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Stainless Steel Switching Bellows Sealed Valve, 1/4 in. Swagelok VCO O-ring Face Seal Fitting with Female Nut, NC Actuator

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Body Material 316 Stainless Steel
Connection 1 Size 1/4 in.
Connection 1 Type Face Seal (O-Ring) W/Female Nut
Body Type Straight
Cleaning Process Special Cleaning and Packaging (SC-11)
Connection 2 Size 1/4 in.
Connection 2 Type Face Seal (O-Ring) W/Female Nut
Connection 3 Size 1/4 in.
Connection 3 Type Face Seal (O-Ring) W/Female Nut
Surface Finish Standard
Actuator Model 1 Series
Actuator Operation Mode Normally Closed Spring Return
Actuator Type Pneumatic
Bellows Material 321 Stainless Steel
Body Seal Gasket with metal seat
Flow Pattern Straight (3-way)
Gasket PTFE-Coated 316 SS Gasket
Max Temperature Pressure Rating 200°F @ 150 PSIG /93°C @ 10.3 BAR
Room Temperature Pressure Rating 150 PSIG @ 100°F /10.3 BAR @ 37°C
Series BY Series
Service Class General
Stem Tip Material Fluorocarbon FKM
Stem Type Switching
Testing Helium leak testing according to SCS-00020
eClass (4.1) 37010201
eClass (6.0) 37010201
UNSPSC (11.0501) 40141609
UNSPSC (4.03) 40141600

Safe Product Selection:

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 valve components with those of other manufacturers.

User Part Information For Part Number: SS-4BY-V68-1C

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