{"id":2229,"date":"2026-03-27T03:54:55","date_gmt":"2026-03-27T03:54:55","guid":{"rendered":"https:\/\/www.airpressureswitch.com\/?post_type=product&#038;p=2229"},"modified":"2026-03-27T07:10:20","modified_gmt":"2026-03-27T07:10:20","slug":"oem-w4-water-pressure-switch-manufacturer-for-domestic-commercial-purifiers","status":"publish","type":"product","link":"https:\/\/www.airpressureswitch.com\/ja\/product\/oem-w4-water-pressure-switch-manufacturer-for-domestic-commercial-purifiers","title":{"rendered":"OEM W4 Water Pressure Switch Manufacturer for Domestic &#038; Commercial Purifiers"},"content":{"rendered":"<div id=\"ie_text-1770871355454\" class=\"reset_style\">\n<div>\n<p><strong>W4 Water Pressure Switch<\/strong><\/p>\n<\/div>\n<\/div>\n<div id=\"ie_text-1770871469803\" class=\"reset_style\">\n<div>\n<p>Water pressure switch converta pressure signal to an ON\/OFF electrical output.In response to a changein pressure, movement of an elastomeric Metal diaphragm opens or closes an electrical circuit based on a predetermined pressureset point.<br \/>\nThe Series W4 Pressure switches provide superior performance and 50,000 cycle life under full mechanical, electrical and thermal loads.<br \/>\nthrough wide and variable temperature and humidity conditions, pressure rangefrom0.1Mpa\u3001to 0.8Mpa.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-2245\" src=\"https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/w4-water-pressure-switch.png\" alt=\"\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/w4-water-pressure-switch.png 1024w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/w4-water-pressure-switch-300x300.png 300w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/w4-water-pressure-switch-150x150.png 150w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/w4-water-pressure-switch-768x768.png 768w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/w4-water-pressure-switch-12x12.png 12w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/w4-water-pressure-switch-600x600.png 600w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/w4-water-pressure-switch-100x100.png 100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<\/div>\n<\/div>\n<div id=\"ie_text-1770871506701\" class=\"reset_style\">\n<div>\n<p><img decoding=\"async\" class=\"alignnone wp-image-2230\" src=\"https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/7af71aa3-2eb4-47b8-b5b4-d454791f6afe.jpg\" alt=\"\" width=\"741\" height=\"256\" srcset=\"https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/7af71aa3-2eb4-47b8-b5b4-d454791f6afe.jpg 1592w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/7af71aa3-2eb4-47b8-b5b4-d454791f6afe-300x104.jpg 300w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/7af71aa3-2eb4-47b8-b5b4-d454791f6afe-1024x354.jpg 1024w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/7af71aa3-2eb4-47b8-b5b4-d454791f6afe-768x265.jpg 768w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/7af71aa3-2eb4-47b8-b5b4-d454791f6afe-1536x531.jpg 1536w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/7af71aa3-2eb4-47b8-b5b4-d454791f6afe-18x6.jpg 18w, https:\/\/www.airpressureswitch.com\/wp-content\/uploads\/2026\/03\/7af71aa3-2eb4-47b8-b5b4-d454791f6afe-600x207.jpg 600w\" sizes=\"(max-width: 741px) 100vw, 741px\" \/><\/p>\n<p><strong>Specification<\/strong><\/p>\n<\/div>\n<\/div>\n<div id=\"ie_text-1770871529839\" class=\"reset_style\">\n<div>\n<div class=\"table_wrap\">\n<table border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td width=\"40%\"><span style=\"color: #000000;\">Terminals<\/span><\/td>\n<td><span style=\"color: #000000;\">4.8&#215;0.5 mm;6.3&#215;0.8mm<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"40%\"><span style=\"color: #000000;\">Contact Arrangement<\/span><\/td>\n<td><span style=\"color: #000000;\">SPST-NO<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"40%\"><span style=\"color: #000000;\">Electrical Rating<\/span><\/td>\n<td><span style=\"color: #000000;\">5A@250VAC<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"40%\"><span style=\"color: #000000;\">Proof Pressure<\/span><\/td>\n<td><span style=\"color: #000000;\">2.07 Mpa<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"40%\"><span style=\"color: #000000;\">Operating Temperature Range<\/span><\/td>\n<td><span style=\"color: #000000;\">0\u2103 to +60\u2103<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"40%\"><span style=\"color: #000000;\">Working Pressure Range<\/span><\/td>\n<td><span style=\"color: #000000;\">0~0.8Mpa<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"40%\"><span style=\"color: #000000;\">Electrical life<\/span><\/td>\n<td><span style=\"color: #000000;\">20,000 cycles<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"40%\"><span style=\"color: #000000;\">Medium<\/span><\/td>\n<td><span style=\"color: #000000;\">Non hazardous gas or liquid<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"40%\"><span style=\"color: #000000;\">Connection<\/span><\/td>\n<td><span style=\"color: #000000;\">See technical data<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Water pressure switch converta pressure signal to an ON\/OFF electrical output.In response to a changein pressure, movement of an elastomeric Metal diaphragm opens or closes an electrical circuit based on a predetermined pressureset point.<\/p>","protected":false},"featured_media":2231,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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