{"id":82,"date":"2026-10-05T20:14:55","date_gmt":"2026-10-05T12:14:55","guid":{"rendered":"http:\/\/runda-hitech.com\/?page_id=82"},"modified":"2026-10-05T21:09:38","modified_gmt":"2026-10-05T13:09:38","slug":"needle-valves","status":"publish","type":"page","link":"https:\/\/runda-hitech.com\/index.php\/products\/valves\/needle-valves\/","title":{"rendered":"Needle Valves for Instrument and Sampling Lines"},"content":{"rendered":"\n<div class=\"wp-block-cover alignfull rlok-hero\" style=\"min-height:430px;aspect-ratio:unset;\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background\" alt=\"\" src=\"http:\/\/runda-hitech.com\/wp-content\/uploads\/2026\/10\/r-lok-needle-valves-1-1.jpg\" data-object-fit=\"cover\"\/><div class=\"wp-block-cover__inner-container has-global-padding is-layout-constrained wp-block-cover-is-layout-constrained\">\n<h1 class=\"wp-block-heading\">Needle Valves for Instrument and Sampling Lines<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">R-LOK needle valves give instrument, impulse and sampling lines a throttling point that can be set and repeated. Three body styles cover the range: integral-bonnet SINV, barstock SBNV and union-bonnet SUNV, each in straight and angle patterns. Orifices run from 2.0 mm to 11.0 mm (0.08 in to 0.437 in) with Cv 0.09 to 2.2.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/index.php\/contact\/\">Request a quote<\/a><\/div>\n\n<div class=\"wp-block-button is-style-outline\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/index.php\/products\/\">Browse products<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group rlok-body has-global-padding is-layout-constrained wp-container-core-group-is-layout-b8954cbe wp-block-group-is-layout-constrained\" style=\"border-radius:0px\">\n<p class=\"wp-block-paragraph\"><span class=\"rlok-fallback-nav\"><a href=\"\/index.php\/products\/\">Products<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/applications\/\">Applications<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/quality\/\">Quality<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/resources\/\">Resources<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/about\/\">About<\/a> &nbsp;&middot;&nbsp; <a href=\"\/index.php\/contact\/\">Contact<\/a><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"rlok-bc\"><a href=\"\/index.php\/\">Home<\/a> &rsaquo; <a href=\"\/index.php\/products\/\">Products<\/a> &rsaquo; <a href=\"\/index.php\/products\/valves\/\">Instrumentation Valves<\/a> &rsaquo; <strong>Needle Valves<\/strong><\/span><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6ac5c474 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/runda-hitech.com\/wp-content\/uploads\/2026\/10\/r-lok-needle-valves-2-1.jpg\" alt=\"Panel-mount needle valve with large knurled handle and NPT female port\" width=\"760\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6ac5c474 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Key features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Integral-bonnet SINV and SBNV, union-bonnet SUNV, straight or angle.<\/li>\n\n<li>Orifice 2.0 mm to 11 mm; Cv 0.09 to 2.2.<\/li>\n\n<li>316 stainless bodies at 6,000 psig (413 bar).<\/li>\n\n<li>Metal cone, regulating or PCTFE soft seat stem.<\/li>\n\n<li>PTFE, PEEK or graphite packing to 1,200 F (648 C).<\/li>\n\n<li>Ferrule 1\/16 in to 1 in, NPT and BSPT 1\/8 in to 1 in.<\/li>\n<\/ul>\n<\/div>\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>Parameter<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td>Orifice sizes<\/td><td>2.0, 4.3, 4.4, 6.0, 6.3, 6.4, 9.5 and 11.0 mm (0.08-0.437 in)<\/td><\/tr><tr><td>Flow coefficients<\/td><td>SINV 0.09, 0.37, 0.73, 1.80; SBNV 0.37, 0.73<\/td><\/tr><tr><td>Flow coefficients<\/td><td>SUNV 0.35, 0.86, 2.2<\/td><\/tr><tr><td>Body materials<\/td><td>316 SS (A182 F316), brass (B283), alloy 400, 20, 600, C-276<\/td><\/tr><tr><td>Stem and seat<\/td><td>316 SS (A276), alloy 400 (B164), PCTFE to 200 F (93 C)<\/td><\/tr><tr><td>Working pressure<\/td><td>6,000 psig (413 bar) 100 F; 5,000 psig (345 bar) 400, 20<\/td><\/tr><tr><td>Temperature<\/td><td>PTFE -65\/450 F (232 C), PEEK 600\/315, graphite 1,200 F (648 C)<\/td><\/tr><tr><td>Pressure test<\/td><td>nitrogen 1,000 psig (69 bar), leakage under 0.1 std cm3\/s<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Setting a repeatable flow<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A stem advances into the seat over several turns, so the operator sets a small, repeatable flow instead of only opening or closing the line. The range splits by how the bonnet attaches.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SINV uses an integral bonnet on a forged body with 2.0 mm to 9.5 mm orifices and Cv 0.09 to 1.80. SBNV uses a barstock body: 4.3 mm and 6.4 mm. SUNV uses a union bonnet with 4.0 mm, 6.0 mm and 11.0 mm orifices.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Materials and seating<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bodies come in 316 stainless steel, brass, alloy 400, alloy 20, alloy 600 and alloy C-276. Stems are 316 stainless steel or alloy 400. Bonnet, packing nuts and gasket are 316 stainless steel, and the disc spring is S17700 (17-7 PH).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The standard stem is a metal-to-metal cone; a regulating stem throttles finer over the same turns and a PCTFE soft seat shuts off tighter. Packing sets the temperature limit: PTFE to 450 F, PEEK to 600 F, graphite on SUNV to 1,200 F (648 C).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ends and part numbers<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tube-ferrule ends take 1\/16 in to 1 in (1.6 mm to 25.4 mm) OD tubing depending on series. Threaded ends are NPT or ISO tapered (BSPT) from 1\/8 in to 1 in, male or female. SUNV adds socket-weld ends.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Part numbers follow a fixed field order, as in SINV3A-M4N-S6-RS-PE-AH-SS: angle pattern, 6.3 mm orifice, 1\/4 in NPT male inlet, 3\/8 in ferrule outlet, regulating stem, PEEK packing, aluminium bar handle, 316 stainless body.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Standards referenced:<\/strong> ASTM A182 (F316 body), ASTM A276 (316 stem); ASTM B564, ASTM B283, ASTM B164, ASTM A693 (17-7 PH); NPT per ASME B1.20.1; BSPT per ISO 7-1; ASME B31.3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Typical duties:<\/strong> Instrument air and impulse lines on wellheads; Gauge, transmitter and DP flow isolation; Sampling and analyzer panels in refineries; Hydraulic and pneumatic calibration rigs; Chemical injection and dosing skids; Steam and condensate sampling with graphite packing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Needle valve model selection guide (SBNV series)<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th>Series \/ model<\/th><th>Size<\/th><th>Connection<\/th><th>Working pressure<\/th><th>Body material<\/th><th>Cv<\/th><\/tr><\/thead><tbody><tr><td>SBNV1-F4N<\/td><td>4.3 mm bore<\/td><td>Inlet\/outlet 1\/4 NPT female thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.37<\/td><\/tr><tr><td>SBNV1-F4R<\/td><td>4.3 mm bore<\/td><td>Inlet\/outlet 1\/4 ISO taper pipe female thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.37<\/td><\/tr><tr><td>SBNV1-M4N<\/td><td>4.3 mm bore<\/td><td>Inlet\/outlet 1\/4 NPT male thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.37<\/td><\/tr><tr><td>SBNV1-M4N-F4N<\/td><td>4.3 mm bore<\/td><td>Inlet 1\/4 NPT male thread, outlet 1\/4 NPT female thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.37<\/td><\/tr><tr><td>SBNV1-M4N-S4<\/td><td>4.3 mm bore<\/td><td>Inlet 1\/4 NPT male thread, outlet 1\/4 in. GBO-LOK tube fitting<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.37<\/td><\/tr><tr><td>SBNV1-S4<\/td><td>4.3 mm bore<\/td><td>Inlet\/outlet 1\/4 in. GBO-LOK tube fitting<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.37<\/td><\/tr><tr><td>SBNV2-F6N<\/td><td>6.4 mm bore<\/td><td>Inlet\/outlet 3\/8 NPT female thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.73<\/td><\/tr><tr><td>SBNV2-F8N<\/td><td>6.4 mm bore<\/td><td>Inlet\/outlet 1\/2 NPT female thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.73<\/td><\/tr><tr><td>SBNV2-F8R<\/td><td>6.4 mm bore<\/td><td>Inlet\/outlet 1\/2 ISO taper pipe female thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.73<\/td><\/tr><tr><td>SBNV2-M6N-F6N<\/td><td>6.4 mm bore<\/td><td>Inlet 3\/8 NPT male thread, outlet 3\/8 NPT female thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.73<\/td><\/tr><tr><td>SBNV2-M8N-F8N<\/td><td>6.4 mm bore<\/td><td>Inlet 1\/2 NPT male thread, outlet 1\/2 NPT female thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.73<\/td><\/tr><tr><td>SBNV2-M12N-F8N<\/td><td>6.4 mm bore<\/td><td>Inlet 3\/4 NPT male thread, outlet 1\/2 NPT female thread<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.73<\/td><\/tr><tr><td>SBNV2-M6N-S8<\/td><td>6.4 mm bore<\/td><td>Inlet 3\/8 NPT male thread, outlet 1\/2 in. GBO-LOK tube fitting<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.73<\/td><\/tr><tr><td>SBNV2-S6<\/td><td>6.4 mm bore<\/td><td>Inlet\/outlet 3\/8 in. GBO-LOK tube fitting<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.73<\/td><\/tr><tr><td>SBNV2-S8<\/td><td>6.4 mm bore<\/td><td>Inlet\/outlet 1\/2 in. GBO-LOK tube fitting<\/td><td>6000 psig (413 bar) at 100 degF (38 degC) for 316 stainless steel; 5000 psig (345 bar) for Alloy 400<\/td><td>316 stainless steel \/ Alloy 400<\/td><td>0.73<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Selection notes:<\/strong> Rows are the SBNV \u5c3a\u5bf8\u8868 (dimension table) printed on catalogue page 6-09; the model designations follow the ordering examples on page 6-11, for example SBNV1-S4-SS and SBNV2-M8N-F8N-A-PE-SS (SBNV2\u7cfb\u5217\u9488\u9600). Working pressure is the SBNV \u6280\u672f\u53c2\u6570 \u538b\u529b\u7b49\u7ea7 on page 6-07: 6000psig(413bar)@100\u00b0F(38\u00b0C). The \u538b\u529b\/\u6e29\u5ea6\u8303\u56f4 table on the same page gives 6000 psig (413 bar) for 316 stainless steel and 5000 psig (345 bar) for Alloy 400 over -65 degF to 100 degF (-54 degC to 38 degC), for both the \u9525\u5f62\u9600\u5c16 and \u8f6f\u9600\u5c16 versions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Catalogue reference 6-04, 6-07, 6-08, 6-09, 6-10, 6-11. Confirm the final rating against the data sheet issued with your order.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>See also:<\/strong> <a href=\"\/index.php\/products\/valves\/ball-valves\/\">Ball Valves<\/a> &middot; <a href=\"\/index.php\/products\/valves\/check-valves\/\">Check Valves<\/a> &middot; <a href=\"\/index.php\/products\/valves\/diaphragm-valves\/\">Diaphragm Valves<\/a> &middot; <a href=\"\/index.php\/products\/valves\/gauge-valves-manifolds\/\">Gauge Valves Manifolds<\/a> &middot; <a href=\"\/index.php\/products\/valves\/plug-valves\/\">Plug Valves<\/a> &middot; <a href=\"\/index.php\/products\/valves\/pressure-regulators\/\">Pressure Regulators<\/a> &middot; <a href=\"\/index.php\/products\/valves\/purge-bleed-valves\/\">Purge Bleed Valves<\/a> &middot; <a href=\"\/index.php\/products\/valves\/safety-relief-valves\/\">Safety Relief Valves<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently asked questions<\/h2>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Which documents come with the valves?<\/summary>\n<p class=\"wp-block-paragraph\">Each shipment can include mill material certificates, a dimensional inspection report, the nitrogen test record and the export packing list. Tell us at enquiry stage which certificate format your QA department requires and whether certificates must cite the heat numbers marked on the valves.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Should I order NPT or BSPT threads?<\/summary>\n<p class=\"wp-block-paragraph\">Both are available from 1\/8 in to 1 in. NPT suits North American and Middle East projects and uses the N code (4N is 1\/4 in NPT). BSPT, coded R (4R is 1\/4 in BSPT), suits equipment built to ISO or Japanese standards.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>What is the minimum order quantity?<\/summary>\n<p class=\"wp-block-paragraph\">For standard 316 stainless valves the usual minimum is 10 pieces per size, and series and sizes combine in one order. Alloy 400, alloy 600, alloy 20 and C-276 bodies are made to order at a higher minimum, so send the size list.<\/p>\n<\/details>\n<\/div>\n\n\n\n<div class=\"wp-block-group alignfull rlok-cta has-global-padding is-layout-constrained wp-container-core-group-is-layout-c4390f02 wp-block-group-is-layout-constrained\" style=\"border-radius:0px\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-b097105c wp-block-group-is-layout-constrained\" style=\"border-radius:0px\">\n<h2 class=\"wp-block-heading\">Request a quote or technical clarification<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Send us the model, size, material and quantity you need &mdash; or a photo of the existing part. We reply with a quotation, availability and the applicable documents, usually within one working day.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"mailto:nimo@runda-hitech.com\">Email nimo@runda-hitech.com<\/a><\/div>\n\n<div class=\"wp-block-button is-style-outline\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/wa.me\/8613657416007\">WhatsApp +86 136 5741 6007<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Tel \/ WhatsApp: +86 136 5741 6007 &middot; Email: nimo@runda-hitech.com<\/p>\n<\/div>\n<\/div>\n\n\n\n<style>img{max-width:100%;height:auto}.wp-block-table{max-width:100%}.rlok-bc{display:block;font-size:13px;letter-spacing:.01em;color:#5a6b7d;margin:0 0 26px}.rlok-bc a{color:#0b2545;text-decoration:none}.rlok-bc a:hover{color:#c8102e;text-decoration:underline}.rlok-bc strong{color:#0b2545}.rlok-fallback-nav{display:block;border-bottom:1px solid #dde3ea;padding-bottom:12px;margin:0 0 18px;font-size:14.5px;font-weight:600}.rlok-fallback-nav a{color:#0b2545;text-decoration:none}.rlok-fallback-nav a:hover{color:#c8102e;text-decoration:underline}@media (max-width:782px){.rlok-hero{min-height:330px!important;padding-left:18px!important;padding-right:18px!important}.rlok-hero h1{font-size:26px;line-height:1.22}.rlok-hero p{font-size:15.5px}.rlok-body{padding:30px 18px 12px!important}.rlok-cta{padding:38px 18px!important}.rlok-cta h2{font-size:22px}.rlok-bc{font-size:12.5px;margin-bottom:18px}.wp-block-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.wp-block-table table{min-width:520px;font-size:13px}.wp-block-table th,.wp-block-table td{padding:7px 9px}.wp-block-columns{gap:1.1rem;margin-bottom:1.3rem}.wp-block-button{width:100%}.wp-block-button__link{width:100%;text-align:center}h2.wp-block-heading{font-size:22px}h3.wp-block-heading{font-size:19px}.wp-block-details{padding:12px 14px}}<\/style><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"http:\/\/runda-hitech.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Products\", \"item\": \"http:\/\/runda-hitech.com\/products\/\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Instrumentation Valves\", \"item\": \"http:\/\/runda-hitech.com\/products\/valves\/\"}, {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"Needle Valves\", \"item\": \"http:\/\/runda-hitech.com\/products\/valves\/needle-valves\/\"}]}<\/script>\n\n\n<!-- VERIFY BEFORE PUBLISHING: Confirm the body material to publish. The structural material table on catalogue 6-03 lists the SINV body as F316 stainless steel to ASTM A182, but some product photography in the same section is marked 316L. State one grade, or state both with the ordering code for each. | Confirm the series prefix in the ordering tables on catalogue 6-10 and 6-17. Those option tables list series codes SINV1, SINV2, SINV1A, SINV2A and SINV3A while carrying the SBNV and SUNV orifice and end-connection data. The pages appear to reuse the SINV prefix, so the correct part-number prefix for SBNV and SUNV must be confirmed before any ordering examples are published. | Confirm the material certificate format offered (for example EN 10204 3.1 or 2.2) and whether the nitrogen test record is issued with every valve or only on request. | Confirm whether the 1.5 times working pressure hydrostatic shell test is carried out in house or subcontracted, and the extra lead time it adds. | Confirm the typical minimum order quantity and lead time for each body material before the FAQ figures are locked: 316 stainless, brass, alloy 400, alloy 20, alloy 600 and C-276. | Confirm that graphite packing is offered only on the SUNV union-bonnet series. The SINV and SBNV ordering tables on catalogue 6-05 and 6-10 list PTFE and PEEK only. | Confirm that the 6 mm to 9.5 mm panel thickness range shown on the SUNV drawing (catalogue 6-15) applies to the panel-mount bonnets of all three series. -->\n\n<!-- build: slug=needle-valves type=category keywords=needle valve supplier China, instrument needle valve 316 stainless steel, 6000 psi needle valve supplier, integral bonnet needle valve SINV, union bonnet needle valve graphite packing, angle needle valve 1\/4 NPT, panel mount needle valve for gauge board, alloy 400 Monel needle valve, C-276 needle valve supplier, needle valve 6mm tube ferrule, high temperature needle valve 1200F, BSPT needle valve export -->","protected":false},"excerpt":{"rendered":"<p>316 SS, brass, alloy 400 and C-276 needle valves: 2-11 mm orifice, Cv 0.09-2.2, up to 6,000 psi. Ferrule, NPT\/BSPT and weld ends. Request a quote.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":66,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-82","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/pages\/82","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/comments?post=82"}],"version-history":[{"count":11,"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/pages\/82\/revisions"}],"predecessor-version":[{"id":409,"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/pages\/82\/revisions\/409"}],"up":[{"embeddable":true,"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/pages\/66"}],"wp:attachment":[{"href":"https:\/\/runda-hitech.com\/index.php\/wp-json\/wp\/v2\/media?parent=82"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}