{"product_id":"parker-639ca-4-compression-tube-plug-brass","title":"Parker 639CA-4 Compression Tube Plug Brass","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PARKER 639CA-4 is a brass compression tube plug designed to terminate or cap off a compression tube line in fluid and gas distribution systems. It uses a standard compression end connection to create a secure, leak-resistant seal without threading into a port. Rated for a maximum working pressure of 1400 psi and a temperature range of -65 to 250 degrees F, this plug handles the demands of industrial, HVAC, and instrumentation plumbing applications. It is sized for tube fitting installations and is typically installed by licensed plumbers, HVAC technicians, and pipefitters working on hydraulic, pneumatic, or refrigerant-adjacent tubing systems.\u003c\/p\u003e\n\u003cp\u003eThis compression tube plug is suited for use in residential and light commercial systems where a tube run must be capped, isolated, or terminated at a junction. Its all-brass construction resists corrosion and holds up in both wet and dry service environments. The wide operating temperature range makes it appropriate for both low-temperature refrigeration applications and moderate-heat fluid lines. It ships as a single unit and meets NPTF thread standard requirements where applicable.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass construction for corrosion resistance in fluid and gas service\u003c\/li\u003e\n  \u003cli\u003eMaximum working pressure of 1400 psi for demanding applications\u003c\/li\u003e\n  \u003cli\u003eTemperature range of -65 to 250 degrees F\u003c\/li\u003e\n  \u003cli\u003eCompression tube end connection for tool-assisted, leak-resistant termination\u003c\/li\u003e\n  \u003cli\u003eNPTF thread standard compliance\u003c\/li\u003e\n  \u003cli\u003eCompact plug design for tube line capping and isolation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style compression fitting plug for use in compression tube systems operating within the rated pressure and temperature limits of this fitting.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber, pipefitter, or HVAC technician familiar with compression fitting assembly. Depressurize and isolate the line completely before removing any existing fittings or installing this plug. Use appropriate tube preparation tools to ensure a clean, square tube cut and proper ferrule seating. Do not overtighten the compression nut, as this can deform the ferrule and compromise the seal.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitting Type\u003c\/strong\u003e: Plug\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd Connection\u003c\/strong\u003e: Compression Tube\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: NPTF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: 1400 psi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Temperature\u003c\/strong\u003e: 250 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Temperature\u003c\/strong\u003e: -65 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\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: 639CA-4\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARKER","offers":[{"title":"Default Title","offer_id":51541295006002,"sku":"639CA-4","price":15.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/d7020a922c701764e765cac382e9b7c9.jpg?v=1785871605","url":"https:\/\/voomisupply.com\/products\/parker-639ca-4-compression-tube-plug-brass","provider":"Voomi Supply","version":"1.0","type":"link"}