CUSTOM ITEM: Tubing, PTFE, 0.19 inch (4.75 mm) ID, 1/4th inch (6.4 mm) inch OD, low pressure, Your continuous length tubing, priced per meter. ARE-Applied Research brand.
Additional Info:
49225-04-1C ARE‑Applied Research PTFE Tubing is a made‑to‑order, custom continuous length solution engineered for HPLC, UHPLC, LC‑MS, and general laboratory applications, providing an extra‑large internal diameter for maximum solvent throughput, along with continuous tubing runs to eliminate unions and optimize system performance.
Manufactured from 100% virgin PTFE resin, this tubing contains no additives or plasticizers, ensuring maximum chemical purity and compatibility with sensitive analytical workflows.
Custom Continuous Length – Built to Your Specification
Supplied in user‑defined continuous lengths
Priced per meter
Eliminates unions and extra fittings
Reduces dead volume and leak points
✅ Ideal for large‑scale fluid systems, extended routing, and OEM applications
✅ Recommended for finalized system designs and validated installations
Precision Dimensions – Extreme Flow Capacity
Inner Diameter (ID): 0.19" (4.75 mm)
Outer Diameter (OD): 1/4" (6.4 mm)
Wall Thickness: 1.65 mm
Tolerance (ID & OD): ± 0.20 mm
✅ Extra‑large bore enables maximum flow rates for high‑volume applications
Thin‑Walled Construction – High‑Volume Transfer Efficiency
Optimized wall thickness provides:
Structural integrity at large diameter
Reduced flow resistance
Reliable performance in long runs
✅ Ideal for bulk solvent delivery and high‑capacity waste systems
Low‑Pressure Chromatography Performance
Designed for low‑pressure applications, including:
Pre‑pump mobile phase transfer
Post‑detector solvent waste lines
Bulk solvent handling systems
Pressure Rating: 290 psi (20 bar)
✅ Suitable for high‑flow, low‑pressure laboratory environments
Virgin PTFE Construction – High Purity & Inertness
Manufactured from 100% virgin PTFE
No additives, fillers, or colorants
Chemically inert and non‑reactive
✅ Minimizes contamination risk in LC‑MS and analytical workflows
Broad Chemical & Thermal Resistance
Compatible with:
Organic solvents
Acids and bases
Aqueous mobile phases
Maximum Temperature: 260 °C
✅ Performs reliably in aggressive chemical and high‑temperature conditions
Micro‑Porous Structure – Application Consideration
PTFE tubing contains micropores allowing slight gas exchange
Important when working with:
Degassed solvents
Oxygen‑sensitive applications
✅ Consider alternative tubing where gas impermeability is required
Flexible & Durable Design
Flexible for long continuous routing
Durable under repeated laboratory use
Natural translucent finish allows visual flow confirmation
✅ Supports efficient installation and system maintenance
Spool Supply for Longer Lengths
Lengths ≥ 15 meters supplied on a convenient spool
Reduces kinking and simplifies installation
Supports clean layout in large systems
✅ Ideal for extended and large‑scale fluid transfer systems
Regulatory Compliance
Compliant with:
RoHS EU Directive 2011/65/EU
Amendment (EU) 2015/863
✅ Meets global environmental and safety standards
Available Standard Length Options
✅ Use pre‑cut lengths if custom tubing is not required:
✅ Custom lengths available through Customer Service
Typical Applications
Bulk solvent delivery systems
Ultra high‑volume solvent transfer
Large‑capacity waste line routing
Extended fluid routing installations
Pre‑pump mobile phase transport
OEM and system integration
Important Usage Notes
Not intended for high‑pressure HPLC pump head connections
Consider permeability when using degassed or oxygen‑sensitive solvents
Use properly sized fittings for secure, leak‑free performance
🚨 Made‑to‑Order & Pricing Information
This is a custom, made‑to‑order item.
Orders cannot be canceled once placed
Custom items are non‑returnable