{"id":413,"date":"2026-08-25T10:45:58","date_gmt":"2026-08-25T02:45:58","guid":{"rendered":"https:\/\/flange8.com\/index.php\/products\/sanitary-spring-check-valve-mod-sig-55\/"},"modified":"2026-08-31T14:46:16","modified_gmt":"2026-08-31T06:46:16","slug":"sanitary-spring-check-valve-mod-sig-55","status":"publish","type":"sf_product","link":"https:\/\/flange8.com\/index.php\/products\/sanitary-spring-check-valve-mod-sig-55\/","title":{"rendered":"Sanitary Spring Check Valve mod.SIG\/55"},"content":{"rendered":"<table border=\"0\" width=\"100%\">\n<tbody>\n<tr>\n<td align=\"center\" valign=\"top\" width=\"20%\"><img decoding=\"async\" alt=\"1\" id=\"1604667187024789504\" src=\"http:\/\/flange8.com\/wp-content\/uploads\/2026\/08\/09659729-dfbe-4157-93d4-5db007545afd.png\" style=\"width: 260px;height: 263px;max-width: none\" \/><\/td>\n<td width=\"80%\">\n<div class=\"wmhbg\">\n<table border=\"0\" cellpadding=\"10\" cellspacing=\"1\" style=\"border-collapse:collapse\" width=\"100%\">\n<tbody>\n<tr style=\"border-bottom:solid #666 1px\">\n<td>Tube OD<\/td>\n<td>A<\/td>\n<td>B<\/td>\n<td>C<\/td>\n<td>D<\/td>\n<td>Max. Pressure<\/td>\n<td>Part number 304<\/td>\n<td>Price\/each<\/td>\n<td>Part number 316L<\/td>\n<td>Price\/each<\/td>\n<\/tr>\n<tr>\n<td>1\/2&quot;<\/td>\n<td>0.984&quot;<\/td>\n<td>0.370&quot;<\/td>\n<td>1.850&quot;<\/td>\n<td>1.063&quot;<\/td>\n<td>150 psi @ 200&deg; F<\/td>\n<td>SIG\/55-0.5\/304<\/td>\n<td>TBD<\/td>\n<td>SIG\/55-0.5\/316L<\/td>\n<td>TBD<\/td>\n<\/tr>\n<tr>\n<td>3\/4&quot;<\/td>\n<td>0.984&quot;<\/td>\n<td>0.620&quot;<\/td>\n<td>1.850&quot;<\/td>\n<td>1.063&quot;<\/td>\n<td>150 psi @ 200&deg; F<\/td>\n<td>SIG\/55-0.75\/304<\/td>\n<td>TBD<\/td>\n<td>SIG\/55-0.75\/316L<\/td>\n<td>TBD<\/td>\n<\/tr>\n<tr>\n<td>1&quot;<\/td>\n<td>1.984&quot;<\/td>\n<td>0.870&quot;<\/td>\n<td>2.264&quot;<\/td>\n<td>1.476&quot;<\/td>\n<td>150 psi @ 200&deg; F<\/td>\n<td>SIG\/55-1\/304<\/td>\n<td>TBD<\/td>\n<td>SIG\/55-1\/316L<\/td>\n<td>TBD<\/td>\n<\/tr>\n<tr>\n<td>1-1\/2&quot;<\/td>\n<td>1.984&quot;<\/td>\n<td>1.370&quot;<\/td>\n<td>2.264&quot;<\/td>\n<td>1.476&quot;<\/td>\n<td>150 psi @ 200&deg; F<\/td>\n<td>SIG\/55-1.5\/304<\/td>\n<td>TBD<\/td>\n<td>SIG\/55-1.5\/316L<\/td>\n<td>TBD<\/td>\n<\/tr>\n<tr>\n<td>2&quot;<\/td>\n<td>2.516&quot;<\/td>\n<td>1.870&quot;<\/td>\n<td>2.500&quot;<\/td>\n<td>1.594&quot;<\/td>\n<td>150 psi @ 200&deg; F<\/td>\n<td>SIG\/55-2\/304<\/td>\n<td>TBD<\/td>\n<td>SIG\/55-2\/316L<\/td>\n<td>TBD<\/td>\n<\/tr>\n<tr>\n<td>2-1\/2&quot;<\/td>\n<td>3.047&quot;<\/td>\n<td>2.370&quot;<\/td>\n<td>2.835&quot;<\/td>\n<td>1.654&quot;<\/td>\n<td>150 psi @ 200&deg; F<\/td>\n<td>SIG\/55-2.5\/304<\/td>\n<td>TBD<\/td>\n<td>SIG\/55-2.5\/316L<\/td>\n<td>TBD<\/td>\n<\/tr>\n<tr>\n<td>3&quot;<\/td>\n<td>3.579&quot;<\/td>\n<td>2.870&quot;<\/td>\n<td>3.150&quot;<\/td>\n<td>1.693&quot;<\/td>\n<td>150 psi @ 200&deg; F<\/td>\n<td>SIG\/55-3\/304<\/td>\n<td>TBD<\/td>\n<td>SIG\/55-3\/316L<\/td>\n<td>TBD<\/td>\n<\/tr>\n<tr>\n<td>4&quot;<\/td>\n<td>4.682&quot;<\/td>\n<td>3.834&quot;<\/td>\n<td>3.366&quot;<\/td>\n<td>1.988&quot;<\/td>\n<td>150 psi @ 200&deg; F<\/td>\n<td>SIG\/55-4\/304<\/td>\n<td>TBD<\/td>\n<td>SIG\/55-4\/316L<\/td>\n<td>TBD<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"wmhgy\"><span style=\"font-size:18px;font-weight:bold\">\u00b7<\/span>\u3000Precision machined ASTM 316L body, stem and disc<\/div>\n<div class=\"wmhgy\"><span style=\"font-size:18px;font-weight:bold\">\u00b7<\/span>\u300025Ra polished body and internals<\/div>\n<div class=\"wmhgy\"><span style=\"font-size:18px;font-weight:bold\">\u00b7<\/span>\u3000Angle design for precision open and close<\/div>\n<div class=\"wmhgy\"><span style=\"font-size:18px;font-weight:bold\">\u00b7<\/span>\u3000Suitable with various liquids<\/div>\n<div class=\"wmhgy\"><span style=\"font-size:18px;font-weight:bold\">\u00b7<\/span>\u3000Standard Tri-Clamp or butt weld ends. Other options available.<\/div>\n<div class=\"wmhgy\"><span style=\"font-size:18px;font-weight:bold\">\u00b7<\/span>\u3000Standard EPDM seal ring, Viton and silicone available option<\/div>\n<div class=\"wmhgy\"><span style=\"font-size:18px;font-weight:bold\">\u00b7<\/span>\u3000Maximum Operating Pressure: 150PSI<\/div>\n<div class=\"wmhgy\"><span style=\"font-size:18px;font-weight:bold\">\u00b7<\/span>\u3000Operating Temperature Range: 15\u00b0f to 200\u00b0f<\/div>\n<div class=\"wmhgy\"><span style=\"font-size:18px;font-weight:bold\">\u00b7<\/span>\u3000Field Serviceable(no Special Tools Required)<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tube OD A B C D Max. Pressure Part number 304 Price\/eac [&hellip;]<\/p>\n","protected":false},"featured_media":730,"template":"","sf_product_category":[16],"_links":{"self":[{"href":"https:\/\/flange8.com\/index.php\/wp-json\/wp\/v2\/sf_product\/413"}],"collection":[{"href":"https:\/\/flange8.com\/index.php\/wp-json\/wp\/v2\/sf_product"}],"about":[{"href":"https:\/\/flange8.com\/index.php\/wp-json\/wp\/v2\/types\/sf_product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/flange8.com\/index.php\/wp-json\/wp\/v2\/media\/730"}],"wp:attachment":[{"href":"https:\/\/flange8.com\/index.php\/wp-json\/wp\/v2\/media?parent=413"}],"wp:term":[{"taxonomy":"sf_product_category","embeddable":true,"href":"https:\/\/flange8.com\/index.php\/wp-json\/wp\/v2\/sf_product_category?post=413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}