Swagelok SS-QTM4-D-600 is a QTM4 series stainless steel quick-connect stem with an integrated valve, providing a 1.6 Cv flow coefficient when coupled with a standard body. This Double-End Shut-Off (DESO) component is designed for high-integrity systems, featuring a 3/8 inch Swagelok tube fitting connection and Xylan®-coated 316 stainless steel construction for enhanced durability and performance.

DESO Stems

These stems enhance system integrity with recessed PTFE seals that are protected from damage during handling and operation. The materials are chemically compatible with a wide range of substances commonly used in hazardous applications, ensuring reliable performance in demanding environments.

Technical Specifications

Feature	Details
Series	QTM4
Body Material	Xylan®-Coated 316 Stainless Steel
O-Ring/Seal Material	PTFE
Connection 1 Size	3/8 in.
Connection 1 Type	Swagelok® Tube Fitting
Maximum Cv	1.6 (when coupled with standard body)
Lubricant	Krytox 240AC Grease
Cleaning Process	Standard Cleaning and Packaging (SC-10)

Pressure and Temperature Ratings

Condition	Rating
Uncoupled at Room Temperature	1000 PSIG @ 0°F to 120°F (68.9 BAR @ -17°C to 48°C)
Coupling and Uncoupling	100 PSIG @ 70°F (6.8 BAR @ 21°C)

Classification Data

• eClass (10.1): 37110302
• UNSPSC (15.1): 27121701

System Safety

The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. 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 with those of other manufacturers.