{"id":356,"date":"2026-06-14T11:28:43","date_gmt":"2026-06-14T11:28:43","guid":{"rendered":"https:\/\/redfire.co.in\/?post_type=product&p=356"},"modified":"2026-06-29T06:55:35","modified_gmt":"2026-06-29T06:55:35","slug":"dp-nrv-valve","status":"publish","type":"product","link":"https:\/\/redfire.co.in\/?product=dp-nrv-valve","title":{"rendered":"DP NRV Valve"},"content":{"rendered":"

Kartar Dual Plate Check Valve (Non-Return Valve)<\/span><\/h1>\n
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Overview<\/span><\/h2>\n

The\u00a0<\/span>Kartar Dual Plate Check Valve (NRV)<\/span><\/strong>\u00a0is a robust, high-performance non-return valve engineered for reliable one-way flow control in water, fire-fighting, and industrial applications. Manufactured by\u00a0<\/span>Kartar Valves Pvt. Ltd.<\/span><\/strong>\u00a0\u2014 a trusted Indian valve manufacturer with a reputation for quality and cost-effectiveness \u2014 this check valve is specifically designed for installation in pump discharge lines, fire protection systems, and water supply pipelines to prevent backflow and protect equipment from damage.<\/span><\/p>\n

Also known as a\u00a0<\/span>Non-Return Valve (NRV)<\/span><\/strong>\u00a0, the dual plate check valve operates automatically, opening with forward flow and closing rapidly under reverse flow to prevent water hammer and system damage. Its wafer-type, slimline construction allows for easy installation between standard flanges, while the dual spring-loaded plates ensure tight shut-off even at low differential pressures\u00a0<\/span>.<\/span><\/p>\n

Whether you’re equipping a municipal water supply system, a fire hydrant network, a pumping station, or an industrial process line, the Kartar Dual Plate Check Valve delivers the reliability, durability, and performance you need for efficient flow control.<\/span><\/p>\n

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Key Features<\/span><\/h2>\n
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Feature<\/span><\/th>\nDescription<\/span><\/th>\n<\/tr>\n<\/thead>\n
Dual Plate Design<\/span><\/strong><\/td>\nTwo spring-loaded plates provide fast, efficient closing action to prevent backflow and minimize water hammer\u00a0<\/span><\/td>\n<\/tr>\n
Wafer Type Construction<\/span><\/strong><\/td>\nCompact, lightweight design enables easy installation between standard flanges without special pipe supports\u00a0<\/span><\/td>\n<\/tr>\n
Low Head Loss<\/span><\/strong><\/td>\nSlimline design and streamlined flow path ensure minimum pressure drop and reduced pump energy consumption\u00a0<\/span><\/td>\n<\/tr>\n
Automatic Operation<\/span><\/strong><\/td>\nValve opens with forward flow and closes automatically if flow reverses \u2014 no external power or manual intervention required\u00a0<\/span><\/td>\n<\/tr>\n
Multiple Material Options<\/span><\/strong><\/td>\nBody available in\u00a0<\/span>Cast Iron<\/span><\/strong>\u00a0(standard),\u00a0<\/span>Ductile Iron<\/span><\/strong>, or\u00a0<\/span>Cast Steel<\/span><\/strong>\u00a0to suit various application requirements\u00a0<\/span><\/td>\n<\/tr>\n
Disc Material Options<\/span><\/strong><\/td>\nAvailable with\u00a0<\/span>Stainless Steel<\/span><\/strong>\u00a0or\u00a0<\/span>Bronze<\/span><\/strong>\u00a0discs for superior corrosion resistance and long service life\u00a0<\/span><\/td>\n<\/tr>\n
Seat Material Options<\/span><\/strong><\/td>\nAvailable with\u00a0<\/span>Nitrile<\/span><\/strong>,\u00a0<\/span>EPDM<\/span><\/strong>, or\u00a0<\/span>Buna N<\/span><\/strong>\u00a0rubber seating for leak-tight shut-off\u00a0<\/span><\/td>\n<\/tr>\n
Integrally Moulded Rubber Seating<\/span><\/strong><\/td>\nProvides positive shut-off and extended service life by preventing seat contact with flowing media\u00a0<\/span><\/td>\n<\/tr>\n
Epoxy Coating<\/span><\/strong><\/td>\nFusion-bonded epoxy coating provides excellent corrosion resistance and a durable finish\u00a0<\/span><\/td>\n<\/tr>\n
Wide Pressure & Temperature Range<\/span><\/strong><\/td>\nRated up to PN16 (16 Bar) with operating temperature up to 180\u00b0C\u00a0<\/span><\/td>\n<\/tr>\n
Fast-Acting Closure<\/span><\/strong><\/td>\nQuick-closing action maximizes protection against backflow and its adverse effects\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Available Models<\/span><\/h2>\n
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Model<\/span><\/th>\nDescription<\/span><\/th>\n<\/tr>\n<\/thead>\n
K-711 Dual Plate Check Valve<\/span><\/strong><\/td>\nCast iron body wafer check valve with stainless steel springs; PN10 rated; suitable for water and general applications\u00a0<\/span><\/td>\n<\/tr>\n
K-712 Dual Plate Check Valve<\/span><\/strong><\/td>\nCast steel \/ ductile iron body variant for higher strength and demanding applications\u00a0<\/span><\/td>\n<\/tr>\n
Kartar Single Plate Check Valve<\/span><\/strong><\/td>\nSingle disc design with EPDM seat; wafer type; epoxy coated; suitable for water applications\u00a0<\/span><\/td>\n<\/tr>\n
Kartar Wafer Check Valve<\/span><\/strong><\/td>\nStandard wafer type check valve with integrally moulded rubber seating; PN16 rated; test pressure body 2.4 MPa, seat 1.6 MPa\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Technical Specifications<\/span><\/h2>\n
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Parameter<\/span><\/th>\nSpecification<\/span><\/th>\n<\/tr>\n<\/thead>\n
Brand<\/span><\/strong><\/td>\nKartar<\/span><\/td>\n<\/tr>\n
Type<\/span><\/strong><\/td>\nDual Plate Check Valve \/ Non-Return Valve<\/span><\/td>\n<\/tr>\n
Body Material<\/span><\/strong><\/td>\nCast Iron (Standard) \/ Ductile Iron \/ Cast Steel\u00a0<\/span><\/td>\n<\/tr>\n
Disc Material<\/span><\/strong><\/td>\nStainless Steel \/ Bronze\u00a0<\/span><\/td>\n<\/tr>\n
Seat Material<\/span><\/strong><\/td>\nNitrile \/ EPDM \/ Buna N\u00a0<\/span><\/td>\n<\/tr>\n
Spring Material<\/span><\/strong><\/td>\nStainless Steel \/ Inconel\u00a0<\/span><\/td>\n<\/tr>\n
Hinge Pin Material<\/span><\/strong><\/td>\nStainless Steel\u00a0<\/span><\/td>\n<\/tr>\n
End Connection<\/span><\/strong><\/td>\nWafer Type (between flanges)\u00a0<\/span><\/td>\n<\/tr>\n
Pressure Rating<\/span><\/strong><\/td>\nPN10 \/ PN16 (10 Bar to 16 Bar)\u00a0<\/span><\/td>\n<\/tr>\n
Temperature Range<\/span><\/strong><\/td>\n-10\u00b0C to +180\u00b0C (depending on seat material)\u00a0<\/span><\/td>\n<\/tr>\n
Hydrostatic Test Pressure (Body)<\/span><\/strong><\/td>\n1.5 MPa to 2.4 MPa\u00a0<\/span><\/td>\n<\/tr>\n
Hydrostatic Test Pressure (Seat)<\/span><\/strong><\/td>\n1.0 MPa to 1.6 MPa\u00a0<\/span><\/td>\n<\/tr>\n
Finish<\/span><\/strong><\/td>\nEpoxy Coating\u00a0<\/span><\/td>\n<\/tr>\n
Suitable Media<\/span><\/strong><\/td>\nWater, Air, Oil, Gas, Steam\u00a0<\/span><\/td>\n<\/tr>\n
Design Standard<\/span><\/strong><\/td>\nInternational Standards\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Why Choose Kartar Dual Plate Check Valve?<\/span><\/h2>\n
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  • \n

    Trusted Indian Manufacturer<\/span><\/strong>\u00a0\u2014 Kartar Valves Pvt. Ltd. has been a prominent valve manufacturer in India since 1982, known for quality and cost-effectiveness\u00a0<\/span><\/p>\n<\/li>\n

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    Cost-Effective Solution<\/span><\/strong>\u00a0\u2014 Kartar valves are recognized as an affordable and reliable choice for water and fire protection applications\u00a0<\/span><\/p>\n<\/li>\n

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    Superior Material Quality<\/span><\/strong>\u00a0\u2014 Constructed from high-quality Cast Iron, Ductile Iron, and Cast Steel with stainless steel internals for excellent corrosion resistance and long service life\u00a0<\/span><\/p>\n<\/li>\n

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    Low Pressure Drop<\/span><\/strong>\u00a0\u2014 Wafer-type sleek design and large orifice ensure minimum head loss, saving energy and reducing pump operating costs\u00a0<\/span><\/p>\n<\/li>\n

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    Fast-Acting Closure<\/span><\/strong>\u00a0\u2014 Spring-loaded dual plates provide rapid, automatic closing to prevent backflow and protect pumps from damage\u00a0<\/span><\/p>\n<\/li>\n

  • \n

    Easy Installation<\/span><\/strong>\u00a0\u2014 Compact wafer design allows installation between standard flanges in horizontal or vertical pipelines without special pipe supports\u00a0<\/span><\/p>\n<\/li>\n

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    Versatile Applications<\/span><\/strong>\u00a0\u2014 Suitable for water supply, fire protection, pumping stations, industrial processes, and general utility pipelines\u00a0<\/span><\/p>\n<\/li>\n

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    Leak-Tight Sealing<\/span><\/strong>\u00a0\u2014 Integrally moulded rubber seating and eccentric disc shaft connection ensure positive shut-off of returning media\u00a0<\/span><\/p>\n<\/li>\n

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    Widely Accepted<\/span><\/strong>\u00a0\u2014 Kartar valves are extensively used across India in municipal water supply, fire pipelines, and industrial applications\u00a0<\/span><\/p>\n<\/li>\n

  • \n

    Made in India<\/span><\/strong>\u00a0\u2014 Proudly manufactured in India to the highest quality standards<\/span><\/p>\n<\/li>\n<\/ul>\n

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    Ideal Applications<\/span><\/h2>\n
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    • \n

      Fire Protection Systems<\/span><\/strong>\u00a0\u2014 Fire hydrant networks, sprinkler systems, and fire pump discharge lines<\/span><\/p>\n<\/li>\n

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      Water Supply & Distribution<\/span><\/strong>\u00a0\u2014 Municipal water pipelines, pumping stations, and water treatment plants<\/span><\/p>\n<\/li>\n

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      Pump Discharge Lines<\/span><\/strong>\u00a0\u2014 Prevent backflow and protect pumps from reverse rotation<\/span><\/p>\n<\/li>\n

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      Industrial Process Lines<\/span><\/strong>\u00a0\u2014 Chemical processing, power generation, and general industrial utility<\/span><\/p>\n<\/li>\n

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      HVAC Systems<\/span><\/strong>\u00a0\u2014 Heating, ventilation, and air conditioning applications<\/span><\/p>\n<\/li>\n

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      Irrigation Systems<\/span><\/strong>\u00a0\u2014 Agricultural water supply and sprinkler networks<\/span><\/p>\n<\/li>\n

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      Oil & Gas<\/span><\/strong>\u00a0\u2014 Oil, gas, and petrochemical pipelines (with appropriate material selection)<\/span><\/p>\n<\/li>\n

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      Plumbing Systems<\/span><\/strong>\u00a0\u2014 Commercial and residential plumbing installations<\/span><\/p>\n<\/li>\n<\/ul>\n

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      Compliance & Standards<\/span><\/h2>\n
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      <\/div>\n
      <\/div>\n<\/div>\n\n\n\n\n\n\n\n\n
      Standard<\/span><\/th>\nDescription<\/span><\/th>\n<\/tr>\n<\/thead>\n
      International Standards<\/span><\/strong><\/td>\nManufactured in strict conformity to international valve standards\u00a0<\/span><\/td>\n<\/tr>\n
      PN10 \/ PN16<\/span><\/strong><\/td>\nPressure rating standards<\/span><\/td>\n<\/tr>\n
      Hydrostatic Testing<\/span><\/strong><\/td>\nBody and seat tested as per standard valve testing procedures\u00a0<\/span><\/td>\n<\/tr>\n
      Epoxy Coating<\/span><\/strong><\/td>\nFusion-bonded epoxy coating for corrosion protection\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
      \n

      For detailed product inquiries, technical specifications, bulk order pricing, or to place an order, please contact our sales team.<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

      The\u00a0<\/span>Kartar Dual Plate Check Valve (NRV)<\/span><\/strong>\u00a0is a robust, high-performance non-return valve engineered for reliable one-way flow control in water, fire-fighting, and industrial applications. Manufactured by\u00a0<\/span>Kartar Valves Pvt. Ltd.<\/span><\/strong>\u00a0\u2014 a trusted Indian valve manufacturer with a reputation for quality and cost-effectiveness \u2014 this check valve is specifically designed for installation in pump discharge lines, fire protection systems, and water supply pipelines to prevent backflow and protect equipment from damage.<\/span><\/p>\n","protected":false},"featured_media":424,"comment_status":"open","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[22],"product_cat":[15],"product_tag":[],"class_list":["post-356","product","type-product","status-publish","has-post-thumbnail","product_brand-kartar","product_cat-uncategorized","first","instock","shipping-taxable","purchasable","product-type-simple"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t