[et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” background_color=”#000000″ custom_padding=”20px||20px||false|false” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” width=”100%” max_width=”900px” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_text_color=”#ffffff” text_line_height=”1.8em” link_text_color=”#d71920″ ul_text_color=”#ffffff” ol_text_color=”#ffffff” quote_text_color=”#ffffff” header_text_color=”#ffffff” header_2_text_color=”#ffffff” header_3_text_color=”#ffffff” header_4_text_color=”#ffffff” hover_enabled=”0″ global_colors_info=”{}”]<\/p>\n
On a hydraulic bolting tool, you do not set a torque. You set a pressure<\/strong>. The torque chart shipped with the tool is what bridges the two: so many psi at the pump produce so many foot-pounds at the head.<\/p>\n That small table is one of the most consulted documents in our technical library, and one of the most misread. Here is how to read it properly, and why it is worth nothing without a calibrated gauge.<\/p>\n A chart belongs to one specific tool model<\/strong>. Same family, different capacity, and the curve changes. For each supply pressure, it gives the theoretical output torque of that tool, under reference conditions.<\/p>\n Three words carry the weight in that sentence.<\/p>\n The method is four steps, always the same ones.<\/p>\n The chart assumes two things: that the tool delivers what it claims, and that the gauge reads true. Both drift with use.<\/p>\n A gauge knocked around on site can show a distinctly optimistic pressure. You then apply, in good faith, a torque that is not the one in the specification \u2014 and the closeout report will say otherwise. That is why our rental tools leave with their certificate, and why we keep the calibration record<\/a> of every tool that passes through the Longueuil shop.<\/p>\n The practical rule: the torque chart and the calibration certificate are read together. Apart, neither proves much.<\/p>\n Charts and technical data sheets for HYTORC tools are gathered in our technical data sheet library<\/a>. If you cannot find the one for your model, or the table has become unreadable after a long life in a tool case, write to us and we will send the right version back.<\/p>\n And if the underlying question is “what value should I target on this flange”, that is a project engineering question. Our technicians can assist you in that process, in controlled bolting<\/a> as in shutdown preparation<\/a>.<\/p>\n [\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_text_color=”#ffffff” text_line_height=”1.8em” link_text_color=”#d71920″ ul_text_color=”#ffffff” ol_text_color=”#ffffff” quote_text_color=”#ffffff” header_text_color=”#ffffff” header_2_text_color=”#ffffff” header_3_text_color=”#ffffff” header_4_text_color=”#ffffff” hover_enabled=”0″ global_colors_info=”{}”]<\/p>\n Give us a call. We are friendly, too. 1-844-266-2632<\/a> or send us a note<\/a>.<\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":" On a hydraulic tool you set a pressure, not a torque. How to read a HYTORC torque chart, the five most common mistakes, and why calibration decides everything.<\/p>\n","protected":false},"author":2,"featured_media":51268,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[120],"tags":[],"class_list":["post-51231","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-torque-and-bolting"],"_links":{"self":[{"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/posts\/51231","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/comments?post=51231"}],"version-history":[{"count":1,"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/posts\/51231\/revisions"}],"predecessor-version":[{"id":51255,"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/posts\/51231\/revisions\/51255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/media\/51268"}],"wp:attachment":[{"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/media?parent=51231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/categories?post=51231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cofa.ca\/en\/wp-json\/wp\/v2\/tags?post=51231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}What a torque chart actually says<\/h2>\n
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Reading a line, in order<\/h2>\n
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The five mistakes we see most often<\/h2>\n
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Why the chart is worthless without calibration<\/h2>\n
Where to find your tool’s chart<\/h2>\n
Talk to an expert now!<\/h2>\n