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Proquip dual-plate check valves: Solid lug type

Product Line
  • Dual plate check valves
Product Type
  • Check

Features & Benefits

  • Retainerless emission-free design. With no holes through the body wall, leakage to the outside is impossible.
  • Body surface with uninterrupted gasket surface.
  • Intrinsically fire safe.
  • The reduced weight of the disc minimizes slamming and water hammer.
  • The disc side hinges, eliminate the effect of gravity resulting in lower energy costs when installed in a horizontal pipeline.
  • Design maximizes the flow path area through the valve with a lower pressure drop. The internal retention method does not encroach on the gasket sealing surface.
  • Springs provide a fast-acting response to flow reversal, minimizing stress and maximizing service life.
  • Shock bumpers extended cycle life of internal components with minimal wear in severe service.
  • Extended seat life due to the clearance between the disc hinge and hinge pin which eliminates any dragging effect from the discs.
  • Velan Proquip dual plate check valves easily meet and exceed test requirements of API 598 for metal-seated check valves.
  • Retainerless design is supplied as standard
  • API 594 Face-to-face dimension
  • To suit ANSI B16.5 flanges, NPS 2-24 (DN 50-600)
  • To suit ANSI B16.47 Series A flanges, NPS 26 (DN 650) and larger
  • ASME B16.47 Series B available upon request

Product Details

Spec Detail
Size Range NPS 2-48 (DN 50-1200)
Pressure Class ASME Classes 150-2500
API 2000-5000
Standard Connections Lug

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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