Description
Shimadzu 221-22954-91 SOS Column Adaptor (INJ / GC-8A)
Precision Gas Chromatography (GC) Injection Port Column Fitting
This item is a brand new, unused Shimadzu SOS Column Adaptor for injection ports. Manufactured to exacting analytical tolerances, it delivers leak-tight flow path performance and precise column mounting. Please review all high-resolution listing photographs carefully to verify part numbers, dimensions, and fitting configuration prior to purchase.
Product Overview
The Shimadzu 221-22954-91 (21-22954-91) SOS Column Adaptor is an essential flow path component engineered specifically for connecting analytical columns to the injection port of Shimadzu GC-8A Gas Chromatography systems.
Designed for high leak integrity, stable thermal conductivity, and accurate column alignment, this adaptor ensures clean sample transport into the GC stream without dead volume peak broadening. It is ideal for routine lab maintenance, instrument overhauls, and maintaining reproducible chromatographic results in analytical research and quality control workflows.
Technical Specifications
| Specification Parameter | Details |
|---|---|
| Brand / Manufacturer | Shimadzu (Genuine Laboratory Component) |
| Part Number | 221-22954-91 (Alt: 21-22954-91 / 2212295491) |
| Adaptor Type | SOS Column Adaptor (INJ / Injection Port) |
| System Compatibility | Shimadzu GC-8A Gas Chromatography Series |
| Primary Function | Injection Port Column Fitting & Flow Path Coupling |
| Performance Standard | Zero Leak Integrity, High Thermal Resistance & Inert Flow Path |
| Application Environment | Chemical Analysis, Environmental Testing, QC & Research Labs |
Key Features
- Precision Alignment: Engineered specifically for GC-8A injection ports to ensure accurate column insertion and zero-dead-volume fluid dynamics.
- Leak-Free Sealing: High-integrity construction prevents carrier gas loss and protects against atmospheric contamination.
- High Thermal Stability: Built to withstand high GC oven and injection port temperatures during rapid thermal ramp cycles.
- Direct Replacement: Exact drop-in replacement part matching original Shimadzu factory dimensions for seamless setup.
Please note that international import duties, taxes, customs clearance fees, and VAT are not included in the item price or shipping charges. These charges are the sole responsibility of the buyer. Please check with your country’s customs office to determine what these additional costs will be prior to purchasing.
Fast Express Delivery & Secure Packaging
Worldwide Fast Express Shipping (5 to 10 Days): We ship internationally using leading expedited courier services (DHL / FedEx / UPS Express) to deliver your order quickly and safely within 5 to 10 business days.

