Product Overview
The SWAGELOK 6LVV-DPFR4-PI-C is a high-purity pneumatic diaphragm valve engineered for precision fluid and gas control in demanding industrial and process environments. Manufactured by Swagelok, a global leader in fluid system components, this valve utilizes a flexible diaphragm as the sealing and actuating element, isolating the working media from the valve mechanism to prevent contamination and ensure leak-tight shutoff. The 6LVV series is specifically designed for ultra-high-purity (UHP) applications, making it ideal for semiconductor, pharmaceutical, and analytical instrumentation systems where media integrity is critical. The “PI” suffix denotes a pneumatic piston-style actuator with position indication, enabling reliable remote operation and visual status confirmation within automated process control loops.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Diaphragm Valve (Process & Pneumatic Valve) |
| Model Designation | 6LVV-DPFR4-PI-C |
| Operating Pressure | Standard Industrial Grade (Up to rated bar; typical UHP range 0–20 bar depending on configuration) |
| Mounting & Connection | Standard Swagelok VCR® / Face Seal Fitting Interface (4 = 1/4 in. size) |
| Actuation Type | Pneumatic Piston Actuator with Position Indicator (PI) |
| Body Material | Stainless Steel (316L VIM/VAR typical for 6LVV series) |
| Diaphragm Material | High-purity elastomer (e.g., PTFE/PFA or equivalent) |
| Flow Configuration | 2-Way, Normally Closed (DPFR = Diaphragm, Pneumatic, Flow Reverse) |
Engineering Features & Advantages
- Precision Performance: The diaphragm sealing principle provides bubble-tight shutoff and eliminates stem leakage paths, ensuring zero dead volume and minimal particle generation for critical high-purity processes.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with a robust pneumatic piston actuator delivering consistent cycle life and repeatable actuation force.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, including standard Swagelok VCR® face seal connections for leak-free installation.
- Position Indication: Integrated PI (Position Indicator) allows immediate visual verification of valve state, enhancing system diagnostics and safety in automated skids.
- Contamination-Free Design: All wetted surfaces are engineered for UHP service, with minimal crevices and high-purity materials to prevent media entrapment and corrosion.
Typical Industrial Applications
This pneumatic diaphragm valve is widely deployed in semiconductor fabrication equipment for high-purity gas and chemical delivery, pharmaceutical and biotech process lines requiring sterile and
PRODUCT IMAGES
SWAGELOK 6LVV-DPFR4-PI-C Pneumatic Diaphragm Valve
âš¡ 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-DPFR4-PI-C Pneumatic Diaphragm Valve. This USA-made pneumatic component features a spring-return diaphragm design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.