{"id":1976,"date":"2025-07-21T03:00:49","date_gmt":"2025-07-21T03:00:49","guid":{"rendered":"https:\/\/solinerglobal.com\/?post_type=product&#038;p=1976"},"modified":"2026-01-05T00:57:27","modified_gmt":"2026-01-05T00:57:27","slug":"rfa-series-check-valve-magnetic-return-filter","status":"publish","type":"product","link":"https:\/\/solinerglobal.com\/it\/prodotto\/rfa-series-check-valve-magnetic-return-filter\/","title":{"rendered":"RFA Series Check Valve Magnetic Return Filter"},"content":{"rendered":"<p class=\"wp-block-paragraph\">In modern hydraulic systems, the return oil filter serves as a vital purification device, safeguarding the stable operation of the system with its superior performance. By utilizing high-precision filter media, it effectively removes solid particles, metal shavings, and dust from hydraulic oil, ensuring fluid cleanliness and thereby reducing wear on hydraulic components and extending equipment lifespan. Its low-pressure drop design maintains efficient fluid flow even under high-flow conditions, significantly reducing energy loss and enhancing overall system efficiency.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The return oil filter also boasts excellent high-pressure resistance and corrosion resistance, enabling stable operation in complex industrial environments and withstanding harsh conditions such as high temperatures, high pressures, and chemical corrosion. Its compact structure and flexible installation options allow it to be easily integrated into various hydraulic systems without occupying excessive space. Additionally, equipped with a filter element blockage indicator and a bypass valve, it not only alerts users to replace the filter element in time but also automatically opens the bypass when the filter element is clogged, ensuring normal system operation and further enhancing equipment reliability and maintenance convenience.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thanks to its high efficiency, energy-saving, and durability, the return oil filter is widely applied in fields such as construction machinery, metallurgy, petrochemicals, and mechanical processing, becoming a core component to ensure the efficient and stable operation of hydraulic systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"features\">Features<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Contamination Indicator<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Visual or electrical contamination indicator can be installed on filter to observe the contamination of element.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>By-pass Function<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By-pass&nbsp;valve&nbsp;will&nbsp;crack&nbsp;to&nbsp;protect&nbsp;the&nbsp;normal&nbsp;operation&nbsp;of&nbsp;element&nbsp;and&nbsp;system when pressure drop reaches to the set value.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Diffuser<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The diffuser can diffuse the direction of return oil under large flow, thus making it not easy to produce bubbles and reducing the occurrence of turbulent flow.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/a3-static.micyjz.com\/cloud\/lmBprKqolpSRjlnkorplkq\/ziyuan-73x.png\" alt=\"\u8d44\u6e90 73x\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"specifications\">Specifications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Type of Construction: Tank Top Mounted<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Max Pressure: 1.6MPa<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Flow Range: 25~1000L\/min<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Connection: Flange\/Thread<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Operating Temp: -40\u2103~+120\u2103<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Filter&nbsp;Media: Glass Fiber<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Filtration Accuracy: 3~30\u03bcm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For Visual and Electrical Indicator Use<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By-pass Valve Cracking Pressure: 0.4MPa<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bowl Housing: Aluminum Alloy<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sealing Material: NBR<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fluid Compatibility: Suitable for mineral Oil, Synthetic Oil<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Please contact our sales staff if there is any additional media you need.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mounting-and-model-instruction\">Mounting and Model Instruction<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/a3-static.micyjz.com\/cloud\/lkBprKqolpSRjlnkkripkq\/ziyuan-83x.png\" alt=\"\u8d44\u6e90 83x\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/a3-static.micyjz.com\/cloud\/llBprKqolpSRjlnknrojkq\/ziyuan-93x.png\" alt=\"\u8d44\u6e90 93x\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"technical-parameter\">Technical Parameter<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"669\" src=\"https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-15-1024x669.png\" alt=\"\" class=\"wp-image-2887\" srcset=\"https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-15-1024x669.png 1024w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-15-800x523.png 800w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-15-500x327.png 500w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-15-300x196.png 300w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-15-768x502.png 768w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-15-18x12.png 18w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-15.png 1379w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"element-pressure-drop-against-flow-curves\">Element Pressure Drop against Flow Curves<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"767\" height=\"373\" src=\"https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-16.png\" alt=\"\" class=\"wp-image-2888\" srcset=\"https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-16.png 767w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-16-500x243.png 500w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-16-300x146.png 300w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-16-18x9.png 18w\" sizes=\"auto, (max-width: 767px) 100vw, 767px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mounting-diemension\">Mounting&nbsp;Diemension<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"998\" height=\"1024\" src=\"https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-17-998x1024.png\" alt=\"\" class=\"wp-image-2889\" srcset=\"https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-17-998x1024.png 998w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-17-800x821.png 800w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-17-500x513.png 500w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-17-292x300.png 292w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-17-768x788.png 768w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-17-12x12.png 12w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-17.png 1379w\" sizes=\"auto, (max-width: 998px) 100vw, 998px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"848\" height=\"1024\" src=\"https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-18-848x1024.png\" alt=\"\" class=\"wp-image-2891\" srcset=\"https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-18-848x1024.png 848w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-18-800x966.png 800w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-18-500x604.png 500w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-18-248x300.png 248w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-18-768x928.png 768w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-18-1271x1536.png 1271w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-18-10x12.png 10w, https:\/\/solinerglobal.com\/wp-content\/uploads\/2025\/07\/image-18.png 1379w\" sizes=\"auto, (max-width: 848px) 100vw, 848px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>The return oil filter is a key purification device. It uses high-precision filter media to effectively remove impurities from hydraulic oil, reducing component wear and extending equipment life. With its low-pressure drop design, it maintains efficient fluid flow even at high flow rates, reducing energy loss and enhancing system efficiency. The return oil filter is also high-pressure resistant and corrosion-resistant, making it adaptable to complex working conditions. It features a compact structure and flexible installation options, and is equipped with a filter element blockage indicator and a bypass valve, which enhance equipment reliability and maintenance convenience. Thanks to its high efficiency, energy-saving, and durability, the return oil filter is widely used in fields such as construction machinery, metallurgy, and petrochemicals, and is a core component for ensuring the stable operation of hydraulic systems.<\/p>","protected":false},"featured_media":2791,"template":"","meta":{"_acf_changed":false,"_gspb_post_css":""},"product_brand":[],"product_cat":[82],"product_tag":[],"class_list":["post-1976","product","type-product","status-publish","has-post-thumbnail","product_cat-return-filter","first","instock","shipping-taxable","product-type-simple"],"acf":[],"ct_brands":[],"_links":{"self":[{"href":"https:\/\/solinerglobal.com\/it\/wp-json\/wp\/v2\/product\/1976","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solinerglobal.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/solinerglobal.com\/it\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/solinerglobal.com\/it\/wp-json\/wp\/v2\/media\/2791"}],"wp:attachment":[{"href":"https:\/\/solinerglobal.com\/it\/wp-json\/wp\/v2\/media?parent=1976"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/solinerglobal.com\/it\/wp-json\/wp\/v2\/product_brand?post=1976"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/solinerglobal.com\/it\/wp-json\/wp\/v2\/product_cat?post=1976"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/solinerglobal.com\/it\/wp-json\/wp\/v2\/product_tag?post=1976"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}