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All-Welded Check Valves
CW Series 
CW Series All-Welded Check Valves are designed with an internally threadless, all-welded body, supporting a maximum working pressure of 3000 psig (206 bar) and a cracking pressure of less than 2 psig (0.14 bar). The standard surface roughness is finished to Ra 20 μin. (0.51 μm), with electropolished wetted surfaces as an option. These valves are suitable for high-purity and ultra-high-purity applications.
Features
- Internally threadless and all-welded design
- Forward flow starts at less than 2 psig (0.14 bar) pressure differential
- Standard surface roughness finished to an average of Ra 20 μin. (0.5 μm) or electropolished to Ra 10 μin. (0.25 μm) optional
- Variety of end connections available
- Valve closes with less than 2 psig (0.14 bar) back pressure
Standard Cleaning and Packaging (FC-01)
Ultra High Purity (FC-03)
Special Cleaning and Packaging (FC-02)
Polishing Process ; Machine finished, Electropolished
≅ Please click the page on the side to view the data sheet for All-Welded Check Valves, CW Series.
