{"product_id":"parker-4a-c4l-1-bn-b-check-valve-1-4-inch-compression-brass","title":"Parker 4A-C4L-1-BN-B Check Valve 1\/4 Inch Compression Brass","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PARKER 4A-C4L-1-BN-B is an inline check valve designed for 1\/4 inch pipe with compression x compression end connections. Built from a brass body with a nitrile rubber seal and stainless steel spring, this valve allows flow in one direction and prevents backflow automatically. It carries a maximum working pressure rating of 3000 psi WOG (water, oil, gas) and a crack pressure of 1 psi. Licensed plumbers, HVAC technicians, and instrumentation specialists install this type of valve in fluid and gas distribution systems where backflow prevention is required without manual operation.\u003c\/p\u003e\u003cp\u003eThis inline check valve is suited for residential and light commercial plumbing, HVAC refrigerant and hydronic lines, pneumatic systems, and instrumentation tubing where 1\/4 inch compression fittings are standard. The compression x compression configuration makes it compatible with tubing installations that require a leak-resistant, tool-assisted connection without soldering or threading. Its compact form factor fits in tight spaces common in equipment rooms and mechanical enclosures.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBrass body construction for corrosion resistance in water, oil, and gas service\u003c\/li\u003e\n\u003cli\u003eNitrile rubber seal provides reliable shutoff across a wide range of fluid types\u003c\/li\u003e\n\u003cli\u003eStainless steel spring ensures consistent cracking and positive valve closure\u003c\/li\u003e\n\u003cli\u003e3000 psi maximum working pressure suits high-pressure system applications\u003c\/li\u003e\n\u003cli\u003e1 psi crack pressure allows flow initiation at low differential pressure\u003c\/li\u003e\n\u003cli\u003eCompression x compression ends simplify installation without soldering or threading\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or new-install inline check valve for 1\/4 inch compression tubing systems in plumbing, HVAC, and instrumentation applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a licensed plumber or qualified HVAC technician. Depressurize and isolate the line completely before removing or installing this valve. Compression fittings require proper tube preparation and correct ferrule seating to achieve a leak-free connection. Verify that the flow direction marked on the valve body matches the intended system flow before tightening fittings.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type\u003c\/strong\u003e: Inline Check Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Size\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Connection\u003c\/strong\u003e: Compression x Compression\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Working Pressure\u003c\/strong\u003e: 3000 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrack Pressure\u003c\/strong\u003e: 1 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Material\u003c\/strong\u003e: Nitrile Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Material\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.2 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 4A-C4L-1-BN-B\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARKER","offers":[{"title":"Default Title","offer_id":51542270738738,"sku":"4A-C4L-1-BN-B","price":137.14,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/c29f29b366810b5eb668d8210437c69a.jpg?v=1785896952","url":"https:\/\/voomisupply.com\/products\/parker-4a-c4l-1-bn-b-check-valve-1-4-inch-compression-brass","provider":"Voomi Supply","version":"1.0","type":"link"}