{"id":961,"date":"2026-07-15T02:07:13","date_gmt":"2026-07-15T02:07:13","guid":{"rendered":"https:\/\/cnkazev.com\/?post_type=product&p=961"},"modified":"2026-07-15T03:17:53","modified_gmt":"2026-07-15T03:17:53","slug":"manual-handwheel-knife-gate-valve-lug-stainless-steel-slurry-wastewater-bi-directional-corrosion-resistant-flow-cutoff","status":"publish","type":"product","link":"https:\/\/cnkazev.com\/zh\/product\/manual-handwheel-knife-gate-valve-lug-stainless-steel-slurry-wastewater-bi-directional-corrosion-resistant-flow-cutoff\/","title":{"rendered":"\u5f00\u6b63\u9600\u95e8\u9ad8\u54c1\u8d28\u624b\u52a8\u624b\u8f6e\u5200\u95f8\u9600\u8033\u7247\u4e0d\u9508\u94a2\u6d46\u6db2\u5e9f\u6c34\u53cc\u5411\u8010\u8150\u8680\u6d41\u91cf\u5207\u65ad\u9600"},"content":{"rendered":"
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Heavy-Duty Stainless Steel Manual knife gate valve<\/strong> for Slurry, Wastewater & Abrasive Medium Isolation<\/h4>\n<\/div>\n
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First off, this <\/span>Manual knife gate valve<\/strong> delivers reliable straight-through flow cut-off for harsh industrial pipelines. Next, we craft every component with premium anti-corrosion metal to extend service life. Furthermore, the lug flange design fits all standard pipe mounting brackets. Also, the blue cast iron handwheel enables easy on-site manual operation without extra actuators. Meanwhile, we cover a full size range from DN50 up to DN1200 to match small lab lines and large factory main pipes alike.<\/span><\/p>\n<\/div>\n

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Valve Size & Full Material Breakdown<\/h4>\n<\/div>\n
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To start with, the size spectrum spans DN50, DN80, DN100, DN150, DN200, DN300, DN400, DN600, DN800, DN1000, DN1200. In addition, each structural part uses targeted durable materials. For the valve body, we pick 304 or 316 stainless steel to block acid, alkali and rust. Then, the knife disc adopts solid stainless steel plate with precision polishing to cut thick sludge and solid particles cleanly. Moreover, the stem uses 2Cr13 stainless steel for high tensile strength against frequent lifting cycles. Besides, the packing seal uses PTFE graphite to stop medium leakage under constant pressure. Last, the top handwheel is ductile cast iron with anti-slip blue paint for long outdoor use.<\/div>\n<\/div>\n
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Core Performance & Key Selling Points<\/h4>\n<\/div>\n
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\u4e00\u65b9\u9762\uff0c\u8fd9 Manual knife gate valve<\/strong> holds bi-directional sealing capability to stop flow from two pipeline directions. On the other hand, its slim body cuts pipeline weight and saves installation space compared with wedge gate valves. Additionally, the full port design eliminates medium buildup and reduces flow resistance sharply. What\u2019s more, the self-cleaning knife edge scrapes sediment off the sealing seat during every open-close stroke. Equally important, it works stably under pressure grades PN6, PN10 and PN16 for general industrial working conditions. Another plus point lies in the easy disassembly structure; users replace seals or discs without removing the whole valve from pipes. Also, all bolt connections use stainless steel fasteners to avoid rust jamming in humid environments.<\/div>\n<\/div>\n

\u771f\u5b9e\u5ba2\u6237\u53cd\u9988<\/h4>\n
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For instance, mining plant clients report zero leakage after 12 months of slurry transport use. Similarly, municipal wastewater stations praise the simple handwheel operation for daily pipeline maintenance. Meanwhile, chemical factory buyers highlight the 316 steel body\u2019s strong resistance to weak acid wastewater. Moreover, paper mill operators mention the knife disc clears pulp fibers without blockages every shift. In short, over 3,000 global industrial buyers choose this series for consistent low-failure performance.<\/div>\n<\/div>\n
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Wide Industrial Application Scenarios<\/h4>\n<\/div>\n
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First, mining and mineral processing transport mineral slurry and tailing waste. Second, municipal sewage and wastewater treatment control sludge discharge pipelines. Third, pulp and paper factories cut off pulp and fiber mixed medium flow. Fourth, chemical plants handle low-concentration acid, alkali and salt water pipelines. Fifth, food processing facilities manage grain residue and beverage waste flow lines. Sixth, power plants isolate ash slurry and circulating water branch pipes. Beyond these sectors, construction mud transport and aquaculture waste discharge also rely on this valve model daily.<\/div>\n<\/div>\n
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All in all, our factory strictly tests every finished <\/span>Manual knife gate valve<\/strong> before shipment to guarantee stable sealing and smooth operation. Whether you need small DN50 lab valves or large DN1200 heavy-duty pipeline units, this stainless steel lug-style model meets all your isolation demands. In conclusion, select our premium <\/span>Manual knife gate valve<\/strong> to solve abrasive medium cut-off challenges with long service life and minimal maintenance costs.<\/span><\/p>\n<\/div>\n<\/div>\n

\"Manual<\/p>","protected":false},"excerpt":{"rendered":"

Heavy-Duty Stainless Steel Manual knife gate valve for Slurry, Wastewater & Abrasive Medium Isolation<\/p>","protected":false},"featured_media":962,"template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[201,202,199,197,198,98,200],"class_list":["post-961","product","type-product","status-publish","has-post-thumbnail","product_cat-gate-valve","product_tag-corrosion-resistant-valve","product_tag-heavy-duty-pipeline-valve","product_tag-industrial-cut-off-valve","product_tag-lug-knife-gate-valve","product_tag-manual-slurry-valve","product_tag-stainless-steel-valve","product_tag-wastewater-control-valve","first","instock","shipping-taxable","product-type-external"],"yoast_head":"\nManual Handwheel Knife Gate Valve Lug Stainless Steel Slurry Wastewater Bi-Directional Corrosion Resistant Flow Cutoff - Kazev Valve<\/title>\n<meta name=\"description\" content=\"Manual Knife Gate Valve Stainless Steel Lug Type Handwheel Industrial Slurry Wastewater Corrosion Resistant Bi-Directional Cut-off Flow Control DN50-DN1200 Heavy Duty\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cnkazev.com\/zh\/product\/manual-handwheel-knife-gate-valve-lug-stainless-steel-slurry-wastewater-bi-directional-corrosion-resistant-flow-cutoff\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Manual Handwheel Knife Gate Valve Lug Stainless Steel Slurry Wastewater Bi-Directional Corrosion Resistant Flow Cutoff - 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