A metallic industrial valve with hexagonal inlet and outlet ports, labeled "VELAN 600," featuring bolts on top. The word "NUCLEAR" appears in a blue banner at the bottom right.

Cast Steel Swing Check Valves for Nuclear Applicatons

Product Line

Cast steel gate, globe and check valves

Product Type

Check

Features & Benefits

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

Design features

Body and cover castings are precision machined. Exclusive: Disc shaft does not penetrate body.
Body and cover joint accurately machined. Fully-enclosed gasket.
Disc: Robust one-piece construction to withstand the severe shock of check valve service. Hardfaced with 13Cr, CoCr alloy, SS 316, or Monel, ground and lapped to a mirror finish. Sizes NPS 2–6 (DN 50–150) may have solid CA 15 (13Cr) disc. SS 316 disc with CoCr alloy facing also available.
Disc assembly: Non-rotating disc is fastened securely to disc hanger with a lock nut and cotter pin. Disc hanger is supported on a sturdy disc carrier hinge pin of excellent bearing qualities. All parts are accessible from top for easy servicing.
Flanges
ASME Classes 150–300: 1⁄16” raised face.
ASME Classes 600–1500: ¼” raised face.
Finish: 125–250 AARH for all valves.

Product Details

Spec	Detail
Size Range	NPS 2–48 (DN 50–1200)
Pressure Class	ASME Classes 150-1500
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.

The Velan Library