Swagelok SS-4BMW-VCR stainless steel metering bellows sealed valve, welded, with a metering stem tip and 1/4 in. male Swagelok VCR face seal fitting. Isolate system fluids and achieve reliable, leak-tight performance with Swagelok bellows valves, which use a packless design and a welded seal. Bellows valves are ideal for applications where the seal to atmosphere is critical, and we offer multiple options for general and high-purity service.

Specifications

Specification	Value
Actuator Type	Manual
Bellows Material	321 Stainless Steel
Body Material	316 Stainless Steel
Body Seal	Welded
Cleaning Process	Special Cleaning and Packaging (SC-11)
Connection 1 Size	1/4 in.
Connection 1 Type	Face Seal (Metal Gasket) Male VCR
Connection 2 Size	1/4 in.
Connection 2 Type	Face Seal (Metal Gasket) Male VCR
CV Maximum	0.019
Flow Pattern	Straight (2-way)
Gasket	None
Handle Color	Not Applicable
Handle Style	Silver-mist Chrome-plated 313 SS
Maximum Temperature, °F (°C)	900 (482)
Max Temperature Pressure Rating	900°F @ 100 PSIG /482°C @ 6.8 BAR
Minimum Temperature, °F (°C)	-20 (-28)
Room Temperature Pressure Rating	700 PSIG @ 100°F /48.2 BAR @ 37°C
Service Class	General
Stem Tip Material	Chrome Plated 316 Stainless Steel
Stem Type	Metering
Surface Finish	Standard
Testing	Helium leak testing according to SCS-00020

WARNING

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