{"id":2289,"date":"2011-12-30T20:56:19","date_gmt":"2011-12-31T01:56:19","guid":{"rendered":"https:\/\/tunstall-inc.com\/?page_id=2289"},"modified":"2023-03-29T10:08:54","modified_gmt":"2023-03-29T14:08:54","slug":"tunstall-air-valve","status":"publish","type":"page","link":"https:\/\/tunstall-inc.com\/steam-traps\/tunstall-air-valve\/","title":{"rendered":"Tunstall Air Valve"},"content":{"rendered":"<h3 class=\"collapseomatic  colomat-close\" id=\"id6638eca2decca\"  tabindex=\"0\" title=\"About\"    >About<\/h3><div id=\"target-id6638eca2decca\" class=\"collapseomatic_content \">\n<a href=\"https:\/\/tunstall-inc.com\/tunstall-steam\/tunstall-air-valve\/steam_valve\/\" rel=\"attachment wp-att-2297\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-2297\" title=\"steam_valve\" src=\"https:\/\/tunstall-inc.com\/wp-content\/uploads\/steam_valve-296x300.png\" alt=\"\" width=\"178\" height=\"180\" srcset=\"https:\/\/tunstall-inc.com\/wp-content\/uploads\/steam_valve-296x300.png 296w, https:\/\/tunstall-inc.com\/wp-content\/uploads\/steam_valve.png 300w\" sizes=\"(max-width: 178px) 100vw, 178px\" \/><\/a><\/p>\n<div>Quick, uniform distribution of heat to all radiation is essential to one pipe steam performance. This requires balancing the radiation by controlled venting.<\/div>\n<div>(NOTE: Tunstall\u2019s #1P and 31P air valves are currently discontinued.)<\/div>\n<ul>\n<li>Tunstall steam air valves are made, assembled, tested, and inspected in the U.S.<\/li>\n<li>Each unit is individually packaged with external labeling for inventory convenience and maintenance<\/li>\n<li>Steam valves have brass internals, with nickel plated and hand polished exterior.<\/li>\n<\/ul>\n<\/div>\n<h3 class=\"collapseomatic \" id=\"id6638eca2dee25\"  tabindex=\"0\" title=\"Steam Vent Specifications\"    >Steam Vent Specifications<\/h3><div id=\"target-id6638eca2dee25\" class=\"collapseomatic_content \">\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\" align=\"center\">\n<tbody>\n<tr>\n<td colspan=\"6\" align=\"center\" bgcolor=\"#cbd7ed\"><strong>TUNSTALL STEAM VENTS<\/strong><\/td>\n<\/tr>\n<tr>\n<td>USE FOR<\/td>\n<td>NO.<\/td>\n<td>CONNECTION<\/td>\n<td>VENT PORT<\/td>\n<td>MAX OPER. PRES.<\/td>\n<td>OVERALL HEIGHT<\/td>\n<\/tr>\n<tr>\n<td>FREE STANDING RADIATORS<\/td>\n<td>11P<\/td>\n<td>1\/8\u201d MALE<\/td>\n<td>1\/16\u201d<\/td>\n<td>6 PSI<\/td>\n<td>2 3\/4&#8243;<\/td>\n<\/tr>\n<tr>\n<td>CONVECTOR AND RISERS<\/td>\n<td>33P<\/td>\n<td>1\/4&#8243; MALE<\/td>\n<td>1\/16\u201d<\/td>\n<td>6 PSI<\/td>\n<td>3 3\/4&#8243;<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">MAIN VENTS<\/td>\n<td>35P<\/td>\n<td rowspan=\"2\">3\/4&#8243; MALE x 1\/2&#8243;FEMALE<\/td>\n<td>3\/32\u201d<\/td>\n<td>3 PSI<\/td>\n<td>3 1\/4&#8243;<\/td>\n<\/tr>\n<tr>\n<td>75P<\/td>\n<td>3\/32\u201d<\/td>\n<td>5 PSI<\/td>\n<td>4 5\/8\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><strong>Notes:<\/strong><\/div>\n<ol>\n<li>Maximum operating pressure or drop away pressure is the maximum pressure at which the vent will continue to open and close by gravity.<\/li>\n<li>One pipe steam systems function best when pressure is less than 2 psi.<\/li>\n<li>The lower the pressure at which a system is operated, the greater its efficiency will be.<\/li>\n<\/ol>\n<\/div>\n<h3 class=\"collapseomatic \" id=\"id6638eca2df0cd\"  tabindex=\"0\" title=\"Hot Water Vent Specifications\"    >Hot Water Vent Specifications<\/h3><div id=\"target-id6638eca2df0cd\" class=\"collapseomatic_content \">\n<div><a href=\"https:\/\/tunstall-inc.com\/tunstall-steam\/tunstall-air-valve\/sv_images\/\" rel=\"attachment wp-att-2385\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-2385\" title=\"sv_images\" src=\"https:\/\/tunstall-inc.com\/wp-content\/uploads\/sv_images.png\" alt=\"\" width=\"590\" height=\"200\" \/><\/a><\/div>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\" align=\"center\">\n<tbody>\n<tr align=\"center\">\n<td colspan=\"4\" bgcolor=\"#cbd7ed\"><strong>Tunstall Hot Water Vents<\/strong><\/td>\n<\/tr>\n<tr align=\"center\">\n<td><strong>USE FOR<\/strong><\/td>\n<td><strong>NO.<\/strong><\/td>\n<td><strong>CONNECTION<\/strong><\/td>\n<td><strong>MAX OPER. PRES.<\/strong><\/td>\n<\/tr>\n<tr align=\"center\">\n<td>RADIATORS<\/td>\n<td>9P<\/td>\n<td>1\/8&#8243; MALE<\/td>\n<td>150 PSI<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>RADIATORS<\/td>\n<td>10P<\/td>\n<td>1\/8&#8243; MALE<\/td>\n<td>150 PSI<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>AS REQUIRED<\/td>\n<td>700P<\/td>\n<td>1\/8&#8243; MALE<\/td>\n<td>50 PSI<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>AS REQUIRED<\/td>\n<td>14, 14A<\/td>\n<td>1\/8&#8243; MALE<\/td>\n<td>150 PSI<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 class=\"collapseomatic \" id=\"id6638eca2df143\"  tabindex=\"0\" title=\"Replacement Guide\"    >Replacement Guide<\/h3><div id=\"target-id6638eca2df143\" class=\"collapseomatic_content \">\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"3\" align=\"center\">\n<tbody>\n<tr align=\"center\">\n<td colspan=\"4\" bgcolor=\"#cbd7ed\"><strong>Tunstall REPLACEMENT GUIDE<\/strong><\/td>\n<\/tr>\n<tr align=\"center\">\n<td><strong>TUNSTALL #<\/strong><\/td>\n<td><strong>DOLE #<\/strong><\/td>\n<td><strong>Connection Size\/Description<\/strong><\/td>\n<td><strong>Steam(S) or Hot Water(HW)<\/strong><\/td>\n<\/tr>\n<tr align=\"center\">\n<td>9P<\/td>\n<td>9<\/td>\n<td>1\/8\u2033 M Coin Valve<\/td>\n<td>HW<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>10P<\/td>\n<td>10<\/td>\n<td>1\/8\u2033 M Key Value<\/td>\n<td>HW<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>10-4P<\/td>\n<td>10-4<\/td>\n<td>KEY for #10<\/td>\n<td>HW<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>11P<\/td>\n<td>1933<\/td>\n<td>1\/8&#8243; M Angle<\/td>\n<td>S<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>33P<\/td>\n<td>1933<\/td>\n<td>1\/8&#8243; M Straight<\/td>\n<td>S<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>35P<\/td>\n<td>1933<\/td>\n<td>3\/4&#8243; M x 1\/2&#8243; F Straight<\/td>\n<td>S<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>75P<\/td>\n<td>2C<\/td>\n<td>3\/4&#8243; x 1\/2&#8243; Vent for Mains<\/td>\n<td>S<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>700P<\/td>\n<td>2000<\/td>\n<td>1\/8&#8243; M Straight, Hydronic Float Vent<\/td>\n<td>HW<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>14<\/td>\n<td>14<\/td>\n<td>1\/8&#8243; M Key Air Valve Assembly, 20&#8243; x 3\/16&#8243; Tubing<\/td>\n<td>HW<\/td>\n<\/tr>\n<tr align=\"center\">\n<td>14A<\/td>\n<td>14A<\/td>\n<td>1\/8&#8243; M Coin Air Valve Assembly, 20&#8243; x 3\/16&#8243; Tubing<\/td>\n<td>HW<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>BULLETIN: <a href=\"https:\/\/www.dropbox.com\/s\/v864o8tybegkl3p\/Bulletin-TA-TAV-0814.1.pdf?dl=1\" target=\"_blank\" rel=\"noopener\">TAV-0814 &#8211; Tunstall Air Valves<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>BULLETIN: TAV-0814 &#8211; Tunstall Air Valves<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":73,"menu_order":12,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/tunstall-inc.com\/wp-json\/wp\/v2\/pages\/2289"}],"collection":[{"href":"https:\/\/tunstall-inc.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/tunstall-inc.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/tunstall-inc.com\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/tunstall-inc.com\/wp-json\/wp\/v2\/comments?post=2289"}],"version-history":[{"count":2,"href":"https:\/\/tunstall-inc.com\/wp-json\/wp\/v2\/pages\/2289\/revisions"}],"predecessor-version":[{"id":86215,"href":"https:\/\/tunstall-inc.com\/wp-json\/wp\/v2\/pages\/2289\/revisions\/86215"}],"up":[{"embeddable":true,"href":"https:\/\/tunstall-inc.com\/wp-json\/wp\/v2\/pages\/73"}],"wp:attachment":[{"href":"https:\/\/tunstall-inc.com\/wp-json\/wp\/v2\/media?parent=2289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}