{"product_id":"parker-4sc4-b-compression-tube-union-brass-3500-psi","title":"Parker 4SC4-B Compression Tube Union Brass 3500 Psi","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PARKER 4SC4-B is a brass compression tube union designed to join two compression-end tube lines in a single inline fitting. It provides a leak-resistant mechanical connection without soldering or threading, making it well suited for instrumentation, fluid power, and process piping applications. The fitting is rated to 3500 psi maximum working pressure and measures 1.62 inches in overall length. Constructed from brass conforming to ASME-SB75 and ASTM-B75 standards, it delivers consistent dimensional accuracy and reliable sealing performance. Licensed plumbers, pipefitters, and instrumentation technicians are the typical installers.\u003c\/p\u003e\n\u003cp\u003eThis fitting is used in residential and commercial plumbing, HVAC refrigerant piping, hydraulic instrumentation lines, and process fluid systems where a straight inline union connection between two compression-end tubes is required. Its all-brass construction makes it appropriate for water, air, oil, and compatible gas service within its rated pressure range. The compact 1.62-inch length suits installations with limited inline clearance.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e3500 psi maximum working pressure rating for demanding fluid and gas service\u003c\/li\u003e\n  \u003cli\u003eCompression x compression end connections on both sides for tool-assisted, solder-free assembly\u003c\/li\u003e\n  \u003cli\u003eBrass construction per ASME-SB75 and ASTM-B75 for dimensional consistency and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e1.62-inch overall length fits compact inline installations\u003c\/li\u003e\n  \u003cli\u003eSwagelok cross-reference part number B-400-6 for sourcing reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or direct-fit compression union for tubing systems requiring compression x compression inline unions within the fitting's rated pressure and material specifications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber, pipefitter, or qualified instrumentation technician. Depressurize and isolate the line completely before disassembly or fitting installation. Compression fittings require proper tube preparation including squaring and deburring the cut end before inserting the ferrule and nut. Do not overtighten the compression nut; follow the fitting manufacturer's recommended turn count past finger-tight to achieve a proper ferrule bite without deforming the tube.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Union\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Connections\u003c\/strong\u003e: Compression x Compression\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: 3500 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.62 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ASME-SB75, ASTM-B75\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwagelok Cross Reference\u003c\/strong\u003e: B-400-6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.07 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PARKER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 4SC4-B\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARKER","offers":[{"title":"Default Title","offer_id":51543770366258,"sku":"4SC4-B","price":22.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/074e7ffa2efba8efde25638b0720990d.jpg?v=1785921749","url":"https:\/\/voomisupply.com\/products\/parker-4sc4-b-compression-tube-union-brass-3500-psi","provider":"Voomi Supply","version":"1.0","type":"link"}