Proquip Dual-Plate Check Valve: Lug Type – Velan

 

Product Details
Spec Detail
Size Range NPS 2-60 (DN 50-1500)
Pressure Class ASME classes 150-2500
Standard Connections Wafer
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Proquip Dual-Plate Check Valve (Wafer Type) – High-Performance API 594 Valves

Supplier | Distributor | Stockist – Trusted Velan Valve Solutions

Key Features & Benefits

  • Retainerless, Emission-Free Design – No body wall holes ensure zero external leakage, ideal for critical applications.
  • Uninterrupted Gasket Surface – Superior sealing integrity for ANSI B16.5 & B16.47 flanges.
  • Intrinsically Fire Safe – Reliable performance under extreme conditions.
  • Reduced Disc Weight – Minimizes slamming & water hammer, protecting pipelines.
  • Disc Side Hinges – Eliminates gravity effects, lowering energy costs in horizontal installations.
  • Maximized Flow Path – Lower pressure drop with no gasket surface encroachment.
  • Fast-Acting Spring Mechanism – Rapid response to flow reversal, reducing stress and extending service life.
  • Shock Bumpers – Enhance cycle life in severe service with minimal wear.
  • Extended Seat Life – Hinge clearance prevents disc dragging, ensuring durability.

Certifications & Compliance

✔ Exceeds API 598 test requirements for metal-seated check valves.
✔ API 594 Face-to-Face Dimensions – Guaranteed compatibility.
✔ Flange Standards:

  • ANSI B16.5: NPS 2-24 (DN 50-600)

  • ANSI B16.47 Series A: NPS 26+ (DN 650+)

  • ASME B16.47 Series B (upon request).

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