Product Overview
The RHEODYNE 9900-013 is a precision analytical injection valve engineered for accurate, repeatable sample introduction in high-performance liquid chromatography (HPLC) and analytical instrumentation systems. Manufactured by IDEX Health & Science under the renowned Rheodyne brand, this rotary injection valve utilizes a rugged internal rotor-and-stator sealing mechanism to deliver precise, low-dispersion sample injection at elevated system pressures. As a critical fluid-handling component within analytical process systems, the 9900-013 ensures reproducible injection volumes, minimal carryover, and long service life, making it the industry-standard choice for laboratories and process analyzers requiring dependable, high-resolution chromatographic performance.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Analytical Injection Valve (Rotary / Process & Pneumatic Valve) |
| Model Designation | 9900-013 |
| Manufacturer | Rheodyne (IDEX Health & Science) |
| Operating Pressure | Standard Analytical Grade (Up to rated system bar) |
| Valve Mechanism | Rotary Shear Seal / Stator-Rotor Interface |
| Mounting & Connection | Standard Analytical Port Interface (1/16″ or 1/8″ fittings) |
| Wetted Materials | Inert PEEK / PTFE / Ceramic (chemical compatibility dependent) |
Engineering Features & Advantages
- Precision Metering: Rotary shear-seal design delivers highly accurate, repeatable sample injection volumes with minimal internal dead volume and low dispersion for sharp chromatographic peaks.
- Leak-Free Sealing: Engineered stator-rotor interface maintains a positive, high-integrity seal across repeated actuation cycles, preventing cross-contamination and sample loss.
- Industrial Reliability: Built for continuous operation under demanding analytical and process conditions, with chemically inert wetted paths compatible with aggressive solvents and reagents.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rheodyne OEM specifications, ensuring drop-in replacement without system modification.
Typical Industrial Applications
The RHEODYNE 9900-013 is widely deployed in HPLC and UHPLC analytical systems, pharmaceutical quality-control laboratories, petrochemical process analyzers, environmental and food-safety testing instrumentation, and continuous on-line process monitoring skids. Its robust rotary sealing design also suits automated sample-handling systems, preparative chromatography, and industrial fluid-sampling circuits where precise, contamination-free injection is essential.
PRODUCT IMAGES
RHEODYNE 9900-013 Analytical Injection Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine RHEODYNE 9900-013 Solenoid Directional Seat Valve. This German-made 24V DC hydraulic component features a poppet-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.