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Explore the Essentials
- API 600 Gate Valves
- API 603 Gate Valves
Dual Plate Check Valves – Engineered for Excellence
Size Range
- 2” to 48” (DN 50 mm to DN 1200 mm)
Pressure Ratings
- ASME Class 150, 300, 600
- PN 10 / PN 16 / PN 25
Design Standards
- API 594
- API 6D
- ASME B16.34
- MSS SP-125
- ISO 5752
End Connection Types
- Wafer Type – Fits between flanges (ASME/EN/BS)
- Lug Type – Threaded bolt holes for flange alignment
- Custom Face-to-Face Dimensions available on request
Operation Types
- Non-Return Type (Automatically Operated)
- Optional: Spring-Assisted Closure
- Optional: Dashpot (Hydraulic Dampener)
Key Features
- Compact Wafer Body Design
- Dual Spring-Loaded Plates for Fast Closure
- Low Pressure Drop Design
- Non-Slam Operation
- Suitable for Horizontal or Vertical Installation
- Optional Metal-to-Metal Seat & Soft Seat
- Optional Disc Retainer Pinless Design
Service Parameters
- Pressure: Up to 1500 psi
- Temperature: -46°C to +425°C
- Applications:
- Oil & Gas Pipelines
- Process & Chemical Plants
- Water Treatment & Distribution
- arine & Desalination Systems
- Power & Steam Lines
Advantages
- Lightweight & Compact Construction
- Maintenance-Free Inline Design
- Quick Shutoff to Prevent Water Hammer
- High Performance in Tight Spaces
- Versatile Mounting – Horizontal or Vertical
- Cost-Effective and Reliable for Long-Term Use
| Material Type | Grades | Application Suitability |
|---|---|---|
| Carbon Steel | ASTM A216 Gr. WCB / WCC | General water, oil & gas |
| Stainless Steel | ASTM A351 Gr. CF8 / CF8M | Corrosive chemicals & seawater |
| Duplex Steel | ASTM A995 Gr. CD3MN / CE3MN | Offshore, marine & desalination |
| Bronze | ASTM B62 / B148 Gr. C95800 | Brine, marine water |
| Alloy Steel | ASTM A217 Gr. WC6 / WC9 | High temperature & steam |
| Others | Monel, Inconel, Hastelloy (on request) | Highly corrosive media |
