PVA PV-18P-0.5X, Flexible Needle, Polypropylene, 0.5" Length Cannula
PVA PV-18P-0.5X, Flexible Needle, Polypropylene, 0.5" Length Cannula
The PVA PV-18P-0.5X is an 18-gauge flexible polypropylene dispensing needle supplied in a box of 50. PVA specifies a 0.5-inch cannula length and a 0.033-inch inside diameter for this exact part number. Its double-helix threaded polypropylene Luer Lock hub is bonded to a flexible polypropylene cannula.
Choose this configuration when your industrial dispensing process calls for a flexible plastic fluid path rather than a rigid metal cannula. Evaluate fluid compatibility, access and positioning with the actual dispensing equipment before approving it for production.
Key Features
- Exact manufacturer part number: PV-18P-0.5X.
- 18-gauge flexible polypropylene cannula.
- 0.5-inch cannula length and 0.033-inch inside diameter.
- Polypropylene Luer Lock hub with double-helix thread.
- Bonded hub-and-cannula construction.
- Box of 50 tips for industrial dispensing applications.
Technical Specifications
| Manufacturer | PVA |
|---|---|
| Part number | PV-18P-0.5X |
| Gauge | 18 |
| Cannula length | 0.5 in, per PVA’s exact-product listing |
| Inside diameter | 0.033 in |
| Cannula material | Flexible polypropylene |
| Hub material | Polypropylene |
| Connection | Double-helix threaded Luer Lock hub |
| Construction | Flexible cannula bonded to hub |
| Package quantity | 50 tips per box |
Best Uses / Applications
Consider this tip for compatible industrial adhesive and assembly-fluid dispensing where a flexible cannula is a useful alternative to rigid metal. Electronics assembly, component bonding and precision bench dispensing are potential application contexts, subject to validation of the fluid, required deposit and equipment connection.
PVA describes its flexible polypropylene construction as providing chemical resistance and durability. Chemical resistance is formulation-specific, not a universal compatibility approval. Confirm suitability for the exact fluid, temperature and exposure conditions with the relevant suppliers. Flexibility also changes positioning behavior: assess deflection, stand-off and repeatability in the intended setup.
Compare Dispensing Tip Designs
| Design | Selection consideration | What to verify |
|---|---|---|
| PV-18P-0.5X flexible polypropylene | Flexible plastic cannula with a 0.033-inch bore and 0.5-inch reach. | Fluid compatibility, deflection and repeatable positioning. |
| Straight stainless steel cannula | A rigid alternative with different material contact and positioning behavior. | Exact bore, length, clearance and compatibility with the complete tip assembly. |
| One-piece tapered plastic tip | A different internal flow path that may suit certain viscous materials. | Outlet opening, body clearance and actual dispensing response. |
Selection and Setup Guidance
Order using the complete PV-18P-0.5X part number and the box-of-50 quantity. Confirm the mating connection and operating limits with your equipment manufacturer; a Luer Lock description alone does not establish compatibility with every dispensing system or pressure setting.
Trial the actual formulation under its specified handling conditions. Check deposits at start-up, during steady operation and after representative pauses. Gauge and bore do not guarantee a particular dot size or flow rate. Inspect for damage or blockage and follow the process instructions for replacement. Do not trim or modify the cannula unless PVA provides an applicable method.
Polypropylene construction alone does not establish ESD performance, sterility, cleanroom qualification or damage-free contact with every surface. Validate any such process requirement separately.
Frequently Asked Questions
What is the correct cannula length for PV-18P-0.5X?
PVA specifies a 0.5-inch cannula length for this exact part number. Use that manufacturer specification when selecting the tip.
What is the inside diameter?
The manufacturer lists a 0.033-inch inside diameter for this 18-gauge flexible tip.
How many tips are supplied?
This listing is for one box containing 50 PV-18P-0.5X tips.
Are the hub and cannula both polypropylene?
Yes. PVA specifies a double-helix threaded polypropylene Luer Lock hub with a bonded flexible polypropylene cannula.
Is it a direct replacement for an 18-gauge steel needle?
Not automatically. Compare actual dimensions, materials, connection and stiffness. Validate the fluid path and deposit after changing tip designs.
Can I use it with any adhesive or solvent?
No universal compatibility is established. Confirm compatibility with the exact formulation and use conditions rather than relying on a general chemical-resistance description.
Does a flexible plastic tip guarantee no surface damage?
No. Surface interaction depends on contact force, positioning, contamination and the workpiece. Evaluate representative parts before approving a contact process.
Related Products and Resources
Explore Dispensing Tips & Needles, the PVA collection and the wider Dispensing collection. For application planning, visit our Adhesives, Dispensing & UV Cure Systems guide.
