Product Overview
The SWAGELOK 6LVV-MSM-ALD6T-HF2-P-C is a high-purity, manually actuated diaphragm valve engineered for critical process and pneumatic flow control applications. Manufactured by Swagelok, a globally recognized leader in fluid system components, this valve utilizes a flexible diaphragm as the sealing element to isolate the process media from the valve actuation mechanism and the surrounding environment. This design eliminates the need for dynamic seals, packing, or stem seals that are prone to wear and leakage, making it ideal for systems requiring zero external leakage and minimal internal dead volume. The valve operates on a simple linear actuation principle: a hand-operated stem compresses the diaphragm against a precision-machined weir or seat to provide bubble-tight shutoff, and retracts to allow unobstructed flow. With its 6LVV series designation, this model is specifically configured for high-purity and corrosive fluid handling, featuring a fully swept flow path and a robust body construction. The 6LVV-MSM-ALD6T-HF2-P-C is a direct-fit, drop-in replacement for OEM installations, ensuring seamless integration into existing gas delivery panels, analyzer systems, and process skids without modification.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Diaphragm Valve (Process & Pneumatic) |
| Model Designation | 6LVV-MSM-ALD6T-HF2-P-C |
| Operating Pressure | Standard Industrial Grade (Up to rated bar, dependent on temperature and media) |
| Mounting & Connection | Standard Swagelok Tube Fitting / VCR Metal Gasket Face Seal Interface |
| Actuation Type | Manual, Hand-Operated (MSM Series) |
| Body Material | High-Purity Stainless Steel (316L or equivalent) |
| Diaphragm Material | Elastomeric / PTFE-lined (HF2 designation) |
| Flow Path | Fully Swept, Zero Dead Volume |
| Seal Type | Bubble-Tight, Packless Diaphragm Seal |
Engineering Features & Advantages
- Precision Performance: The diaphragm sealing principle provides exceptional repeatability and fine flow control, with a linear stem travel that allows precise throttling and reliable bubble-tight shutoff. The absence of dynamic stem seals eliminates friction and hysteresis, ensuring consistent actuation response.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, the valve body and diaphragm are constructed from high-purity, corrosion-resistant materials that withstand aggressive chemicals, high-purity gases, and elevated temperatures without degradation.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original SWAGELOK OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
The 6LVV-MSM-ALD6T-HF2-P-C is a direct-fit, drop-in replacement for OEM installations, ensuring seamless integration into existing gas delivery panels, analyzer systems, and process skids without modification.
PRODUCT IMAGES

SWAGELOK 6LVV-MSM-ALD6T-HF2-P-C Diaphragm 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 SWAGELOK 6LVV-MSM-ALD6T-HF2-P-C Manual Diaphragm Valve. This USA-made hydraulic component features a manual actuation design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.