Swagelok SS-R4S12MM is a 316 stainless steel high pressure proportional relief valve designed to provide reliable over-pressure protection for a variety of industrial applications. This R series proportional relief valve features 12 mm Swagelok tube fitting end connections and a high-performance fluorocarbon FKM seal. It is engineered for high-pressure service with a room temperature pressure rating of 1500 PSIG (103 BAR), making it suitable for demanding fluid systems that require precise safety management. The valve is processed under standard cleaning and packaging (SC-10) protocols and features a design without a handle, optimized for set-and-forget safety relief configurations.

Technical Specifications

Feature	Specification
Body Material	316 Stainless Steel
Connection 1 Size	12 mm
Connection 1 Type	Swagelok® Tube Fitting
Connection 2 Size	12 mm
Connection 2 Type	Swagelok® Tube Fitting
Pressure Rating	1500 PSIG @ 100°F (103 BAR @ 37°C)
Seal Material	Fluorocarbon FKM
Service Class	High Pressure
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Handle Style	No Handle

Key Features

• Proportional Relief: The valve opens gradually as the system pressure increases beyond the set point, providing stable pressure control.
• Easy External Adjustment: Allows for external set pressure adjustments without requiring disassembly, simplifying maintenance and system tuning.
• High Pressure Performance: Rated for up to 103 BAR, providing robust protection in high-pressure gas or liquid service.
• Material Integrity: All-316 stainless steel construction ensures excellent corrosion resistance and durability.

Compliance & Identification

This model is identified by part number SS-R4S12MM and is categorized under UNSPSC 40141606 and eClass 10.1 (37019901). It has undergone standard factory testing with no optional testing protocols applied.

System Selection & Safety

When selecting products, 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 or interchange Swagelok products or components not governed by industrial design standards, including tube fitting end connections, with those of other manufacturers.