Swagelok SS-4BKT is a stainless steel bellows sealed valve featuring a gasketed seal, PCTFE conical stem tip, and 1/4 in. Swagelok tube fittings. It utilizes a packless design and welded seal to isolate system fluids and achieve reliable, leak-tight performance. Ideal for applications where the seal to atmosphere is critical, this straight-pattern manual valve is cleaned and packaged according to SC-11 specifications and comes with a black toggle handle for quick actuation.

Straight Pattern, Manual Actuation

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	Gasket with soft seat
Cleaning Process	Special Cleaning and Packaging (SC-11)
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	0.36
Flow Pattern	Straight (2-way)
Gasket	PTFE-Coated 316 SS Gasket
Handle Color	Black
Handle Style	Toggle
Maximum Temperature, °F (°C)	200 (93)
Max Temperature Pressure Rating	200°F @ 100 PSIG / 93°C @ 6.8 BAR
Minimum Temperature, °F (°C)	-20 (-28)
Room Temperature Pressure Rating	100 PSIG @ 100°F / 6.8 BAR @ 37°C
Service Class	General
Stem Tip Material	PCTFE
Stem Type	Conical
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.