Merit Brass
Stainless Steel Swing Check Valve Threaded Full Port
- SKU:
- VSC102
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
Stainless Steel Swing Check Valve Threaded Full Port
Stainless Steel Threaded Full Port Swing Check Valves are designed to help prevent reverse flow in compatible piping systems while maintaining a full-flow passage through the valve body. The swing-check design opens automatically with forward flow and closes when flow reverses, helping protect downstream equipment and piping.
This valve is identified as designed to ASME B16.34, tested to API 598, and rated for 200 PSI working pressure at 350°F. Country of origin is Taiwan.
Product Highlights
- Stainless steel swing check valve
- Threaded end connections
- Full-port flow path
- Automatic non-return operation
- Designed to help prevent reverse flow
- ASME B16.34 design
- API 598 testing
- 200 PSI working pressure at 350°F
- Suitable for compatible commercial, mechanical, and industrial piping systems
- Country of origin: Taiwan
- Manufacturer VSC102 cut sheet available
Swing Check Valve Operation
A swing check valve uses an internal hinged disc that opens when fluid moves in the intended flow direction. When forward flow slows or reverses, the disc swings back toward the seat to help stop reverse flow.
This automatic operation does not require a manual handle or actuator, making the valve useful for systems where backflow prevention is needed without operator input.
The full-port configuration helps maintain a larger internal flow area through the valve than reduced-port designs.
Technical Specifications
| Product Type | Swing Check Valve |
|---|---|
| Body Material | Stainless Steel |
| Connection Type | Threaded |
| Port Style | Full Port |
| Valve Function | Automatic Reverse-Flow Prevention |
| Design Standard | ASME B16.34 |
| Testing Standard | API 598 |
| Working Pressure | 200 PSI at 350°F |
| Operation | Flow Actuated |
| Country of Origin | Taiwan |
| Manufacturer Reference | VSC102 |
Why Choose a Swing Check Valve?
Automatic Backflow Prevention
- Operates automatically with system flow
- Allows forward flow
- Helps stop reverse flow
- No manual valve operation required
- Useful for protecting pumps, equipment, and piping
Full-Port Flow Path
- Larger internal flow passage
- Helps minimize flow restriction
- Helps reduce pressure drop through the valve
- Useful where maintaining flow capacity is important
- Suitable for compatible piping systems
Standards & Testing
ASME B16.34 Design
- Valve design identified to ASME B16.34
- Applicable to pressure-containing valve construction
- Provides a recognized valve design framework
- Review manufacturer documentation for full compliance details
- Use within published service limits
API 598 Testing
- Valve testing identified to API 598
- Applicable to valve inspection and pressure testing
- Supports verification of valve pressure integrity
- Manufacturer cut sheet provides product-specific information
- Confirm project requirements before installation
200 PSI at 350°F Rating
The supplied product information identifies this valve with a 200 PSI working pressure rating at 350°F.
Actual service suitability depends on valve size, system media, temperature, pressure conditions, and manufacturer limitations. Review the VSC102 cut sheet before specifying the valve for a particular application.
Swing Check vs. Ball Valve
Swing Check Valve
- Operates automatically with flow
- Designed to prevent reverse flow
- No manual handle required
- Uses an internal swinging disc
- Primarily used as a non-return valve
Ball Valve
- Manually or automatically actuated
- Designed primarily for shutoff and isolation
- Uses a rotating ball
- Does not automatically function as a check valve
- Different purpose from a swing check valve
Common Applications
Commercial & Mechanical Piping
- Water piping systems
- Equipment discharge lines
- Pump discharge piping
- Utility piping
- General backflow-prevention service
Industrial Service
- Process piping systems
- Equipment protection
- Flow-control assemblies
- Compatible liquid-service applications
- Applications requiring stainless steel construction
Installation & Selection Guidance
- Confirm the required nominal valve size before ordering.
- Verify threaded connection compatibility with the mating piping.
- Install the valve in the correct flow direction.
- Confirm that the swing-disc orientation is appropriate for the installation position.
- Verify that the 200 PSI at 350°F rating is suitable for the intended service.
- Confirm media compatibility with the stainless steel valve construction and internal components.
- Use an appropriate thread sealant for the system media, pressure, and temperature.
- Apply thread sealant according to the sealant manufacturer's instructions.
- Use appropriate wrenching surfaces during installation.
- Avoid excessive installation torque that could damage the valve body or piping.
- Confirm pressure and temperature requirements before installation.
- Installation should comply with applicable piping codes and project specifications.
Important Ordering Notes
- Product is a stainless steel threaded full-port swing check valve.
- Designed to help prevent reverse flow.
- ASME B16.34 design.
- API 598 testing.
- 200 PSI working pressure at 350°F.
- Automatic flow-actuated operation.
- Country of origin: Taiwan.
- Confirm nominal valve size before ordering.
- Verify threaded connection compatibility with the mating piping.
- Confirm required flow direction and installation orientation.
- Confirm pressure, temperature, and media compatibility before use.
- Refer to the VSC102 manufacturer cut sheet for additional specifications and dimensions.
Product Documents
Frequently Asked Questions
What is a swing check valve used for?
A swing check valve allows flow in the intended direction and automatically closes to help prevent reverse flow.
What type of connections does this valve use?
The supplied product information identifies this as a threaded swing check valve.
What does full port mean?
A full-port valve has a larger internal flow opening designed to help minimize restriction and pressure loss through the valve.
What is the working pressure rating?
The supplied product information identifies the valve as rated for 200 PSI working pressure at 350°F.
What design standard does this valve use?
The supplied product information identifies the valve design as ASME B16.34.
What testing standard applies?
The supplied product information identifies API 598 as the testing standard.
Does a swing check valve require manual operation?
No. A swing check valve operates automatically in response to system flow direction.
Is this valve stainless steel?
Yes. The supplied product information identifies this as a stainless steel swing check valve.
Where is this valve manufactured?
The supplied product information identifies the country of origin as Taiwan.
Where can I find additional specifications?
Use the VSC102 Cut Sheet in the Product Documents section above.

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