{"product_id":"fisher-6358-pilot-relief-valve-controller-6358-1k748527202","title":"FISHER 6358 Pilot Relief Valve Controller (Configured Unit 6358-1K748527202-6358)","description":"\u003cp data-start=\"451\" data-end=\"712\"\u003eThe \u003cstrong data-start=\"455\" data-end=\"487\"\u003eFISHER 6358 pilot controller\u003c\/strong\u003e is a high-performance pressure control device used in \u003cstrong data-start=\"542\" data-end=\"602\"\u003epilot-operated relief valves and backpressure regulators\u003c\/strong\u003e. Designed for precise pressure regulation, it provides stable and reliable control in gas and liquid systems.\u003c\/p\u003e\n\u003cp data-start=\"714\" data-end=\"1008\"\u003eThis configured unit (\u003cstrong data-start=\"736\" data-end=\"761\"\u003e6358-1K748527202-6358\u003c\/strong\u003e) is part of the \u003cstrong data-start=\"778\" data-end=\"800\"\u003eFisher 6358 Series\u003c\/strong\u003e, commonly installed on main valves such as EZR, 289P, and 1808 systems. It ensures accurate response to pressure changes, helping protect equipment from overpressure and maintain consistent system operation.\u003c\/p\u003e\n\u003ch1 data-section-id=\"npfc0c\" data-start=\"1212\" data-end=\"1231\"\u003eKey Features\u003c\/h1\u003e\n\u003cul data-start=\"1232\" data-end=\"1792\"\u003e\n\u003cli data-section-id=\"kohulz\" data-start=\"1232\" data-end=\"1305\"\u003e\n\u003cstrong data-start=\"1234\" data-end=\"1262\"\u003ePrecise pressure control\u003c\/strong\u003e for relief and backpressure applications\u003c\/li\u003e\n\u003cli data-section-id=\"upgdr7\" data-start=\"1306\" data-end=\"1382\"\u003e\n\u003cstrong data-start=\"1308\" data-end=\"1333\"\u003ePilot-operated design\u003c\/strong\u003e – improves system stability and responsiveness\u003c\/li\u003e\n\u003cli data-section-id=\"1foojr5\" data-start=\"1383\" data-end=\"1457\"\u003e\n\u003cstrong data-start=\"1385\" data-end=\"1412\"\u003eAdjustable set pressure\u003c\/strong\u003e – configurable to application requirements\u003c\/li\u003e\n\u003cli data-section-id=\"6ebeh6\" data-start=\"1458\" data-end=\"1528\"\u003e\n\u003cstrong data-start=\"1460\" data-end=\"1483\"\u003eLow bleed operation\u003c\/strong\u003e – reduces gas loss in backpressure systems\u003c\/li\u003e\n\u003cli data-section-id=\"6twgqv\" data-start=\"1529\" data-end=\"1637\"\u003e\n\u003cstrong data-start=\"1531\" data-end=\"1573\"\u003eCompatible with multiple Fisher valves\u003c\/strong\u003e (EZR, 1808, 289P, etc.) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jsx3m8\" data-start=\"1638\" data-end=\"1719\"\u003e\n\u003cstrong data-start=\"1640\" data-end=\"1679\"\u003eSuitable for gas and liquid service\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ctyh2p\" data-start=\"1720\" data-end=\"1792\"\u003e\n\u003cstrong data-start=\"1722\" data-end=\"1757\"\u003eDurable industrial construction\u003c\/strong\u003e – reliable in harsh environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"yhj60t\" data-start=\"2021\" data-end=\"2049\"\u003ePressure \u0026amp; Performance\u003c\/h3\u003e\n\u003cul data-start=\"2050\" data-end=\"2382\"\u003e\n\u003cli data-section-id=\"cd85c7\" data-start=\"2050\" data-end=\"2158\"\u003e\n\u003cstrong data-start=\"2052\" data-end=\"2075\"\u003eSet Pressure Range:\u003c\/strong\u003e\n\u003cul data-start=\"2080\" data-end=\"2158\"\u003e\n\u003cli data-section-id=\"1owen42\" data-start=\"2080\" data-end=\"2158\"\u003e\n\u003cstrong data-start=\"2082\" data-end=\"2118\"\u003e3 to 125 psig (0.21 to 8.62 bar)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1c03x39\" data-start=\"2159\" data-end=\"2238\"\u003e\n\u003cstrong data-start=\"2161\" data-end=\"2174\"\u003eFunction:\u003c\/strong\u003e\n\u003cul data-start=\"2179\" data-end=\"2238\"\u003e\n\u003cli data-section-id=\"1amzinu\" data-start=\"2179\" data-end=\"2238\"\u003eControls upstream pressure via pilot-operated mechanism\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1edsnx2\" data-start=\"2239\" data-end=\"2303\"\u003e\n\u003cstrong data-start=\"2241\" data-end=\"2255\"\u003eOperation:\u003c\/strong\u003e\n\u003cul data-start=\"2260\" data-end=\"2303\"\u003e\n\u003cli data-section-id=\"11z55oe\" data-start=\"2260\" data-end=\"2303\"\u003eOpens\/closes based on pressure setpoint\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f9x2u4\" data-start=\"2304\" data-end=\"2382\"\u003e\n\u003cstrong data-start=\"2306\" data-end=\"2321\"\u003eBleed Type:\u003c\/strong\u003e\n\u003cul data-start=\"2326\" data-end=\"2382\"\u003e\n\u003cli data-section-id=\"1kbulbn\" data-start=\"2326\" data-end=\"2382\"\u003eLow bleed (only exhausts during valve repositioning)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2405\" data-start=\"2389\" data-section-id=\"2ayq5\"\u003eMechanical\u003c\/h3\u003e\n\u003cul data-end=\"2605\" data-start=\"2406\"\u003e\n\u003cli data-end=\"2488\" data-start=\"2406\" data-section-id=\"6xw4c8\"\u003e\n\u003cstrong data-end=\"2428\" data-start=\"2408\"\u003eConnection Size:\u003c\/strong\u003e 1\/4\" NPT (internal) \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2542\" data-start=\"2489\" data-section-id=\"1t74ctg\"\u003e\n\u003cstrong data-end=\"2504\" data-start=\"2491\"\u003eMounting:\u003c\/strong\u003e Pilot-mounted on main valve systems\u003c\/li\u003e\n\u003cli data-end=\"2605\" data-start=\"2543\" data-section-id=\"1fllkrv\"\u003e\n\u003cstrong data-end=\"2556\" data-start=\"2545\"\u003eWeight:\u003c\/strong\u003e ~0.91 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2631\" data-start=\"2612\" data-section-id=\"sn7fq6\"\u003eEnvironmental\u003c\/h3\u003e\n\u003cul data-end=\"2821\" data-start=\"2632\"\u003e\n\u003cli data-end=\"2725\" data-start=\"2632\" data-section-id=\"y74o3z\"\u003e\n\u003cstrong data-end=\"2660\" data-start=\"2634\"\u003eOperating Temperature:\u003c\/strong\u003e\n\u003cul data-end=\"2725\" data-start=\"2665\"\u003e\n\u003cli data-end=\"2725\" data-start=\"2665\" data-section-id=\"iv2kar\"\u003e\n\u003cstrong data-end=\"2685\" data-start=\"2667\"\u003e-29°C to +66°C\u003c\/strong\u003e \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2821\" data-start=\"2726\" data-section-id=\"16vtgst\"\u003e\n\u003cstrong data-end=\"2752\" data-start=\"2728\"\u003eMedia Compatibility:\u003c\/strong\u003e\n\u003cul data-end=\"2821\" data-start=\"2757\"\u003e\n\u003cli data-end=\"2821\" data-start=\"2757\" data-section-id=\"1m0jqai\"\u003eGas and liquid service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"APSS Store","offers":[{"title":"Default Title","offer_id":54289841881391,"sku":"APSS-ITEM-00022259","price":878.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/5826\/9231\/files\/BC_Upload_38fbf305-513b-4fbe-8058-b0dd579bd215.jpg?v=1771920301","url":"https:\/\/estore.apss-nc.com\/products\/fisher-6358-pilot-relief-valve-controller-6358-1k748527202","provider":"APSS Store","version":"1.0","type":"link"}