{"product_id":"cole-parmer-hose-barb-reducer-1-4-in-id-1-8-in-id","title":"Cole-Parmer Hose Barb Reducer 1\/4 in. ID - 1\/8 in. ID 30 Fittings","description":"\u003ch3\u003eCole-Parmer Masterflex 30703-50 Hose Barb Reducer – 1\/4 in. ID to 1\/8 in. ID, PVDF\u003c\/h3\u003e\n\u003cp\u003eThe Cole-Parmer 30703-50 (also cataloged under Masterflex SKU EW-30703-50) is a straight, barbed reducing union engineered for critical fluid handling, low-pressure plumbing, and single-use laboratory applications. Molded from premium Polyvinylidene Fluoride (PVDF), commonly known as Kynar, this chemical-resistant fitting forms a straight inline bridge between flexible tubing lines of disparate sizes, reducing from a 1\/4-inch inner diameter (ID) down to a 1\/8-inch ID. The sharp, precision-molded barbs grip the interior walls of flexible tubing, leveraging the elastomer's natural elasticity to establish a tight, leak-proof mechanical seal without the need for specialized installation tools.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Performance and Design\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eHigh-Purity PVDF Matrix:\u003c\/b\u003e Polyvinylidene Fluoride offers exceptional mechanical strength, a high temperature threshold, and robust resistance to UV radiation, ozone, and aggressive industrial chemicals. It is inherently bio-inert, minimizing the risk of trace extractables leaching into the fluid pathway.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003ePrecision Barbed Geometry:\u003c\/b\u003e The single-piece molded design features distinct, sharp barbs that slide smoothly into flexible tubing but resist backing out under typical inline pressure spikes up to 30 PSI.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eSmooth Internal Orifice:\u003c\/b\u003e The inner channel transitions gradually from the larger diameter to the smaller diameter, optimizing flow dynamics, minimizing fluid turbulence, and preventing dead spots where particulates or bacteria could accumulate.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eBroad Sterilization Tolerance:\u003c\/b\u003e Highly resilient to rigorous laboratory decontamination protocols; the fitting can be repeatedly autoclaved up to 121°C or treated with Ethylene Oxide (EtO) gas without losing its structural integrity or embrittling.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eCatalog Number \/ MPN:\u003c\/b\u003e 30703-50 (EW-30703-50)\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eProduct Line:\u003c\/b\u003e Masterflex \/ Cole-Parmer\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eFitting Style:\u003c\/b\u003e Straight Hose Barb Reducer \/ Coupler\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003ePort 1 (Large End):\u003c\/b\u003e 1\/4 inch Tubing ID\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003ePort 2 (Small End):\u003c\/b\u003e 1\/8 inch Tubing ID\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eMaterial:\u003c\/b\u003e Polyvinylidene Fluoride (PVDF \/ Kynar)\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eOperational Temperature Range:\u003c\/b\u003e -80°F to 265°F (-62°C to 129°C)\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eMaximum Pressure Limit:\u003c\/b\u003e Generally rated for low-pressure applications under 30 PSI (dependent on tubing material and clamping hardware)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Benefits \u0026amp; Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003ePeristaltic Pump Lines:\u003c\/b\u003e Designed to adapt Masterflex pump head tubing to smaller or larger analytical distribution lines, acting as a baseline hardware bridge in dosing and sampling systems.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eBiopharmaceutical Processing:\u003c\/b\u003e Highly valued in single-use biopharma assemblies due to the PVDF compound's compliance with strict sanitary protocols and trace-extractable limitations.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eCorrosive Chemical Transfer:\u003c\/b\u003e Safe for routing aggressive acids, heavy solvents, halogens, and alcohols that would rapidly degrade standard nylon or polyethylene fittings.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp style=\"margin: 0;\"\u003e\u003cb\u003eEnvironmental Water Sampling:\u003c\/b\u003e The bio-inert nature of Kynar prevents heavy metal or plasticizer contamination during ultra-pure water testing and trace-organic fluid collections.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003cp style=\"margin: 0; font-size: 0.8em;\"\u003e\u003ci\u003eAll product names, logos, and brands are property of their respective owners.\u003c\/i\u003e\u003c\/p\u003e","brand":"Cole-Parmer","offers":[{"title":"Default Title","offer_id":44984661344508,"sku":"6391","price":10.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/cole-parmer-hose-barb-reducer-fitting-14-in-id-to-18-in-id-30-hose-reducers-lab-equipmentpumps-pump-access-tubing-cole-parmer-640484.jpg?v=1717872136","url":"https:\/\/lifesciencestrading.com\/products\/cole-parmer-hose-barb-reducer-1-4-in-id-1-8-in-id","provider":"Life Sciences Trading","version":"1.0","type":"link"}