\/media\/10697"}],"wp:attachment":[{"href":"https:\/\/www.fleyendavalve.com\/fr\/wp-json\/wp\/v2\/media?parent=10696"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.fleyendavalve.com\/fr\/wp-json\/wp\/v2\/product_brand?post=10696"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.fleyendavalve.com\/fr\/wp-json\/wp\/v2\/product_cat?post=10696"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.fleyendavalve.com\/fr\/wp-json\/wp\/v2\/product_tag?post=10696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}