{"id":7422,"date":"2025-04-12T09:56:50","date_gmt":"2025-04-12T01:56:50","guid":{"rendered":"https:\/\/www.oilfieldsequipments.com\/?post_type=product&#038;p=7422"},"modified":"2025-04-12T09:56:50","modified_gmt":"2025-04-12T01:56:50","slug":"controlair-valve-rexroth-valve-hd-2-fx-r431002824-r431002823-r431002825-r431002645-2","status":"publish","type":"product","link":"http:\/\/www.oilfieldsequipments.com\/?product=controlair-valve-rexroth-valve-hd-2-fx-r431002824-r431002823-r431002825-r431002645-2","title":{"rendered":"Controlair Valve\/ Rexroth Valve HD-2-Fx\/R431002824\/R431002823\/R431002825 R431002645"},"content":{"rendered":"<p><span><b>Description of Models<\/b><\/span><br \/>\n<span><b>The HD-2 Type Controlair Valves <\/b>are handle operated<\/span><br \/>\n<span>4-way, exhausted center, pressure control<\/span><br \/>\n<span>valves.<\/span><br \/>\n<span>The typical unit contains two directional control 3-way<\/span><br \/>\n<span>side valves and a pressure graduating portion that is<\/span><br \/>\n<span>arranged to increase, decrease or maintain air pressure<\/span><br \/>\n<span>to a separate delivery line. In neutral position,<\/span><br \/>\n<span>both 3-way side valves exhaust both delivery lines. A<\/span><br \/>\n<span>movement of 10 degrees either side of center position<\/span><br \/>\n<span>opens the appropriate side valve and directs<\/span><br \/>\n<span>pressure to the indicated outlet port. Continued<\/span><br \/>\n<span>movement past 10 degrees up to full travel, or 46<\/span><br \/>\n<span>degrees either side of neutral continues to actuate<\/span><br \/>\n<span>the pressure graduating portion to deliver a graduated<\/span><br \/>\n<span>pressure according to the valve of the control<\/span><br \/>\n<span>spring.<\/span><\/p>\n<p><span><b>Models<\/b><\/span><br \/>\n<span>There are six models with similar valve functions, but<\/span><br \/>\n<span>different handle operating characteristics.<\/span><br \/>\n<span><b>HD-2-X Controlair Valve <\/b>-Handle is spring returned<\/span><br \/>\n<span>to neutral position from all positions in the handle<\/span><br \/>\n<span>travel. Some special models exist. See notes on<\/span><br \/>\n<span>Identity schedule on page 7.<\/span><br \/>\n<span><b>HD-2-LX Controlair Valve <\/b>&#8211; Handle is spring returned<\/span><br \/>\n<span>to neutral position from all positions except at<\/span><br \/>\n<span>the maximum pressure setting on both sides of center.<\/span><br \/>\n<span>The handle is held in both extreme positions by<\/span><br \/>\n<span>a mechanical detent.<\/span><br \/>\n<span><b>HD-2-FX Controlair Valve <\/b>&#8211; Handle is equipped with<\/span><br \/>\n<span>a friction brake that will hold the handle in any position<\/span><br \/>\n<span>selected in the handle travel.<\/span><br \/>\n<span><b>HD-2-XS Controlair Valve <\/b>&#8211; Handle detents in both<\/span><br \/>\n<span>maximum pressure positions. The handle is spring<\/span><br \/>\n<span>returned to neutral position from all other positions in<\/span><br \/>\n<span>the handle travel. Graduated pressure to port (8) is<\/span><br \/>\n<span>only delivered in one direction of the handle movement.<\/span><br \/>\n<span><b>HD-2-FXR Controlair Valve <\/b>&#8211; Handle function is<\/span><br \/>\n<span>similar to the HD-2-FX Valve. The difference is the<\/span><br \/>\n<span>two directional valves are <i>supplied <\/i>instead of being<\/span><br \/>\n<span><i>exhausted <\/i>when the handle is in the neutral position,<\/span><br \/>\n<span><b>HD-2-LS Controlair Valve<\/b>&#8211; Handle holds in full travel,<\/span><br \/>\n<span>neutral and detent positions.<\/span><\/p>\n<p><span><b>H-2-X\/P50493-3 R431002640<\/b><\/span><br \/>\n<span><b>H-2-LX\/P50499-3 R431002654<\/b><\/span><br \/>\n<span><b>H-4\/P50967-1 R431002818<\/b><\/span><br \/>\n<span><b>H-4\/P50967-2 R431002819<\/b><\/span><br \/>\n<span><b>H-4 \/P50967-3 R431002820<\/b><\/span><br \/>\n<span><b>HD-2-FX\/P50970-1 R431002823\/ IA295<\/b><\/span><br \/>\n<span><b>HD-2-FX\/P50970-3 R431002825\/ IA295<\/b><\/span><br \/>\n<span><b>HD-2-X\/P50973-1\/ R431002831\/ IA295<\/b><\/span><br \/>\n<span><b>HD-2-X\/P50973-3 R431002833 \/IA295<\/b><\/span><br \/>\n<span><b>HC-2-X\/P50975-3 R431002837<\/b><\/span><br \/>\n<span><b>HE-2-FX\/P51612 -1 R431002912\/ IA285<\/b><\/span><br \/>\n<span><b>HE-2-FX\/P51612-3 R431002914 \/ IA285<\/b><\/span><br \/>\n<span><b>P52935-4 R431003040<\/b><\/span><br \/>\n<span><b>H-1-A\/P52971-1 R431003063<\/b><\/span><br \/>\n<span><b>2-BA-1\/P54692-2\/ R431003427 \/IA198<\/b><\/span><br \/>\n<span><b>2-BA-1\/P54692-4 R431003429\/ IA198<\/b><\/span><br \/>\n<span><b>4-S\/P55161 R431003664<\/b><\/span><br \/>\n<span><b>6-S\/P55162 R431003665<\/b><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-2-300x225.jpg\" alt=\"\" width=\"399\" height=\"299\" class=\"alignnone  wp-image-7423\" srcset=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-2-300x225.jpg 300w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-2-1024x768.jpg 1024w, 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http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-2-768x1024.jpg 768w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-2-1152x1536.jpg 1152w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-2-1536x2048.jpg 1536w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-2-600x800.jpg 600w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-2-scaled.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/13d9d00738f91acd27c056db6469261-5-300x225.jpg\" alt=\"\" width=\"395\" height=\"296\" class=\"alignnone  wp-image-7425\" srcset=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/13d9d00738f91acd27c056db6469261-5-300x225.jpg 300w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/13d9d00738f91acd27c056db6469261-5-1024x768.jpg 1024w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/13d9d00738f91acd27c056db6469261-5-768x576.jpg 768w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/13d9d00738f91acd27c056db6469261-5-1536x1152.jpg 1536w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/13d9d00738f91acd27c056db6469261-5-2048x1536.jpg 2048w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/13d9d00738f91acd27c056db6469261-5-600x450.jpg 600w\" sizes=\"auto, (max-width: 395px) 100vw, 395px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p><span><b>Description of Models<\/b><\/span><br \/>\n<span><b>The HD-2 Type Controlair Valves <\/b>are handle operated<\/span><br \/>\n<span>4-way, exhausted center, pressure control<\/span><br \/>\n<span>valves.<\/span><br \/>\n<span>The typical unit contains two directional control 3-way<\/span><br \/>\n<span>side valves and a pressure graduating portion that is<\/span><br \/>\n<span>arranged to increase, decrease or maintain air pressure<\/span><br \/>\n<span>to a separate delivery line. In neutral position,<\/span><br \/>\n<span>both 3-way side valves exhaust both delivery lines. A<\/span><br \/>\n<span>movement of 10 degrees either side of center position<\/span><br \/>\n<span>opens the appropriate side valve and directs<\/span><br \/>\n<span>pressure to the indicated outlet port. Continued<\/span><br \/>\n<span>movement past 10 degrees up to full travel, or 46<\/span><br \/>\n<span>degrees either side of neutral continues to actuate<\/span><br \/>\n<span>the pressure graduating portion to deliver a graduated<\/span><br \/>\n<span>pressure according to the valve of the control<\/span><br \/>\n<span>spring.<\/span><\/p>\n<p><span><b>Models<\/b><\/span><br \/>\n<span>There are six models with similar valve functions, but<\/span><br \/>\n<span>different handle operating characteristics.<\/span><br \/>\n<span><b>HD-2-X Controlair Valve <\/b>-Handle is spring returned<\/span><br \/>\n<span>to neutral position from all positions in the handle<\/span><br \/>\n<span>travel. Some special models exist. See notes on<\/span><br \/>\n<span>Identity schedule on page 7.<\/span><br \/>\n<span><b>HD-2-LX Controlair Valve <\/b>&#8211; Handle is spring returned<\/span><br \/>\n<span>to neutral position from all positions except at<\/span><br \/>\n<span>the maximum pressure setting on both sides of center.<\/span><br \/>\n<span>The handle is held in both extreme positions by<\/span><br \/>\n<span>a mechanical detent.<\/span><br \/>\n<span><b>HD-2-FX Controlair Valve <\/b>&#8211; Handle is equipped with<\/span><br \/>\n<span>a friction brake that will hold the handle in any position<\/span><br \/>\n<span>selected in the handle travel.<\/span><br \/>\n<span><b>HD-2-XS Controlair Valve <\/b>&#8211; Handle detents in both<\/span><br \/>\n<span>maximum pressure positions. The handle is spring<\/span><br \/>\n<span>returned to neutral position from all other positions in<\/span><br \/>\n<span>the handle travel. Graduated pressure to port (8) is<\/span><br \/>\n<span>only delivered in one direction of the handle movement.<\/span><br \/>\n<span><b>HD-2-FXR Controlair Valve <\/b>&#8211; Handle function is<\/span><br \/>\n<span>similar to the HD-2-FX Valve. The difference is the<\/span><br \/>\n<span>two directional valves are <i>supplied <\/i>instead of being<\/span><br \/>\n<span><i>exhausted <\/i>when the handle is in the neutral position,<\/span><br \/>\n<span><b>HD-2-LS Controlair Valve<\/b>&#8211; Handle holds in full travel,<\/span><br \/>\n<span>neutral and detent positions.<\/span><\/p>\n<p><span><b>H-2-X\/P50493-3 R431002640<\/b><\/span><br \/>\n<span><b>H-2-LX\/P50499-3 R431002654<\/b><\/span><br \/>\n<span><b>H-4\/P50967-1 R431002818<\/b><\/span><br \/>\n<span><b>H-4\/P50967-2 R431002819<\/b><\/span><br \/>\n<span><b>H-4 \/P50967-3 R431002820<\/b><\/span><br \/>\n<span><b>HD-2-FX\/P50970-1 R431002823\/ IA295<\/b><\/span><br \/>\n<span><b>HD-2-FX\/P50970-3 R431002825\/ IA295<\/b><\/span><br \/>\n<span><b>HD-2-X\/P50973-1\/ R431002831\/ IA295<\/b><\/span><br \/>\n<span><b>HD-2-X\/P50973-3 R431002833 \/IA295<\/b><\/span><br \/>\n<span><b>HC-2-X\/P50975-3 R431002837<\/b><\/span><br \/>\n<span><b>HE-2-FX\/P51612 -1 R431002912\/ IA285<\/b><\/span><br \/>\n<span><b>HE-2-FX\/P51612-3 R431002914 \/ IA285<\/b><\/span><br \/>\n<span><b>P52935-4 R431003040<\/b><\/span><br \/>\n<span><b>H-1-A\/P52971-1 R431003063<\/b><\/span><br \/>\n<span><b>2-BA-1\/P54692-2\/ R431003427 \/IA198<\/b><\/span><br \/>\n<span><b>2-BA-1\/P54692-4 R431003429\/ IA198<\/b><\/span><br \/>\n<span><b>4-S\/P55161 R431003664<\/b><\/span><br \/>\n<span><b>6-S\/P55162 R431003665<\/b><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/576c8b8c264037478c77f4c25dad199-2-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" class=\"alignnone size-medium wp-image-7426\" srcset=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/576c8b8c264037478c77f4c25dad199-2-225x300.jpg 225w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/576c8b8c264037478c77f4c25dad199-2-768x1024.jpg 768w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/576c8b8c264037478c77f4c25dad199-2-1152x1536.jpg 1152w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/576c8b8c264037478c77f4c25dad199-2-1536x2048.jpg 1536w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/576c8b8c264037478c77f4c25dad199-2-600x800.jpg 600w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/576c8b8c264037478c77f4c25dad199-2-scaled.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/> <img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/abeef6c41aab85142fca42e35cd2bd1-1-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" class=\"alignnone size-medium wp-image-7427\" srcset=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/abeef6c41aab85142fca42e35cd2bd1-1-225x300.jpg 225w, 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srcset=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/e6e6d74a17abf83a98771404f9a1053-4-225x300.jpg 225w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/e6e6d74a17abf83a98771404f9a1053-4-768x1024.jpg 768w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/e6e6d74a17abf83a98771404f9a1053-4-1152x1536.jpg 1152w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/e6e6d74a17abf83a98771404f9a1053-4-1536x2048.jpg 1536w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/e6e6d74a17abf83a98771404f9a1053-4-600x800.jpg 600w, http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/e6e6d74a17abf83a98771404f9a1053-4-scaled.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/p>\n","protected":false},"featured_media":7423,"template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_cat":[200],"product_tag":[],"class_list":{"0":"post-7422","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-rexroth-aventics-control-air-valve","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/www.oilfieldsequipments.com\/index.php?rest_route=\/wp\/v2\/product\/7422","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.oilfieldsequipments.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"http:\/\/www.oilfieldsequipments.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.oilfieldsequipments.com\/index.php?rest_route=\/wp\/v2\/media\/7423"}],"wp:attachment":[{"href":"http:\/\/www.oilfieldsequipments.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7422"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"http:\/\/www.oilfieldsequipments.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=7422"},{"taxonomy":"product_tag","embeddable":true,"href":"http:\/\/www.oilfieldsequipments.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=7422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}