{"id":91982,"date":"2026-01-16T16:32:41","date_gmt":"2026-01-16T16:32:41","guid":{"rendered":"https:\/\/armstronginternational.com\/china\/flow-control\/"},"modified":"2026-07-10T17:32:23","modified_gmt":"2026-07-10T17:32:23","slug":"%e6%b5%81%e9%87%8f%e6%8e%a7%e5%88%b6","status":"publish","type":"page","link":"https:\/\/armstronginternational.com\/china\/products-landing\/%e6%b5%81%e9%87%8f%e6%8e%a7%e5%88%b6\/","title":{"rendered":"Flow Control"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":4220,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-91982","page","type-page","status-publish","hentry"],"acf":{"banner_type":"large","video":"","banner_image":91987,"banner_heading":"Flow Control Solutions","banner_subhead":"Advanced Flow Control Technology from Armstrong International","banner_paragraph":"Armstrong offers hardworking, state-of-the-art flow control solutions, proven to control clean, dirty, viscous, corrosive and non-corrosive liquids, steam, gas, vapor and other fluids accurately and consistently, even under the most stringent industrial process conditions. We're here to solve your problems and make life easier with control valves built to deliver best-in-class quality, longevity and value. ","button_link":"https:\/\/armstronginternational.com\/china\/products\/?type=flow-control&regions=china","button_label":"All Flow Control Products","modules":[{"module":"full","content_type_1":"narrow","padding":"pad-bottom","background":"none","image_position":false,"image_1":null,"image_2":null,"video_file":null,"color":"","font_color":"","section_heading":"","module_content_1":"<h2 style=\"text-align: center;\">Always in Control<\/h2>\r\n<p style=\"text-align: center;\">Armstrong offers a broad range of rugged, dependable flow control products and accessories\u2014all manufactured according to the highest standards and engineered to provide precise fluid management and smooth, responsive operation to meet the toughest demands of your facilities and environment.<\/p>\r\n<p style=\"text-align: center;\"><a class=\"btn\" href=\"https:\/\/armstronginternational.com\/wp-content\/uploads\/Broch_ArmstrongControlValvesAllRange_277-C_EMEA_EN_20250918.pdf\" target=\"_blank\" rel=\"noopener\">Best-in-Class Control Valves Brochure<\/a><\/p>","module_content_2":"","module_content_3":"","accordion":null,"content_connector":null,"download_box_heading":"","downloads":null,"menu_item":null},{"module":"full","content_type_1":"standard","padding":"pad-none","background":"none","image_position":false,"image_1":null,"image_2":null,"video_file":null,"color":"","font_color":"","section_heading":"","module_content_1":"<h2>Only From Armstrong\u2014AEROFLOW<sup>\u00ae<\/sup>, D-Boy\u2122, DLO\u2122, K-Max\u2122, DSE, DOS, and DOT\u2122 Control Valves (formerly Leslie Controls)<\/h2>\r\n<p style=\"text-align: left;\">The name has changed to Armstrong, and the color has changed to yellow, but the exceptional quality is the same\u2014backed by the outstanding service, technical support and expertise Armstrong is known to provide.<\/p>\r\n<p style=\"text-align: left;\">Leslie Controls former legacy brands AEROFLOW<sup>\u00ae<\/sup>, D-Boy\u2122, DLO\u2122, K-Max\u2122, DSE, DOS, and DOT\u2122 Control Valves are now available exclusively from Armstrong International.<\/p>\r\n\r\n<ul>\r\n \t<li style=\"text-align: left;\">Armstrong owns the exclusive rights to manufacture these Leslie Controls legacy brands and legacy brand OEM spare parts, adhering to the original specifications and drawings.<\/li>\r\n \t<li style=\"text-align: left;\">Armstrong and its contractual representatives have exclusive rights to sell these legacy brands and support the install base.<\/li>\r\n \t<li style=\"text-align: left;\">Armstrong is the exclusive owner of all technical details to include engineering and design of legacy Leslie Control Valve product lines.<\/li>\r\n<\/ul>","module_content_2":"","module_content_3":"","accordion":null,"content_connector":null,"download_box_heading":"","downloads":null,"menu_item":null},{"module":"3col","content_type_1":false,"padding":"pad-none","background":"none","image_position":false,"image_1":null,"image_2":null,"video_file":null,"color":"","font_color":"","section_heading":"","module_content_1":"<a class=\"no-arrow\" href=\"https:\/\/armstronginternational.com\/china\/products\/aeroflow-control-valve\/\"><img class=\"alignnone wp-image-104547 aligncenter\" src=\"https:\/\/armstronginternational.com\/wp-content\/uploads\/AEROFLOW-12-ACT-scaled.jpg\" alt=\"\" width=\"300\" height=\"300\" \/><\/a>\r\n<h3 style=\"text-align: center;\">AEROFLOW\u00ae Series Severe Service Control Valve<\/h3>\r\n<p style=\"text-align: center;\">AEROFLOW\u00ae high-performance, super-critical use control valves (formerly Leslie Controls) deliver superior accuracy and reliability for critical service applications, guaranteeing zero leakage with metal-to-metal seating and temperatures above 1200\u00b0F\/650\u00b0C.<\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/armstronginternational.com\/china\/products\/aeroflow-control-valve\/\">Learn More About AEROFLOW<sup>\u00ae<\/sup> Series Control Valves<\/a><\/p>","module_content_2":"<a class=\"no-arrow\" href=\"https:\/\/armstronginternational.com\/china\/products\/dboy-series-control-valve\/\"><img class=\"aligncenter wp-image-104556\" src=\"https:\/\/armstronginternational.com\/wp-content\/uploads\/dboy_controlvalve_render_20240123-scaled.jpg\" alt=\"\" width=\"300\" height=\"300\" data-wp-editing=\"1\" \/><\/a>\r\n<h3 style=\"text-align: center;\">D-Boy\u2122 Series Control Valve<\/h3>\r\n<p style=\"text-align: center;\">Designed for durability, D-Boy\u2122 Series medium-duty globe control valves offer improved flow capacity and easy maintenance.<\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/armstronginternational.com\/china\/products\/dboy-series-control-valve\/\">Learn More About D-Boy\u2122 Series Control Valves<\/a><\/p>","module_content_3":"<a class=\"no-arrow\" href=\"https:\/\/armstronginternational.com\/china\/products\/dlo-series-control-valve\/\"><img class=\"wp-image-104565 aligncenter\" src=\"https:\/\/armstronginternational.com\/wp-content\/uploads\/dlo_controlvalve_render_20240123-scaled.jpg\" alt=\"\" width=\"300\" height=\"300\" \/><\/a>\r\n<h3 style=\"text-align: center;\">DLO\u2122 Series General Service Globe Control Valve<\/h3>\r\n<p style=\"text-align: center;\">Compact and designed for easy maintenance, DLO\u2122 Series (S)-2 cage-retained control valves offer general purpose control of clean, dirty, viscous or corrosive liquids, and medium pressure clean or dirty steam and gas service.<\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/armstronginternational.com\/china\/products\/dlo-series-control-valve\/\">Learn More About DLO\u2122 (S) Series 2 Control Valves<\/a><\/p>","accordion":null,"content_connector":null,"download_box_heading":"","downloads":null,"menu_item":null},{"module":"3col","content_type_1":false,"padding":"pad-bottom","background":"none","image_position":false,"image_1":null,"image_2":null,"video_file":null,"color":"","font_color":"","section_heading":"","module_content_1":"<a class=\"no-arrow\" href=\"https:\/\/armstronginternational.com\/china\/products\/k-max-control-valve\/\"><img class=\"aligncenter wp-image-104574\" src=\"https:\/\/armstronginternational.com\/wp-content\/uploads\/KMAX-ACT_3Quarter-B-scaled.jpg\" alt=\"\" width=\"300\" height=\"300\" \/><\/a>\r\n<h3 style=\"text-align: center;\">K-Max\u2122 Control Valve<\/h3>\r\n<p style=\"text-align: center;\">K-Max\u2122 Eccentric Plug Rotary Globe Valves feature eccentric rotary plug action, bi-directional flow capability, economical design, rangeability, self-aligning orbital seat and an extraordinary flow control capacity.<\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/armstronginternational.com\/products\/k-max-control-valve\/\">Learn More About K-Max\u2122 Control Valves<\/a><\/p>","module_content_2":"<a class=\"no-arrow\" href=\"https:\/\/armstronginternational.com\/products\/dse-series-heavy-duty-globe-valve\/\"><img class=\"aligncenter wp-image-104663\" src=\"https:\/\/armstronginternational.com\/wp-content\/uploads\/DSE-scaled-1.jpg\" alt=\"\" width=\"300\" height=\"300\" \/><\/a>\r\n<h3 style=\"text-align: center;\">DSE Series Heavy Duty Globe Valve<\/h3>\r\n<p style=\"text-align: center;\">Heavy duties control valve with enhanced severe service design, improved flow capacity and easy maintenance.<\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/armstronginternational.com\/china\/products\/dse-series-heavy-duty-globe-valve\/\">Learn More About DSE Series Control Valves<\/a><\/p>","module_content_3":"<a class=\"no-arrow\" href=\"https:\/\/armstronginternational.com\/china\/products\/dos-dot-series-control-valves-leslie\/\"><img class=\"wp-image-104696 size-medium aligncenter\" src=\"https:\/\/armstronginternational.com\/wp-content\/uploads\/DOT-and-DOS-series-product-image-v3.jpg\" alt=\"\" width=\"300\" height=\"300\" \/><\/a>\r\n<h3 style=\"text-align: center;\">DOS and DOT Control Valves Obsolescence and Replacement Guide<\/h3>\r\n<p style=\"text-align: center;\">DOS and DOT Series Control Valves are no longer produced, however, Armstrong does provide new valve sales, engineering, aftermarket and spare parts support. While non-OEM parts may offer an initial price advantage, using them can result in unplanned downtime, premature failure, and higher ownership costs because they often lack the precision engineering, material integrity, and required compliance for critical applications.<\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/armstronginternational.com\/china\/products\/dos-dot-series-control-valves-leslie\/\">Learn More About DOS and DOT Replacement and Aftermarket Support<\/a><\/p>","accordion":null,"content_connector":null,"download_box_heading":"","downloads":null,"menu_item":null},{"module":"full","content_type_1":"standard","padding":"pad-top","background":"color","image_position":false,"image_1":null,"image_2":null,"video_file":null,"color":"#3d4052","font_color":"font-light","section_heading":"","module_content_1":"<h2>Delta2 Control Valves<\/h2>\r\nDelta2 began its journey in Italy in 1986, driven by a team of experienced specialists in industrial valve engineering and manufacturing. Through ongoing research and development of innovative technologies, the company's product portfolio continued to improve and expand. Delta2 was fully integrated into the Armstrong product porfolio in 2017.","module_content_2":"","module_content_3":"","accordion":null,"content_connector":null,"download_box_heading":"","downloads":null,"menu_item":null},{"module":"3col","content_type_1":false,"padding":"pad-bottom","background":"color","image_position":false,"image_1":null,"image_2":null,"video_file":null,"color":"#3d4052","font_color":"font-light","section_heading":"","module_content_1":"<a class=\"no-arrow\" href=\"https:\/\/armstronginternational.com\/china\/products\/fly-control-valve\/\"> <img class=\"size-full wp-image-104724 aligncenter\" src=\"https:\/\/armstronginternational.com\/china\/wp-content\/uploads\/sites\/6\/fly_control_valve_render-1-768x768-1.png\" alt=\"\" width=\"300\" height=\"300\" \/><\/a>\r\n<h3 style=\"text-align: center;\">FLY Series Control Valve<\/h3>\r\n<p style=\"text-align: center;\">Built for light-medium duties, Armstrong FLY Series (Delta2) general service, multi-use control valves deliver consistent performance, durability, and easy maintenance for various market sectors.<\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/armstronginternational.com\/china\/products\/fly-control-valve\/\">Learn More About FLY Series (Delta2) Control Valves<\/a><\/p>","module_content_2":"<a class=\"no-arrow\" href=\"https:\/\/armstronginternational.com\/china\/products\/smd-3-way-control-valve\/\"><img class=\"aligncenter\" src=\"https:\/\/armstronginternational.com\/wp-content\/uploads\/render_SMD_mixing_valve_20251006-scaled.png\" alt=\"\" width=\"300\" height=\"300\" \/><\/a>\r\n<h3 style=\"text-align: center;\">SMD Series 3-Way Control Valve<\/h3>\r\n<p style=\"text-align: center;\">Suitable for various market sectors, SMD Series 3-Way Globe Control Valves (Delta2) for mixing or diverting service provide enhanced flow control, and high flow and low-pressure recovery. Available with pneumatic, electric and hydraulic actuators besides full range of accessories.<\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/armstronginternational.com\/china\/products\/smd-3-way-control-valve\/\">Learn More About SMD Series (Delta2) Control Valves<\/a><\/p>","module_content_3":"<a class=\"no-arrow\" href=\"https:\/\/armstronginternational.com\/china\/products\/drp-internal-external-piloted-control-valve-prv-direct-acting\/\"><img class=\"size-full wp-image-104715 aligncenter\" src=\"https:\/\/armstronginternational.com\/china\/wp-content\/uploads\/sites\/6\/CV5-768x768-1.png\" alt=\"\" width=\"300\" height=\"300\" \/><\/a>\r\n<h3 style=\"text-align: center;\">DRP Series Internal\/External Piloted Control Valve<\/h3>\r\n<p style=\"text-align: center;\">DRP Series (Delta2) Globe Self-Actuated Pressure Reducing\/Relief Control Valves are designed for a wide range of process applications.<\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/armstronginternational.com\/china\/products\/drp-internal-external-piloted-control-valve-prv-direct-acting\/\">Learn More About DRP Series Control Valves<\/a><\/p>","accordion":null,"content_connector":null,"download_box_heading":"","downloads":null,"menu_item":null},{"module":"side","content_type_1":false,"padding":"pad-both","background":false,"image_position":"left","image_1":91989,"image_2":null,"video_file":null,"color":"","font_color":"","section_heading":"","module_content_1":"<h2>Python<sup>\u00ae<\/sup> 1500 Series Control Valves<\/h2>\r\nPython<sup>\u00ae<\/sup> 1500 Series Globe 2-Way Single Seated Design Control Valves deliver accuracy and efficiency for most steam and liquid applications.\r\n\r\n<a href=\"https:\/\/armstronginternational.com\/china\/products\/cv-1500-control-valve\/\">Learn More About Python<sup>\u00ae<\/sup> 1500 Series Control Valves<\/a>","module_content_2":"","module_content_3":"","accordion":null,"content_connector":null,"download_box_heading":"","downloads":null,"menu_item":null},{"module":"full","content_type_1":"standard","padding":"pad-both","background":"color","image_position":false,"image_1":null,"image_2":null,"video_file":null,"color":"#eeeeee","font_color":"font-dark","section_heading":"","module_content_1":"<h2>Actuation<\/h2>\r\n<table style=\"border: none; border-collapse: collapse;\">\r\n<tbody>\r\n<tr>\r\n<td style=\"font-size: 0.9em;\"><strong>Product Type<\/strong><\/td>\r\n<td style=\"font-size: 0.9em;\"><strong>Sizes<\/strong><\/td>\r\n<td style=\"font-size: 0.9em;\"><strong>Description<\/strong><\/td>\r\n<td style=\"font-size: 0.9em;\"><strong>Features<\/strong><\/td>\r\n<td style=\"font-size: 0.9em;\"><strong>Material<\/strong><\/td>\r\n<td style=\"font-size: 0.9em;\"><strong>Pressure<\/strong><\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"color: #222222; font-size: 0.85em;\"><strong>D-Boy\u2122, DLO\u2122 Spring and Diaphragm Series Actuators<\/strong><\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">35, 55, 85, 135<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Armstrong spring and diaphragm actuators are rugged, high-thrust units with flanged yoke to bonnet connections for simple maintenance and better access to stem packing. These control valve workhorses have been proven and perfected during nearly 40 years of in-service usage. Available in the following sizes: 35 in (890 mm), 55 in (1,400 mm), 85 in (2,160 mm), and 135 in (3,430 mm).<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Compact with strength to deliver quick, accurate control. Rugged cast iron or aluminum yoke with steel covers for long, trouble-free service.<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Aluminum, Cast Iron<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Max air pressure 60<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"color: #222222; font-size: 0.85em;\"><strong>AEROFLOW<sup>\u00ae<\/sup> Magnum Series Piston Actuator<\/strong><\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">6, 10, 13, 16, 20<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Magnum Series piston actuators use low volume and long stroke to maximize bleed and feed rates. Externally mounted spring return modules minimize residual volume and maximize speed of response. The High-Capacity Smart positioners we use, provides ultra-fast, stable response using internal XL air supply conduits suitable also for large piston actuators. Our positioner supplies a digitally controlled pneumatic output and Pro-Diagnostics can be requested to provide extremely precise and high performances of the system against super-critical duties.<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Higher working thrust capability, severe service actuation line, long stroke to 7 in (180 mm) or greater, reverse option with double-acting spring return, manual override AEROFLOW<sup>\u00ae<\/sup> control valve with 6 in (150 mm) Magnum actuator, stroke speed can exceed 3 in (75 mm) per second.<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Aluminum, Cast Iron<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Max air pressure 150<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"color: #222222; font-size: 0.85em;\"><strong>FLY-GS, FLY, DSE, AEROFLOW<sup>\u00ae<\/sup> MS Spring and Diaphragm Series Actuators<\/strong><\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">22, 29, 37, 44, 44L<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Armstrong MS Multi-Spring actuators have been designed for the most demanding applications in Oil &amp; Gas and Power market and beyond. Made of steel materials with several spring ranges to optimize the air consumption and obtaining the necessary thrust for each application.<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Heavy-Duty Multi Spring actuators with extended stroke range from 5\/8 in (16 mm) to 4 in (102 mm). Designed with NAMUR cast yoke for Universal accessories installation and Lateral Handwheel as recommended in the most severe environments.<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Steel, Stainless Steel, Cast Iron yoke<\/td>\r\n<td style=\"color: #222222; font-size: 0.85em;\">Max air pressure 62<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>","module_content_2":"","module_content_3":"","accordion":null,"content_connector":null,"download_box_heading":"","downloads":null,"menu_item":null},{"module":"side","content_type_1":false,"padding":"pad-top","background":false,"image_position":"left","image_1":91991,"image_2":null,"video_file":null,"color":"","font_color":"","section_heading":"","module_content_1":"<h2>Aftermarket Solutions<\/h2>\r\nFrom identifying the best solution to fulfill your valve requirements and determining cost of ownership through implementation and expert aftermarket support, Armstrong does it all. Our experts work with you to take everything into consideration, including:\r\n<ul>\r\n \t<li>Installation costs<\/li>\r\n \t<li>Industry and application requirements<\/li>\r\n \t<li>Options for repair or replacement<\/li>\r\n \t<li>Product life cycle<\/li>\r\n \t<li>Maintenance requirements<\/li>\r\n \t<li>Technical support<\/li>\r\n \t<li>OEM parts<\/li>\r\n \t<li>ROI<\/li>\r\n<\/ul>","module_content_2":"","module_content_3":"","accordion":null,"content_connector":null,"download_box_heading":"","downloads":null,"menu_item":null}]},"_links":{"self":[{"href":"https:\/\/armstronginternational.com\/china\/wp-json\/wp\/v2\/pages\/91982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/armstronginternational.com\/china\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/armstronginternational.com\/china\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/armstronginternational.com\/china\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/armstronginternational.com\/china\/wp-json\/wp\/v2\/comments?post=91982"}],"version-history":[{"count":0,"href":"https:\/\/armstronginternational.com\/china\/wp-json\/wp\/v2\/pages\/91982\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/armstronginternational.com\/china\/wp-json\/wp\/v2\/pages\/4220"}],"wp:attachment":[{"href":"https:\/\/armstronginternational.com\/china\/wp-json\/wp\/v2\/media?parent=91982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}