{"id":8214,"date":"2025-04-30T17:31:14","date_gmt":"2025-04-30T09:31:14","guid":{"rendered":"https:\/\/www.oilfieldsequipments.com\/?post_type=product&#038;p=8214"},"modified":"2025-04-30T17:31:14","modified_gmt":"2025-04-30T09:31:14","slug":"controlair-valve-rexroth-valve-hd-2-fx-r431002824-r431002823-r431002825-r431002645-4","status":"publish","type":"product","link":"https:\/\/www.oilfieldsequipments.com\/?product=controlair-valve-rexroth-valve-hd-2-fx-r431002824-r431002823-r431002825-r431002645-4","title":{"rendered":"Controlair Valve\/ Rexroth Valve HD-2-Fx\/R431002824\/R431002823\/R431002825 R431002645"},"content":{"rendered":"<p><span>Description of Models<\/span><span><br \/>\n<\/span><span>The HD-2 Type Controlair Valves are handle operated<\/span><span><br \/>\n<\/span><span>4-way, exhausted center, pressure control<\/span><span><br \/>\n<\/span><span>valves.<\/span><span><br \/>\n<\/span><span>The typical unit contains two directional control 3-way<\/span><span><br \/>\n<\/span><span>side valves and a pressure graduating portion that is<\/span><span><br \/>\n<\/span><span>arranged to increase, decrease or maintain air pressure<\/span><span><br \/>\n<\/span><span>to a separate delivery line. In neutral position,<\/span><span><br \/>\n<\/span><span>both 3-way side valves exhaust both delivery lines. A<\/span><span><br \/>\n<\/span><span>movement of 10 degrees either side of center position<\/span><span><br \/>\n<\/span><span>opens the appropriate side valve and directs<\/span><span><br \/>\n<\/span><span>pressure to the indicated outlet port. Continued<\/span><span><br \/>\n<\/span><span>movement past 10 degrees up to full travel, or 46<\/span><span><br \/>\n<\/span><span>degrees either side of neutral continues to actuate<\/span><span><br \/>\n<\/span><span>the pressure graduating portion to deliver a graduated<\/span><span><br \/>\n<\/span><span>pressure according to the valve of the control<\/span><span><br \/>\n<\/span><span>spring.<\/span><span><br \/>\n<\/span><span><br \/>\n<\/span><span>Models<\/span><span><br \/>\n<\/span><span>There are six models with similar valve functions, but<\/span><span><br \/>\n<\/span><span>different handle operating characteristics.<\/span><span><br \/>\n<\/span><span>HD-2-X Controlair Valve -Handle is spring returned<\/span><span><br \/>\n<\/span><span>to neutral position from all positions in the handle<\/span><span><br \/>\n<\/span><span>travel. Some special models exist. See notes on<\/span><span><br \/>\n<\/span><span>Identity schedule on page 7.<\/span><span><br \/>\n<\/span><span>HD-2-LX Controlair Valve &#8211; Handle is spring returned<\/span><span><br \/>\n<\/span><span>to neutral position from all positions except at<\/span><span><br \/>\n<\/span><span>the maximum pressure setting on both sides of center.<\/span><span><br \/>\n<\/span><span>The handle is held in both extreme positions by<\/span><span><br \/>\n<\/span><span>a mechanical detent.<\/span><span><br \/>\n<\/span><span>HD-2-FX Controlair Valve &#8211; Handle is equipped with<\/span><span><br \/>\n<\/span><span>a friction brake that will hold the handle in any position<\/span><span><br \/>\n<\/span><span>selected in the handle travel.<\/span><span><br \/>\n<\/span><span>HD-2-XS Controlair Valve &#8211; Handle detents in both<\/span><span><br \/>\n<\/span><span>maximum pressure positions. The handle is spring<\/span><span><br \/>\n<\/span><span>returned to neutral position from all other positions in<\/span><span><br \/>\n<\/span><span>the handle travel. Graduated pressure to port (8) is<\/span><span><br \/>\n<\/span><span>only delivered in one direction of the handle movement.<\/span><span><br \/>\n<\/span><span>HD-2-FXR Controlair Valve &#8211; Handle function is<\/span><span><br \/>\n<\/span><span>similar to the HD-2-FX Valve. The difference is the<\/span><span><br \/>\n<\/span><span>two directional valves are supplied instead of being<\/span><span><br \/>\n<\/span><span>exhausted when the handle is in the neutral position,<\/span><span><br \/>\n<\/span><span>HD-2-LS Controlair Valve- Handle holds in full travel,<\/span><span><br \/>\n<\/span><span>neutral and detent positions.<\/span><span><br \/>\n<\/span><span>H-2-X\/P50493-3 R431002640<\/span><span><br \/>\n<\/span><span>H-2-LX\/P50499-3 R431002654<\/span><span><br \/>\n<\/span><span>H-4\/P50967-1 R431002818<\/span><span><br \/>\n<\/span><span>H-4\/P50967-2 R431002819<\/span><span><br \/>\n<\/span><span>H-4 \/P50967-3 R431002820<\/span><span><br \/>\n<\/span><span>HD-2-FX\/P50970-1 R431002823\/ IA295<\/span><span><br \/>\n<\/span><span>HD-2-FX\/P50970-3 R431002825\/ IA295<\/span><span><br \/>\n<\/span><span>HD-2-X\/P50973-1\/ R431002831\/ IA295<\/span><span><br \/>\n<\/span><span>HD-2-X\/P50973-3 R431002833 \/IA295<\/span><span><br \/>\n<\/span><span>HC-2-X\/P50975-3 R431002837<\/span><span><br \/>\n<\/span><span>HE-2-FX\/P51612 -1 R431002912\/ IA285<\/span><span><br \/>\n<\/span><span>HE-2-FX\/P51612-3 R431002914 \/ IA285<\/span><span><br \/>\n<\/span><span>P52935-4 R431003040<\/span><span><br \/>\n<\/span><span>H-1-A\/P52971-1 R431003063<\/span><span><br \/>\n<\/span><span>2-BA-1\/P54692-2\/ R431003427 \/IA198<\/span><span><br \/>\n<\/span><span>2-BA-1\/P54692-4 R431003429\/ IA198<\/span><span><br \/>\n<\/span><span>4-S\/P55161 R431003664<\/span><span><br \/>\n<\/span><span>6-S\/P55162 R431003665<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/66a4c7adfadeb1fa05d0f7a442fd60f-6-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" class=\"alignnone size-medium wp-image-8182\" srcset=\"https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/66a4c7adfadeb1fa05d0f7a442fd60f-6-225x300.jpg 225w, 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height=\"300\" class=\"alignnone size-medium wp-image-8180\" srcset=\"https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-10-225x300.jpg 225w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-10-768x1024.jpg 768w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-10-1152x1536.jpg 1152w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-10-1536x2048.jpg 1536w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-10-600x800.jpg 600w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/5bef0ed0662bf80b1d44c8ba497d5ee-10-scaled.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><img loading=\"lazy\" decoding=\"async\" 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225px\" \/><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-7-300x225.jpg\" alt=\"\" width=\"403\" height=\"302\" class=\"alignnone  wp-image-8172\" srcset=\"https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-7-300x225.jpg 300w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-7-1024x768.jpg 1024w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-7-768x576.jpg 768w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-7-1536x1152.jpg 1536w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-7-2048x1536.jpg 2048w, https:\/\/www.oilfieldsequipments.com\/wp-content\/uploads\/2025\/04\/0d0624965d7cce3709e0a794b6aa66d-7-600x450.jpg 600w\" sizes=\"auto, (max-width: 403px) 100vw, 403px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Description of Models The HD-2 Type Controlair Val [&hellip;]<\/p>\n","protected":false},"featured_media":8182,"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-8214","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":"https:\/\/www.oilfieldsequipments.com\/index.php?rest_route=\/wp\/v2\/product\/8214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oilfieldsequipments.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.oilfieldsequipments.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oilfieldsequipments.com\/index.php?rest_route=\/wp\/v2\/media\/8182"}],"wp:attachment":[{"href":"https:\/\/www.oilfieldsequipments.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8214"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.oilfieldsequipments.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=8214"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.oilfieldsequipments.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=8214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}