Proquip Dual-Plate Check Valve (Lug Type) – High-Performance API 594 Valves

As a leading Velan Valve Supplier, Distributor, and Stockist, we provide premium Proquip Dual-Plate Check Valves engineered for emission-free, fire-safe, and high-efficiency performance in critical applications.

Key Features & Benefits

• Retainerless, Emission-Free Design – No body wall holes ensure zero external leakage, ideal for hazardous environments.
• Uninterrupted Gasket Surface – Superior sealing integrity for API 594 compliance.
• Intrinsically Fire Safe – Meets stringent safety standards for oil & gas, petrochemical, and power plants.
• Reduced Disc Weight – Minimizes slamming & water hammer, protecting pipeline systems.
• Gravity-Independent Hinges – Lower energy costs in horizontal pipelines with optimized flow dynamics.
• Maximized Flow Path – Low-pressure drop design enhances efficiency without compromising gasket sealing.
• Fast-Acting Spring Mechanism – Rapid response to flow reversal, reducing stress and extending service life.
• Shock Bumpers – Extends cycle life in severe service with minimal wear.
• Extended Seat Life – Hinge clearance prevents disc dragging, ensuring long-term reliability.
• Exceeds API 598 Testing – Metal-seated for superior durability in high-pressure/temperature applications.

Technical Specifications

✔ Standard Retainerless Design ✔ API 594 Face-to-Face Dimensions ✔ ANSI B16.5 Flanges – NPS 2-24 (DN 50-600) ✔ ANSI B16.47 Series A Flanges – NPS 26 (DN 650) & larger ✔ ASME B16.47 Series B available upon request