{"id":1274,"date":"2022-08-08T16:15:29","date_gmt":"2022-08-08T08:15:29","guid":{"rendered":"https:\/\/limegreen-okapi-448594.hostingersite.com\/?page_id=1274"},"modified":"2026-07-29T22:06:00","modified_gmt":"2026-07-29T14:06:00","slug":"coal-chemical-industries","status":"publish","type":"page","link":"https:\/\/raymonvalve.com\/ar\/coal-chemical-industries\/","title":{"rendered":"\u0635\u0645\u0627\u0645\u0627\u062a \u0635\u0646\u0627\u0639\u064a\u0629 \u0644\u0645\u062d\u0637\u0627\u062a \u0627\u0644\u0641\u062d\u0645 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1274\" class=\"elementor elementor-1274\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7492fb9b e-con-full e-flex e-con e-parent\" data-id=\"7492fb9b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1fda6d19 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.rv-actions{margin-top:22px}}.rv-cardlink{text-decoration:none;color:inherit;display:block}.rv-cardlink:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(11,23,49,.13)}.rv-state{display:inline-block;margin-top:14px;font-size:11px;font-weight:800;color:#1f29bd}.rv-systems{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}.rv-system{padding:22px;border:1px solid var(--rv-line);border-radius:12px;background:#fff}.rv-system b{display:block;color:var(--rv-blue);margin-bottom:8px}.rv-system p{margin:0;color:#667085;font-size:14px}.rv-riskgrid,.rv-limitgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.rv-risk,.rv-limit{padding:24px;border-radius:12px;background:#fff;color:#26344d}.rv-risk h3,.rv-limit h3{margin:0 0 10px;color:#1f29bd;font-size:19px}.rv-risk p,.rv-limit p{margin:0;font-size:14px}.rv-trust{margin-top:30px;padding:26px;border:1px solid var(--rv-line);border-left:5px solid var(--rv-blue);border-radius:10px;background:#f8faff}.rv-trustgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px 30px}.rv-trust b{display:block;color:var(--rv-ink);margin-bottom:5px}.rv-trust p{margin:0;color:#667085;font-size:14px}.rv-trustlinks{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.rv-trustlinks a{color:var(--rv-blue);font-size:13px;font-weight:800}body.page-id-1274 #content,body.page-id-1274 .site-content,body.page-id-1274 #primary,body.page-id-1274 #main,body.page-id-1274 .entry-content{margin-top:0!important;padding-top:0!important}body.page-id-1274 .site-content>.ast-container{max-width:100%!important;padding-left:0!important;padding-right:0!important}@media(max-width:980px){.rv-systems,.rv-riskgrid,.rv-limitgrid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.rv-systems,.rv-riskgrid,.rv-limitgrid,.rv-trustgrid{grid-template-columns:1fr}}<\/style><main class=\"rv-cat\">\n<section class=\"rv-hero\"><div class=\"rv-wrap\"><div class=\"rv-crumb\"><a href=\"\/\">Home<\/a> \/ <a href=\"\/valves-involved-industries\/\">Industries<\/a> \/ Industrial Valves for Coal Chemical Plants<\/div><div class=\"rv-kicker\" style=\"color:#f3cc18\">Coal chemical valve applications<\/div><h1 class=\"rv-title\">Industrial Valves for Coal Chemical and Gasification Systems<\/h1><p>Coal conversion and gasification combine abrasive solids, slurry, high-temperature syngas, corrosive contaminants and rapid operating transients. Valve construction must be selected around erosion paths, cavity behavior, hardfacing, purge arrangements, actuation and maintainability.<\/p><div class=\"rv-actions\"><a class=\"rv-btn rv-primary\" href=\"\/contact\/\">Send Application Data<\/a><a class=\"rv-btn rv-ghost\" href=\"#systems\">Review Plant Systems<\/a><\/div><div class=\"rv-pills\"><span class=\"rv-pill\">Gasification and syngas<\/span><span class=\"rv-pill\">Coal slurry and solids<\/span><span class=\"rv-pill\">Acid gas removal<\/span><span class=\"rv-pill\">Severe-service actuation<\/span><\/div><\/div><\/section>\n<section id=\"systems\" class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Plant systems<\/div><h2 class=\"rv-h2\">Service areas that require separate valve review<\/h2><p class=\"rv-lead\">Each system creates a different combination of media, pressure, temperature, cycling and failure consequence.<\/p><div class=\"rv-systems\"><div class=\"rv-system\"><b>Coal preparation and slurry<\/b><p>Abrasive particles, settling, plugging and frequent cycling.<\/p><\/div><div class=\"rv-system\"><b>Gasification<\/b><p>High temperature, pressure, solids entrainment and rapid isolation.<\/p><\/div><div class=\"rv-system\"><b>Syngas treatment<\/b><p>H2S, CO2, condensate, corrosion and toxic service.<\/p><\/div><div class=\"rv-system\"><b>Synthesis units<\/b><p>High pressure, hydrogen-rich media and precise control.<\/p><\/div><div class=\"rv-system\"><b>Blackwater and slag<\/b><p>Highly erosive slurry, flashing and severe trim wear.<\/p><\/div><div class=\"rv-system\"><b>Steam and utilities<\/b><p>Thermal cycling, feedwater, cooling water and auxiliary gases.<\/p><\/div><\/div><\/div><\/section>\n<section class=\"rv-section rv-dark\"><div class=\"rv-wrap\"><div class=\"rv-kicker\" style=\"color:#f3cc18\">Application matrix<\/div><h2 class=\"rv-h2\">Map service conditions to a valve engineering route<\/h2><p class=\"rv-lead\">This matrix is a technical starting point. Final selection requires the project datasheet and all operating cases.<\/p><div class=\"rv-tablewrap\"><table class=\"rv-table\"><thead><tr><th>Application<\/th><th>Critical conditions<\/th><th>Common valve route<\/th><th>Review focus<\/th><\/tr><\/thead><tbody><tr><td>Coal-water slurry isolation<\/td><td>High solids and abrasion<\/td><td>Severe-service ball, plug or knife gate<\/td><td>Full flow path, cavity purge, hardfacing, seat protection and torque<\/td><\/tr><tr><td>Gasifier feed<\/td><td>High pressure, solids and cycling<\/td><td>Engineered severe-service valve<\/td><td>Cycle life, hard coatings, purge, actuator margin and maintainability<\/td><\/tr><tr><td>Syngas isolation<\/td><td>Toxic, flammable, high pressure<\/td><td>Ball, gate or plug<\/td><td>Tight shutoff, stem sealing, materials, fire safety and ESD<\/td><\/tr><tr><td>Blackwater letdown<\/td><td>Flashing, erosion and solids<\/td><td>Severe-service control valve<\/td><td>Staged pressure drop, trim velocity, hardfacing and downstream piping<\/td><\/tr><tr><td>Acid gas service<\/td><td>H2S\/CO2 and wet corrosion<\/td><td>Project-selected isolation\/control<\/td><td>NACE scope, corrosion, hardness, leakage and documentation<\/td><\/tr><tr><td>Steam and feedwater<\/td><td>Temperature and pressure cycling<\/td><td>Gate, globe, check or control<\/td><td>Pressure boundary, trim, cavitation and dynamic response<\/td><\/tr><\/tbody><\/table><\/div><\/div><\/section>\n<section class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Valve families<\/div><h2 class=\"rv-h2\">Product categories used across this industry<\/h2><p class=\"rv-lead\">Select the valve family only after confirming the required function and service conditions.<\/p><div class=\"rv-grid\"><a class=\"rv-card rv-cardlink\" href=\"\/ball-valves\/\"><span class=\"rv-num\">01<\/span><h3>Ball Valves<\/h3><p>Severe-service and actuated isolation routes.<\/p><span class=\"rv-state\">VIEW CATEGORY \u2192<\/span><\/a><a class=\"rv-card rv-cardlink\" href=\"\/plug-valves\/\"><span class=\"rv-num\">02<\/span><h3>Plug Valves<\/h3><p>Quarter-turn options for selected slurry and process duties.<\/p><span class=\"rv-state\">VIEW CATEGORY \u2192<\/span><\/a><a class=\"rv-card rv-cardlink\" href=\"\/gate-valves\/\"><span class=\"rv-num\">03<\/span><h3>Gate Valves<\/h3><p>Isolation for steam, syngas and auxiliary systems.<\/p><span class=\"rv-state\">VIEW CATEGORY \u2192<\/span><\/a><a class=\"rv-card rv-cardlink\" href=\"\/control-valves\/\"><span class=\"rv-num\">04<\/span><h3>Control Valves<\/h3><p>Letdown, flow and pressure control under erosive conditions.<\/p><span class=\"rv-state\">VIEW CATEGORY \u2192<\/span><\/a><a class=\"rv-card rv-cardlink\" href=\"\/check-valves\/\"><span class=\"rv-num\">05<\/span><h3>Check Valves<\/h3><p>Pump and compressor reverse-flow protection.<\/p><span class=\"rv-state\">VIEW CATEGORY \u2192<\/span><\/a><a class=\"rv-card rv-cardlink\" href=\"\/actuated-valves\/\"><span class=\"rv-num\">06<\/span><h3>Actuated Packages<\/h3><p>High-cycle and emergency packages with purge and controls.<\/p><span class=\"rv-state\">VIEW CATEGORY \u2192<\/span><\/a><\/div><\/div><\/section>\n<section class=\"rv-section rv-dark\"><div class=\"rv-wrap\"><div class=\"rv-kicker\" style=\"color:#f3cc18\">Critical engineering checks<\/div><h2 class=\"rv-h2\">Resolve severe-service risks before quotation<\/h2><div class=\"rv-riskgrid\"><div class=\"rv-risk\"><h3>Erosion and hardfacing<\/h3><p>Define solids size, concentration, velocity, pressure drop and cycle count; align hard materials with the actual wear path.<\/p><\/div><div class=\"rv-risk\"><h3>Cavity plugging<\/h3><p>Review dead spaces, orientation, purge or flush connections, drainage and seat-clearing behavior.<\/p><\/div><div class=\"rv-risk\"><h3>Actuator margin<\/h3><p>Use verified end-of-life torque or thrust under maximum differential pressure, contamination and utility limits.<\/p><\/div><\/div><div class=\"rv-kicker\" style=\"color:#f3cc18;margin-top:54px\">Selection boundaries<\/div><h2 class=\"rv-h2\">When the standard selection route is not enough<\/h2><div class=\"rv-limitgrid\"><div class=\"rv-limit\"><h3>Do not use a soft seat in the solids impact path<\/h3><p>Particle impact, trapped solids and differential pressure can cut or extrude resilient seats.<\/p><\/div><div class=\"rv-limit\"><h3>Do not size blackwater letdown from Cv alone<\/h3><p>Flashing, erosive velocity, solids passage, outlet conditions and downstream piping must be evaluated together.<\/p><\/div><div class=\"rv-limit\"><h3>Do not treat purge connections as optional accessories<\/h3><p>Purge pressure, medium, timing and control logic are part of the valve operating design.<\/p><\/div><\/div><\/div><\/section>\n<section class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Industry-specific workflow<\/div><h2 class=\"rv-h2\">From application definition to an auditable valve decision<\/h2><div class=\"rv-flow\"><div class=\"rv-step\"><b>1. Characterize the solids<\/b><span>Record particle distribution, concentration, hardness and settling.<\/span><\/div><div class=\"rv-step\"><b>2. Map the gasification cycle<\/b><span>Include feed, start-up, trip, purge and depressurization.<\/span><\/div><div class=\"rv-step\"><b>3. Locate the wear path<\/b><span>Identify impingement, throttling, cavities and downstream velocity.<\/span><\/div><div class=\"rv-step\"><b>4. Engineer purge and actuation<\/b><span>Define purge logic, end-of-life torque, speed and fail action.<\/span><\/div><div class=\"rv-step\"><b>5. Qualify materials<\/b><span>Align base alloys, hardfacing, welding and sour-service scope.<\/span><\/div><div class=\"rv-step\"><b>6. Plan inspection and spares<\/b><span>Set hold points, wear measurements and replaceable components.<\/span><\/div><\/div><\/div><\/section>\n<section class=\"rv-section rv-dark\"><div class=\"rv-wrap\"><div class=\"rv-kicker\" style=\"color:#f3cc18\">RFQ checklist<\/div><h2 class=\"rv-h2\">Minimum information for technical quotation<\/h2><div class=\"rv-check\"><div>Process unit, tag function and slurry or gas service<\/div><div>Complete media composition and solids data<\/div><div>All pressure, temperature, flow and differential-pressure cases<\/div><div>Cycling frequency, required life and maintenance philosophy<\/div><div>Valve type, bore, cavity, purge and drain requirements<\/div><div>Body, trim, hardfacing, seat and packing materials<\/div><div>Actuator, fail action, stroke time and control logic<\/div><div>Tests, NDE, NACE scope, inspection and documents<\/div><\/div><\/div><\/section>\n<section class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Technical authority and scope<\/div><h2 class=\"rv-h2\">How this page should be used<\/h2><div class=\"rv-trust\"><div class=\"rv-trustgrid\"><div><b>Primary search intent<\/b><p>Technical evaluation for gasification and coal-chemical engineers solving abrasive slurry, syngas, blackwater letdown and severe-cycle valve duties.<\/p><\/div><div><b>Technical content owner<\/b><p>Raymon Valve technical content team. Final tag selection requires an engineer review of project documents.<\/p><\/div><div><b>Standards boundary<\/b><p>Valve design and pressure testing must follow the applicable project and valve-type standards; sour syngas may require NACE MR0175\/ISO 15156 review. Hardfacing and purge acceptance criteria are project-specific and require engineer approval.<\/p><\/div><div><b>Review and update status<\/b><p>Technical scope reviewed 27 July 2026. Standard editions, certifications and project-specific clauses must be reconfirmed before order.<\/p><\/div><\/div><div class=\"rv-trustlinks\"><a href=\"\/valve-inspection\/\">Inspection &amp; Testing<\/a><a href=\"\/valve-manufacturing-process\/\">Manufacturing Process<\/a><a href=\"\/valve-standards\/\">Valve Standards<\/a><a href=\"\/contact\/\">Request Engineer Review<\/a><\/div><\/div><\/div><\/section>\n<section class=\"rv-section\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Frequently asked questions<\/div><h2 class=\"rv-h2\">Industrial Valves for Coal Chemical Plants FAQ<\/h2><div class=\"rv-faq\"><details><summary>Why are coal chemical valves considered severe service?<\/summary><p>Many tags combine abrasive solids, high pressure drop, flashing, toxic gas and frequent cycling, creating erosion, plugging and leakage risks.<\/p><\/details><details><summary>What data is required for slurry valve selection?<\/summary><p>Provide solids composition, particle size distribution, concentration, settling behavior, velocity, pressure drop, temperature, cycle frequency and flushing method.<\/p><\/details><details><summary>How should hardfacing be specified?<\/summary><p>Select hardfacing based on wear mechanism, impact, temperature, corrosion, mating surfaces and repair strategy\u2014not hardness alone.<\/p><\/details><details><summary>Why is actuator sizing critical in slurry service?<\/summary><p>Deposits and wear can increase operating torque over time, so actuator sizing must use realistic end-of-life conditions and project safety factors.<\/p><\/details><\/div><\/div><\/section>\n<section class=\"rv-section\" style=\"padding-top:0\"><div class=\"rv-wrap\"><div class=\"rv-cta\"><div><div class=\"rv-kicker\" style=\"color:#f3cc18\">Application review<\/div><h2>Send the valve list and process datasheets<\/h2><p>We will review valve construction, materials, operation, tests and documents by tag.<\/p><\/div><div class=\"rv-actions\"><a class=\"rv-btn rv-primary\" href=\"\/contact\/\">Request Technical Review<\/a><a class=\"rv-btn rv-ghost\" href=\"\/valves-involved-industries\/\">All Industries<\/a><\/div><\/div><\/div><\/section>\n<!-- rv-priority-one-page-v1:start --><style id=\"rv-priority-one-page-style-v1\">\n.rv-priority-one-page-v1{background:#f5f8fc}.rv-priority-summary{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}.rv-priority-summary>div,.rv-casecard{padding:23px;border:1px solid var(--rv-line);border-radius:12px;background:#fff}.rv-priority-summary b,.rv-casecard b{display:block;color:var(--rv-blue);margin-bottom:8px}.rv-priority-summary p,.rv-casecard p{margin:0;color:#5f6b7c}.rv-priority-table td:first-child{min-width:145px}.rv-casegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}.rv-casecard small{display:block;margin-top:13px;padding-top:12px;border-top:1px solid var(--rv-line);color:#697586}.rv-evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}.rv-evidence-grid span{padding:14px 16px;border:1px solid rgba(255,255,255,.16);border-radius:9px;background:rgba(255,255,255,.06);color:#e4ecfa}.rv-priority-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.rv-priority-links a{padding:10px 14px;border:1px solid var(--rv-line);border-radius:999px;background:#fff;color:var(--rv-blue);font-size:13px;font-weight:800;text-decoration:none}.rv-eeat-note{margin-top:24px;padding:20px;border-left:4px solid var(--rv-yellow);border-radius:8px;background:rgba(255,255,255,.07);color:#cbd7ea}.rv-eeat-note b{color:#fff}.rv-eeat-note a{color:#f3cc18}@media(max-width:820px){.rv-priority-summary,.rv-casegrid,.rv-evidence-grid{grid-template-columns:1fr}.rv-priority-table{min-width:760px}}\n<\/style><section id=\"priority-one-page\" class=\"rv-section rv-priority-one-page-v1\"><div class=\"rv-wrap\"><div class=\"rv-kicker\">Priority commercial page<\/div><h2 class=\"rv-h2\">Treat solids, corrosion and energy release as one severe-service problem<\/h2><p class=\"rv-lead\">Coal gasification and synthesis duties can combine particles, high pressure drop, toxic gas, corrosion and cycling. Each mechanism must be located in the valve flow path.<\/p><div class=\"rv-priority-summary\"><div><b>Who this page is for<\/b><p>Coal-chemical process engineers, EPC teams and severe-service buyers.<\/p><\/div><div><b>Primary search task<\/b><p>Coal-chemical valve application and severe-service evaluation. Search-volume data is not asserted without connected GSC or keyword-tool evidence.<\/p><\/div><\/div><div class=\"rv-tablewrap\" style=\"margin-top:28px\"><table class=\"rv-table rv-priority-table\"><thead><tr><th>Decision<\/th><th>Why it changes the offer<\/th><th>Recommended review route<\/th><th>Evidence to request<\/th><\/tr><\/thead><tbody><tr><td>Solids behavior<\/td><td>Particle size, hardness, concentration and settling control wear and blockage.<\/td><td>Characterize slurry and gas-borne solids.<\/td><td>Particle distribution and operating velocity<\/td><\/tr><tr><td>Energy release<\/td><td>High pressure drop can accelerate erosion, flashing, noise and vibration.<\/td><td>Map local velocity and phase change for every case.<\/td><td>Sizing and wear-path review<\/td><\/tr><tr><td>Chemistry and containment<\/td><td>Syngas, sulfur species and process chemicals affect materials and stem sealing.<\/td><td>Review complete composition and leakage objective.<\/td><td>Corrosion\/material and emissions basis<\/td><\/tr><tr><td>Flushing and maintenance<\/td><td>Dead pockets and packed solids can immobilize the closure.<\/td><td>Design purge, drain, orientation and replaceable wear access.<\/td><td>Purge schematic and maintenance plan<\/td><\/tr><\/tbody><\/table><\/div><div class=\"rv-kicker\" style=\"margin-top:38px\">Application decision patterns<\/div><h2 class=\"rv-h2\" style=\"font-size:30px\">Three realistic contexts to test the specification<\/h2><p class=\"rv-lead\">These are illustrative engineering decision scenarios\u2014not named customer projects, installed-performance claims or promises of suitability.<\/p><div class=\"rv-casegrid\"><article class=\"rv-casecard\"><b>Gasifier slurry isolation<\/b><p><strong>Decision pressure:<\/strong> Settling abrasive solids attack seats and cavities.<br><strong>Engineering route:<\/strong> Use a clear flow path, protected sealing and planned flushing.<\/p><small>No wear-life value is claimed without service evidence.<\/small><\/article><article class=\"rv-casecard\"><b>Syngas letdown<\/b><p><strong>Decision pressure:<\/strong> Toxic gas and high pressure ratio raise containment and trim risks.<br><strong>Engineering route:<\/strong> Coordinate staged trim, materials, packing and actuator.<\/p><small>Final design requires composition and all flow cases.<\/small><\/article><article class=\"rv-casecard\"><b>Black-water circuit<\/b><p><strong>Decision pressure:<\/strong> Flashing, particles and corrosion can act simultaneously.<br><strong>Engineering route:<\/strong> Separate mechanism zones and choose replaceable protection.<\/p><small>Generic hardness alone does not establish suitability.<\/small><\/article><\/div><div class=\"rv-priority-links\"><a href=\"\/wear-resistant-working-condition\/\">Wear-resistant solutions \u2192<\/a><a href=\"\/control-valves\/\">Control valves \u2192<\/a><a href=\"\/contact\/\">Discuss coal-chemical duty \u2192<\/a><\/div><\/div><\/section><section class=\"rv-section rv-dark\"><div class=\"rv-wrap\"><div class=\"rv-kicker\" style=\"color:#f3cc18\">E-E-A-T and approval evidence<\/div><h2 class=\"rv-h2\">Evidence that should exist before technical approval<\/h2><div class=\"rv-evidence-grid\"><span>Particle and chemistry data<\/span><span>All pressure-drop\/phase cases<\/span><span>Wear-path drawing<\/span><span>Hardfacing\/liner\/seat system<\/span><span>Purge and drain arrangement<\/span><span>Material, NDE and functional evidence<\/span><\/div><div class=\"rv-eeat-note\"><b>Content responsibility and limits.<\/b> This page supports early technical and commercial evaluation. Raymon Valve\u2019s content team maintains the public guidance; the responsible project engineer, purchaser and quality reviewers must approve order-specific construction, calculations, standards\/editions, materials, tests and deviations. Application patterns above are not customer case studies. Review the <a href=\"\/technical-content-review-policy\/\">technical content and evidence policy<\/a>. Updated 29 July 2026.<\/div><div class=\"rv-cta\" style=\"margin-top:28px\"><div><div class=\"rv-kicker\" style=\"color:#f3cc18\">Next decision<\/div><h2>Send solids, chemistry, pressure-drop and flushing data<\/h2><p>Mark confirmed inputs, preliminary assumptions and open questions separately so the first review can focus on risk.<\/p><\/div><div class=\"rv-actions\"><a class=\"rv-btn rv-primary\" href=\"\/contact\/\">Request Severe-Service Review<\/a><\/div><\/div><\/div><\/section><!-- rv-priority-one-page-v1:end --><\/main><script type=\"application\/ld+json\">[{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/raymonvalve.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Industries\",\"item\":\"https:\/\/raymonvalve.com\/valves-involved-industries\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Industrial Valves for Coal Chemical 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