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316L Stainless Steel High Purity Bellows Sealed Valve, 1/4 in. Swagelok Tube Fitting, NO Actuator, 1/8-27 NPT Inlet

Part #: SS-BNS4-2O

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Overview

Straight Pattern

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

Attribute Value
Actuator Model 1/8-27 NPT Inlet Port (BN Series)
Actuator Operation Mode Normally Open Spring Return
Actuator Type Pneumatic
Bellows Material 321 Stainless Steel
Body Material 316L Stainless Steel
Body Seal None
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 0.3
Flow Pattern Straight (2-way)
Gasket None
Maximum Temperature, °F (°C) 200 (93)
Max Temperature Pressure Rating 200°F @ 400 PSIG /93°C @ 27.5 BAR
Minimum Temperature, °F (°C) -40 (-40)
Room Temperature Pressure Rating 400 PSIG @ 100°F /27.5 BAR @ 37°C
Service Class General
Stem Tip Material PCTFE
Stem Type Conical
Surface Finish Ra 20 µin
Testing Helium leak testing according to SCS-00020
eClass (4.1) 37010201
eClass (5.1.4) 37010201
eClass (6.0) 37010201
eClass (6.1) 37010201
UNSPSC (4.03) 40141600
UNSPSC (10.0) 40141609
UNSPSC (11.0501) 40141609
UNSPSC (13.0601) 40141609
UNSPSC (15.1) 40141609
UNSPSC (17.1001) 40141600
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Drawings
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3D

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Sales Drawing

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