{"id":2529,"date":"2019-11-24T16:42:17","date_gmt":"2019-11-24T14:42:17","guid":{"rendered":"https:\/\/polymat-bg.com\/products\/%d0%bd%d0%be%d0%b6%d0%be%d0%b2%d0%b8-%d1%88%d0%b8%d0%b1%d1%80%d0%b8\/"},"modified":"2024-10-17T11:28:16","modified_gmt":"2024-10-17T08:28:16","slug":"%d0%bd%d0%be%d0%b6%d0%be%d0%b2%d0%b8-%d1%88%d0%b8%d0%b1%d1%80%d0%b8","status":"publish","type":"page","link":"https:\/\/polymat-bg.com\/en\/products\/%d0%bd%d0%be%d0%b6%d0%be%d0%b2%d0%b8-%d1%88%d0%b8%d0%b1%d1%80%d0%b8\/","title":{"rendered":"Knife gate valve"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row css=&#8221;.vc_custom_1574276489776{margin-top: -69px !important;background-image: url(https:\/\/polymat-bg.com\/wp-content\/uploads\/2019\/11\/bg-page-title.small_.png?id=366) !important;background-position: 0 0 !important;background-repeat: no-repeat !important;}&#8221;][vc_column width=&#8221;1\/4&#8243; css=&#8221;.vc_custom_1574276608765{margin-top: -15px !important;}&#8221;][vc_column_text]<\/p>\n<h1><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-320 alignleft\" src=\"https:\/\/polymat-bg.com\/wp-content\/uploads\/2019\/11\/title4-icon.png\" alt=\"\" width=\"33\" height=\"34\" \/>Products<\/h1>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;3\/4&#8243; css=&#8221;.vc_custom_1574277363104{margin-top: -5px !important;}&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_raw_html]JTVCd3BiX21lbnVfYWNjb3JkaW9uJTIwbWVudSUzRCUyMlNpZGViYXIlMjIlMjBpY29uJTNEJTIyJTJCJTIyJTVEJTBB[\/vc_raw_html][\/vc_column][vc_column width=&#8221;2\/3&#8243;][vc_column_text]<\/p>\n<h3>Knife gate valve with rubber sleeve:<\/h3>\n<p>[\/vc_column_text][vc_single_image image=&#8221;505&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; style=&#8221;vc_box_outline&#8221; css_animation=&#8221;fadeIn&#8221;][vc_column_text]<strong>Operating principle<\/strong><br \/>\nThe knife gate valve wafer type, which can be install between flanges is designed for application in a wide range of industries. The double seat ensures bi-directional tightness of the valve. The construction of the body protected by the two rubber bushings make the valve extremely suitable for use in highly abrasive working environments in industries such as:<\/p>\n<p>\u25cf Mine<br \/>\n\u25cf Energy<br \/>\n\u25cf Chemical<br \/>\n\u25cf Waste water<br \/>\n\u25cf etc.<\/p>\n<p><strong>Parameters<\/strong><br \/>\nNominal diameters:<br \/>\nFrom DN50 to DN900 (larger diameters on request)<\/p>\n<p><strong>Working pressure:<\/strong><br \/>\nFrom DN50 to DN400 \u2013 10 bar<br \/>\nFrom DN450 to DN600 \u2013 6 bar<br \/>\nFrom DN700 to DN900 \u2013 5 bar<\/p>\n<p><strong>Standard flange connections:<\/strong><br \/>\nDIN PN10<br \/>\nANSI B16.5 (class 150)<\/p>\n<p><strong>Work temperature:<\/strong><br \/>\nFrom -30\u02da \u0421 up to 120\u02da \u0421<\/p>\n<p><strong>Materials:<\/strong><br \/>\nBody: cast iron (0.7040, GJS 400)<br \/>\nRubber bushings: Natural rubber, EPDM, Neoprene, Nitrile, Chlorobutyl<\/p>\n<p><strong>Types of operating:<\/strong><br \/>\nManual (with handle or manual gearbox)<br \/>\nPneumatic drive<br \/>\nHydraulic drive<br \/>\nMovement powered by electricity[\/vc_column_text][vc_column_text]<\/p>\n<h3>Shut off Knife gate valve:<\/h3>\n<p>[\/vc_column_text][vc_single_image image=&#8221;507&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; style=&#8221;vc_box_outline&#8221; css_animation=&#8221;fadeIn&#8221;][vc_column_text]<strong>Operating principle<\/strong><br \/>\nThe knife cutter is single-pass with inter-flange mounting for general application in industries. The design of the body and seat prevents the valve from blocking when closing due to the presence of dense media in industries such as:<br \/>\n\u25cf Pulp and Paper<br \/>\n\u25cf Energy<br \/>\n\u25cf Waste water treatment<br \/>\n\u25cf Chemical<br \/>\n\u25cf Food tasting and brewery<br \/>\n\u25cf Bulk cargo<br \/>\n\u25cf Mine<br \/>\n\u25cf etc.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Parameters<\/strong><br \/>\nNominal diameters:<br \/>\nFrom DN50 to DN1200 (larger diameters on request)<\/p>\n<p><strong>Working pressure:<\/strong><br \/>\nFrom DN50 to DN250 \u2013 10 bar<br \/>\nFrom DN300 to DN400 \u2013 6 bar<br \/>\nFrom DN450 \u2013 5 bar<br \/>\nFrom DN500 to DN600 \u2013 4 bar<br \/>\nFrom DN700 to DN1200 \u2013 2 bar<\/p>\n<p><strong>Standard flange connections:<\/strong><br \/>\nDIN PN10<br \/>\nANSI B16.5 (class 150)<\/p>\n<p><strong>\u0420\u0430\u0431\u043e\u0442\u043d\u0430 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430:<\/strong><br \/>\nFrom -30\u02da\u0421 up to 250\u02da\u0421<\/p>\n<p><strong>Materials:<\/strong><br \/>\nBody: cast iron (GG25), stainless steel (CF8M)<br \/>\nSeat: Metal, EPDM, Nitrile, Viton, Silicone, PTFE<\/p>\n<p><strong>Type of operating:<\/strong><br \/>\nManual with withdrawable or non-retractable spindle (with handle or manual gearbox)<br \/>\nPneumatic drive<br \/>\nMovement powered by electricity<\/p>\n<p><strong>Accessories:<\/strong><br \/>\n\u2013 Reinforced saddle for longer life<br \/>\n\u2013 Deflector for the saddle preventing its injury.<br \/>\n\u2013 Saddle wash nozzles<br \/>\n\u2013 Closed housing suitable for working environment gas.[\/vc_column_text][vc_column_text]<\/p>\n<h3>Bi-directional knife gate valve:<\/h3>\n<p>[\/vc_column_text][vc_single_image image=&#8221;510&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; style=&#8221;vc_box_outline&#8221; css_animation=&#8221;fadeIn&#8221;][vc_column_text]<strong>Operating principle:<\/strong><br \/>\nThe knife cutter is two-pass with inter-flange mounting for general application in industries. The design of the body and seat prevents the valve from blocking when closing due to the presence of dense working environments in industries such as:<br \/>\n\u25cf Waste water<br \/>\n\u25cf Chemical<br \/>\n\u25cf Food tasting and brewery<br \/>\n\u25cf etc.<\/p>\n<p><strong>Parameters<\/strong><br \/>\n<strong>Nominal diameters:<\/strong><br \/>\nFrom DN50 to DN1200 (larger diameters on request)<\/p>\n<p><strong>Working pressure:<\/strong><br \/>\nFrom DN50 to DN250 \u2013 10 bar<br \/>\nFrom DN300 to DN400 \u2013 6 bar<br \/>\nFrom DN450 \u2013 5 bar<br \/>\nFrom DN500 to DN600 \u2013 4 bar<br \/>\nFrom DN700 to DN1200 \u2013 2 bar<\/p>\n<p><strong>Standard flange connections:<\/strong><br \/>\nEN1092 DIN PN10<\/p>\n<p><strong>Work temperature:<\/strong><br \/>\nFrom -30\u02da\u0421 up to 200\u02da\u0421<\/p>\n<p><strong>Materials:<\/strong><br \/>\nBody: cast iron (GG25)<br \/>\nSeat: EPDM, Nitrile, Viton<\/p>\n<p><strong>Type of operating:<\/strong><br \/>\nManual with non-retractable spindle (with handle or manual gearbox)<br \/>\nPneumatic drive<br \/>\nHydraulic drive<br \/>\nMovement powered by electricity<br \/>\nWe look forward to your inquiry at <a href=\"mailto:office@polymat-bg.com\">office@polymat-bg.com<\/a>.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row css=&#8221;.vc_custom_1574276489776{margin-top: -69px !important;background-image: url(https:\/\/polymat-bg.com\/wp-content\/uploads\/2019\/11\/bg-page-title.small_.png?id=366) !important;background-position: 0 0 !important;background-repeat: no-repeat !important;}&#8221;][vc_column width=&#8221;1\/4&#8243; css=&#8221;.vc_custom_1574276608765{margin-top: -15px !important;}&#8221;][vc_column_text] Products [\/vc_column_text][\/vc_column][vc_column width=&#8221;3\/4&#8243; css=&#8221;.vc_custom_1574277363104{margin-top: -5px !important;}&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_raw_html]JTVCd3BiX21lbnVfYWNjb3JkaW9uJTIwbWVudSUzRCUyMlNpZGViYXIlMjIlMjBpY29uJTNEJTIyJTJCJTIyJTVEJTBB[\/vc_raw_html][\/vc_column][vc_column width=&#8221;2\/3&#8243;][vc_column_text] Knife gate valve<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2340,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/polymat-bg.com\/en\/wp-json\/wp\/v2\/pages\/2529"}],"collection":[{"href":"https:\/\/polymat-bg.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/polymat-bg.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/polymat-bg.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/polymat-bg.com\/en\/wp-json\/wp\/v2\/comments?post=2529"}],"version-history":[{"count":4,"href":"https:\/\/polymat-bg.com\/en\/wp-json\/wp\/v2\/pages\/2529\/revisions"}],"predecessor-version":[{"id":2534,"href":"https:\/\/polymat-bg.com\/en\/wp-json\/wp\/v2\/pages\/2529\/revisions\/2534"}],"up":[{"embeddable":true,"href":"https:\/\/polymat-bg.com\/en\/wp-json\/wp\/v2\/pages\/2340"}],"wp:attachment":[{"href":"https:\/\/polymat-bg.com\/en\/wp-json\/wp\/v2\/media?parent=2529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}