{"id":56,"date":"2016-10-11T14:17:55","date_gmt":"2016-10-11T12:17:55","guid":{"rendered":"http:\/\/www.cavitypump.com\/monowp\/?page_id=56"},"modified":"2026-08-04T16:14:36","modified_gmt":"2026-08-04T14:14:36","slug":"progressing-cavity-pumps-dn-jn-diamond-series","status":"publish","type":"page","link":"https:\/\/www.novarotors.it\/pumps\/products\/progressing-cavity-pumps-dn-jn-diamond-series\/","title":{"rendered":"Pumps DN-JN Diamond Series &#8211; NOVA ROTORS"},"content":{"rendered":"<div class=\"ast-oembed-container \" style=\"height: 100%;\"><iframe title=\"DN 20L1 stainless steel Body Casting\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/xc519z0qT68?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>&nbsp;<\/p>\n<h3><strong>PROGRESSING CAVITY PUMPS<\/strong><\/h3>\n<h3><strong>Flanged Industrial Series<\/strong><\/h3>\n<p>The DN and JN Diamond series is the best solution for the industrial sector in pumping a vast range of fluids. They are synonymous with strength, reliability, performance and application flexibility.<\/p>\n<p>Designed according to the most demanding standards, they comply with the requirements of <a href=\"https:\/\/www.novarotors.it\/pumps\/pumps-according-to-api-676\/\">standard API 676<\/a>.<\/p>\n<p>Suitable for pumping viscous and non-viscous products, with or without solids of any nature, they are an ideal solution for those seeking a standard product with advanced technology with unbeatable cost benefits in the current single screw pumps market.<\/p>\n<p>The DN and JN series are distinguished for the type of fitting of the pump to the drive<\/p>\n<p>&nbsp;<\/p>\n<p>DN series<\/p>\n<ul>\n<li>DN Series: the drive is coupled directly to the pump via a flange. This solution is extremely cost effective and compact, considerably reducing installation costs and simplifying maintenance. The forces generated by the hydraulic part are supported by the drive itself. Each drive used is adequately selected based on their specific technical parameters and are subject to numerous duration tests with heavy loads.<br \/>\nThe DN series is the reference point for almost all pumps installed in the industry.<\/li>\n<\/ul>\n<p>DN series<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-106\" src=\"http:\/\/www.novarotors.com\/wp-content\/uploads\/2016\/10\/DN-300x80.jpg\" alt=\"dn\" width=\"540\" height=\"144\" srcset=\"https:\/\/www.novarotors.it\/pumps\/wp-content\/uploads\/2016\/10\/DN-300x80.jpg 300w, https:\/\/www.novarotors.it\/pumps\/wp-content\/uploads\/2016\/10\/DN.jpg 640w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>JN Series: the drive is connected to the free bare shaft <span style=\"text-decoration: line-through;\">inlet <\/span>via a flexible coupling. This configuration is the best solution in terms of performance and durability. All the forces generated by the pump are absorbed by the bearings in the housing. These bearings have very high resistance against loads. They are assembled with extreme precision on the highest quality manufactured parts. It is the best solution when you want to guarantee duration and reliability, yet with greater installation space requirements. The bearing unit designed by us is modular and can be adapted to a DN series pump with lantern. It is state of the art for this type of installation.<\/li>\n<\/ul>\n<p><em>\u00a0<\/em><\/p>\n<p>JN series<\/p>\n<p><a href=\"http:\/\/www.novarotors.com\/wp-content\/uploads\/2016\/10\/JN.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone wp-image-120\" src=\"http:\/\/www.novarotors.com\/wp-content\/uploads\/2016\/10\/JN-300x72.jpg\" alt=\"jn\" width=\"612\" height=\"147\" srcset=\"https:\/\/www.novarotors.it\/pumps\/wp-content\/uploads\/2016\/10\/JN-300x72.jpg 300w, https:\/\/www.novarotors.it\/pumps\/wp-content\/uploads\/2016\/10\/JN.jpg 640w\" sizes=\"(max-width: 612px) 100vw, 612px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u00a0FN Series: The drive is connected directly to the pump via a flange of the modular bearing unit. This is the most versatile solution because it allows to use gearbox with flange and standard output shaft, the connection with hydraulic and pneumatic motors, by keeping the simplicity and the compactness of the classic coupling flange solution and at the same time it ensures total reversibility and higher performance of the bearing unit. This modular bearing unit can be applied on all the Diamond series pumps and it allows a quick maintenance of the drive. FN is synonym of modularity and reliability with any kind of drive.<\/li>\n<\/ul>\n<p>FN series<\/p>\n<p><em>\u00a0<\/em><a href=\"http:\/\/www.novarotors.com\/wp-content\/uploads\/2016\/10\/FN.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone wp-image-112\" src=\"http:\/\/www.novarotors.com\/wp-content\/uploads\/2016\/10\/FN-300x79.jpg\" alt=\"fn\" width=\"611\" height=\"161\" srcset=\"https:\/\/www.novarotors.it\/pumps\/wp-content\/uploads\/2016\/10\/FN-300x79.jpg 300w, https:\/\/www.novarotors.it\/pumps\/wp-content\/uploads\/2016\/10\/FN.jpg 640w\" sizes=\"(max-width: 611px) 100vw, 611px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>Typical applications<\/strong><\/em><\/p>\n<p>Sewage sludge<br \/>\nWater Treatment<br \/>\nIndustrial sludge<br \/>\nDetergents and product for chemical industry<br \/>\nProduct of papermaking industry<br \/>\nAgriculture<br \/>\nProduct derived from petro-chemical<br \/>\nMarine Industry<\/p>\n<p><strong>Operating range<\/strong><\/p>\n<p><strong><em>Flow<\/em><\/strong><\/p>\n<p>Up to110m\u00b3\/h<br \/>\nPressure<br \/>\nUp to 24 bar for the standard series (48bar for the series K8)<br \/>\nTemperature<br \/>\nfrom -40\u00b0C until to 150\u00b0C<\/p>\n<p>&nbsp;<\/p>\n<p><em><strong><a href=\"http:\/\/www.novarotors.com\/wp-content\/uploads\/2016\/10\/detailed-characteristics-DN-JN.gif\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-243 \" src=\"http:\/\/www.novarotors.com\/wp-content\/uploads\/2016\/10\/detailed-characteristics-DN-JN-1024x621.gif\" alt=\"detailed-characteristics-dn-jn\" width=\"825\" height=\"500\" srcset=\"https:\/\/www.novarotors.it\/pumps\/wp-content\/uploads\/2016\/10\/detailed-characteristics-DN-JN-1024x621.gif 1024w, https:\/\/www.novarotors.it\/pumps\/wp-content\/uploads\/2016\/10\/detailed-characteristics-DN-JN-300x182.gif 300w, https:\/\/www.novarotors.it\/pumps\/wp-content\/uploads\/2016\/10\/detailed-characteristics-DN-JN-768x466.gif 768w\" sizes=\"(max-width: 825px) 100vw, 825px\" \/><\/a><\/strong><\/em><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h5>Casing material<\/h5>\n<p><strong>Base materials:<\/strong><br \/>\nGG25, CF8 (AISI 304),CF8M (AISI 316), F55 (Super duplex)<br \/>\nCoating:<br \/>\nfluoropolymer ECTFE (Halar\u00ae)<\/p>\n<h5>Materials of the sealing shaft<\/h5>\n<p><strong>Base materials:<\/strong><br \/>\nAISI 420, AISI 304, AISI 316, F51(Duplex), F55 (Super Duplex)<br \/>\nCoatings:<br \/>\nHardened Chrome plated HCP<br \/>\nChrome oxide plasma (ceramic coating)<\/p>\n<h5>Rotor material<\/h5>\n<p><strong>Base materials:<\/strong><br \/>\nAISI 420, AISI 304, AISI 316, F51(Duplex), F55 (Super Duplex)<br \/>\nHeat treatments:<br \/>\nHardening induction (only on AISI 420)<br \/>\nCoatings:<br \/>\nHardened Chrome plated HCP<br \/>\nChrome oxide plasma (ceramic coating)<br \/>\nTungsten carbide HVOF<\/p>\n<h3>Stator material<\/h3>\n<p>NBR, food grade NBR, white NBR food grade<br \/>\nEPDM, EPDM food grade, white EPDM food grade<br \/>\nFPM, FPM food grade<br \/>\nHNBR, HNBR food grade<br \/>\nSYLICON<br \/>\nBuna-N ( available on select models on request)<br \/>\nHYPALON (available on select models on request)<br \/>\nPTFE (available on select models on request)<\/p>\n<h3>Base plates<\/h3>\n<p>standard Base<br \/>\nAPI 676 Base<br \/>\nBase with anti-vibration housing (feet spacer)<br \/>\nBase with risers<br \/>\nSkid with lifting devices<br \/>\nCart for industrial sector (trolley)<br \/>\nCart for food grade and winery sector<br \/>\n(For details, see the brochure constructive options, equipment and installations)<\/p>\n<p>&nbsp;<\/p>\n<h3>Connections<\/h3>\n<p>Flange UNI 2278 PN16 for pumps at 1 and 2 stage<br \/>\nFlange UNI 2284 or 6084 PN40 for inlet unions for pumps at 4 stage<br \/>\nFlange UNI 2285 PN64 for inlet unions for pumps at 8 stage<br \/>\nThreaded connection GAS BSP[\/su_spoiler]<\/p>\n<h3><\/h3>\n<h3>Sealing system<\/h3>\n<p>Gland packing seal B01<br \/>\nGland seal with flushing B02 (flush required)<br \/>\nSingle mechanical seal G0K9<br \/>\nSingle mechanical seal with Quench Q0K9 (buffer-Quench-pot required)<br \/>\nBack-to-back double mechanical seal D0K9 (pressurized flushing required)<br \/>\nTandem double mechanical seal K0K9 (buffer \/ flush required)<br \/>\nSingle or double cartridge seals also in API 682 version category 1+2<br \/>\nSeal supply systems are available also in accordance to API<br \/>\n(For construction details, see the brochure sealing systems and seals)<br \/>\n[\/su_spoiler]<br \/>\n[su_spoiler title=&#8221;Optional for coupling rod&#8221;]<br \/>\nJoint protection<br \/>\nCoupling rod with feed screw<br \/>\nAnti-settling impeller<br \/>\nBalanced hydraulic joint<br \/>\n(For details, see the brochure constructive options, equipment and installations )<\/p>\n<p>Protection devices<\/p>\n<p>Temperature probe for dry running protection (standard in the ATEX version)<br \/>\nFlow switch<br \/>\nPressure switch<br \/>\nFlanged overpressure valve<br \/>\nHygienic overpressure valve<\/p>\n<p>Control devices<\/p>\n<p>Control panel<br \/>\nControl panel with inverter<br \/>\nDrive with integrated inverter<\/p>\n<p>Equipment and optional<br \/>\nStator heating jacket<br \/>\nHeating jacket for body pump<br \/>\nStainless steel stator cover<br \/>\nIntegrated Bypass in the pump construction<br \/>\nIndustrial flanged Bypass or with threaded connection<br \/>\nTangential flanged connection or with threaded connection<br \/>\nGrinder<br \/>\nQuench Pot flushing<br \/>\nStainless Steel Lantern<br \/>\nHermetic lantern<br \/>\nCarter to protect the motorization<br \/>\n(For details, see the brochure constructive options, equipment and installations )<\/p>\n<p>Certifications<br \/>\nCE<br \/>\nATEX<br \/>\nAPI 676 third edition<\/p>\n<p>&nbsp;<\/p>\n<div><\/div>\n<h3>Related Pump Solutions:<\/h3>\n<div><\/div>\n<div><strong><a href=\"https:\/\/www.novarotors.com\/progressing-cavity-pumps\/\" target=\"_blank\" rel=\"noopener\">What is a progressive cavity pump<\/a><\/strong><\/div>\n<div><\/div>\n<div><strong><a href=\"https:\/\/www.novarotors.it\/pumps\/what-is-nace\/\" target=\"_blank\" rel=\"noopener\">What is NACE explaining video<\/a><\/strong><\/div>\n<div>\n<p class=\"entry-title \"><a href=\"https:\/\/www.novarotors.com\/progressive-cavity-pump-problems\/\" target=\"_blank\" rel=\"noopener\"><strong>Main Progressive cavity pump problems<\/strong><\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; PROGRESSING CAVITY PUMPS Flanged Industrial Series The DN and JN Diamond series is the best solution for the industrial [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":134,"parent":174,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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