Stop valve
When it comes to controlling fluid flow in pipelines, a stop valve is an essential component for both residential and industrial applications. Our high-quality stop valves are designed to provide reliable shut-off capability, ensuring safety and efficiency in various systems.
Product Specifications
Material Options:
- Brass - Excellent corrosion resistance for water applications
- Stainless Steel - Superior durability for harsh environments
- Cast Iron - Cost-effective solution for large pipe systems
- PVC - Lightweight option for chemical applications
Technical Parameters:
| Model | Size Range | Pressure Rating | Temperature Range | Connection Type |
|---|---|---|---|---|
| SV-100 | 1/2" to 2" | 150 PSI | -20°F to 180°F | NPT Threaded |
| SV-200 | 1" to 4" | 300 PSI | -40°F to 250°F | Flanged |
| SV-300 | 3" to 8" | 600 PSI | -60°F to 350°F | Wafer Style |
Stop Valve Features
- Precision-engineered for leak-proof performance
- Smooth operation with minimal torque requirement
- Corrosion-resistant materials for long service life
- Compliant with international standards (ISO, ANSI, DIN)
- Available in multiple actuation options (manual, pneumatic, electric)
Stop Valve Applications
Our stop valves are widely used in:
- Water distribution systems
- HVAC installations
- Industrial process piping
- Fire protection systems
- Oil and gas pipelines
Stop Valve FAQ
What is the difference between a stop valve and a gate valve?
A stop valve is specifically designed for on/off control, featuring a positive shut-off mechanism that completely stops flow when closed. Gate valves are primarily used for isolation and may allow some leakage when closed. Stop valves typically have a faster response time and better sealing capabilities compared to gate valves.
How often should stop valves be maintained?
Stop valves should be inspected annually for proper operation. Maintenance frequency depends on usage conditions: for continuous service applications, lubrication of the stem and packing should be performed every 6 months. In harsh environments or with aggressive media, more frequent inspection may be necessary to ensure optimal performance.
Can a stop valve be installed in any orientation?
Most stop valves can be installed in any orientation, but for optimal performance we recommend installing them with the stem vertical or horizontal. Avoid installing the valve with the stem pointing downward as this position may trap debris in the bonnet area. Always consult the manufacturer's installation guidelines for specific recommendations regarding your stop valve model.
Installation Guidelines
- Ensure the pipeline is clean and free from debris before installation
- Match the valve material with the pipeline material to prevent galvanic corrosion
- Install with sufficient clearance for operation and maintenance
- Use appropriate gaskets or thread sealant as required
- Support the pipeline properly to avoid stress on the valve body
Advantages of Our Stop Valves
- Factory tested to ensure zero leakage
- Replaceable seat and stem for easy maintenance
- Low operating torque reduces wear on components
- Extended service life through premium material selection
- Quick response time for emergency shut-off situations
Stop Valve Selection Guide
Consider these factors when selecting a stop valve:
- Media type (water, gas, chemicals, etc.)
- Operating pressure and temperature range
- Flow rate requirements
- Connection type and size
- Environmental conditions
- Frequency of operation
Our comprehensive range of stop valves offers solutions for virtually any application. With superior craftsmanship and rigorous quality control, our stop valves deliver reliable performance year after year. Contact our technical team for assistance in selecting the perfect stop valve for your specific requirements.