HPN Valve

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Valves for various NPP applications

The installation and maintenance of the Green File valves are simple and efficient.

  • More than 10'000 solenoid valves in operation since 1994
  • No reported malfunction in 200'000 valve-years of continuous energized operation
  • All Green File solenoid valves are of modular flanged design, mounted on base plates/manifolds which allow for quick disconnection

Seitz provides spare parts, replacement solenoids and maintenance services for all Green File valves.

Technical data

HPN Valve

Qualifications

Safety class1E
Seismic categoryI
Qualified lifetime *25 years
Qualification and design basesIEC 60068-2-6; IEC 60068-2-30; IEEE
323-1974; IEEE 382-2006
-1975/1987 IEEE 344-1975

* Maintenance cycle: up to 12 years, depending on use and ambient conditions

Harsh environment

DBE-conditions181 °C (358 °F)
Pressure peak2×10⁶ rad

Specification

Operating systemDirect or pilot operated with system media or auxiliary fluid
Function2/2-way, 3/2-way, 5/2-way, and others NC or NO (where applicable); redundant valve block combinations
FluidAir/Nitrogen
Nominal diameter10 to 16 mm (0.4 to 0.63 in)
Flow coefficient Kv (Cv)2.3 to 4.5 (2.7 to 5.23)
Response timeMax. 50 ms
Ambient temperatureNormal operation: max. 55 °C (131 °F) Extreme operation: max. 90 °C (194 °F) for 8h
Pressure range2 to 32 bar (29 to 464 psig)
LeakageMax. 0.12 Nl/h (2 scc/min)
Connection typeThread-connection or flange
WeightFrom 0.2 to approx. 8 kg (0.44 to 17.6 lbs)
MaterialBody: Aluminum Ti-anodized (Stainless Steel on request) Elastomers: FKM

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Further information

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Factsheet

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