462 Dual Plate Iron Check Valve
Ensure reliable unidirectional flow in demanding environments with the 462 Dual Plate Iron Check Valve, engineered for superior performance in water, oil, and gas applications. Featuring stainless steel discs and a durable NBR seat, this valve delivers exceptional corrosion resistance and leak-free operation, making it ideal for aggressive media and high-pressure systems.
Key Features:
- Stainless Steel Discs: High-grade stainless steel resists corrosion, rust, and pitting in harsh or chemically active fluids.
- NBR Seat Reliability: Nitrile seats provide excellent resistance to oils, fuels, and hydrocarbons, ensuring long-term sealing integrity.
- Wafer-Style Design: Compact, flangeless body installs seamlessly between ANSI B16.1/16.5 flanges, reducing installation time and space by 50%.
- 150# WOG Versatility: Rated for 150 PSI across water, oil, and gas systems, adaptable to mixed-media pipelines.
- Instant Shutoff: Spring-assisted dual discs snap shut to prevent water hammer and backflow, protecting pump systems.
Technical Specifications:
- Body Material: Cast Iron
- Disc Material: Stainless Steel
- Seat Material: NBR (Nitrile Butadiene Rubber)
- End Connection: Wafer-Style (ANSI Compliant)
- Pressure Class: 150# WOG
- Temperature Range: -20°F to 250°F (-29°C to 121°C)*
Ideal Applications:
- Chemical processing and petrochemical plants
- Oil and gas refineries
- Wastewater treatment facilities
- HVAC and industrial cooling systems
- Fuel storage and transfer pipelines
Why Choose This Valve?
The 462 Dual Plate Check Valve combines rugged construction with advanced materials for extreme environments. Stainless steel discs withstand corrosive fluids and abrasive particles, while the NBR seat ensures reliable sealing in hydrocarbon-heavy systems. Its wafer design eliminates the need for additional bolting, cutting installation costs and time. A top choice for engineers prioritizing durability, efficiency, and compliance.
Temperature range based on NBR seat limitations. Confirm media compatibility for specific fluids and conditions.
Dimension, Weight
| Size | ΦA [in] | ΦE [in] | B [in] | GR [in] | F [in] | Weight [lb] |
|---|---|---|---|---|---|---|
| 2” | 4.02 | 2.56 | 1.69 | 1.13 | 0.75 | 4 |
| 2-½” | 4.76 | 3.15 | 1.81 | 1.42 | 0.79 | 5 |
| 3” | 5.24 | 3.70 | 2.52 | 1.71 | 1.10 | 8 |
| 4” | 6.73 | 4.61 | 2.52 | 0.23 | 1.06 | 11 |
| 5” | 7.60 | 5.71 | 2.76 | 2.59 | 1.18 | 16 |
| 6” | 8.62 | 6.69 | 2.99 | 3.09 | 1.22 | 21 |
| 8” | 10.87 | 8.82 | 3.50 | 4.11 | 1.30 | 35 |
| 10” | 13.27 | 10.43 | 4.49 | 5.00 | 1.97 | 61 |
| 12” | 15.98 | 12.20 | 4.49 | 5.83 | 1.69 | 116 |
| Pressure Rating | Temperature Rating |
|---|---|
| 150# WOG | 180 °F max. temp. |
Material
| Item | Part | Material | Specification |
|---|---|---|---|
| 1 | Body | Cast Iron | A126-B |
| 2 | Disc (plate) | Stainless Steel | ASTM A276 S30400 |
| 3 | Spring | Stainless steel | ASTM A313 S31600 |
| 4 | Hinge pin | Stainless steel | ASTM A276 S30400 |
| 5 | Stop pin | Stainless steel | ASTM A276 S30400 |
| 6 | Plug | Steel | |
| 7 | Body washer | PTFE | PTFE |
| 8 | Spring washer | PTFE | PTFE |
| 9 | Eye bolt1 | Steel | ASTM A307-A |
| 10 | Seat | NBR |
1 Only on 6”-12”