{"id":1583,"date":"2026-06-01T09:44:01","date_gmt":"2026-06-01T09:44:01","guid":{"rendered":"https:\/\/jstvalve.com\/?post_type=product&#038;p=1583"},"modified":"2026-06-01T09:44:01","modified_gmt":"2026-06-01T09:44:01","slug":"plunger-valve","status":"publish","type":"product","link":"https:\/\/jstvalve.com\/ja\/product\/plunger-valve\/","title":{"rendered":"Special Alloy Plunger Valve"},"content":{"rendered":"<p>JST Valve&#8217;s <strong>Special Alloy Plunger Valve<\/strong> is designed for severe service conditions involving corrosive acids, abrasive slurry, ash, residue, and high-temperature process media. Through a precision plunger sealing structure and advanced corrosion-resistant materials, the valve delivers excellent shut-off performance, low leakage, and extended service life under demanding industrial environments.<\/p>\n<p>With nearly 33 years of experience in special material valve manufacturing, Fujian JST Valve Manufacturing Co., Ltd. provides customized plunger valve solutions for chemical processing, mining, metallurgy, energy storage, and power generation industries. Our engineering team can recommend the most suitable materials and configurations according to specific operating conditions.<\/p>\n<p><!-- Product Drawing Image Here --><\/p>\n<h2>\u4e3b\u306a\u7279\u5fb4<\/h2>\n<ul>\n<li>Excellent sealing performance with reliable shut-off capability<\/li>\n<li>Suitable for highly corrosive acid and alkali media<\/li>\n<li>Outstanding wear resistance for slurry and abrasive applications<\/li>\n<li>Low operating torque and smooth flow regulation<\/li>\n<li>Long service life with reduced maintenance requirements<\/li>\n<li>Available in special alloy and ceramic materials<\/li>\n<li>Custom design available for severe service conditions<\/li>\n<\/ul>\n<h2>Available Materials<\/h2>\n<p>To meet the requirements of aggressive industrial media, JST Valve offers plunger valves in a wide range of corrosion-resistant and wear-resistant materials:<\/p>\n<ul>\n<li>Zirconium (Zr)<\/li>\n<li>Monel Alloy<\/li>\n<li>Hastelloy Alloy<\/li>\n<li>Tantalum (Ta)<\/li>\n<li>Niobium (Nb)<\/li>\n<li>Titanium (Ti)<\/li>\n<li>Nickel Alloys<\/li>\n<li>High Silicon Cast Iron<\/li>\n<li>Duplex Stainless Steel<\/li>\n<li>Super Duplex Stainless Steel<\/li>\n<li>Super Austenitic Stainless Steel<\/li>\n<li>Magnesium Zirconium Ceramic<\/li>\n<\/ul>\n<h2>\u6280\u8853\u4ed5\u69d8<\/h2>\n<table class=\"wp-block-table\">\n<tbody>\n<tr>\n<th>\u516c\u79f0\u30b5\u30a4\u30ba<\/th>\n<td>DN15 \u2013 DN300 (1\/2&#8243; \u2013 12&#8243;)<\/td>\n<\/tr>\n<tr>\n<th>\u5b9a\u683c\u5727\u529b<\/th>\n<td>PN10 \u2013 PN420 \/ Class150 \u2013 Class2500<\/td>\n<\/tr>\n<tr>\n<th>\u6e29\u5ea6\u7bc4\u56f2<\/th>\n<td>-196\u00b0C to +650\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Connection Type<\/th>\n<td>Flanged, Welded, Threaded<\/td>\n<\/tr>\n<tr>\n<th>Operation<\/th>\n<td>Manual, Pneumatic, Electric, Hydraulic<\/td>\n<\/tr>\n<tr>\n<th>Design Standards<\/th>\n<td>API, ANSI, ASME, DIN, JIS, GB<\/td>\n<\/tr>\n<tr>\n<th>Inspection Standard<\/th>\n<td>API 598 \/ ISO 5208<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4ee3\u8868\u7684\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n<ul>\n<li>Sulfuric Acid Systems<\/li>\n<li>Hydrochloric Acid Processing<\/li>\n<li>Phosphoric Acid Plants<\/li>\n<li>Nitric Acid Production<\/li>\n<li>Hydrofluoric Acid Applications<\/li>\n<li>Caustic Soda Systems<\/li>\n<li>Mining Slurry Pipelines<\/li>\n<li>Ash Handling Systems<\/li>\n<li>Metallurgical Industry<\/li>\n<li>Power Generation Facilities<\/li>\n<li>Chemical Processing Plants<\/li>\n<li>New Energy Material Production<\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>JST Valve&#8217;s Special Alloy Plunger Valve is designed for severe service conditions involving corrosive acids, abrasive slurry, ash, residue, and high-temperature process media. Through a precision plunger sealing structure and advanced corrosion-resistant materials, the valve delivers excellent shut-off performance, low leakage, and extended service life under demanding industrial environments. With nearly 33 years of experience in special material valve manufacturing, Fujian JST Valve Manufacturing Co., Ltd. provides customized plunger valve solutions for chemical processing, mining, metallurgy, energy storage, and power generation industries. Our engineering team can recommend the most suitable materials and configurations according to specific operating conditions. Key Features Excellent sealing performance with reliable shut-off capability Suitable for highly&#8230;<\/p>","protected":false},"featured_media":1590,"comment_status":"open","ping_status":"closed","template":"","meta":{"_angie_page":false,"_eb_attr":"","_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[],"product_cat":[27],"product_tag":[],"class_list":["post-1583","product","type-product","status-publish","has-post-thumbnail","product_cat-plug-valve","first","instock","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"_links":{"self":[{"href":"https:\/\/jstvalve.com\/ja\/wp-json\/wp\/v2\/product\/1583","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jstvalve.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jstvalve.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/jstvalve.com\/ja\/wp-json\/wp\/v2\/comments?post=1583"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jstvalve.com\/ja\/wp-json\/wp\/v2\/media\/1590"}],"wp:attachment":[{"href":"https:\/\/jstvalve.com\/ja\/wp-json\/wp\/v2\/media?parent=1583"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jstvalve.com\/ja\/wp-json\/wp\/v2\/product_brand?post=1583"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jstvalve.com\/ja\/wp-json\/wp\/v2\/product_cat?post=1583"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jstvalve.com\/ja\/wp-json\/wp\/v2\/product_tag?post=1583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}