NTDC
Pressure-tight valve
NTDC - End manual pressure-tight closure for hermetic separation of round sections. Resistant to seismic events and radiation, high pressure and high flow velocities. Can be used as a manual hermetic seal for liquids and liquids.
Properties
•Dimensions acc. to customers specification and availability of flanges as per EN 1092-1 (round design with round blade section only)
•Made of stainless steel, carbon steel painted, or combination
•Welded construction with axial movement of the blade
•Screw-shifted, maintenance free design
•Used non-metalic materials has minimal content of halogen particles (Halogen-free)
•Manual design only
•Tested to 25 m/s
•Seismic resistant
•Casing tightness and closed-blade tightness (in both directions) 10 l/h.m2 (closed blade leakage value is relation to pressure load)
•Pressure difference 10 kPa (inner pressure against surrounding)
•Radiation resistance min. 10 kGy
•Dekontaminable
•Guaranteed life duration 40 years (under keeping the prescribed producers conditions)
Specifications
End manual pressure-tight closure for hermetic separation of round sections. Resistant to seismic events and radiation, high pressure and high flow velocities. Can be used as a manual hermetic seal for liquids and liquids.