Kirloskar dual plate Check valve
Kirloskar Dual Plate Check Valve (DPCV): The Ultimate Water Hammer Solution
Reverse flow and high pressure surges (water hammer) are leading causes of costly pump damage, pipe ruptures, and structural stress in fluid distribution networks. The Kirloskar Dual Plate Check Valve (DPCV) is engineered to instantly shut off flow before reversal occurs, securing critical piping networks across municipal, industrial, and power infrastructure.
Designed strictly in compliance with API: 594 and tested to API: 598 standards, Kirloskar dual-plate check valves provide a compact, lightweight, and energy-efficient alternative to traditional swing or lift non-return valves.
Key Features & Design Advantages
- Superior Anti-Slam Mechanism: High-torsion stainless steel or Inconel springs assist dynamic closure prior to flow reversal, effectively eliminating water hammer and pressure surges.
- Innovative Lift-Off Hinge Design: Strategic clearance between the hinge pin and disc allows the disc assembly to lift off the body seat prior to rotation, completely preventing heel dragging and seat wear.
- Compact & Lightweight Structure: Requires significantly less face-to-face space and support than conventional non-return valves, minimizing overall piping footprints and installation expenses.
- Lapped Seating Interfaces: Precision-finished, lapped body and disc seats ensure drop-tight shutoff that meets or exceeds API 598 requirements.
- Independent Plate Suspension (500NB & Above): Distributes weight directly to the valve body in both horizontal and vertical installations, prolonging valve life.
Technical Specifications & Range
|
Parameter |
Specification Details |
|
Design Standard |
API: 594 |
|
Testing & Inspection |
API: 598 |
|
Pressure Ratings |
ASME Class 125, Class 150, Class 300 |
|
Size Range |
DN 50 mm to DN 2600 mm (2" to 104") |
|
Body Material Options |
Cast Iron (FG 260), SGI (Ductile Iron), Cast Steel (WCB), Stainless Steel (CF8/CF8M) |
|
Seating Options |
Soft Seated (NBR / EPDM) or Metal Seated (SS410 Weld Deposited / SS304 / SS316) |
|
End Connections |
Wafer, Flanged (IS: 1538, BS EN 1092-2, ANSI B16.1/16.5/16.47) |
|
Operating Temperature |
Up to 45°C → 45 degrees Celsius (Standard raw/potable water with turbidity up to 5000 ppm) |
Industry Applications
- Water Infrastructure: Pumping mainlines, clear water transmission, lift irrigation schemes, and municipal water supply boards.
- Power Generation: Thermal power cooling water networks, chilled water circuits, and auxiliary pumping loops.
- Process & Chemical Industries: Onshore and offshore oil & gas lines, metallurgical processes, and industrial effluent transport.
- Commercial Systems: High-rise building HVAC, fire protection mains, and raw water intake units.
