{"product_id":"gestra-rk86a-wafer-check-valve-2-1-2-ci300-dn65-pn40","title":"Gestra RK 86A Wafer Check Valve  - PN40 - DN65","description":"\u003cdiv dir=\"ltr\" aria-live=\"polite\" aria-busy=\"false\" id=\"model-response-message-contentr_6c1559e21f2e9bb1\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003cdiv data-ved=\"0CAAQhtANahcKEwig2N2Tg-OVAxUAAAAAHQAAAAAQbQ\" data-hveid=\"0\" class=\"code-block ng-tns-c3573016046-77 ng-animate-disabled ng-trigger ng-trigger-codeBlockRevealAnimation\"\u003e\n\u003c!----\u003e\n\u003cdiv class=\"formatted-code-block-internal-container ng-tns-c3573016046-77\"\u003e\n\u003cdiv class=\"animated-opacity ng-tns-c3573016046-77\"\u003e\n\u003c!----\u003e\n\u003cpre class=\"ng-tns-c3573016046-77\"\u003e- \u003ccode class=\"code-container formatted ng-tns-c3573016046-77\" data-test-id=\"code-content\" role=\"text\"\u003eBrand: Gestra (Flowserve)\n- Model: RK 86A Series (Disdisco \/ Wafer Pattern Non-Return Check Valve)\n- Type: Spring-Loaded Wafer Check Valve\n- Part Number \/ Size Spec: RK 86A - 2 1\/2\" - DN 65 - PN 40\nTechnical Specs: \n- Core Application: Prevention of backflow in steam, condensate, hot water, gas, and non-aggressive fluid systems. \n- Nominal Size: DN 65 (2.5 inches)\n- Nominal Pressure Rating: PN 40 \/ Class 300 \n- Valve Pattern: Compact wafer design with short overall face-to-face dimensions conforming to EN 558-1, Series 49\n- Sealing Mechanism: Metal-to-metal precision-ground valve disk and seat interface \n- Maximum Operational Pressure: Up to 40 bar at ambient conditions\n- Operational Temperature Bounds: -200°C to +550°C for all-metal design\n- Standard Opening Pressure (Cracking Pressure): \n  - Vertical upward flow: approx. 20 mbar \n  - Horizontal flow: approx. 10 mbar \n  - Vertical downward flow: approx. 5 mbar \n- Valve Body Material: Austenitic Stainless Steel 1.4408 (CF8M)\n- Disc \u0026amp; Internal Components Material: Stainless Steel 1.4571 (AISI 316Ti) \/ 1.4404\n- Closing Spring Material: Heavy-duty Stainless Steel 1.4571 (AISI 316Ti)\n- Process Connection: Sandwich-type installation clamped between pipe flanges (EN 1092-1 \/ ASME B16.5)\n- Centering \/ Alignment: Integrated centering ring guide body for exact coaxial alignment inside flange bolt circles\n- Enclosure \/ Pressure Integrity: PED 2014\/68\/EU compliant, CE marked, and tested conforming to EN 12266-1\n\u003cbr\u003eWeight: 2.5 kg \n\u003cbr\u003eDimensions: 135 diam. x 45 mm\n\u003cbr\u003eCountry of Origin: Germany\n\u003cbr\u003eHS Code: 8481.30.91\n\u003c\/code\u003e\u003c\/pre\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e","brand":"Flowserve \/ GESTRA","offers":[{"title":"Kasutamata","offer_id":54387466371409,"sku":"BD-01-05-01-6152430184196","price":295.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/1123\/1902\/files\/Gestra-RK-86A-Wafer-Check-Valve-PN40-DN65-Wafer-Check-Valve-BD-01-05-01-6152430184196-Used-Industrial-Parts.jpg?v=1786298235","url":"https:\/\/usedindustrialparts.com\/et\/products\/gestra-rk86a-wafer-check-valve-2-1-2-ci300-dn65-pn40","provider":"Used Industrial Parts","version":"1.0","type":"link"}