{"id":5132,"date":"2025-07-26T02:50:54","date_gmt":"2025-07-25T23:20:54","guid":{"rendered":"https:\/\/novincsm.com\/?post_type=product&p=5132"},"modified":"2026-02-24T10:41:52","modified_gmt":"2026-02-24T07:11:52","slug":"o-ring","status":"publish","type":"product","link":"https:\/\/novincsm.com\/en\/product\/o-ring\/","title":{"rendered":"O-ring"},"content":{"rendered":"\t\t
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Applications of Hydrocone O-Rings<\/h2>

Primary Function:<\/strong>
Sealing dust and oil in Hydrocone crushers to prevent contamination and leakage; maintaining hydraulic pressure in H4000 \/ H4800 models.<\/p>

Industries:<\/strong><\/p>

  • Mining operations in Kenya (granite crushing)<\/p><\/li>

  • Cement plants (Nairobi<\/span><\/span> \/ Mombasa<\/span><\/span>)<\/p><\/li>

  • Construction industry (manufactured sand production)<\/p><\/li><\/ul>

    Types:<\/strong><\/p>

    • Dust Seal:<\/strong> External, made of NBR<\/p><\/li>

    • Oil Seal:<\/strong> Internal, made of Viton for high-temperature operation<\/p><\/li><\/ul>

      Advantages of Hydrocone O-Rings<\/h2>

      • Complete sealing performance<\/strong> (zero leakage up to 10 bar), increasing crusher service life by 20\u201330%<\/strong> through reduced dust ingress<\/p><\/li>

      • Cost-effective solution<\/strong> (approx. 200,000 IRR compared to OEM parts at 500,000+ IRR)<\/p><\/li>

      • Compatible with Novincsm \/ Delta \/ Sandvik<\/span><\/span><\/strong> crusher models commonly used in the Kenyan market<\/p><\/li>

      • Easy installation<\/strong> (press-fit design, replacement in ~10 minutes)<\/p><\/li>

      • Low compression set, ensuring long-term and stable sealing performance<\/p><\/li><\/ul>

        Disadvantages of Hydrocone O-Rings<\/h2>

        • NBR temperature limitation up to 120 \u00b0C<\/strong>
          (For high-temperature mining environments in Kenya, Viton is recommended)<\/p><\/li>

        • Sensitive to certain chemicals
          (avoid aggressive petroleum-based oils)<\/p><\/li>

        • Custom sizes<\/strong> may require 2\u20134 weeks lead time<\/strong> for shipment from Iran to Mombasa<\/p><\/li><\/ul>

          Installation and Maintenance Guidelines for Hydrocone O-Rings<\/h2>

          Installation:<\/strong><\/p>

          • Clean the groove thoroughly<\/p><\/li>

          • Lubricate with silicone oil<\/p><\/li>

          • Install by press-fitting only (do not twist)<\/p><\/li>

          • Apply torque according to manufacturer guidelines<\/p><\/li><\/ul>

            Maintenance:<\/strong><\/p>

            • Inspect every 3 months for cracking or swelling<\/p><\/li>

            • Replace if permanent compression exceeds 25%<\/p><\/li>

            • Store in a dry, cool environment (5\u201330 \u00b0C)<\/p><\/li><\/ul>

              Transportation:<\/strong><\/p>

              • Pack in anti-static protective bags<\/p><\/li>

              • Available through Nairobi-based importers (e.g., East African Machinery<\/span><\/span>)<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                Specification<\/strong><\/th>\nDescription<\/strong><\/th>\n<\/tr>\n<\/thead>\n
                Product Name<\/strong><\/td>\nHydrocone O-Ring (dust\/oil sealing ring), equivalent to Part No. 873.0892-00, manufactured by Novincsm<\/strong> (compatible with Delta \/ Sandvik crushers)<\/td>\n<\/tr>\n
                Material & Composition<\/strong><\/td>\nNitrile Rubber (NBR, hardness 70\u201390 Shore A) or Viton (FKM for high-temperature applications); oil-resistant compound with carbon black filler; typical durometer 70\u201380<\/td>\n<\/tr>\n
                Hardness<\/strong><\/td>\n70\u201390 Shore A (standard NBR); Viton: 75\u201385 Shore A for thermal resistance<\/td>\n<\/tr>\n
                Operating Temperature<\/strong><\/td>\n\u221230 to +120 \u00b0C (NBR); up to +200 \u00b0C (Viton); continuous operation: \u221220 to +100 \u00b0C<\/td>\n<\/tr>\n
                Dimensions<\/strong><\/td>\nInner Diameter: 300\u2013500 mm (for 36-inch Hydrocone); Outer Diameter: 320\u2013520 mm; Thickness: 10\u201320 mm; Cross-section: 5\u201310 mm<\/td>\n<\/tr>\n
                Approx. Weight<\/strong><\/td>\n0.5\u20132 kg per ring (size-dependent); NBR density approx. 1.2 g\/cm\u00b3<\/td>\n<\/tr>\n
                Tensile Strength<\/strong><\/td>\n10\u201315 MPa (NBR); elongation at break: 300\u2013500%<\/td>\n<\/tr>\n
                Compression Set<\/strong><\/td>\n<25% at 70 \u00b0C (22 hours); low permanent deformation for long-term sealing integrity<\/td>\n<\/tr>\n
                Color & Finish<\/strong><\/td>\nBlack (standard NBR), smooth surface; optional green (Viton)<\/td>\n<\/tr>\n
                Application Method<\/strong><\/td>\nPress-fit installation into Hydrocone frame; silicone oil lubrication recommended during installation<\/td>\n<\/tr>\n
                Surface & Tolerances<\/strong><\/td>\nSurface roughness: Ra 1.6\u20133.2 \u00b5m; dimensional tolerance: \u00b10.1 mm (ID\/OD); rated pressure: up to 10 bar<\/td>\n<\/tr>\n
                Abrasion Resistance<\/strong><\/td>\nGood (NBR: Taber abrasion loss <150 mg); suitable for dust sealing in mining environments<\/td>\n<\/tr>\n
                Thermal Resistance<\/strong><\/td>\nExcellent up to 120 \u00b0C (NBR); optional flame-resistant grade available (UL 94 V-0)<\/td>\n<\/tr>\n
                Manufacturing Process<\/strong><\/td>\nCompression or injection molding; oil-resistant formulation; custom sizes available<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1072],"product_tag":[],"class_list":["post-5132","product","type-product","status-publish","product_cat-hydrocon-parts","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product\/5132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/comments?post=5132"}],"version-history":[{"count":10,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product\/5132\/revisions"}],"predecessor-version":[{"id":8792,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product\/5132\/revisions\/8792"}],"wp:attachment":[{"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/media?parent=5132"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product_brand?post=5132"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product_cat?post=5132"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/novincsm.com\/en\/wp-json\/wp\/v2\/product_tag?post=5132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}