Pipe-Lok Vales & Fittings Company delivers precision-engineered instrumentation fittings and valves trusted for reliability, safety, and performance in industrial applications with a strong focus on engineering excellence and quality control.
Designed for economical pressure protection in air, water, inert gas and compatible utility services. Brass pressure relief valves offer good machinability, corrosion resistance and reliable performance for general instrumentation and light industrial systems.
High-Performance Flow & Safety Instrumentation Solutions
Free-cutting brass C36000 is a copper-zinc-lead alloy known for excellent machinability and good corrosion resistance in suitable media.
| Element | Weight Percentage (%) |
|---|---|
| Copper (Cu) | 60.0 - 63.0 |
| Zinc (Zn) | Balance |
| Lead (Pb) | 2.5 - 3.7 |
| Iron (Fe) | 0.35 max |
*Composition limits are indicative for the listed grade family; applicable product specifications may vary depending on valve component and product form.
Brass C36000 offers excellent machinability with moderate strength for compatible pressure relief valve applications.
| Property | Typical / Minimum Value |
|---|---|
| Tensile Strength | 338 MPa typical |
| 0.2% Yield Strength | 124 MPa typical |
| Elongation | 20% typical |
| Hardness | Approx. 78 HRB typical |
| Density | Approx. 8.5 g/cm3 |
*Mechanical requirements depend on product form, heat treatment and applicable ASTM/ASME specification. Confirm final values against the material specification used for the pressure relief valve component.
High-performance material specifications for our complete Pressure Relief Valve range.
Designed for demanding pressure systems where material compatibility, corrosion resistance and reliable pressure protection are essential.
Common for air compressors, pneumatic lines and utility air service.
Used in compatible water and non-dezincifying environments.
Suitable for nitrogen and inert gas pressure protection.
Used in gauges, panels and light-duty pressure circuits.
Applicable for heating and cooling utility systems.
Used in compact, economical valve assemblies.
Pipe-Lok Vales & Fittings manufactures high-quality alternatives to the following standard industry part numbers
| Swagelok Part No. | Pipe-Lok Vales & Fittings Equivalent | Availability |
|---|---|---|
| SS-4R3A | Available | Ready to Ship |
| SS-4R3A1 | Available | Ready to Ship |
| SS-4R3A5 | Available | Ready to Ship |
| SS-4R3A5-BU | Available | Ready to Ship |
| SS-4R3A5-EP | Available | Ready to Ship |
| SS-4R3A5-KZ | Available | Ready to Ship |
| SS-4R3A5-NE | Available | Ready to Ship |
| SS-4R3A5-RT | Available | Ready to Ship |
| SS-4R3A-BU | Available | Ready to Ship |
| SS-4R3A-EP | Available | Ready to Ship |
| SS-4R3A-KZ | Available | Ready to Ship |
| SS-6R3A-MM | Available | Ready to Ship |
| SS-8R3A-MM | Available | Ready to Ship |
| SS-R4M8F8 | Available | Ready to Ship |
| SS-R4M8S8 | Available | Ready to Ship |
| SS-R4S8 | Available | Ready to Ship |
| SS-R4S12MM | Available | Ready to Ship |
| SS-RL3M4-F4 | Available | Ready to Ship |
| SS-RL3M4F4-RT | Available | Ready to Ship |
| SS-RL3M4-S4 | Available | Ready to Ship |
| SS-RL3S4 | Available | Ready to Ship |
| SS-RL3S4-SC11 | Available | Ready to Ship |
| SS-RL3S4-EP | Available | Ready to Ship |
| SS-RL3S4-MO | Available | Ready to Ship |
| SS-RL3S4-KZ-11002 | Available | Ready to Ship |
| SS-RL3S6MM | Available | Ready to Ship |
| SS-RL3S8MM | Available | Ready to Ship |
| SS-RL4M8F8 | Available | Ready to Ship |
| SS-RL4MR8 | Available | Ready to Ship |
| SS-RL4S8 | Available | Ready to Ship |
| SS-RL4S12MM | Available | Ready to Ship |