Swagelok SS-12NBS16 Stainless Steel Severe Service Union Bonnet Needle Valve. This straight pattern, 2-way valve features a ball stem and 1 in. Swagelok tube fitting end connections with a maximum flow coefficient (Cv) of 2.4. Needle valves with union-bonnet construction are available in a variety of materials, with working pressures up to 10000 psig (689 bar) and temperatures up to 1200°F (648°C).

Specifications

Specification	Value
Body Material	316 Stainless Steel
Cleaning Process	Standard Cleaning and Packaging (SC-10)
Connection 1 Size	1 in.
Connection 1 Type	Swagelok® Tube Fitting
Connection 2 Size	1 in.
Connection 2 Type	Swagelok® Tube Fitting
CV Maximum	2.4
Flow Pattern	Straight (2-way)
Handle Style	Aluminum Bar
Maximum Temperature, F (°C)	450 (232)
Max Temperature Pressure Rating	450°F @ 3995 PSIG / 232°C @ 275 BAR
Minimum Temperature, F (°C)	-65 (-53)
Orifice	0.437 in
Room Temperature Pressure Rating	4700 PSIG @ 100°F / 323 BAR @ 37°C
Stem Tip Material	Cobalt Based Alloy
Stem Type	Ball stem
eClass (10.1)	37010203
UNSPSC (17.1001)	40141602

Component Interchangeability

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.

System Design

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.