Go to content
A detailed image of a large industrial valve with the brand name "Velan" imprinted on its body. The valve has a metallic finish and features visible components like a wheel, bolts, and a cylindrical structure on top.

Double housing containment isolation valves for nuclear reactors

Product Line
  • Velan SAS nuclear valves
Product Type
  • Gate

Features & Benefits

  • Gate valve with cast or forged body
  • Parallel slide disc or flexible wedge type.
  • Double shell welded to the valve body and the reactor containment.
  • Bolted bonnet type for higher reliability and easier maintenance.
  • Seating faces are hardfaced with CoCr alloy or cobalt-free.
  • Reinforced body/bonnet/yoke superstructure for superior seismic resistance.
  • Hardfaced back seat protects the stem packing in the fully open position.
  • Sizing to meet electric actuators switch off failure and prevent the valve integrity in case of failure of actuators torque switches.
  • Packing and gaskets in certified ”PMUC” Nuclear-grade materials with low halogen and chloride contents for superior corrosion resistance.
  • Electrical or pneumatic actuators.

Product Details

Spec Detail
Size Range NPS 3 - 24 (DN 50 – 600)
Pressure Class Up to Class 1500
Standard Connections Contact Velan
Body Material contact Velan

Quality That Lasts

Precision Engineered

Our products, crafted with cutting-edge precision, set the industry standard for quality, reliability, and versatility across an expansive range of applications.

Long-Lasting & Durable

Velan leverages advanced engineering capabilities and innovation to create durable valves that meet critical industrial needs in the areas of nuclear power, mining, oil and gas, and more.

Certified & Tested

Innovation is our DNA. From our first steam trap to advanced cutting-edge valve designs, we are committed to providing solutions that define the highest standards of quality and performance.

Contact Us

Reach Out

Need support or have a question? The Velan team is here to help.

"*" indicates required fields

First Name*
Last Name*
Consent*