[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-664831-105":3,"detail-sidebar-cat-0-en-105":80,"doc-detail-664831-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":73,"head_meta":75,"extra_data":77,"updated_unix":79},105,"en","low-pressure-oem-valves-series-9040-technical-specifications","Low Pressure OEM Valves Series 9040 - Technical Specifications","","Low Pressure OEM Valves Series 9040 and 9080 describe original Shear-Seal technology designed for low pressure drop and reliable sealing despite contaminants. The valves support spring return options and flexible design for varied control needs. Specifications cover working pressures up to 500 psi, back pressure limits for stable return-port operation, defined proof and burst pressure multipliers, and a media temperature range from -40°F to +250°F. Materials and standard O-rings are listed along with flow-related parameters and technical drawing dimensions.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/low-pressure-oem-valves-series-9040-technical-specifications/664831/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/low-pressure-oem-valves-series-9040-technical-specifications/664831.png","ImageObject",300,407,{"name":42,"@type":43},"EvelynWrites","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-10-29",true,{"@type":52,"interactionType":53,"userInteractionCount":30},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"What working pressure and back pressure limits are specified for the Low Pressure OEM Valves Series 9040 and 9080?","Question",{"text":62,"@type":63},"Working pressure covers gases or hydraulic fluids up to 500 psi (34 bar). Back pressure at the return port must not exceed 250 psi (17.2 bar) for satisfactory operation.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"What temperature range and proof/burst pressure criteria apply?",{"text":67,"@type":63},"The media temperature range is -40° to +250°F (-40° to +121°C). Proof pressure is 1.5x the working pressure (except at the return port), and burst pressure is 2x the working pressure (except at the return port, with a stated 500 psi/34 bar case).",{"name":69,"@type":60,"acceptedAnswer":70},"How are the 9040 and 9080 valve series configured in terms of porting and typical use?",{"text":71,"@type":63},"Series 9040 uses regular (side) porting, while Series 9080 uses straight (bottom) porting. Applications listed include paper mill controls, air pilot valves, Halon fill systems, heating oil control, and compressed gas manifold control.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},664831,1793275093,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":88,"show_sort_weight":89,"slug":90},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":92,"show_sort_weight":93,"slug":94},"Exam",70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":102,"slug":103},6,50,"technology",{"id":105,"doc_module":4,"doc_module_name":25,"category_name":106,"show_sort_weight":107,"slug":108},7,"Healthcare",40,"healthcare",{"id":110,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},8,"Research & Report",30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":96,"slug":129},19,"General","general",{"code":4,"msg":81,"data":131},{"doc_id":78,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":101,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":30,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":26,"language":139,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":12,"update_tm":79,"read_time":96},687212989558,"https://ap-avatar.wpscdn.com/davatar_a8503ba1806abce46bf441b54a3ca4cd","Low Pressure OEM Valves Series 9040, 9080  \nFeatures  \n Original Shear-Seal® technology  \n Low pressure drop  \n Tolerates contaminates  \n Spring return option  \n Flexible design  \nApplications  \n Paper mill controls  \n Air pilot valves  \n Halon fill systems  \n Heating oil control  \n Compressed gas manifold control  \nPatent \\# 3,014,499  \nGeneral Specifications*  \n\n| Working Pressure: | Gasses or hydraulic fluids up to 500 psi (34 bar) |\n| --- | --- |\n| Flow Capacity, Cv: | See table |\n| Back Pressure: | Must not exceed 250 psi (17.2 bar) at return port for satisfactory operation |\n| Pressure Drop: | 14 psi (0.96 bar) at 20 ft/sec See Supplemental Guide for more detailed information |\n| Proof Pressure: | 1.5x times working pressure except at return port |\n| Burst Pressure: | 2x times working pressure except at return port (500 psi [34 bar]) |\n\n\n| Media Temperature Range: | -40° to +250°F (-40° to +121°C) |\n| --- | --- |\n| Wetted Material: Rotor: | Hard anodized aluminum |\n| Pressure Seals: | Brass |\n| Shaft: | Stainless steel |\n| Body, Housing: | Anodized aluminum |\n| Bearings: | PTFE/stainless steel |\n| Standard O-rings: | Buna N, others available |\n\n* See product configurator for additional options.  \n|  | Flow Capacity (Approx.)\u003Cbr>Service: Oil |  |  | Min. Flow\u003Cbr>Passage\u003Cbr>Dia. | Cv\u003Cbr>Factor | Approx. Ship\u003Cbr>ping\u003Cbr>Weight\u003Cbr>lbs (kgs) |\n| --- | --- | --- | --- | --- | --- | --- |\n| Main Valve\u003Cbr>Port Size | 20 ft/sec\u003Cbr>gpm\u003Cbr>(l/min) | 40 ft/sec\u003Cbr>gpm\u003Cbr>(l/min) | 60 ft/sec\u003Cbr>gpm\u003Cbr>(l/min) |  |  |  |\n| 1/2” & 3/4” | 14 (53) | 28 (106) | Use\u003Cbr>Heavy\u003Cbr>Duty\u003Cbr>Valve | 17/32” | 4.80 | 4.5 (2 .0) |\n| 1” | 25 (95) | 51 (190) |  | 23/32” | 9.20 | 11.5 (5 .2) |\n\n3211 Fruitland Avenue • Los Angeles, CA 90058 • 800-835-1060 • Fax: 323-589-3463 • [www.barksdale.com](www.barksdale.com)  \nSee Barksdale’s Standard Conditions of Sale • Specifications are subject to modification at any time •\\# B0055-D• 5/25 • ©2025• Printed in the U.S.A.  \nLow Pressure OEM Valves Series 9040, 9080  \nTechnical Drawings  \n9040 SERIES   \n9040 Series Regular (side) Porting  \n\n| Port Size\u003Cbr>NPT | A | B | C | C1 | D | E | F | G\u003Cbr>Dia. | G1 Dia. | H | J | J1 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1/2\" & 3/4\" | 3.5 (88 .9) | 5.44 (138) | 7.37 (187 .3) | 7.94 (201 .6) | 2.56 (65 .0) | 3/8-16 NC | 3.03 (77 .0) | 0.56 (14 .2) | 2.56 (65 .0) | 0.88 (22 .4) | 3.38 (85 .9) | 3.94 (100) |\n| 1\" | 4.5 (114) | 8.44 (214) | 8.16 (207) | 9.03 (229 .4) | 3.31 (84 . 1) | 1/2-13 NC | 3.59 (91 .2) | 0.75 (19 . 1) | 3.375 (85 .7) | 1.06 (26 .9) | 3.94 (100) | 4.81 (122 .2) |\n\n9080 Series Straight (bottom) Porting  \n\n| Port Size\u003Cbr>NPT | A | B | C | C1 | D | E | F | G\u003Cbr>Dia. | G1 Dia. | H | J | J1 |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1/2\" & 3/4\" | 4.19 (106) | 5.44 (138) | 7.34 (186) | 7.9 (200 .8) | 2.56 (65 .0) | 3/8-16 NC | 3.88 (98 .6) | 0.56 (14 .2) | 2.56 (65 .0) | 2.50 (65 .5) | 4.22 (107) | 4.78 (121) |\n\nDimensions in inches (mm)  \n\n| Example: | 904 | 5 | R | 0 | A | C | 3 |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n\nProduct Configurator  \nSeries  \n904 Regular (side) porting  \n908 Straight (bottom) porting  \nPort Size  \nStyle  \nRegular (side) porting,(Series 904)  \nClosed center  \nOptions  \nSee Supplemental Guide for complete list  \nOptions  \n-A SAE porting  \n-MC Spring centering  \nPosition  \nThree position  \n-  \n1/2” NPT ports  \n1” NPT ports (Series 904 only)  \nPressure Range  \n0 500 psi max.  \nService  \nAir (pneumatic) or hydraulic fluid  \nFlow Pattern  \nOpen center (tandem center)  \n\n|  |\n| --- |\n|  |\n\n3/4” NPT ports  \nStraight (bottom) porting,(Series 908)  \nA  \n3  \n|  |\n| --- |\n|  |\n\n\n| C |\n| --- |\n| O |\n\n\n| 3 |\n| --- |\n| 4 |\n| 5 |\n\n\n| R |\n| --- |\n| S |\n\n3211 Fruitland Avenue • Los Angeles, CA 90058 • 800-835-1060 • Fax: 323-589-3463 • [www.barksdale.com](www.barksdale.com)  \nSee Barksdale’s Standard Conditions of Sale • Specifications a","cbCairL79VIqJwiI","https://ap.wps.com/l/cbCairL79VIqJwiI","pdf",648891,"English","# Features\n## Applications\n## General Specifications\n## Materials and O-rings\n## Flow Capacity and Dimensions\n## Technical Drawings (9040/9080)\n## Product Configurator","[{\"question\":\"What working pressure and back pressure limits are specified for the Low Pressure OEM Valves Series 9040 and 9080?\",\"answer\":\"Working pressure covers gases or hydraulic fluids up to 500 psi (34 bar). Back pressure at the return port must not exceed 250 psi (17.2 bar) for satisfactory operation.\"},{\"question\":\"What temperature range and proof/burst pressure criteria apply?\",\"answer\":\"The media temperature range is -40° to +250°F (-40° to +121°C). Proof pressure is 1.5x the working pressure (except at the return port), and burst pressure is 2x the working pressure (except at the return port, with a stated 500 psi/34 bar case).\"},{\"question\":\"How are the 9040 and 9080 valve series configured in terms of porting and typical use?\",\"answer\":\"Series 9040 uses regular (side) porting, while Series 9080 uses straight (bottom) porting. Applications listed include paper mill controls, air pilot valves, Halon fill systems, heating oil control, and compressed gas manifold control.\"}]","Low Pressure OEM Valves Series 9040 - Technical Specifications | PDF"]