The SWAGELOK SS-6R3A-MM / SS-RL3S6MM / SS-4R3A is a heavy-duty industrial proportional relief valve engineered for precise pressure control in process and pneumatic systems. Featuring 316L stainless steel construction and a poppet-style relief mechanism, it ensures reliable overpressure protection and smooth modulation.
SWAGELOK SS-6R3A-MM / SS-RL3S6MM / SS-4R3A Technical Specifications
| Parameter | Specification |
|---|---|
| Body Material | 316L Stainless Steel |
| Connection Type | Swagelok® Tube Fitting (6 mm, 3 mm, 4 mm) |
| Pressure Range | 0–350 bar (0–5000 psi) |
| Operating Temperature | -20°C to +200°C (-4°F to +392°F) |
| Flow Coefficient (Cv) | 0.08–0.25 (depending on model) |
| Seat Type | Poppet, soft-seated (PCTFE) |
| Actuation | Proportional, direct spring-loaded |
| Mounting | Inline or panel mount |
| Compliance | ASME B31.3, ISO 9001 |
Key Engineering Features
- Proportional relief design for accurate pressure modulation
- 316L stainless steel body for corrosion resistance
- Swagelok® tube fitting connections for leak-tight performance
- Soft-seated poppet ensures bubble-tight shutoff
- Compact inline or panel-mount configuration
- High cycle life and repeatability
Industrial Applications
- Process gas and liquid pressure control
- Pneumatic systems and instrumentation
- Chemical and petrochemical plants
- Oil and gas sampling systems
- Analytical and laboratory equipment
- Hydraulic power units and test stands
For technical inquiries, dimensional drawings, or replacement support for SWAGELOK SS-6R3A-MM / SS-RL3S6MM / SS-4R3A, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
SWAGELOK SS-6R3A-MM / SS-RL3S6MM / SS-4R3A Relief 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 SWAGELOK SS-6R3A-MM / SS-RL3S6MM / SS-4R3A Proportional Relief Valve. This precision-engineered industrial component delivers reliable performance and accurate operation for demanding industrial systems.