

Swagelok SS-43ZFS2 1-piece 40 series 5-way switching ball valve features 316 stainless steel construction, 0.07 Cv, and 1/8 in. female Swagelok tube fittings. Rated for 2500 PSIG.

Swagelok SS-43ZFS2 is a 1-piece 40 series ball valve designed for multi-port switching in liquid flow control systems. Constructed from 316 stainless steel, this 5-way valve features a 0.07 flow coefficient (Cv) and 1/8 inch female Swagelok tube fitting connections across all ports. The valve is equipped with a black lever handle and PTFE packing, ensuring reliable performance in general service applications with a pressure rating of 2500 PSIG at 100°F (172 BAR at 37°C).

| Specification | Detail |
|---|---|
| Ball/Stem Material | Stainless Steel |
| Body Material | 316 Stainless Steel |
| Cleaning Process | Standard Cleaning and Packaging (SC-10) |
| Flow Pattern | 5-Way, Switching |
| CV Maximum | 0.07 |
| Orifice | 0.062 in (1.6 mm) |
| Packing Material | PTFE |
| Handle Style | Black Lever |
| Low Emissions Certified | Yes |
| Testing | According to WS-22 |
This switching valve utilizes four peripheral connections and a common port to manage flow distribution. All connections are 1/8 in. Female Swagelok tube fittings, providing consistent and secure integration into instrumentation systems.
Safety First
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 Swagelok products with components from other manufacturers that are not governed by industrial design standards.
The 40 series 1-piece instrumentation ball valves have been a reliable industry standard for decades. Swagelok continues to evolve the design, offering options for various actuators, flow paths, and handles, including inline packing adjustments to maintain seal integrity over time.
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