The Swagelok B-1RS4 integral-bonnet needle valve is a compact needle valve with a straight pattern and a regulating stem. It features a brass body and stem tip, 1/4 in. Swagelok® tube fitting end connections, and a phenolic knob handle.

Specifications

Specification	Value
Body Material	Brass
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1/4 in.
Connection 1 Type	Swagelok® Tube Fitting
Connection 2 Size	1/4 in.
Connection 2 Type	Swagelok® Tube Fitting
CV Maximum	0.37
Handle Style	Phenolic Knob
Low Emissions Certified	Yes
Maximum Temperature, °F (°C)	400 (204)
Max Temperature Pressure Rating	400°F @ 390 PSIG / 204°C @ 26 BAR
Minimum Temperature, °F (°C)	-65 (-53)
Stem Tip Material	Brass
Stem Type	Regulating

WARNING

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.