Check valves

Process Control Equipment stocks a range of Hoke® CVH series check valve fluid control components, see the full list of features and specifications below:

Features and specifications

• Fitting size: 1/8” to 1” (6mm to 25mm)
• Body material: 316 stainless steel, Monel® R-405, Hastelloy® C-276.*
• Crack pressure range: 0.5 to 20 psig (0.035 to 1.379 bar) ± 10%
• Operating pressure range: 0 to 6000 psig (414 bar).
• Cv factor: 0.32 to 7.4.
• Temperature range:  -65 °F to +550 °F (-54 °C to +288 °C).**
• Leakage external: zero.
• Internal: soft seat.
• Life cycles: in excess of 100,000 cycles.
• Rapid response.
• Resilient o-ring seat provides cushioned, noise-free closing and zero leakage.
• Floating o-ring design: o-ring is continually cleaned so contaminants do not prevent sealing.
• Various materials of construction can be used with any liquid or gas service.
• Various end connections can be assembled in any system or application.
• Spring-loaded poppet can be mounted in any orientation.
• Full flow with minimal restriction for maximum Cv rates.
• Virtually maintenance-free for maximum dependability.
• Special High Tolerance NPT Thread.

*Consult PCE for other materials

** Limited to +400° F (204° C) for ¾” / 12 mm sizes and higher.