{"id":3385,"date":"2026-08-18T15:32:47","date_gmt":"2026-08-18T07:32:47","guid":{"rendered":"https:\/\/www.fuaocn.com\/?post_type=blogs&#038;p=3385"},"modified":"2026-08-12T10:32:35","modified_gmt":"2026-08-12T02:32:35","slug":"how-to-read-bathroom-faucet-specifications-commercial-projects","status":"publish","type":"blogs","link":"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects","title":{"rendered":"How to Read Bathroom Faucet Specs: Flow Rate, Pressure, G1\/2 &amp; Rough-in for Commercial Projects"},"content":{"rendered":"<p>Bathroom faucet specification sheets can look dense, but every number has a practical meaning. For B2B buyers, contractors and facility managers, misreading a single value\u2014flow rate, pressure rating, thread type or rough-in\u2014can mean installation delays, code rejections or unhappy end users. In this guide, FAAO breaks down how to read bathroom faucet specs with a commercial project mindset, so you can compare quotes, verify compliance and specify fixtures that perform under real-world use.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Tabela alternativa de conte\u00fado\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#The_Anatomy_of_a_Bathroom_Faucet_Spec_Sheet\" >The Anatomy of a Bathroom Faucet Spec Sheet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Flow_Rate_What_the_Numbers_Mean_and_How_to_Convert_Them\" >Flow Rate: What the Numbers Mean (and How to Convert Them)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Working_Pressure_Static_vs_Dynamic\" >Working Pressure: Static vs Dynamic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Connection_Type_Reading_G12_NPT_and_Flexible_Hose_Threads\" >Connection Type: Reading G1\/2, NPT and Flexible Hose Threads<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Rough-in_Dimensions_Hole_Spacing_Reach_and_Height\" >Rough-in Dimensions: Hole Spacing, Reach and Height<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Interactive_Spec_Sheet_Decoder\" >Interactive Spec Sheet Decoder<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Red_Flags_on_Supplier_Spec_Sheets\" >Red Flags on Supplier Spec Sheets<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Commercial_Project_Pre-Purchase_Checklist\" >Commercial Project Pre-Purchase Checklist<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#What_does_G12_mean_on_a_bathroom_faucet\" >What does G1\/2 mean on a bathroom faucet?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#What_is_a_good_flow_rate_for_a_commercial_bathroom_faucet\" >What is a good flow rate for a commercial bathroom faucet?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#How_do_I_convert_Lmin_to_GPM\" >How do I convert L\/min to GPM?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#What_is_the_difference_between_static_and_dynamic_pressure\" >What is the difference between static and dynamic pressure?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Why_does_rough-in_size_matter_for_commercial_projects\" >Why does rough-in size matter for commercial projects?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-read-bathroom-faucet-specifications-commercial-projects\/#Related_Resources\" >Related Resources<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"The_Anatomy_of_a_Bathroom_Faucet_Spec_Sheet\"><\/span>The Anatomy of a Bathroom Faucet Spec Sheet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A typical commercial basin faucet datasheet contains six data blocks. Reading them in order prevents confusion between performance, installation and compliance:<\/p>\n<ul>\n<li><strong>Model and material family<\/strong> \u2013 identifies body material (brass, stainless steel or zinc alloy), cartridge type and finish code.<\/li>\n<li><strong>Flow rate (Q)<\/strong> \u2013 usually expressed in litres per minute (L\/min) or gallons per minute (GPM) at a stated dynamic pressure.<\/li>\n<li><strong>Working pressure<\/strong> \u2013 the range between minimum operating pressure and maximum static pressure the valve can withstand without leakage.<\/li>\n<li><strong>Connection size<\/strong> \u2013 inlet thread form, most often G1\/2 for global projects or NPT for North America, plus flexible hose length.<\/li>\n<li><strong>Rough-in and mounting dimensions<\/strong> \u2013 hole diameter, centre-to-centre spacing, spout reach and total height.<\/li>\n<li><strong>Certifica\u00e7\u00f5es<\/strong> \u2013 WaterMark, WELS, CE, ACS, NSF\/ANSI 61 or low-lead declarations depending on target market.<\/li>\n<\/ul>\n<p>At FAAO, every faucet moves through foundry, machining, polishing, assembly and pressure testing under one roof. That end-to-end control is why we can validate each figure on the spec sheet before it reaches a commercial project.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Flow_Rate_What_the_Numbers_Mean_and_How_to_Convert_Them\"><\/span>Flow Rate: What the Numbers Mean (and How to Convert Them)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Flow rate tells you how much water leaves the spout in a given time. On most datasheets it appears as <strong>Q<\/strong>, measured at a reference pressure\u2014commonly 0.3 MPa (\u2248 3 bar) dynamic pressure for European and Australian testing, or 60 psi for North American testing.<\/p>\n<p>For commercial restrooms, the target flow rate depends on local water-efficiency rules and the fixture\u2019s duty cycle:<\/p>\n<ul>\n<li><strong>Hotel and office basin mixers:<\/strong> 4\u20136 L\/min (1.1\u20131.6 GPM) is the typical comfort-efficiency balance.<\/li>\n<li><strong>Healthcare scrub stations:<\/strong> 6\u20139 L\/min (1.6\u20132.4 GPM) supports rapid hand washing.<\/li>\n<li><strong>Public buildings and schools:<\/strong> 3\u20135 L\/min (0.8\u20131.3 GPM) with tamper-proof aerators reduces water waste.<\/li>\n<\/ul>\n<p>Always check whether the stated flow rate includes the aerator. A value measured without an aerator will overstate real-world consumption. If your datasheet only gives L\/min and your market quotes GPM, divide by 3.785. If it gives GPM and you need L\/min, multiply by 3.785.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ddd;\">\n<thead>\n<tr style=\"background-color: #0a9899; color: #fff;\">\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">L\/min<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">GPM<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Typical Use Case<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">3<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">0.79<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Water-efficient public restroom<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">5<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">1.32<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Standard office basin mixer<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">6<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">1.59<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Hotel guest-room vanity<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">9<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">2.38<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Clinical scrub basin<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>If you are sourcing for Australia or New Zealand, flow rate also ties directly to the <a href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/watermark-vs-wels-australian-faucet-certification-standards\/\" target=\"_blank\" rel=\"noopener\">WaterMark and WELS registration<\/a> process.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Working_Pressure_Static_vs_Dynamic\"><\/span>Working Pressure: Static vs Dynamic<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Pressure ratings on a faucet datasheet usually appear in two forms:<\/p>\n<ul>\n<li><strong>Static pressure (Pmax):<\/strong> the maximum pressure the body, hoses and seals can hold when no water is running. Typical brass basin mixers are rated from 0.6 MPa up to 1.0 MPa (6\u201310 bar).<\/li>\n<li><strong>Dynamic pressure \/ operating pressure:<\/strong> the pressure range required for normal performance, often 0.05\u20130.6 MPa (0.5\u20136 bar). Below the minimum, the cartridge may not seal or the flow becomes weak.<\/li>\n<\/ul>\n<p>In commercial buildings, pressure varies by floor. A high-rise project may see 5 bar at the basement and less than 1 bar on upper floors. Specifying the same <a href=\"https:\/\/www.fuaocn.com\/pt\/faucet\/basin-faucets\/\" target=\"_blank\" rel=\"noopener\">commercial basin faucet<\/a> across all levels without checking pressure zoning is a common source of tenant complaints.<\/p>\n<p>If the datasheet only lists one pressure value, ask the supplier whether it is static or dynamic. Also request the leak-test certificate; at FAAO, every cartridge batch is tested above normal operating pressure before assembly.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ddd;\">\n<thead>\n<tr style=\"background-color: #0a9899; color: #fff;\">\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Unit<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">MPa<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">bar<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">kPa<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">psi<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">0.1 MPa<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">0.10<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">1.0<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">100<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">14.5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">0.3 MPa<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">0.30<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">3.0<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">300<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">43.5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">0.6 MPa<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">0.60<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">6.0<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">600<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">87.0<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">1.0 MPa<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">1.00<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">10.0<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">1,000<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">145.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Connection_Type_Reading_G12_NPT_and_Flexible_Hose_Threads\"><\/span>Connection Type: Reading G1\/2, NPT and Flexible Hose Threads<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The connection line is where most cross-border mistakes happen. <strong>G1\/2<\/strong> refers to a 1\/2-inch British Standard Pipe parallel thread per ISO 228. It seals with a flat washer or O-ring against the valve body face, not by thread deformation. That makes it different from tapered threads such as NPT (North America) or BSPT (some Asian markets), which seal along the thread flanks.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ddd;\">\n<thead>\n<tr style=\"background-color: #0a9899; color: #fff;\">\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Thread<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Form<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Common Markets<\/th>\n<th style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\">Seal Method<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">G1\/2<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Parallel (ISO 228)<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Europe, Australia, Middle East, Asia<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Flat washer \/ O-ring face seal<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">NPT 1\/2\u2033<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Tapered<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">United States, Canada<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Thread seal tape or compound<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">BSPT 1\/2\u2033<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Tapered<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Some Asian and Middle East projects<\/td>\n<td style=\"padding: 12px; border: 1px solid #ddd;\">Thread seal tape or compound<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Many <a href=\"https:\/\/www.fuaocn.com\/pt\/faucet\/basin-faucets\/\" target=\"_blank\" rel=\"noopener\">torneiras de lavat\u00f3rio<\/a> ship with flexible stainless-steel braided hoses. Check whether the hose ends are G1\/2 male (for direct stop-valve connection) or M10 male (for connection into the faucet body). A <a href=\"https:\/\/www.fuaocn.com\/pt\/faucets\/double-handle-basin-faucet\/\" target=\"_blank\" rel=\"noopener\">double-handle basin faucet<\/a> typically uses two separate flexible hoses and a pair of G1\/2 inlet shanks, while a single-lever mixer routes hot and cold through a single body.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.fuaocn.com\/wp-content\/uploads\/2026\/08\/g1-2-braided-hose.webp\" alt=\"Close-up of a G1\/2 braided stainless steel faucet supply hose and brass coupling nut\" width=\"1200\" height=\"800\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Rough-in_Dimensions_Hole_Spacing_Reach_and_Height\"><\/span>Rough-in Dimensions: Hole Spacing, Reach and Height<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Rough-in dimensions decide whether the faucet will fit the countertop or wall before any plumbing begins. The four measurements that matter most are:<\/p>\n<ul>\n<li><strong>Hole diameter:<\/strong> deck-mounted basin mixers usually need a 33\u201335 mm hole. Widespread or <a href=\"https:\/\/www.fuaocn.com\/pt\/faucets\/double-handle-basin-faucet\/\" target=\"_blank\" rel=\"noopener\">double-handle basin faucets<\/a> need three holes, often 102 mm (4-inch) centres for standard layouts.<\/li>\n<li><strong>Centre-to-centre spacing:<\/strong> for widespread sets, 150 mm (6-inch) or 200 mm (8-inch) centres are common. Verify against the basin drawing before ordering.<\/li>\n<li><strong>Spout reach (projection):<\/strong> the horizontal distance from the centre of the body to the water outlet. Too short and water lands on the basin rim; too long and splashing increases.<\/li>\n<li><strong>Total height:<\/strong> critical for vessel basins and under-mirror clearance. Measure from the deck surface to the highest point of the handle in the open position.<\/li>\n<\/ul>\n<p>For wall-mounted and <a href=\"https:\/\/www.fuaocn.com\/pt\/faucet\/concealed-shower-sets\/\" target=\"_blank\" rel=\"noopener\">concealed shower sets<\/a>, rough-in also includes the depth of the concealed body behind the tile. Once tile is fixed, a too-shallow rough-in box can make trim plates unable to seat flush. Always request the rough-in diagram with minimum and maximum finished-wall thickness.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.fuaocn.com\/wp-content\/uploads\/2026\/08\/basin-faucet-rough-in-installation.webp\" alt=\"Basin faucet mounted on a vanity during installation, with measuring tape and pencil nearby\" width=\"1200\" height=\"800\" \/><\/p>\n<div style=\"background-color: #f2f9f9; border-left: 4px solid #0a9899; padding: 18px 22px; margin: 24px 0;\">\n<p style=\"margin: 0 0 8px 0; font-weight: 600; color: #0a9899;\">Need a project-specific spec sheet?<\/p>\n<p style=\"margin: 0 0 14px 0; line-height: 1.6;\">FAAO supplies dimensional drawings, pressure-test data and material certificates for commercial bids. Send your basin schedule and we will match flow rate, pressure and rough-in to the project.<\/p>\n<p><a style=\"display: inline-block; background-color: #0a9899; color: #ffffff; padding: 12px 24px; text-decoration: none; border-radius: 4px; font-weight: 600;\" href=\"https:\/\/www.fuaocn.com\/pt\/contact-us\/\" target=\"_blank\" rel=\"noopener\">Request a Commercial Spec Sheet<\/a><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Interactive_Spec_Sheet_Decoder\"><\/span>Interactive Spec Sheet Decoder<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Use the guide below to translate common abbreviations and values found on a faucet datasheet. Click each entry to see what it means in plain language.<\/p>\n<details style=\"margin-bottom: 10px; background: #fff; border: 1px solid #dbebeb; border-radius: 4px;\">\n<summary style=\"padding: 12px 16px; cursor: pointer; font-weight: 600; color: #0a9899; list-style: none;\">Q = 6 L\/min @ 0.3 MPa<\/summary>\n<div style=\"padding: 0 16px 16px 16px; line-height: 1.7;\">Flow rate (Q) is 6 litres per minute when measured at a dynamic pressure of 0.3 MPa (3 bar). This equals roughly 1.6 GPM. Confirm whether the aerator was fitted during the test, because removal can inflate the figure by 20\u201340%.<\/div>\n<\/details>\n<details style=\"margin-bottom: 10px; background: #fff; border: 1px solid #dbebeb; border-radius: 4px;\">\n<summary style=\"padding: 12px 16px; cursor: pointer; font-weight: 600; color: #0a9899; list-style: none;\">Pmax = 1.0 MPa \/ 10 bar<\/summary>\n<div style=\"padding: 0 16px 16px 16px; line-height: 1.7;\">Maximum static pressure the faucet body and hoses can withstand without leaking. It is not the normal operating pressure. Install a pressure-limiting valve if site pressure regularly exceeds 0.5 MPa.<\/div>\n<\/details>\n<details style=\"margin-bottom: 10px; background: #fff; border: 1px solid #dbebeb; border-radius: 4px;\">\n<summary style=\"padding: 12px 16px; cursor: pointer; font-weight: 600; color: #0a9899; list-style: none;\">Inlet: G1\/2\u2033 with 40 cm flexible hose<\/summary>\n<div style=\"padding: 0 16px 16px 16px; line-height: 1.7;\">The faucet connects to a 1\/2-inch parallel pipe thread (ISO 228) via a face-seal washer. The supplied braided hose is 40 cm long, measured between the centres of the end fittings.<\/div>\n<\/details>\n<details style=\"margin-bottom: 10px; background: #fff; border: 1px solid #dbebeb; border-radius: 4px;\">\n<summary style=\"padding: 12px 16px; cursor: pointer; font-weight: 600; color: #0a9899; list-style: none;\">Hole: \u00d835 mm; centres 102 mm<\/summary>\n<div style=\"padding: 0 16px 16px 16px; line-height: 1.7;\">The faucet body requires a 35 mm diameter mounting hole. If the model has separate hot and cold handles, the two outer holes are spaced 102 mm apart centre-to-centre.<\/div>\n<\/details>\n<details style=\"margin-bottom: 10px; background: #fff; border: 1px solid #dbebeb; border-radius: 4px;\">\n<summary style=\"padding: 12px 16px; cursor: pointer; font-weight: 600; color: #0a9899; list-style: none;\">Spout reach 110 mm \/ total height 180 mm<\/summary>\n<div style=\"padding: 0 16px 16px 16px; line-height: 1.7;\">Spout reach is the horizontal distance from the body centre to the water outlet. Total height is measured from the mounting deck to the top of the handle. Both values must fit the basin depth and mirror clearance.<\/div>\n<\/details>\n<details style=\"margin-bottom: 0; background: #fff; border: 1px solid #dbebeb; border-radius: 4px;\">\n<summary style=\"padding: 12px 16px; cursor: pointer; font-weight: 600; color: #0a9899; list-style: none;\">Cartridge: 35 mm ceramic disc<\/summary>\n<div style=\"padding: 0 16px 16px 16px; line-height: 1.7;\">A 35 mm diameter ceramic disc cartridge controls water flow and temperature mixing. Ceramic discs are the standard for commercial use because they resist wear and require less maintenance than rubber washers.<\/div>\n<\/details>\n<h2><span class=\"ez-toc-section\" id=\"Red_Flags_on_Supplier_Spec_Sheets\"><\/span>Red Flags on Supplier Spec Sheets<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Even experienced buyers can miss subtle inconsistencies. Watch for these warning signs:<\/p>\n<ul>\n<li><strong>Missing test pressure:<\/strong> a flow rate without a stated pressure is meaningless for cross-project comparison.<\/li>\n<li><strong>Thread type not specified:<\/strong> \u201c1\/2 inch\u201d is not enough. Confirm G1\/2, NPT or BSPT to avoid leakage at installation.<\/li>\n<li><strong>Dimensions without tolerances:<\/strong> commercial batches need \u00b1 tolerance on critical sizes such as spout reach and thread length.<\/li>\n<li><strong>Pressure rating too low for the building:<\/strong> high-rise projects may need static pressure ratings above 1.0 MPa.<\/li>\n<li><strong>Certification claims without licence numbers:<\/strong> WaterMark, WELS and CE registrations should be traceable to a certificate or declaration.<\/li>\n<\/ul>\n<p>FAAO\u2019s quality team reviews every outgoing commercial order against the approved datasheet. If you are comparing multiple suppliers, ask for the same test standard and sample size so the numbers are comparable.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Commercial_Project_Pre-Purchase_Checklist\"><\/span>Commercial Project Pre-Purchase Checklist<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Before placing a commercial order, confirm each point below:<\/p>\n<ul>\n<li>Site water pressure range is known for every floor or zone.<\/li>\n<li>Target flow rate meets local water-efficiency labelling (WELS, WaterSense or local scheme).<\/li>\n<li>Inlet thread matches the installed stop valves and hoses.<\/li>\n<li>Basin hole layout matches the faucet rough-in drawing.<\/li>\n<li>Spout reach and total height suit the basin and mirror layout.<\/li>\n<li>Finish code, cartridge brand and aerator type are written into the purchase order.<\/li>\n<li>Certification documents are available for the destination market.<\/li>\n<\/ul>\n<div style=\"background-color: #f2f9f9; border-left: 4px solid #0a9899; padding: 18px 22px; margin: 24px 0;\">\n<p style=\"margin: 0 0 8px 0; font-weight: 600; color: #0a9899;\">Planning a multi-unit project?<\/p>\n<p style=\"margin: 0 0 14px 0; line-height: 1.6;\">FAAO supports commercial developers with sample approval, custom finishes, OEM\/ODM programmes and full-container delivery. Talk to our team about your basin schedule.<\/p>\n<p><a style=\"display: inline-block; background-color: #0a9899; color: #ffffff; padding: 12px 24px; text-decoration: none; border-radius: 4px; font-weight: 600;\" href=\"https:\/\/www.fuaocn.com\/pt\/contact-us\/\" target=\"_blank\" rel=\"noopener\">Get a Commercial Faucet Quote<\/a><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"What_does_G12_mean_on_a_bathroom_faucet\"><\/span>What does G1\/2 mean on a bathroom faucet?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>G1\/2 is a 1\/2-inch parallel pipe thread defined by ISO 228. It is widely used in Europe, Australia and Asia. Unlike tapered NPT threads, G1\/2 seals with a flat washer or O-ring against the face of the valve body.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_a_good_flow_rate_for_a_commercial_bathroom_faucet\"><\/span>What is a good flow rate for a commercial bathroom faucet?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A good commercial basin faucet flow rate is 4\u20136 L\/min (1.1\u20131.6 GPM) for offices and hotels, and 3\u20135 L\/min for high-traffic public restrooms. Healthcare scrub stations may need up to 9 L\/min for effective hand washing.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_do_I_convert_Lmin_to_GPM\"><\/span>How do I convert L\/min to GPM?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Divide the L\/min value by 3.785. For example, 6 L\/min \u00f7 3.785 = 1.59 GPM. To convert GPM to L\/min, multiply by 3.785.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_static_and_dynamic_pressure\"><\/span>What is the difference between static and dynamic pressure?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Static pressure is the pressure in the pipes when no water is running. Dynamic pressure is the pressure while water is flowing through the faucet. Flow rate is measured at dynamic pressure, while burst or leak ratings refer to static pressure.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_does_rough-in_size_matter_for_commercial_projects\"><\/span>Why does rough-in size matter for commercial projects?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Rough-in size determines whether the faucet fits the countertop or wall before tile and fixtures are fixed. Wrong hole spacing, hole diameter or spout reach can cause installation delays, splashing or the need to replace basins.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Related_Resources\"><\/span>Related Resources<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/watermark-vs-wels-australian-faucet-certification-standards\/\" target=\"_blank\" rel=\"noopener\">WaterMark vs WELS: Australian Faucet Standards Explained<\/a><\/li>\n<li><a href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/as-nzs-3718-watermark-faucet-testing-compliance\/\" target=\"_blank\" rel=\"noopener\">WaterMark Faucet Testing Requirements: AS\/NZS 3718 Standards Explained<\/a><\/li>\n<li><a href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/how-to-choose-commercial-bathroom-faucets\/\" target=\"_blank\" rel=\"noopener\">How to Choose Commercial Bathroom Faucets: Restaurants, Hospitals, Schools &amp; Offices<\/a><\/li>\n<li><a href=\"https:\/\/www.fuaocn.com\/pt\/blog\/industry-news\/what-is-a-basin-faucet-in-commercial-bathroom-applications\/\" target=\"_blank\" rel=\"noopener\">What Is a Basin Faucet in Commercial Bathroom Applications?<\/a><\/li>\n<\/ul>\n<p>Reading a bathroom faucet specification sheet is not about memorising numbers\u2014it is about matching each value to the building\u2019s plumbing, usage and compliance requirements. Start with flow rate and pressure, confirm the thread type matches local installation practice, then check rough-in dimensions against the basin schedule. With those four areas verified, you can specify with confidence and avoid costly site corrections. For commercial quantities, project-specific certificates or OEM\/ODM finishing, FAAO can support you from sample review through full delivery.<\/p>","protected":false},"excerpt":{"rendered":"<p>A practical B2B guide to reading bathroom faucet specification sheets for commercial projects. Decode flow rate, pressure, G1\/2 connection and rough-in dimensions with confidence.<\/p>","protected":false},"author":5,"featured_media":3380,"menu_order":3,"template":"","meta":{"_acf_changed":false},"blogs_category":[156],"class_list":["post-3385","blogs","type-blogs","status-publish","has-post-thumbnail","hentry","blogs_category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.fuaocn.com\/pt\/wp-json\/wp\/v2\/blogs\/3385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fuaocn.com\/pt\/wp-json\/wp\/v2\/blogs"}],"about":[{"href":"https:\/\/www.fuaocn.com\/pt\/wp-json\/wp\/v2\/types\/blogs"}],"author":[{"embeddable":true,"href":"https:\/\/www.fuaocn.com\/pt\/wp-json\/wp\/v2\/users\/5"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fuaocn.com\/pt\/wp-json\/wp\/v2\/media\/3380"}],"wp:attachment":[{"href":"https:\/\/www.fuaocn.com\/pt\/wp-json\/wp\/v2\/media?parent=3385"}],"wp:term":[{"taxonomy":"blogs_category","embeddable":true,"href":"https:\/\/www.fuaocn.com\/pt\/wp-json\/wp\/v2\/blogs_category?post=3385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}