Check Valves
Dual Plate Check Valve
Compact wafer design with spring-loaded plates.
- Size
- DN50-DN1200 (2"-48")
- Pressure
- Class 150-600 / PN10-PN100
- Temperature
- -10°C to +400°C
- Material
- WCB, CF8M, LCB
- Connection
- Wafer, Lug
- Standard
- API 594
For an accurate proposal, include size, pressure class, material, end connection, medium, temperature, quantity and any project specification.
Product overview
Design intent and service scope
Piston check valve with spring-loaded piston disc. Provides silent operation and quick closure.
Key design features
- Compact wafer design
- Lightweight
- Spring-assisted closing
- Water hammer prevention
Technical data
Product specifications
| Size | DN50-DN1200 (2"-48") |
|---|---|
| Pressure | Class 150-600 / PN10-PN100 |
| Temperature | -10°C to +400°C |
| Material | WCB, CF8M, LCB |
| Connection | Wafer, Lug |
| Standard | API 594 |
| Body | A216 WCB / A351 CF8M |
| Plates | A182 F316 / F51 |
| Spring | Inconel / SS316 |
| Seat | Metal, Rubber, PTFE |
| Actuator | None (Self-operating) |
Service fit
Typical applications
Referenced standards and requirements
Standards shown here are product design references, not a claim that every size, material or configuration is covered by a certificate. Confirm the applicable edition and approval scope during quotation.
Available project documentation
Project-specific submissions can include a data sheet, general arrangement drawing, bill of materials, inspection and test plan, material certificates and test records when specified and agreed in the order.
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