{"id":9108,"date":"2022-06-16T05:00:53","date_gmt":"2022-06-15T21:00:53","guid":{"rendered":"https:\/\/ancor.biz\/?post_type=product&#038;p=9108"},"modified":"2025-08-18T12:05:48","modified_gmt":"2025-08-18T04:05:48","slug":"dwyer-series-sa1100-diaphragm-operated-pressure-switches","status":"publish","type":"product","link":"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-sa1100-diaphragm-operated-pressure-switches\/","title":{"rendered":"DWYER Series SA1100 Diaphragm Operated Pressure Switches"},"content":{"rendered":"<h1>Series SA1100 Diaphragm Operated Pressure Switches, Visible Setpoint, Adjustable<\/h1>\n<h1>Deadband, Hermetically Sealed Snap Switch, Weatherproof and Explosion-proof<\/h1>\n<p>&nbsp;<\/p>\n<p>The\u00a0<a href=\"https:\/\/ancor.biz\/index.php\/product-category\/brand\/dwyer-instruments-brand\/\">DWYER<\/a> Series SA1100 Diaphragm Operated Pressure Switches are weatherproof and explosion-proof in one economical enclosure. Extremely rugged construction assures excellent reliability in chemical, petroleum and industrial plants. New design also provides burst pressure protection to 3000 psi (206 bar). DWYER Series SA1100 Diaphragm Operated <a href=\"https:\/\/intl.dwyer-inst.com\/Product\/Pressure\/SinglePressure\/Switches\/SeriesSA1100?Query=SA1100\">Pressure Switches<\/a> rolling diaphragm design maintains a constant effective area to minimize friction. This results in a minimum deadband as low as 5% of full-scale.<\/p>\n<h2><\/h2>\n<h2 class=\"sub_heading\">Product Applications<\/h2>\n<ul class=\"list-details inline product_feature\">\n<li>Chemical, petroleum, food and drug processing industries<\/li>\n<li>Used indoor, outdoor or in explosion-proof area<\/li>\n<li>Pump control<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<section id=\"features\" class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-4\" aria-expanded=\"true\" aria-hidden=\"false\">\n<h1 class=\"tab-heading\">Features<\/h1>\n<ul>\n<li>Explosion-proof and weatherproof housing provides device protection for outdoor use or harsh environment operation<\/li>\n<li>Burst pressure protection prevents device failure where high-pressure surges may damage device costing down-time and repair\/replacement<\/li>\n<li>Adjustable deadband reduces equipment cycling and potential failure<\/li>\n<li>Visible set-point and deadband adjustments provide an easy and fast check without having to open device causing dangerous conditions to operators<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<section id=\"specs\" class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-3\" aria-expanded=\"true\" aria-hidden=\"false\">\n<h1 class=\"tab-heading\">Specifications<\/h1>\n<ul class=\"list-specs lined\">\n<li>Wetted Materials: See pressure chamber and diaphragm material in model chart.<\/li>\n<li class=\"title\">Temperature Limits: -30 to 180\u00b0F (-35 to 82\u00b0C) standard. ATEX compliant at Ambient Temperature -4 to 167\u00b0F (-20 to 75\u00b0C); Process Temperature -4 to 167\u00b0F (-20 to 75\u00b0C).<\/li>\n<li class=\"title\">Pressure Limit: 1200 psig (82.6 bar).<\/li>\n<li class=\"title\">Enclosure Rating: *Weatherproof and Explosion-proof. Listed with UL and CSA for Class I, Groups B, C and D; Class II Groups E, F, and G. ATEX Compliant 2813 II 2 G Ex d IIC T6 Gb Process Temperature 75\u00b0C. Weatherproof UL Rated Type 4. Meets NEMA 4X (IP66). EC-Type Certificate KEMA 04ATEX2186 X ATEX Standards: EN 60079-0:2009; EN 60079-1:2007 IECEx Certified for Ex d IIC T6 Gb IEC Standards: IEC 60079-0:2007; IEC 60079-1:2007 IECEx Certificate of Conformity: IECEx DEK 11.0095X<\/li>\n<li class=\"title\">Switch Type: SPDT or DPDT snap switch.<\/li>\n<li class=\"title\">Electrical Rating: See model chart.<\/li>\n<li class=\"title\">Electrical Connections: Screw terminal.<\/li>\n<li class=\"title\">Conduit Connection: 3\/4&#8243; female NPT.<\/li>\n<li class=\"title\">Process Connection: 1\/2&#8243; female NPT.<\/li>\n<li class=\"title\">Mounting Orientation: Within 20\u00b0 of vertical.<\/li>\n<li class=\"title\">Set Point Adjustment: Internal 7\/16&#8243; hex nuts.<\/li>\n<li class=\"title\">Weight: 3.5 lb (1.6 kg).<\/li>\n<li class=\"title\">Deadband: See deadband chart.<\/li>\n<li class=\"title\">Agency Approvals: ATEX, CE, CSA, UL.<\/li>\n<li class=\"title\">*Options that do not have ATEX.<\/li>\n<\/ul>\n<\/section>\n<p>&nbsp;<\/p>\n<h2 class=\"tab-heading\">Models &amp; Ordering<\/h2>\n<h3>Aluminum<\/h3>\n<table class=\"product-table\">\n<tbody>\n<tr>\n<th class=\"model-number\" nowrap=\"nowrap\" width=\"\">Model<\/th>\n<th class=\"description\" width=\"\">Description<\/th>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">SA1111E-A4-K1<\/td>\n<td class=\"description\" width=\"\">Diaphragm operated pressure switch, 1\/4&#8243; NPT(F) Process Connection, Buna-N Diaphragm and O-ring.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3>316 SS<\/h3>\n<table class=\"product-table\">\n<tbody>\n<tr>\n<th class=\"model-number\" nowrap=\"nowrap\" width=\"\">Model<\/th>\n<th class=\"description\" width=\"\">Description<\/th>\n<\/tr>\n<tr>\n<td class=\"model-number\" nowrap=\"nowrap\" width=\"\">SA1111E-S5-K2<\/td>\n<td class=\"description\" width=\"\">Diaphragm operated pressure switch, 1\/2&#8243; NPT(F) Process Connection, Fluorocarbon Diaphragm and 0-ring.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Series SA1100 Diaphragm Operated Pressure Switches, Visible Setpoint, Adjustable Deadband, Hermetically Sealed Snap Switch, Weatherproof and Explosion-proof &nbsp; The\u00a0DWYER Series SA1100 Diaphragm Operated Pressure Switches are weatherproof and explosion-proof in one economical enclosure. Extremely rugged construction assures excellent reliability in chemical, petroleum and industrial plants. New design also provides burst pressure protection to 3000 psi &#8230; <a title=\"DWYER Series SA1100 Diaphragm Operated Pressure Switches\" class=\"read-more\" href=\"https:\/\/ancor.biz\/index.php\/product\/dwyer-series-sa1100-diaphragm-operated-pressure-switches\/\" aria-label=\"More on DWYER Series SA1100 Diaphragm Operated Pressure Switches\">Read more<\/a><\/p>\n","protected":false},"featured_media":9109,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"class_list":["post-9108","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-brand","product_cat-dwyer-switch-vacuum","product_cat-dwyer-instruments-brand","product_cat-dwyer-instruments-dwyer-omega","product_cat-dwyer-omega","product_cat-pressure-switch-dwyer-instruments-dwyer-omega","product_cat-switch-vacuum","product_cat-pressure-switch","product_cat-single-pressure-dwyer-switch-vacuum","product_cat-switch","product_tag-dwyer-series-sa1100","product_tag-dwyer-series-sa1100-diaphragm-pressure-switches","product_tag-sa1111e-a4-k1","product_tag-sa1111e-s5-k2","sales-flash-overlay","woocommerce-text-align-center","woocommerce-image-align-center","do-quantity-buttons"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.3 - 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