{"id":6135,"date":"2026-03-31T17:44:14","date_gmt":"2026-03-31T09:44:14","guid":{"rendered":"https:\/\/chnsensor.com\/?post_type=product&#038;p=6135"},"modified":"2026-03-31T18:02:54","modified_gmt":"2026-03-31T10:02:54","slug":"saier-dn32-1-1-4-brass-piston-water-flow-switch-anti-water-hammer-sensor-for-industrial-chillers-large-hvac","status":"publish","type":"product","link":"https:\/\/chnsensor.com\/hi\/product\/saier-dn32-1-1-4-brass-piston-water-flow-switch-anti-water-hammer-sensor-for-industrial-chillers-large-hvac\/","title":{"rendered":"SAIER DN32 (1-1\/4\u2033) \u092a\u0940\u0924\u0932 \u092a\u093f\u0938\u094d\u091f\u0928 \u0935\u093e\u091f\u0930 \u092b\u094d\u0932\u094b \u0938\u094d\u0935\u093f\u091a \u2013 \u0914\u0926\u094d\u092f\u094b\u0917\u093f\u0915 \u091a\u093f\u0932\u0930 \u0914\u0930 \u092c\u0921\u093c\u0947 \u090f\u091a\u0935\u0940\u090f\u0938\u0940 \u0915\u0947 \u0932\u093f\u090f \u090f\u0902\u091f\u0940-\u0935\u093e\u091f\u0930 \u0939\u0948\u092e\u0930 \u0938\u0947\u0902\u0938\u0930"},"content":{"rendered":"<p data-path-to-node=\"11\">\u0906\u092a\u0915\u0947 \u0914\u0926\u094d\u092f\u094b\u0917\u093f\u0915 \u0936\u0940\u0924\u0932\u0928 \u092a\u094d\u0930\u0923\u093e\u0932\u093f\u092f\u094b\u0902 \u0915\u094b \u092c\u0922\u093c\u093e\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0910\u0938\u0947 \u092b\u094d\u0932\u094b \u0938\u0947\u0902\u0938\u0930 \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0939\u094b\u0924\u0940 \u0939\u0948 \u091c\u094b \u092a\u094d\u0930\u0926\u0930\u094d\u0936\u0928 \u092e\u0947\u0902 \u092c\u093e\u0927\u093e \u0928 \u0921\u093e\u0932\u0947\u0902 \u092f\u093e \u0905\u0924\u094d\u092f\u0927\u093f\u0915 \u0926\u092c\u093e\u0935 \u092e\u0947\u0902 \u0935\u093f\u092b\u0932 \u0928 \u0939\u094b\u0902, <b data-path-to-node=\"11\" data-index-in-node=\"162\">SAIER DN32 \u092a\u093f\u0938\u094d\u091f\u0928 \u092b\u094d\u0932\u094b \u0938\u094d\u0935\u093f\u091a<\/b> \u0909\u091a\u094d\u091a-\u0935\u0949\u0932\u094d\u092f\u0942\u092e \u0914\u0926\u094d\u092f\u094b\u0917\u093f\u0915 \u091a\u093f\u0932\u0930, \u0935\u093e\u0923\u093f\u091c\u094d\u092f\u093f\u0915 \u090f\u091a\u0935\u0940\u090f\u0938\u0940 \u0932\u0942\u092a \u0914\u0930 \u0909\u091a\u094d\u091a-\u0936\u0915\u094d\u0924\u093f \u0932\u0947\u091c\u0930 \u0909\u092a\u0915\u0930\u0923\u094b\u0902 \u0915\u0947 \u0932\u093f\u090f \u0935\u093f\u0936\u0947\u0937 \u0930\u0942\u092a \u0938\u0947 \u0928\u093f\u0930\u094d\u092e\u093f\u0924\u0964.<\/p>\n<p data-path-to-node=\"12\">\u092a\u093e\u0930\u0902\u092a\u0930\u093f\u0915 \u092a\u0948\u0921\u0932 \u0938\u094d\u0935\u093f\u091a \u0915\u0947 \u0935\u093f\u092a\u0930\u0940\u0924 \u091c\u093f\u0928\u0915\u0947 \u092a\u0902\u0916 \u091f\u0942\u091f \u0938\u0915\u0924\u0947 \u0939\u0948\u0902 \u0914\u0930 \u0917\u0902\u092d\u0940\u0930 \u0935\u0949\u091f\u0930 \u0939\u0948\u092e\u0930 \u0938\u094d\u092a\u093e\u0907\u0915\u094d\u0938 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u0906\u092a\u0915\u0940 \u092a\u093e\u0907\u092a\u093f\u0902\u0917 \u0915\u094b \u091c\u093e\u092e \u0915\u0930 \u0938\u0915\u0924\u0947 \u0939\u0948\u0902, \u0939\u092e\u093e\u0930\u093e \u092e\u091c\u092c\u0942\u0924 \u092a\u0940\u0924\u0932 \u092a\u093f\u0938\u094d\u091f\u0928 \u0924\u0902\u0924\u094d\u0930 \u092a\u0942\u0930\u0940 \u0924\u0930\u0939 \u0938\u0947 \u0926\u092c\u093e\u0935 \u0915\u0947 \u091d\u091f\u0915\u094b\u0902 \u0915\u094b \u0905\u0935\u0936\u094b\u0937\u093f\u0924 \u0915\u0930\u0924\u093e \u0939\u0948\u0964 \u0907\u0938\u0915\u0947 \u0905\u0932\u093e\u0935\u093e, \u0906\u0902\u0924\u0930\u093f\u0915 \u091a\u0941\u0902\u092c\u0915\u0940\u092f \u0938\u094d\u092a\u094d\u0930\u093f\u0902\u0917 \u0930\u093f\u091f\u0930\u094d\u0928 \u0915\u0940 \u0905\u0928\u0941\u092e\u0924\u093f \u0926\u0947\u0924\u093e \u0939\u0948 <b data-path-to-node=\"12\" data-index-in-node=\"245\">\u092a\u0942\u0930\u094d\u0923 \u0913\u092e\u0928\u0940\u0921\u093e\u092f\u0930\u0947\u0915\u094d\u0936\u0928\u0932 \u092e\u093e\u0909\u0902\u091f\u093f\u0902\u0917<\/b>\u2014\u0907\u0938\u0947 \u0932\u0902\u092c\u0935\u0924, \u0915\u094d\u0937\u0948\u0924\u093f\u091c, \u092f\u093e \u0909\u0932\u091f\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u092d\u0940 \u0938\u094d\u0925\u093e\u092a\u093f\u0924 \u0915\u0930\u0947\u0902, \u092c\u093f\u0928\u093e \u0938\u0915\u094d\u0930\u093f\u092f\u0923 \u0938\u091f\u0940\u0915\u0924\u093e \u0916\u094b\u090f\u0964 \u092a\u0902\u092a \u0915\u0947 \u0938\u0942\u0916\u0947 \u091a\u0932\u0928\u0947 \u0938\u0947 \u0939\u094b\u0928\u0947 \u0935\u093e\u0932\u0947 \u0935\u093f\u0928\u093e\u0936 \u0915\u094b \u0930\u094b\u0915\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0935\u093f\u0936\u094d\u0935\u0938\u0928\u0940\u092f NO\/NC \u0938\u093f\u0917\u094d\u0928\u0932 \u0906\u0909\u091f\u092a\u0941\u091f \u0915\u0947 \u0938\u093e\u0925 \u0905\u092a\u0928\u0947 \u0939\u0948\u0935\u0940-\u0921\u094d\u092f\u0942\u091f\u0940 \u0907\u0902\u092b\u094d\u0930\u093e\u0938\u094d\u091f\u094d\u0930\u0915\u094d\u091a\u0930 \u0915\u094b \u0938\u0941\u0930\u0915\u094d\u0937\u093f\u0924 \u0915\u0930\u0947\u0902\u0964.<\/p>\n<p data-path-to-node=\"11\"><strong>\u0936\u0930\u0940\u0930 \u0938\u093e\u092e\u0917\u094d\u0930\u0940<\/strong>\u092a\u0940\u0924\u0932 (\u0924\u093e\u0902\u092c\u093e \u092e\u093f\u0936\u094d\u0930 \u0927\u093e\u0924\u0941)<\/p>\n<p data-path-to-node=\"11\"><strong>\u0938\u0902\u0930\u091a\u0928\u093e \u092a\u094d\u0930\u0915\u093e\u0930<\/strong>\u092a\u093f\u0938\u094d\u091f\u0928 \/ \u0936\u091f\u0932 \u092a\u094d\u0930\u0915\u093e\u0930<\/p>\n<p data-path-to-node=\"11\"><strong>\u0927\u093e\u0917\u0947 \u0915\u093e \u0906\u0915\u093e\u0930<\/strong>:\u0921\u0940\u090f\u092832 (\u091c\u09401-1\/4\u2033)<\/p>\n<p data-path-to-node=\"11\"><strong>\u092a\u094d\u0930\u0935\u093e\u0939 \u0938\u0940\u092e\u093e<\/strong>:8-60 \u0932\u0940\u091f\u0930\/\u092e\u093f\u0928\u091f<\/p>\n<p data-path-to-node=\"11\"><strong>\u0938\u094d\u0935\u093f\u091a\u093f\u0902\u0917 \u0935\u094b\u0932\u094d\u091f\u0947\u091c<\/strong>\u0968\u0968\u0966\u0935\u0940<\/p>\n<p data-path-to-node=\"11\"><strong>\u0936\u0915\u094d\u0924\u093f:<\/strong>\u096d\u0966 \u0935\u0949\u091f<\/p>\n<p data-path-to-node=\"11\"><a href=\"https:\/\/chnsensor.com\/hi\/product-category\/flow-sensor\/\"><strong>\u0905\u0928\u094d\u092f \u092e\u0949\u0921\u0932: \u092f\u0939\u093e\u0902 \u0915\u094d\u0932\u093f\u0915 \u0915\u0930\u0947\u0902<\/strong><\/a><\/p>\n<div id=\"v-fSMFQuCa-1\" class=\"video-player\"><iframe title='\u0935\u0940\u0921\u093f\u092f\u094b\u092a\u094d\u0930\u0947\u0938 \u0935\u0940\u0921\u093f\u092f\u094b \u092a\u094d\u0932\u0947\u092f\u0930' aria-label='\u0935\u0940\u0921\u093f\u092f\u094b\u092a\u094d\u0930\u0947\u0938 \u0935\u0940\u0921\u093f\u092f\u094b \u092a\u094d\u0932\u0947\u092f\u0930' width='400' height='224' src='https:\/\/videopress.com\/embed\/fSMFQuCa?hd=1&amp;cover=1&amp;loop=0&amp;autoPlay=0&amp;permalink=1&amp;muted=0&amp;controls=1&amp;playsinline=0&amp;useAverageColor=0&amp;preloadContent=metadata' frameborder='0' allowfullscreen data-resize-to-parent=\"true\" allow='clipboard-write'><\/iframe><script src='https:\/\/s0.wp.com\/wp-content\/plugins\/video\/assets\/js\/next\/videopress-iframe.js'><\/script><\/div>\n<p data-path-to-node=\"11\">","protected":false},"excerpt":{"rendered":"<div class=\"engineering-logic-box\" style=\"background: #2b3a42; color: #fff; padding: 25px; border-left: 5px solid #ff9800; border-radius: 4px;\">\n<h3 style=\"margin-top: 0; color: #ffb74d;\">Why Choose Piston over Paddle for DN32 (1-1\/4&#8243;) Pipes?<\/h3>\n<p style=\"color: #cfd8dc;\">As pipe diameter increases to DN32, the volume and kinetic energy of the water multiply. Here is why the Piston mechanism is superior for industrial heavy-duty applications:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin-top: 15px; background: #37474f; color: #fff;\">\n<tbody>\n<tr style=\"background: #1c262b;\">\n<th style=\"padding: 12px; text-align: left; border: 1px solid #546e7a;\">Engineering Challenge<\/th>\n<th style=\"padding: 12px; text-align: left; border: 1px solid #546e7a;\">Standard Paddle Switch<\/th>\n<th style=\"padding: 12px; text-align: left; border: 1px solid #546e7a;\">SAIER Piston Switch<\/th>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #546e7a;\"><strong>Water Hammer (Pressure Spikes)<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #546e7a;\">Paddle fins easily bend or snap off, jamming pumps.<\/td>\n<td style=\"padding: 10px; border: 1px solid #546e7a; color: #81c784;\"><strong>Solid brass piston absorbs spikes with zero breakage risk.<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #546e7a;\"><strong>Mounting Orientation<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #546e7a;\">Requires strict horizontal mounting (gravity dependent).<\/td>\n<td style=\"padding: 10px; border: 1px solid #546e7a; color: #81c784;\"><strong>Omnidirectional. Spring-return allows vertical\/horizontal\/inverted installs.<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #546e7a;\"><strong>Flow Turbulence Tolerance<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #546e7a;\">Prone to false triggering from turbulent flow in large pipes.<\/td>\n<td style=\"padding: 10px; border: 1px solid #546e7a; color: #81c784;\"><strong>Piston design dampens turbulence for stable NO\/NC signaling.<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>","protected":false},"featured_media":6139,"comment_status":"open","ping_status":"closed","template":"","meta":{"_eb_attr":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"product_brand":[132668],"product_cat":[132614],"product_tag":[132908,132860,132856,132954,132605],"class_list":["post-6135","product","type-product","status-publish","has-post-thumbnail","product_brand-saier","product_cat-brass-water-flow-switch","product_tag-brass-flow-switch","product_tag-chiller-flow-switch","product_tag-flow-control-switch","product_tag-piston-flow-switch","product_tag-water-flow-switch","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DN32 Piston Flow Switch | Industrial Chiller | SAIER - Professional manufacturer of sensors<\/title>\n<meta name=\"description\" content=\"Protect large chillers and HVAC systems with SAIER&#039;s DN32 Piston Flow Switch. Withstands water hammer, allows omnidirectional mounting.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chnsensor.com\/hi\/product\/saier-dn32-1-1-4-brass-piston-water-flow-switch-anti-water-hammer-sensor-for-industrial-chillers-large-hvac\/\" \/>\n<meta property=\"og:locale\" content=\"hi_IN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DN32 Piston Flow Switch | Industrial Chiller | SAIER - Professional manufacturer of sensors\" \/>\n<meta property=\"og:description\" content=\"Protect large chillers and HVAC systems with SAIER&#039;s DN32 Piston Flow Switch. Withstands water hammer, allows omnidirectional mounting.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/chnsensor.com\/hi\/product\/saier-dn32-1-1-4-brass-piston-water-flow-switch-anti-water-hammer-sensor-for-industrial-chillers-large-hvac\/\" \/>\n<meta property=\"og:site_name\" content=\"Professional manufacturer of sensors\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-31T10:02:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/chnsensor.com\/wp-content\/uploads\/2026\/03\/HS32-4.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0905\u0928\u0941\u092e\u093e\u0928\u093f\u0924 \u092a\u0922\u093c\u0928\u0947 \u0915\u093e \u0938\u092e\u092f\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 \u092e\u093f\u0928\u091f\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/chnsensor.com\\\/product\\\/saier-dn32-1-1-4-brass-piston-water-flow-switch-anti-water-hammer-sensor-for-industrial-chillers-large-hvac\\\/\",\"url\":\"https:\\\/\\\/chnsensor.com\\\/product\\\/saier-dn32-1-1-4-brass-piston-water-flow-switch-anti-water-hammer-sensor-for-industrial-chillers-large-hvac\\\/\",\"name\":\"DN32 Piston Flow Switch | Industrial Chiller | SAIER - Professional manufacturer of sensors\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/chnsensor.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/chnsensor.com\\\/product\\\/saier-dn32-1-1-4-brass-piston-water-flow-switch-anti-water-hammer-sensor-for-industrial-chillers-large-hvac\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/chnsensor.com\\\/product\\\/saier-dn32-1-1-4-brass-piston-water-flow-switch-anti-water-hammer-sensor-for-industrial-chillers-large-hvac\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/chnsensor.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/HS32-4.png?fit=1000%2C1000&ssl=1\",\"datePublished\":\"2026-03-31T09:44:14+00:00\",\"dateModified\":\"2026-03-31T10:02:54+00:00\",\"description\":\"Protect large chillers and HVAC systems with SAIER's DN32 Piston Flow Switch. 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