A metallic industrial valve with a blue handwheel and bolted bonnet, labeled "NUCLEAR" in the bottom right corner, isolated on a white background.

Cast Steel Bellows Seal Bolted Bonnet Globe Valves for Nuclear

Product Line

Cast steel gate, globe, and check valves

Product Type

Globe

Features & Benefits

Available for nuclear class 1, 2, and 3 and safety related applications.

Design features

Long cycle life bellows (3000 cycles) in Gr. 321 (stainless), or lnconel.
Bolted body-bonnet joints for fast serviceability. Fully enclosed spiral wound Gr. 316 (stainless) graphite gaskets.
Non-rotating stem prevents torsion of bellows.
Two-secondary stem seals:
a) Back seat in open position.
b) Graphite packing.
Bellows monitoring port (optional). A plug can be connected to the space above the bellows to monitor performance.
Seat and disc hardfaced with Stellite 6, ground and lapped.

Product Details

Spec	Detail
Size Range	NPS 2 - 8 (DN 50 - 200)
Pressure Class	ASME classes 150-600
Standard Connections	Flanged or Butt weld

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.

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