

Swagelok SS-RL4S8 low pressure proportional relief valve, featuring a 316 stainless steel body, 1/2 in. tube fittings, and fluorocarbon FKM seal. Provides over-pressure protection with easy set pressure adjustments.

Swagelok SS-RL4S8 Stainless Steel Low Pressure Proportional Relief Valve, 1/2 in. Swagelok Tube Fitting. Obtain over-pressure protection for a variety of applications with Swagelok proportional relief valves with easy external set pressure adjustments.
| Specification | Value |
|---|---|
| Body Material | 316 Stainless Steel |
| Cleaning Process | Standard Cleaning and Packaging (SC-10) |
| Connection 1 Size | 1/2 in. |
| Connection 1 Type | Swagelok® Tube Fitting |
| Connection 2 Size | 1/2 in. |
| Connection 2 Type | Swagelok® Tube Fitting |
| Handle Style | No Handle |
| Room Temperature Pressure Rating | 225 PSIG @ 100°F /15.5 BAR @ 37°C |
| Seal Material | Fluorocarbon FKM |
| Service Class | Low Pressure |
| Testing | No Optional Testing |
| eClass (4.1) | 37010901 |
| eClass (5.1.4) | 37019901 |
| eClass (6.0) | 37010901 |
| eClass (6.1) | 37019901 |
| eClass (10.1) | 37019901 |
| UNSPSC (4.03) | 40141606 |
| UNSPSC (10.0) | 40141606 |
| UNSPSC (11.0501) | 40141606 |
| UNSPSC (13.0601) | 40141606 |
| UNSPSC (15.1) | 40141606 |
| UNSPSC (17.1001) | 40183109 |
System Design and Component Intermixing
The total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user. Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.
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